Jobs in United States

Senior Security Engineer Appsec in United States

2,092 active opportunities · Updated October 2026

Explore current senior security engineer appsec jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

F
📍 San Francisco, California, United States· Full-time
✓ High-confidence listingCompany trend -87.3%

From $183K/yr

Quick readStrong listing-quality and freshness signals

About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. The Opportunity The Autonomous Freight Systems team is a brand new, AI-first engineering team in San Francisco, building Flexport's client-facing rates platform and self-serve freight booking experience from the ground up. We own two of the highest-leverage surfaces in the Client App: how clients see pricing and how they book freight without manual intervention. As a Senior Engineer, you will own significant technical domains end-to-end, not just features, but whole problem spaces. You will drive the engineering of systems that power rate visibility, pricing intelligence, and AI-assisted booking across ocean, air, and trucking. You don't wait to be told what to build next; you identify the highest-leverage problems, propose solutions, and see them through to production. You will be a technical force multiplier on the team: raising the bar on code quality, helping junior engineers grow, and shipping with a velocity and confidence that comes from deep ownership. This is a ground-floor opportunity to build the platform that moves Flexport from an assisted-sales model to a tech-run one for the long tail of our client base—turning the complexity of global trade into a s

JavaReactAWSGit
F
📍 Illinois, Texas, United States· Full-time
✓ High-confidence listingCompany trend -87.3%

From $105K/yr

Quick readStrong listing-quality and freshness signals

About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. The opportunity Flexport operates at the intersection of global trade, technology, and policy — which means the stories we tell matter. We're looking for a Senior Manager, PR & Communications to drive forward how Flexport shows up in the world: in the press, on our blog, across social channels, in customer inboxes, and inside the company. This is a high-visibility, high-trust role. You'll work directly with our CEO & Founder and members of the leadership team to shape Flexport's narrative and ensure we're part of the conversations that matter — from supply chain disruptions and trade policy shifts to AI innovation and the future of logistics. You'll also be the person who makes sure our customers and employees hear from us clearly, consistently, and at the right moments. This role requires someone who can toggle between crafting a pitch to a Tier 1 reporter, writing a customer email about a service change, coaching an executive before a live interview, and developing a content calendar that ties Flexport's story to the biggest themes in global commerce — all in the same week. You will Public Relations & Media Support Flexport's PR strategy end-to-end: p

F
📍 Illinois, Texas, United States· Full-time
✓ High-confidence listingCompany trend -87.3%

From $1.1M/yr

Quick readStrong listing-quality and freshness signals

About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. The Opportunity You will be a key partner to our General Managers and North America leadership across the Sales and Operations organizations. This is a role with both a strategic and a tactical edge: you’ll drive forecasting, planning, closing the books, and own the day-to-day tasks that keep the business moving. You’ll also play a key role in our AI transformation, working cross-functionally, with our accounting and data analytics teams to design and automate workflows across the enterprise. If you want to work at the cross section of global trade, technology and modern finance you belong here. You Will: Partner with Sales & Operations Leadership: Serve as the strategic finance partner to GMs and NA leadership, monitoring trends, communicating performance, and empowering operators to manage their business with clarity and confidence. Drive Business Outcomes Cross-Functionally: Operate at the intersection of strategy and execution. Translate commercial and operational questions into analysis that drives decisions, and work across teams to unblock bottlenecks and prioritize opportunities by impact. Improve & Automate: Lead process improvements beyond y

SQLGitLinuxAI
F
📍 San Francisco, California, United States· Full-time
✓ High-confidence listingCompany trend -87.3%

From $120K/yr

Quick readStrong listing-quality and freshness signals

About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. The opportunity Flexport operates at the intersection of global trade, technology, and policy — which means the stories we tell matter. We're looking for a Senior Manager, PR & Communications to drive forward how Flexport shows up in the world: in the press, on our blog, across social channels, in customer inboxes, and inside the company. This is a high-visibility, high-trust role. You'll work directly with our CEO & Founder and members of the leadership team to shape Flexport's narrative and ensure we're part of the conversations that matter — from supply chain disruptions and trade policy shifts to AI innovation and the future of logistics. You'll also be the person who makes sure our customers and employees hear from us clearly, consistently, and at the right moments. This role requires someone who can toggle between crafting a pitch to a Tier 1 reporter, writing a customer email about a service change, coaching an executive before a live interview, and developing a content calendar that ties Flexport's story to the biggest themes in global commerce — all in the same week. You will Public Relations & Media Support Flexport's PR strategy end-to-end: p

