Senior Lead Java Fullstack Software Engineer Jobs

About the Role We’re looking for Senior Backend Engineers to work on both Product and Product Platform based teams. Product focused Engineers work at the intersection of product and infrastructure to solve key business problems with elegant technical solutions. You'll operate our backend services and architecture that support all product functionality and will be challenged to consider the big picture -- collaborating cross-functionally, as well as evaluating and executing on trade-offs to maximize business impact for the company. We expect Senior Engineers to be able to own projects end-to-end and mentor their junior and mid level peers. This role is hybrid with some in-office time expected and will report to an Engineering Manager. You're excited about this opportunity because you will... Develop, release and run large-scale web applications Develop and define the backend architecture and tech stack for a product area Improve performance, reliability, scalability and security for our backend systems Be involved in transitioning our monolithic codebase to a microservice-based architecture Completely disrupt logistics by tackling bleeding-edge, technical problems We're excited about you because you have... B.S., M.S., or PhD. in Computer Science or equivalent 5+ years of industry experience Prior experience working with backend tech stacks Proficiency in using AI coding tools (e.g., Claude Code, Codex, Cursor) in the full software development lifecycle, including designing, generating code, testing, monitoring and releasing software Ability to analyze and improve efficiency, scalability, and stability of various system resources Experience with service oriented architecture, writing REST API’s, unit testing, and architectural design Understanding of modern web stacks and architecture (HTTP, REST) Experience with SQL and NoSQL databases and other technologies (e.g. Postgres, Redis, Elasticsearch, RabbitMQ) About DoorDash At DoorDash, our mission to empower loca

At Render, we’re building the modern cloud platform for developers creating AI-native, full-stack, multi-service applications. Our mission is to eliminate the tradeoff between the power of hyperscalers and the simplicity of developer-friendly platforms—so teams can ship fast, scale reliably, and focus on their product, not infrastructure. Unlike complex hyperscalers or ephemeral edge/serverless solutions, Render offers a developer-first experience with persistent compute, dynamic autoscaling, built-in orchestration, and observability, allowing teams to launch, scale, and manage real-world applications without writing infrastructure code or managing servers. Whether you're building LLM-powered applications, scalable SaaS products, or async processing pipelines, Render empowers teams to move fast and scale confidently from MVP to millions of users. Our platform is trusted by over 7 million developers worldwide and continues to grow rapidly. In February 2026, we raised an additional $100M in Series C financing, bringing our total funding to $260M, to accelerate our vision of making cloud infrastructure both powerful and intuitive—designed for the speed of modern AI development. We’re a diverse and talented team that values craft, velocity, and user experience. If you’re excited to help shape the future of the intelligent cloud and empower developers everywhere, we’d love to hear from you. Applying to Render We're seeking candidates who possess high integrity, humility, and an insatiable drive to learn. Through reasoned discussions and continuous feedback, we strive to improve both individually and collectively. We foster an environment of mutual trust and respect, empowering effective debate to achieve the best outcomes for our customers and team. We especially encourage members of underrepresented groups in the tech community to apply and understand that not all successful candidates will meet each requirement listed. Our interview process is unique to each role, and

Multiverse is the upskilling platform for AI and Tech adoption. We have partnered with 1,500+ companies to deliver a new kind of learning that's transforming today’s workforce. Our upskilling apprenticeships are designed for people of any age and career stage to build critical AI, data, and tech skills. Our learners have driven $2bn+ ROI for their employers, using the skills they’ve learned to improve productivity and measurable performance. In April 2026, we announced $70 million in strategic funding, led by Schroders Capital, with participation from StepStone Group, Lightspeed Venture Partners and General Catalyst. At an increased valuation of $2.1bn, the round makes us Europe’s first EdTech double unicorn. But we aren’t stopping there. With a strong operational footprint and 800+ employees, we have ambitious plans to continue scaling. We’re building a world where tech skills unlock people’s potential and output. Join Multiverse and power our mission to equip the workforce to win in the AI era. The role: As a Talent team, we always prioritise quality - you’ll hold the hiring bar whilst building strong pipeline velocity when there’s commercial pressure to move fast and handling the ambiguity of a scaling organisation solving complex problems. In your role as Senior Talent Partner, you’ll act as a genuine advisor to stakeholders, and own end-to-end recruitment processes. You’ll show up prepared, with deep market intelligence for your function and use it to shape recruiting strategy before you’re asked. You’ll use hiring data to show where the process is working and where it isn’t. You use AI to power your productivity, and focus your time on what AI can’t do: building strong, agile stakeholder relationships, giving candidates an exceptional experience and building connections. Teams you’ll support: Operations - this is our learner-facing org who work day-in-day-out to give our apprentices a great learning experience and provide measurable value to our customers; and

