Full Stack Application Engineer Jobs

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. POSITION OVERVIEW Position: Senior Web Application Penetration Tester Job Type: Full-time Location: Remote Clearance Requirements: Must be able to obtain a Secret Clearance Travel Requirements: Up to 10% Experience: 5+ years Salary :$125-$165K WHAT YOU'LL DO We are seeking a skilled and motivated Senior Web Application Penetration Tester to join our growing cyber operations team. The ideal candidate will possess deep expertise in web application security testing, vulnerability research, and exploitation techniques, with the ability to identify complex attack paths and develop creative solutions to challenging security problems. This role goes far beyond automated scanning. Successful candidates will conduct in-depth assessments of web applications, APIs, mobile applications, and supporting infrastructure while leveraging custom tooling, manual testing techniques, and advanced exploitation methodologies to uncover impactful security findings. KEY RESPONSIBILITIES Web Application Security Assessments Conduct penetration testing of web applications, APIs, mobile applications, databases, and client-side technologies. Perform application enumeration, endpoint discovery, vulnerability research, and exploitation activities. Identify, validate, and assess vulnerabilities across complex environments. Analyze attack paths and security weaknesses to determine business and operational impact. Technical Analysis & Research Develop and utilize custom tools, scripts, and payloads to support testing activities. Perform network mapping, vulnerability analysis, and security assessments across applicatio

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Palantir's defense product vertical builds mission-critical products for the modern warfighter. We provide a complete ecosystem where customers can securely integrate and visualize their data, and build sophisticated, full-fledged programs such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models. Our customers use our defense offering to perform rich analyses that drive core operations within their organizations - these programs are relied upon for daily operations in the command centers and battlefronts of militaries across the world. This is a frontend engineering role focused on application development for our defense product offering, where you will be responsible for crafting the applications that organizations use every day to keep their countries safe. You will be architecting and developing interfaces to make sophisticated, data-intensive workflows both powerful and approachable, including to non-technical users. You may spend one day talking to users to better understand their needs and identifying product gaps to improve. The next day, you might find yourself putting that customer context to use and brainstorming how to handle intricate UX needs with your teammates. You’ll regularly face sophisticated technical problems, requiring you to scope out the solution design and finding an incremental path to shipping the new features. As part of this, you will own APIs and schemas that power your frontend code, and work with backend engineers in developing them together. You’ll be constantly exploring new horizons and building new skills in service of real world needs: between type theor

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Palantir's defense product vertical builds mission-critical products for the modern warfighter. We provide a complete ecosystem where customers can securely integrate and visualize their data, and build sophisticated, full-fledged programs such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models. Our customers use our defense offering to perform rich analyses that drive core operations within their organizations - these programs are relied upon for daily operations in the command centers and battlefronts of militaries across the world. This is a frontend engineering role focused on application development for our defense product offering, where you will be responsible for crafting the applications that organizations use every day to keep their countries safe. You will be architecting and developing interfaces to make sophisticated, data-intensive workflows both powerful and approachable, including to non-technical users. You may spend one day talking to users to better understand their needs and identifying product gaps to improve. The next day, you might find yourself putting that customer context to use and brainstorming how to handle intricate UX needs with your teammates. You’ll regularly face sophisticated technical problems, requiring you to scope out the solution design and finding an incremental path to shipping the new features. As part of this, you will own APIs and schemas that power your frontend code, and work with backend engineers in developing them together. You’ll be constantly exploring new horizons and building new skills in service of real world needs: between type theor

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. Smartsheet is seeking an experienced enterprise account executive to join our enterprise team, driving revenue from Asia’s largest organisations. The ideal candidate will have a history of driving complex enterprise sales cycles, multi threading and senior stakeholder engagement. This is Smartsheet’s most senior frontline sales role in the Asia region and a history of performing with large enterprise accounts is a must. This position is a 12 month fixed term contract, based in Sydney and reports to the Director for Asia Sales. This role has a team go to market approach and has a designated enterprise sales rep driving account activity plus designated solution engineer and customer success manager assisting with account engagement and solution designs. You Will: Strategically engage senior customer stakeholders with a current Smartsheet footprint and drive additional revenue through new solution upsells. Land and expand with new Logos for Smartsheet by selling our full suite of products and services Grow account footprint and revenue to an ultimate goal of a full enterprise wide contract agreement. Pipeline generation and end-to-end sales cycle management with companies above 5000 employee size using the MEDDICC sales framework. Utilise multithreading and consistent lead outreach, as appropriate, within both new logos and existing customers to drive business growth Conduct consultative and cross-functional discovery calls and act as a Consultant to the Customer to identify their needs and align customer