F
📍 Illinois, Texas, United States· Full-time
✓ High-confidence listingCompany trend -87.3%

From $106.5K/yr

Quick readStrong listing-quality and freshness signals

About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. Empowering our global workforce with robust HR systems to accelerate the future of trade. The opportunity: This is a critical role within our HRIS team, focusing on the core areas of US Payroll, absence, and time tracking within the Workday platform. You'll partner closely with HR Operations globally and our IT teams to ensure our systems are robust, compliant, and user-friendly. Day-to-day, you might be configuring new Workday modules, troubleshooting complex payroll issues, or driving process improvements for absence management. We're looking for someone who thrives on solving intricate problems and enjoys seeing the direct impact of their work on Flexport's global workforce. Join us in building scalable, efficient HR systems that empower our people and support our rapid growth. You will: Manage and optimize Workday configurations and processes for US Payroll, absence, and time tracking. Provide expert support and configuration across various Workday modules, including HCM, Compensation, Benefits, and Integrations. Collaborate with HR Operations, IT, and other stakeholders to gather requirements, design solutions, and resolve complex HRIS issues. Lead or actively

F
📍 New York, New York, United States· Full-time
✓ High-confidence listingCompany trend -87.3%

From $120K/yr

Quick readStrong listing-quality and freshness signals

About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. The opportunity Flexport operates at the intersection of global trade, technology, and policy — which means the stories we tell matter. We're looking for a Senior Manager, PR & Communications to drive forward how Flexport shows up in the world: in the press, on our blog, across social channels, in customer inboxes, and inside the company. This is a high-visibility, high-trust role. You'll work directly with our CEO & Founder and members of the leadership team to shape Flexport's narrative and ensure we're part of the conversations that matter — from supply chain disruptions and trade policy shifts to AI innovation and the future of logistics. You'll also be the person who makes sure our customers and employees hear from us clearly, consistently, and at the right moments. This role requires someone who can toggle between crafting a pitch to a Tier 1 reporter, writing a customer email about a service change, coaching an executive before a live interview, and developing a content calendar that ties Flexport's story to the biggest themes in global commerce — all in the same week. You will Public Relations & Media Support Flexport's PR strategy end-to-end: p

J
📍 Nashville, Tennessee, United States· Full-time
✓ High-confidence listing

From $1.7M/yr

Quick readStrong listing-quality and freshness signals

At Jamf, we believe in an open, flexible culture based on respect and trust. Our track record and thriving work environment all stem from the freedom we grant ourselves to get the job done right. We take pride in helping tens of thousands of customers around the globe succeed with Apple. The secret to our success lies in our connectivity, while operating with a high degree of flexibility. Work-life balance remains our priority while feeling connected is important to maintain our strong culture, achieve our goals, and thrive as #OneJamf. What you’ll do at Jamf: At Jamf, we empower people to be their best selves and do their best work. The Senior Enterprise New Logo Account Executive — Healthcare is an experienced enterprise hunter focused on new logo acquisition within health systems, hospital networks, and integrated delivery networks. This is a fully new logo role — your responsibility is to identify, target, and close net-new enterprise accounts (1,000+ employees) across the healthcare vertical. You'll manage the entire sales process, build relationships with C-suite and clinical leadership, navigate complex buying committees, and secure high-value logos that lay the groundwork for long-term customer partnerships. This position will work full-time in the Nashville, Tennessee area and we can only accept applications from candidates living within a commutable distance to Nashville. What you can expect to do in this role : New Logo Acquisition Build and execute a focused territory strategy to land net-new enterprise logos within the healthcare vertical — including health systems, payer organizations, life sciences, and provider networks. Develop deep healthcare expertise — clinical workflow requirements, HIPAA/HITECH compliance obligations, Epic and EHR integrations, and Apple ecosystem maturity across care settings — to sharpen pipeline targeting and Jamf's value proposition. Build a robust pipeline through outbound prospecting, collaboration with Marke