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: The Analytics Infrastructure team’s mission is to enable universal data-informed decision-making at Airbnb. We achieve this by providing an integrated suite of analytics frameworks, services and applications. We’re infrastructure and full stack engineers with a human focus: customer-centric, quality driven, helpful and empathetic. As a backend / fullstack software engineer on the Analytics Products team (which is part of Analytics Infrastructure) you will have the opportunity to build data tools which enable data practitioners to efficiently explore and analyze data to create insights. The team manages data products used by 7,000 monthly active users, including our in-house build AI for Data product, BI product ( Apache Superset ) and Notebooks and their integrations within the Data Platform tooling, like Airbnb’s in-house build Metric system which enables metric consistency at scale. The Difference You Will Make: Shape up the future of AI powered Data Analytics at Airbnb. By working on improvements to our AI agent for Data, researching industry best practices and AI advancements, you will get to shape up and drive how our internal users get value from data. Collaborate with other data platform teams to build integrations of our data tools with Airbnb's data platform’s ecosystem, like the metric infrastructure which enables metric consistency at scale, data management platform which enables data discovery and data management, data warehouse infrastructure and services, and more. Continue to hold high quality bar for our data tools, to ensure high stability and reli

🚀 About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI. Founded in 2020 with office hubs in San Francisco, New York City, Austin, Chicago, Seattle, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. 📐 About the role WRITER is looking for a senior lifecycle marketing manager to own how we engage, nurture, and grow our audiences across the customer journey. You'll own our email and lifecycle marketing program end to end, from strategy and audience development through hands-on execution, measurement, and optimization. At the heart of the role is a simple goal: getting the right message to the right person at the right time. This is both a strategic and highly hands-on role. You'll define our lifecycle strategy and then get into HubSpot to build it: creating emails, audiences, workflows, nurture programs, triggered journeys, tests, and reporting. You'll use behavioral, account, intent, and engagement signals to understand where people are in their journey and create experiences that become more relevant and personalized over time. You'll also help define what lifecycle marketing looks like in an AI-first world, exploring how AI can change the way we build audiences, personaliz

About the Team DoorDash is building the world's most reliable on-demand, logistics engine for delivery! We're looking for experienced engineers to join our fast-growing engineering team to help us develop a 24x7, global infrastructure system that powers DoorDash’s three-sided marketplace of consumers, merchants, and dashers. About the Role We’re looking for Senior Backend Engineers to work on both Product and Product Platform based teams. Product focused Engineers work at the intersection of product and infrastructure to solve key business problems with elegant technical solutions. You'll operate our backend services and architecture that support all product functionality and will be challenged to consider the big picture -- collaborating cross-functionally, as well as evaluating and executing on trade-offs to maximize business impact for the company. We expect Senior Engineers to be able to own projects end-to-end and mentor their junior and mid level peers. This role is hybrid with some in-office time expected and will report to an Engineering Manager. You're excited about this opportunity because you will... Develop, release and run large-scale web applications Develop and define the backend architecture and tech stack for a product area Improve performance, reliability, scalability and security for our backend systems Be involved in transitioning our monolithic codebase to a microservice-based architecture Completely disrupt logistics by tackling bleeding-edge, technical problems We're excited about you because you have... B.S., M.S., or PhD. in Computer Science or equivalent 5+ years of industry experience Prior experience working with backend tech stacks Proficiency in using AI coding tools (e.g., Claude Code, Codex, Cursor) in the full software development lifecycle, including designing, generating code, testing, monitoring and releasing software Ability to analyze and improve efficiency, scalability, and stability of various system resources Expe

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: As a Sr. Facilities Operations Technician at SpaceXSI, you'll dive in, operating and maintaining the critical facility systems that power our supercomputing data centers. Working hands-on with MEP systems, you’ll tackle maintenance, operations, and repairs, ensuring peak performance and reliability. Expect to troubleshoot complex issues, streamline processes, and collaborate with teams to keep our infrastructure running smoothly, directly supporting xAI’s mission to accelerate human scientific discovery through AI. RESPONSIBILITIES: Independently operate and maintain critical mechanical, electrical, and plumbing (MEP) systems in supercomputing data centers, ensuring high reliability and performance through hands-on maintenance, troubleshooting, and process optimization. Perform advanced maintenance and troubleshooting of critical data center systems like HVAC, power, and environmental controls, while mentoring junior technicians to ensure operational reliability. Oversee the maintenance and optimization of critical data center infrastructure, including power, cooling, and environmental systems, while leading a team of technicians to ensure operational relia