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Palantir's defense product vertical builds mission-critical products for the modern warfighter. We provide a complete ecosystem where customers can securely integrate and visualize their data, and build sophisticated, full-fledged programs such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models. Our customers use our defense offering to perform rich analyses that drive core operations within their organizations - these programs are relied upon for daily operations in the command centers and battlefronts of militaries across the world. This is a frontend engineering role focused on application development for our defense product offering, where you will be responsible for crafting the applications that organizations use every day to keep their countries safe. You will be architecting and developing interfaces to make sophisticated, data-intensive workflows both powerful and approachable, including to non-technical users. You may spend one day talking to users to better understand their needs and identifying product gaps to improve. The next day, you might find yourself putting that customer context to use and brainstorming how to handle intricate UX needs with your teammates. You’ll regularly face sophisticated technical problems, requiring you to scope out the solution design and finding an incremental path to shipping the new features. As part of this, you will own APIs and schemas that power your frontend code, and work with backend engineers in developing them together. You’ll be constantly exploring new horizons and building new skills in service of real world needs: between type theor

About The Sales Team MongoDB is always developing and innovating — not only in our technology, but also in our sales go-to-market strategy. Our sales leadership is committed to building the best salesforce in technology. This means, inspiring and enabling success for everyone on the team. We not only equip you to be successful and close deals, but we want your feedback and input on how we can continue to “ Think Big and Go Far .” As a crucial part of the Sales team at MongoDB, you will have access to a lucrative market and learn how to sell from some of the most successful sales leaders in the software industry. The Role As an Enterprise Account Executive, Acquisition you will play a pivotal role in driving the growth and success of MongoDB. You will be responsible for identifying and pursuing new business opportunities, cultivating relationships with key stakeholders, and ensuring the successful adoption of our solutions. We are looking to speak to candidates who are based in Mexico City for our hybrid working model. What You’ll Be Doing Prospect into CTOs, Engineering/IT leaders, and technical end usersIdentify net-new customers through outbound prospecting Manage the full sales cycle for all MongoDB Products & ServicesDevelop and execute a strategic territory plan to achieve revenue targetsBuild a sales pipeline in Salesforce and Clari while maximizing prospecting tools such as Sales Navigator, ZoomInfo, Sendoso, and OutreachCollaborate with the sales ecosystem to drive sales initiatives and partnerships What You’ll Bring To The Role 3+ years of full-cycle sales experience, with an emphasis on closing new customersDemonstrated success with cold calling and creative pipeline generation strategiesA proven track record of overachievement and hitting sales targetsAbility to articulate the business value of complex enterprise technologyFluent in English Things We Love Passionate about growing your career in the largest market in software (database)Previ

As a Customer Success Associate, you will focus on the long term strategic relationship with our customers, drive adoption, and identify growth opportunities across a high volume of Datadog customers to ensure successful product use and retention. You’ll be an advocate for the customer internally and focus on providing a positive experience for a high volume of accounts. Associates follow a well-defined methodology to identify the customer’s unique needs and clearly convey the value of the Datadog product. As we scale our Customer Success team, furthering personal development and team success is a top priority. At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them What You’ll Do: Identify target opportunities, manage the full sales cycle and proactively build strategic relationships with customers and focus on retention. Manage requests from your book of business such as but not limited to technical support escalations, billing questions, documentation/enablement requests to ensure a positive customer experience Pivot account management strategy based on different customer requirements and needs seamlessly and efficiently Act as an advisor to customers to ensure they’re leveraging the solution effectively Monitor and identify usage trends to uncover renewal risks and support greater adoption rates Collaborate cross-functionally with internal Datadog teams (support, product, finance, and legal) Who You Are: Customer-minded, always trying to provide the most value possible Driven and motivated by a career in sales with a strong desire to grow a career in Customer Success. A strong communicator (written and verbal) with excellent attention to detail Experienced in independently negotiating contract terms and overcoming pricing objections for up-sell/cross

