Jobs in United States

Senior Software Development Engineer L3 in United States

2,103 active opportunities · Updated October 2026

Explore current senior software development engineer l3 jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

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📍 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
📍 Georgia, Oregon, United States· Full-time
✓ High-confidence listingCompany trend -75%

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
📍 United States· Full-time
✓ Quality checkedCompany trend -96%

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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📍 United States· Full-time
✓ Quality checkedCompany trend -96%

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 People Business Partner at SoFi, you will serve as a strategic advisor and advocate for both the business and our employees. In this pivotal role, you will partner with Financial Services and Borrow/Operations Engineering leadership to drive influence and solve complex organizational challenges with scalable, high-impact solutions. What you’ll do: Partner with leaders to advise and influence the creation of measurable, actionable strategic plans. Act as an objective resource and champion for the Engineering team and broader employee population. Manage complex employee relations with discretion, providing executive coaching and facilitating constructive feedback loops. Leverage deep HR expertise to lead initiatives in org design, compensation, performance management, D&I, and employee development. Drive data-informed decision-making using people analytics and organizational health metrics. Execute strong judgment and discretion to ensure positive, professional outcomes. Champion the company culture by embodying and promoting "The SoFi Way." Cultivate robust, collaborative relationships with key stakeholders across the organization. Collaborate with People Team Centers of Excellence (CoEs) to execute strategic initiatives and support business goals. What you’ll need: 6+ years as an H

S
📍 United States· Full-time
✓ Quality checkedCompany trend -96%

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: SoFi Technologies Inc. is seeking a skilled and experienced Senior Staff Credit Risk Analyst to join our dynamic team. As a key contributor, you will play a crucial role in the development and execution of industry best Credit Risk Management. The incumbent will improve comprehensive risk management capabilities for a rapidly growing bank holding company – ensuring robust defensive and offensive analytical capabilities – The contributor will play an essential role in fostering regulatory readiness and maturing a strong effective challenge second-line function across Credit Risk. The Credit Risk Oversight (2LOD) Senior Staff Credit Risk Analyst role is critical to success across SoFi Technologies, Inc., SoFi Bank, NA, and operating subsidiaries. The incumbent will contribute to the second-line oversight of credit risk across al

PythonSQLRestAI
SF
📍 United States· Full-time· Remote
✓ High-confidence listingCompany trend -100%

From $200K/yr

Quick readStrong listing-quality and freshness signals

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. About the Role At Stitch Fix, we are at the forefront of innovation, creating cutting-edge solutions that blend fashion, technology, and data science. Our data science team combines machine learning with expert human judgment to generate innovative recommendations and insights that transform the way our clients discover what they love. We believe in a curiosity-driven data science culture where members are empowered to deliver impact through end-to-end model development. The diversity of the problems that we work on and the data-rich environment of our business make it possible, even essential, to bring the tools of multiple disciplines to bear on our hardest problems. We are looking for an experienced Styling Algorithms Team Manager to lead a group of talented machine learning engineers and data scientists. In this role, you will shape the future of fashion technology by driving the development and deployment of our styling algorithms, which empower our human stylists to delight clients by nailing their fit and style. This includes ML-, AI-, and product-driven feature curation and testing for our proprietary styling platform, as well as client-facing AI personalization experiences, such as Stitch Fix Vision, our virtual try-on. Responsibilities: Champion bold AI and ML interventions to improve our styling experiences, enabling our stylists to have a multiplicative impact on their client connection points. Likewise, actively shape the product roadmap for direct client-facing styling experiences, expand

PythonRestMachine LearningAI
S
📍 United States· Full-time
✓ Quality checkedCompany trend -96%