RestAIGoRust
F
📍 Atlanta, Georgia, United States
✓ Quality checkedCompany trend -87.3%

About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. Exciting Trade Advisory Opportunity to Help Make Global Trade Easy The opportunity: With revenue growing at breakneck speed, Flexport is looking for a Senior Trade Advisory Associate, Classification to join our team. In this role, you will execute and manage all classification projects with our clients and internal stakeholders. We also expect this role to support other trade advisory matters as we collectively challenge the status quo and reduce friction in global trade. You will: Help manage Flexport’s HS classification service. Work with clients and internal stakeholders to classify products under the Harmonized Tariff Schedule of the United States and similar global schedules. Take ownership and actively manage HS classification projects with our clients and internal stakeholders to ensure efficient and proper transfer of product data. Analyze, research, and assign proper HS classifications for products imported by our clients using the Harmonized Tariff System. Audit HS classifications for accuracy. Use your knowledge of Section 301 China tariffs and related exclusions. Proactively stay informed on the latest updates to CBP regulations or rulings

Supply Chain
F
📍 Atlanta, Georgia, United States
✓ Quality checkedCompany trend -87.3%

About Flexport: At Flexport, we believe global trade can move the human race forward. That’s why it’s our mission to make global commerce so easy there will be more of it. We’re shaping the future of a $10T industry with solutions powered by innovative technology and exceptional people. Today, companies of all sizes—from emerging brands to Fortune 500s—use Flexport technology to move more than $19B of merchandise across 112 countries a year. The recent global supply chain crisis has put Flexport center stage as we continue to play a pivotal role in how goods move around the world. We are proud to have the support of the best investors in the game who believe in our mission, solutions and people. Ready to tackle global challenges that impact business, society, and the environment? Come join us. Exciting Trade Advisory Opportunity to Help Make Global Trade Easy The opportunity: The global supply chain is one of the most heavily regulated industries for all parties involved. Everyone from the carriers, intermediaries, trucking companies, 3rd party logistics, freight forwarders, shippers, consignees, importers, exporters, and brokers face a challenging and complex task of navigating through a myriad of laws from the originating country, destination country as well as international treaties and conventions. The Trade Advisory team, consisting of business consultants, lawyers and licensed customs brokers, offers advanced customs and trade expertise to help clients identify supply chain risks and cost savings opportunities. We are looking for a Senior Trade Advisory Associate (Post Entry Team) to help build out our Post Entry team, who will mainly focus their day to day on managing and executing post entry filings on behalf of the Trade Advisory team. You will: Support trade advisory team with filing post entry filings, including post summary corrections and protests. Monitor liquidation statuses of post entry filings and alert internal

Supply ChainLogistics
M
📍 United States· Full-time
✓ High-confidence listingCompany trend -100%

$150K – $185K/yr

Quick readStrong listing-quality and freshness signals

At Playlist, life's richest moments happen when people step away from screens to move, connect, explore, and play. We're building the definitive platform for intentional living, connecting people with inspiring experiences in fitness, wellness, and beyond. With popular brands like Mindbody and ClassPass, Playlist empowers businesses and individuals, making it effortless for aspirations to become actions. Join us in reshaping technology's role to foster meaningful, real-world connections. Mindbody equips wellness entrepreneurs with technology to support thriving businesses and create exceptional experiences. Innovation and curiosity drive our culture, connecting businesses and individuals through cutting-edge solutions. Join us if you're passionate about enhancing wellness through technology. The Role You'll Play Own the strategy, roadmap, and governance for Mindbody's external API ecosystem — the APIs that partners, integrators, and enterprise customers build on. Treat the API as a product. Set the standards for API design, authentication and authorization, versioning, deprecation lifecycle, rate limiting, and the SLAs our partners depend on. Shape the external developer experience, including documentation, support, sandbox environments, webhooks, and onboarding, so partners can integrate quickly and confidently. Be the voice of the external developer and partner. Turn integration pain points and usage patterns into a clear point of view on the highest-ROI opportunities for the ecosystem. Collaborate closely with the Partnerships team and external partners to land strategic integrations that solve real customer pain points and drive meaningful business value. Own the go-to-market for API changes, internally and externally. Drive CX, Sales, and Account Management enablement, and communicate clearly with partners and enterprise customers, so launches, versioning, and deprecations land smoothly. Define the success metrics for the ecosystem (adoption, partner activation