#Team Nextdoor Nextdoor (NYSE: NXDR) is the essential neighborhood network. Neighbors, public agencies, and businesses use Nextdoor to connect around local information that matters in more than 350,000 neighborhoods across 11 countries. Nextdoor builds innovative technology to foster local community, share important news, and create neighborhood connections at scale. Download the app and join the neighborhood at nextdoor.com . Meet Your Future Neighbors At Nextdoor, machine learning is one of the most important teams we are growing. Machine learning is starting to transform our product through personalization, driving major impact across different parts of our platform including newsfeed, notifications, ads relevance, connections, search, and trust. Our machine learning team is lean but hungry to drive even more impact and make Nextdoor the neighborhood hub for local exchange. We believe that ML will be an integral part of making Nextdoor valuable to our members. We also believe that ML should be ethical and encourage healthy habits and interaction, not addictive behavior. We are looking for great engineers who believe in the power of the local community to empower our members to make their communities great places to live. At Nextdoor, we operate in an AI-first environment and expect every team member to actively use AI tools as part of their workflow. We aren't looking for prompt engineers; we’re looking for people who use tools like Claude, Gemini, ChatGPT, and Glean to challenge their own thinking and take full ownership of AI-assisted outputs. We also offer a warm and inclusive work environment that embraces a hybrid employment model, blending an in office presence and work from home experience for our valued employees. The hiring team will go over these expectations with you if you are being considered for a role near one of our offices in San Francisco, Los Angeles, Chicago, Dallas, New York, and London. The Impact You’ll Make You will be part of

Zoox is seeking an impactful and visionary Head of Executive Recruiting to architect and scale our in-house executive search capabilities. Operating as a strategic player-coach and trusted advisor to leadership, you will engineer the executive recruiting strategy and infrastructure, personally lead high-impact Director+ searches, and manage a dedicated team to deliver our most mission-critical hiring needs. In this role, you will... Leadership: Design and scale a world-class executive search function, including managing/coaching a small team, development of internal executive research capabilities and long-term succession planning. End-to-End Recruitment: Own and drive the entire executive recruitment lifecycle, from initial strategy meeting to candidate offer and closing, ensuring a seamless and high-touch experience for all executive candidates. Hands-on Executive Search: While leading the function and team, remain actively involved in the full-cycle execution of high-priority, mission-critical searches, personally driving candidate generation, engagement, and closing for select senior-level roles. Market Mapping & Sourcing: Develop sophisticated, data-driven market maps of executive talent in relevant industries (e.g., autonomous technology, automotive, software, hardware engineering, operations, finance). Candidate Engagement: Articulate the Zoox mission, vision, and unique culture compellingly to high-profile executive candidates, often involving complex compensation, negotiation, and relocation strategies. Confidentiality & Discretion: Handle extremely sensitive and confidential candidate information and internal organizational details with the utmost professionalism and discretion. Partnering with Leadership: Serve as a tru

#Team Nextdoor Nextdoor (NYSE: NXDR) is the essential neighborhood network. Neighbors, public agencies, and businesses use Nextdoor to connect around local information that matters in more than 350,000 neighborhoods across 11 countries. Nextdoor builds innovative technology to foster local community, share important news, and create neighborhood connections at scale. Download the app and join the neighborhood at nextdoor.com . Meet Your Future Neighbors As a Senior or Staff Software Engineer at Nextdoor, you’ll join a focused team of developers, product managers, and designers who are passionate about using technology to cultivate a kinder world where everyone has a neighbor they can rely on. We are a small, high performing team of engineers that wear multiple hats and prioritize impact for our customers. We care about moving fast and delivering impact, without compromising on quality and reliability as guided by our Engineering Principles . You will have the opportunity to learn from your co-workers and teach them. As a team, we will make each other better and build great software. At Nextdoor, we operate in an AI-first environment and expect every team member to actively use AI tools as part of their workflow. We aren't looking for prompt engineers; we’re looking for people who use tools like Claude, Gemini, ChatGPT, and Glean to challenge their own thinking and take full ownership of AI-assisted outputs. We also offer a warm and inclusive work environment that embraces a hybrid employment model, blending an in office presence and work from home experience for our valued employees. The hiring team will go over these expectations with you if you are being considered for a role near one of our offices in San Francisco, Los Angeles, Chicago, Dallas, New York, and London. The Impact You’ll Make We believe in empowering our teams to own all aspects of bringing Nextdoor to life. As such, you’ll get the opportunity to make key contributions across our enginee