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 Compensation Analyst, you will play a key role in shaping SoFi Technologies’ global compensation strategy and programs to attract, retain, and motivate top talent globally. This role will lead our global job architecture, compensation structures, market benchmarking, and broad-based compensation modeling. You will use expert knowledge, market data, trends, technology, and financial analysis to develop compensation frameworks that are competitive, scalable, and aligned with our compensation philosophy. You will be responsible for developing our annual cash and equity guidelines, modeling program budgets, and partnering with Finance on monthly stock-based compensation forecasting and analysis. You will also support the executive compensation function, working closely with the Executive Compensation Lead on Compensation Committee materials, executive compensation programs, and related disclosures. What you’ll do: Broad-Based Strategy & Execution Lead global compensation benchmarking, market pricing, and the development of compensation structures, including base salary ranges, target bonuses, and long-term incentive guidelines. Own and enhance SoFi’s global job architecture, including job families, career levels, job profiles, and related compensation frameworks. Lead job architecture

R
📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $263.7K/yr

Quick readStrong listing-quality and freshness signals

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. WHY DATA SCIENCE & ANALYTICS? The Data Science & Analytics organization's mission is to increase our speed, frequency, and acumen of making decisions at scale by instilling a data-influenced approach to building products. We cover a wide area of the data spectrum including analytical data engineering, product analytics, experimentation, causal inference, statistical modeling, and machine learning. Aligned and partnering with product verticals, we use this extensive toolbelt to discover new opportunities and unmet use cases, influence and shape the product roadmap and prioritization, build data products, and measure impact on our community of players and creators. WHY CREATOR PLATFORM? At Roblox, the Creator Platform team is responsible for the systems that determine how creators build, publish, earn, and thrive on the platform. As a Senior Data Scientist, you will be the primary strategic data partner across some of the most business-critical and safety-sensitive areas in the creator ecosystem — including creator reputation, publish gating, anti-abuse, rewards, data foundations, and AI enablement. This is a high-ownership, high-autonomy role. You will work across trust & safety,

PythonSQLAWSGit
R
📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $251.1K/yr

Quick readStrong listing-quality and freshness signals

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Cloud Security Engineer, you will define and implement the security strategy and controls across our hybrid and multi-cloud environment. Embedded within the Platform Security team, you will operate with a high degree of autonomy, partnering closely with Infosec and Infrastructure teams to secure our cloud infrastructure. Your architectural decisions will directly impact the security of a global platform. You Will: Create Paved Roads: Build innovative services and tooling that make the secure path the easiest path, enabling developers to deploy faster and safer. Engineer Self-Healing Infrastructure: Architect and scale systems that monitor our cloud posture and automatically enforce a self-healing security baseline. Design Secure-by-Default Blueprints: Partner deeply with infrastructure teams to bake threat modeling and secure-by-default patterns into the core DNA of our cloud environments. Implement Effective Guardrails: Deploy organizational security controls that protect our developers without slowing them down. Advance Detections: Write and optimize detections tailored specifically to our footprint. You Have: 4+ years: of relevant professional experience. Experience writing a

PythonAWSKubernetesGit
R
📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $176.5K/yr

Quick readStrong listing-quality and freshness signals

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Roblox is building the future of human connection through play. As a Senior Growth Marketing Manager, you will play a critical role in scaling Roblox's global growth engine, helping millions of users discover, engage with, and return to Roblox. This role sits at the intersection of marketing, product, data science, and engineering. You will lead high-impact growth initiatives spanning user acquisition, lifecycle marketing, personalization, creator growth, and product-led growth. You will be responsible for identifying new growth opportunities, designing and executing experiments, influencing product strategy, and scaling programs that drive measurable business impact. This is a highly cross-functional role for someone who combines analytical rigor, strong growth instincts, operational excellence, and the ability to influence across teams. You will report to Sr Manager, Growth Marketing. You will: Own and Scale Growth Programs Lead end-to-end growth initiatives across user acquisition, reactivation, paid influencer, and product-led growth programs. Manage and optimize multimillion-dollar marketing investments across ad platforms including but not limited to Google, YouTube, Meta, TikTok, App

ReactSQLAWSGit
R
📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $263.7K/yr