M
📍 United States· Full-time
✓ High-confidence listingCompany trend -100%

From $75.2K/yr

Quick readStrong listing-quality and freshness signals

At Playlist, life's richest moments happen when people step away from screens to move, connect, explore, and play. We're building the definitive platform for intentional living, connecting people with inspiring experiences in fitness, wellness, and beyond. With popular brands like Mindbody and ClassPass, Playlist empowers businesses and individuals, making it effortless for aspirations to become actions. Join us in reshaping technology's role to foster meaningful, real-world connections. Mindbody equips wellness entrepreneurs with technology to support thriving businesses and create exceptional experiences. Innovation and curiosity drive our culture, connecting businesses and individuals through cutting-edge solutions. Join us if you're passionate about enhancing wellness through technology. About the job: We’re looking for a Sr. Copywriter to help define how we translate company-wide strategy and initiatives into compelling copy. As an integral member of the Creative and Marketing teams, the Sr. Copywriter represents our family of brands with every word, from acquisition emails to ad copy to developing overarching messaging systems. This is a hands-on position with a tremendous opportunity to shape the future of Playlist. Who you are: You can’t wait to dig into each new project. You research different ways to approach the brief, consult your AI assistants, come up with the best hooks, and craft on-brand copy that works. You have experience writing for everything from major marketing campaigns to in-product notifications to the opt-out language on a cookie pop-up. While you work, you collaborate and brainstorm with designers and other stakeholders to be sure the copy perfectly fits the placement and drives conversion. Responsibilities: Lead ideation on assigned projects, fostering creative collaboration and developing concepts and solutions that work. Craft copy across all mediums, including web, emails, ad campaigns, organic and paid social, one-pagers, pres

NR
📍 Virginia, District of Columbia, United States· Full-time
✓ High-confidence listingCompany trend -73.9%

From $248K/yr

Quick readStrong listing-quality and freshness signals

We are a global team of innovators and pioneers dedicated to shaping the future of observability. At New Relic, we build an intelligent platform that empowers companies to thrive in an AI-first world by giving them unparalleled insight into their complex systems. As we continue to expand our global footprint, we're looking for passionate people to join our mission. If you're ready to help the world's best companies optimize their digital applications, we invite you to explore a career with us! Your opportunity If you seek to bring new, disruptive ideas to the enterprise software market, it’s now time for your next big challenge! We are looking for a Public Sector Account Executive to join our extraordinary Sales team and help us expand across the Federal market. Right now, Public Sector organizations across every size and vertical are focused on improving uptime & performance to ensure high mission success, gaining greater scale & efficiency through projects like cloud adoption/migration, and accelerating time to market through speed and agility by embracing DevOps practices. With the massive market opportunity in front of us, there is not a more exciting time to join our team. What you’ll do You will have a track record of successfully managing and retaining existing Federal accounts through consultative engagements with your solutions team as well as expanding consumption of SaaS and developing a high quality pipeline of business to establish new logo acquisitions. You will navigate complex U.S. Federal organizations and sell to multiple decision-makers. Develop and manage Territory and Account Plans to expand existing accounts and win new logos to meet sales targets. Provide accurate forecasts in Salesforce and during sales meetings utilizing the MEDDPIC framework. Work with your New Relic sales team to identify sales plays, deliver product demonstrations, and participate in industry events to drive pipeline growth Engage senior government exe

GitRestAIGo
NR
📍 Georgia, Oregon, United States· Full-time
✓ High-confidence listingCompany trend -73.9%