Since 2011, General Assembly (GA) has transformed tens of thousands of careers through pioneering, experiential education in today’s most in-demand skills. As featured in The Economist, Wired, and The New York Times, GA offers training in web development, data, design, marketing, and more, both online and at campuses across multiple countries. Our global professional community boasts more than 95,000 full- and part-time alumni — and counting. In addition to fostering career growth for individuals, GA helps employers cultivate top diverse tech talent and spur innovation by transforming their teams through strategic learning. More than 21,000 employees at elite companies worldwide have honed their digital fluency with our corporate training programs. GA has also been recognized as one of Deloitte’s Technology Fast 500, and Fast Company has dubbed us leaders in World-Changing Ideas as well as the #1 Most Innovative Company in Education. Our Software Engineering Immersive course is a life-changing educational experience where our students learn the skills and mindsets to take on new careers as web developers. We are looking for a lead instructor with strong JavaScript experience to play a key role on our growing instructional team. This role is a full-time, temporary position that includes a start and end date for this cohort. There may be potential to receive an additional assignment offering, but additional assignments are not guaranteed. Why teach our Software Engineering Immersive? If you are looking to make a life-changing impact by sharing your love for software development with the next generation of developers, we’d love for you to consider joining our team. We deliver more than just skills training, and are looking for teachers who share our vision for a community of lifelong learners pursuing work that they love. As a full-time teacher for our flagship full-time Software Engineering program, you will join us to: Work closely with an instruct

Upwork Inc.’s (Nasdaq: UPWK) family of companies connects businesses with global, AI-enabled talent across every contingent work type including freelance, fractional, and payrolled. This portfolio includes the Upwork Marketplace, which connects businesses with on-demand access to highly skilled talent across the globe, and Lifted, which provides a purpose-built solution for enterprise organizations to source, contract, manage, and pay talent across the full spectrum of contingent work. From Fortune 100 enterprises to entrepreneurs, businesses rely on Upwork Inc. to find and hire expert talent, leverage AI-powered work solutions, and drive business transformation. With access to professionals spanning more than 10,000 skills across AI & machine learning, software development, sales & marketing, customer support, finance & accounting, and more, the Upwork family of companies enables businesses of all sizes to scale, innovate, and transform their workforces for the age of AI and beyond. Since its founding, Upwork Inc. has facilitated more than $30 billion in total transactions and services as it fulfills its purpose to create opportunity in every era of work. Learn more about the Upwork Marketplace at Upwork.com and follow us on LinkedIn , Facebook , Instagram , TikTok , and X ; and learn more about Lifted at Go-Lifted and follow on LinkedIn . Interested in joining our Talent Community? Perhaps, the right role for you is just around the corner. Feel free to submit your resume and we'll keep your resume ready for the right role. Upwork has various exciting roles as our company continues to grow. If you didn't find a role currently open that fit your skill set, then please feel free to join our talent community. The Upwork Talent Community, will hold your resume and contact you as soon as a role opens that may fit your specific skills and career goals. Come change how the world works. At Upwork, you’ll shape the future of work for a global, remote-