Quick readStrong listing-quality and freshness signals

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. WHY DATA SCIENCE & ANALYTICS? The Data Science & Analytics organization's mission is to increase our speed, frequency and acumen of making decisions at scale by instilling a data-influenced approach to building products. We cover a wide area of the data spectrum including analytical data engineering, product analytics, experimentation, causal inference, statistical modeling and machine learning. Aligned and partnering with product groups, we use this vast tool belt to discover new opportunities and unmet use cases, influence and shape the product roadmap and prioritization, build data products and measure the impact on our community of players and developers. WHY CONSUMER FRONTEND? Consumer Frontend’s team mission is to deliver the frontend architecture, components, libraries, navigation patterns, and core UI necessary for a high-quality, performant, intuitive, and observable consumer user experience for gaming and all future use cases. One of the focus areas is UX Excellence through Standardization, where the goal is to maintain a comprehensive library of high-quality components and navigation patterns that ensure a consistent and intuitive experience across all consumer surfaces.

PythonSQLAWSGit
R
📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $345K/yr

Quick readStrong listing-quality and freshness signals

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The mission of the search and discovery team is to connect a billion users with the best connections and content at the right time, covering an extremely diverse range of recommendations and search problems at high scale. This is fundamental to how we personalize the experience to drive engagement and retention for Roblox users. Our recommendation systems suggest all games that the users see and play with across all surfaces. As a Senior Engineering Manager for the Search & Discovery ML team, you will lead the architects of exploration for one of the world's largest immersive platforms. You will be responsible for the core algorithms that connect over 120 million daily active users with millions of 3D experiences, items, and social connections. This is a high-impact leadership role where your team’s models directly determine the growth, retention, and satisfaction of the Roblox community. You will move beyond traditional recommendation systems into the realm of multimodal, agentic, and generative discovery . You Will: Lead and grow a high-performing team of machine learning engineers, fostering a culture of ownership, collaboration, and engineering excellence. Establish a lo

AWSGitMachine LearningAI
R
📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $221.4K/yr

Quick readStrong listing-quality and freshness signals

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. WHY DATA SCIENCE & ANALYTICS? The Data Science & Analytics organization’s mission is to increase our speed, frequency and acumen of making decisions at scale by instilling a data-influenced approach to building products. We cover a wide area of the data spectrum including analytical data engineering, product analytics, experimentation, causal inference, statistical modeling and machine learning. Aligned and partnering with product verticals, we use this extensive toolbelt to discover new opportunities and unmet use cases, influence and shape the product roadmap and prioritization, build data products and measure impact on our community of players and creators. WHY CREATOR SERVICES? At Roblox, the Creator Services team enables unbounded creation through reliable core services and novel AI applications. As a Senior Data Scientist focused on Machine Intelligence , you will bridge the gap between high-tier engineering infrastructure and cutting-edge ML applications. You will be the primary strategic partner to product and engineering leadership, transforming unstructured data into actionable business insights and user-facing products. This is a "zero-to-one" environment. You will be tas

AWSGitMachine LearningAI
R
📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $174.1K/yr

Quick readStrong listing-quality and freshness signals

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Child Safety Intelligence Analyst on Roblox’s Safety Intelligence Team, you will be on the front lines protecting the platform’s youngest and most vulnerable users. This is a proactive intelligence role focused on identifying, tracking, and disrupting systemic threats to minors, to include child sexual exploitation and abuse (CSAE), grooming behaviors, peer-to-peer harassment, financial minor extortion (sextortion) and bad-actor networks trying to exploit platform features to victimize minors. You will blend quantitative and qualitative data, open-source intelligence (OSINT), behavioral analysis, and deep knowledge of online culture to uncover adversarial trends before they impact the platform ecosystem, and provide your analysis to teams across Roblox and company leadership. Your insights will directly shape automated detection logic, product safety features, and platform policy. Psychological Wellness Note: This role involves exposure to highly sensitive and potentially disturbing themes regarding the exploitation of minors. Roblox offers resources to support employees handling this challenging work. This role is based in San Mateo, CA and requires employees

PythonSQLAWSGit
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