From $106K/yr

Quick readStrong listing-quality and freshness signals

We are a global team of innovators and pioneers dedicated to shaping the future of observability. At New Relic, we build an intelligent platform that empowers companies to thrive in an AI-first world by giving them unparalleled insight into their complex systems. As we continue to expand our global footprint, we're looking for passionate people to join our mission. If you're ready to help the world's best companies optimize their digital applications, we invite you to explore a career with us! We are a dynamic, rapidly growing SaaS company revolutionizing the Observability market. We are seeking a highly motivated, intellectually curious Senior Tax Accountant to join our Finance and Accounting team. This is not a "maintenance" role. As an early, pivotal hire for our tax function, you won’t just execute processes—you will help design and build the blueprint for our tax team from the ground up. If you love solving complex puzzles, rolling up your sleeves to build new workflows, and want a seat at the table as we scale, this role is for you. What You’ll Do The Senior Tax Accountant will be a foundational pillar of the company's tax function. You will balance technical execution (compliance, ASC 740, audits) with entrepreneurial project management. Co-Build the Function: Partner with finance leadership to establish, automate, and scale our internal tax processes and strategies as the company expands globally. Project Management: Act as the primary project manager for external tax advisors, ensuring deliverables (like federal, state, and international tax returns) are accurate and on schedule. Tax Close & Provisions: Own the quarter-end and annual tax provision process (ASC 740), prepare tax journal entries, and perform flux analyses with a keen eye for detail. Audit & Notice Ownership: Project-manage responses to tax audits and notices, proactively gathering documentation and resolving inquiries efficiently. Curiosity-Driven Special Projects: Lead research and e

GitRestAIGo
S
📍 Bellevue, WA, United States· Full-time
✓ High-confidence listingCompany trend -91.7%

From $1.7M/yr

Quick readStrong listing-quality and freshness signals

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create the space for people to focus on what truly matters: judgment, creativity, and big thinking. That is magic at work, and it’s what we show up for every day. Corporate Systems Engineering builds and operates the software platforms, integrations, and automations that power Smartsheet’s core business functions across Finance, Sales/GTM, and People & Culture. Our team owns mission-critical systems and workflows that enable how the company hires, sells, bills, pays, reports, and scales. We operate at the intersection of software engineering, enterprise platforms, and business-critical data, treating internal systems with the same rigor, reliability, and product mindset as customer-facing software. The Automation team builds human-to-system and system-to-system automations that reduce manual effort and friction across the business. We combine cloud-native services, agentic AI, and workflow orchestration to enable employees to interact with enterprise systems through intelligent, secure, and auditable automation. As a Senior Software Engineer I (Automation), you will lead the design, build, and operation of systems and workflows that directly support business execution at scale. You will own complex technical initiatives, partner with Product Managers and stakeholders on technical roadmaps, and mentor junior engineers. This full-time position reports to the Sr. Director, Development and can be located in our Bellevue, WA office, or you may work remotely from anywhere in the US where Smartsheet is a registered employer. You Will: Architect AI Agents: Take a leading role in designing Agentic Workflows using AWS Step Functions and Bedrock Agents that reason

JavaScriptTypeScriptPythonJava
S
📍 United States· Full-time
✓ Quality checkedCompany trend -95.8%

Employee Applicant Privacy Notice Who we are: Shape a brighter financial future with us. Together with our members, we’re changing the way people think about and interact with personal finance. We’re a next-generation financial services company and national bank using innovative, mobile-first technology to help our millions of members reach their goals. The industry is going through an unprecedented transformation, and we’re at the forefront. We’re proud to come to work every day knowing that what we do has a direct impact on people’s lives, with our core values guiding us every step of the way. Join us to invest in yourself, your career, and the financial world. The role: As a Senior Manager on the Capital Markets team, you will bridge the gap between business lines and Capital Markets to drive new product development. You will ensure the Capital Markets team is fully positioned to support both new lending products and existing product enhancements. By leading cross-functional initiatives, you will educate potential investors on our offerings, actively manage and develop the investor pipeline, and negotiate term sheets to deliver the scalable funding solutions that fuel our growth. What you’ll do: Partner with business lines to support enhancements to existing products and drive the launch of new lending solutions. Coordinate across internal and external teams to seamlessly integrate new lending products and funding structures. Support investor education and due diligence processes, developing materials and coordinating discussions with external partners and counterparties. Gather and incorporate investor feedback into product design and future enhancements. Negotiate term sheets and maintain investor pipelines. Model product economics, analyze funding efficiency, and assess trade-offs between risk, cost, and complexity. Define requirements to support new products, ensuring infrastructure and reporting are accurate and scalable. Partner cross-functionally to valida

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