About Stitch Fix, Inc. Stitch Fix (NASDAQ: SFIX) Stitch Fix is redefining retail by combining human creativity with advanced data science and Generative AI. As we build the future of personalized shopping, we’re equally committed to building yours. We believe in investing in our team as much as our technology. Join us to be a trendsetter in the industry and help us redefine what’s possible for our clients, while we help you reach your full potential. NOT SEEING AN OPEN JOB THAT MATCHES YOUR SKILLS AND EXPERIENCE? JOIN THE TALENT COMMUNITY TO STAY UP TO DATE ON FUTURE OPPORTUNITIES! At Stitch Fix, we’re passionate about people and know that finding a career that’s right for you can take time and patience. That’s why we built this styling talent community – to support you in “finding a career that looks good on you." This community is designed to keep you in the loop via regular newsletters regarding all things Stitch Fix, including business updates, employee testimonials, and so much more! As part of the talent community, you'll be the first to be notified when we have styling openings in your area. To join the community, tell us a little about yourself by answering a few questions below. We hope you're just as excited to learn more about our amazing culture as we are to share it with you! We're currently not hiring stylists in Alaska, California, Colorado, Connecticut, Hawaii, Illinois, Maine, Massachusetts, Montana, Nevada, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont, Washington, and all Non-State US Territories. This link leads to the machine readable files that are made available in response to the federal Transparency in Coverage Rule and includes negotiated service rates and out-of-network allowed amounts between health plans and healthcare providers. The machine-readable files are formatted to allow researchers, regulators, and application developers to more easily access and analyze data. Please review Stitch Fix's US Applicant Pri

Since 2011, General Assembly (GA) has transformed tens of thousands of careers through pioneering, experiential education in today’s most in-demand skills. As featured in The Economist, Wired, and The New York Times, GA offers training in web development, data, design, marketing, and more, both online and at campuses across multiple countries. Our global professional community boasts more than 95,000 full- and part-time alumni — and counting. In addition to fostering career growth for individuals, GA helps employers cultivate top diverse tech talent and spur innovation by transforming their teams through strategic learning. More than 21,000 employees at elite companies worldwide have honed their digital fluency with our corporate training programs. GA has also been recognized as one of Deloitte’s Technology Fast 500, and Fast Company has dubbed us leaders in World-Changing Ideas as well as the #1 Most Innovative Company in Education. Our Software Engineering Immersive course is a life-changing educational experience where our students learn the skills and mindsets to take on new careers as web developers. We are looking for a lead instructor with strong JavaScript experience to play a key role on our growing instructional team. This role is a full-time, temporary position that includes a start and end date for this cohort. There may be potential to receive an additional assignment offering, but additional assignments are not guaranteed. Why teach our Software Engineering Immersive? If you are looking to make a life-changing impact by sharing your love for software development with the next generation of developers, we’d love for you to consider joining our team. We deliver more than just skills training, and are looking for teachers who share our vision for a community of lifelong learners pursuing work that they love. As a full-time teacher for our flagship full-time Software Engineering program, you will join us to: Work closely with an instruct

Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75 (more about our culture here). Our journey: Founded in 2017 by Alexandre and Steve, Qonto has grown to 1,600+ Qontoers serving over 600,000+ customers across 8 European countries. We have been profitable since 2023, and we are just getting started. Our beliefs: We hire for skills and potential. With 80+ nationalities, 45% women, of which 56% of women in our leadership team, diversity isn't a program; It's who we are. We've built a discrimination-free hiring process because the best teams are built on merit. AI at Qonto: AI is deeply embedded in how we work (here) - Every Qontoer gets unlimited access to the best AI tools. We want people who experiment without waiting for permission, push AI beyond the obvious, know when to trust it, and when to question it. ------------------------------------------------------------------------------------------------------ Join us as an Account Executive Accounting to help newly onboarded Qonto clients get their accounting right from day one. You'll be part of a strategic new positioning of Qonto, owning the full sales cycle yourself from first call to signed contract. Astrid Liska, our Sales Lead Accounting, will guide and mentor you closely every step of the way. ➡️ What you'll do Engage clients right when it matters: You'll reach out to newly onboarded business creators within days of account creation and guide them to the right offer. Stay on it when others give up: You’ll stay proactive with accounts that go quiet, following up thoughtfully and creating more opportunities to keep the conversation going. Use a soft-selling approach: You'll diagnose each client's accounting