The Continuous Profiler team at Datadog is building a cutting-edge continuous profiling product that has low enough overhead to run continuously in production, unlocking insights into how customer applications perform under real workloads at scale. As AI reshapes software development and teams lose touch with how their code works and interacts with the hardware, this capability is becoming more essential than ever, for humans and AI alike. Today the information produced by our profilers is used for everything from automatic performance tuning to root cause analysis. As a distributed systems engineer on the profiling team, you will be contributing to the systems that intake, process, index, store and make sense of the data collected. You will be working with some of the best runtime engineers, visualization experts, data scientists and designers in the industry on challenging and fun problems. Together, we contribute to runtime ecosystems such as Go and tackle novel problems, from profiling asynchronous Python applications to helping customers solve memory leaks in their applications At Datadog, we place value in our office culture: the relationships that it builds, the creativity it brings to the table, and the collaboration of being together. We operate as a hybrid workplace to ensure our employees can create a work-life harmony that best fits them. What You’ll Do: Help design, build and contribute to the core services making the profiling product possible, at a scale that is unusual even within Datadog. Participate in multi-disciplinary squads, and iterate with customers, to bring ideas all the way from early explorations to impactful product experiences. You will be responsible for your code from development to production, and meet ambitious SLO and quality gates. You will be working with many internal and external stakeholders, working on various ways to consume the profiling data, such as the UI, agentic tools, internal applicat

Beacon Biosignals is transforming precision medicine for the brain, from clinical development to clinical care. For Life Sciences partners, we offer the leading at-home EEG platform for clinical development of novel therapeutics for neurological, psychiatric, and sleep disorders. Our Diagnostics business is building the most comprehensive at-home platform for precision diagnostics, combining EEG and cardiopulmonary signals to deliver reimbursable assessments for sleep and central nervous system disorders. Together, we're changing the way patients are diagnosed and treated for any disorder that affects brain physiology. In this exciting and challenging role as a test engineer specializing in hardware and firmware, you will contribute to the development of new and modified EEG and Home Sleep Test systems that meet application, business, customer, and regulatory requirements. You will be working in the Device Team, reporting to the VP of Device Systems and working closely with hardware, firmware, system, and software engineers. You are responsible for hardware characterization and verification tests, firmware unit tests, integration tests, verification tests, system integration, root cause analysis, and documentation to meet quality requirements. Your goal as a hardware test engineer is to strive without reserve for the greatest quality and reliability in our products. To accomplish this goal, you will collaborate with other design, research, manufacturing and quality colleagues to develop products from concept to commercialization. You will contribute to product idealization, development, integration verification, and manufacturing. Additionally, you will document design and production processes in accordance with applicable product development procedures, quality and regulatory requirements. Beacon's robust asynchronous work practices ensure a first-class remote work experience, but we also have in-person office hubs available located in Boston, New York

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development, helping people work better and stay at the center of successful organizations. Following our recent Series E funding round, where we raised $200 million, our valuation stands at $4 billion. Our total funding exceeds $530 million from premier investors including Accel, NVentures (Nvidia's VC arm), Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. We’re hiring a Senior Solutions Engineer to build Synthesia’s presales function in France and Southern EMEA. This is a founding role: you’ll be one of the first SEs, shaping the playbook, tooling and best practices as we scale, not following an established model. As a Solutions Engineer at Synthesia, you will partner with Account Executives, Customer Success and Product Marketing to run discovery, deliver demos, scope POCs and design the technical solution for each deal. You will be a trusted advisor focused on the value customers get from Synthesia, and you’ll take what you learn in the field back to Product. This is an incredible opportunity to join us as we become a multi-product company for the first time, and continue to scale across France and Southern EMEA. If you’re someone who is excited and driven by building whilst scaling, we’d love to hear from you. Sales Cycle Ownership Coplan and execute discovery calls to understand customer requirements, their technical environment, and current business challenges. Design and deliver compelling demonstrations that solve customer problems, quantify the value of solving those problems, and tell a clear, credible story of how Synthesia solves them better than anyth

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Position Description We are seeking an experienced Senior Software Engineer to join the Advanced Integration Builder team within Okta. This team builds and maintains the backend services, provisioning frameworks, authentication connectors, and next-generation Entitlement Management engines that let Okta customers secure, integrate, and govern access to thousands of third-party enterprise applications — from modern cloud platforms (Microsoft Office 365, Workday, Salesforce, AWS, ServiceNow) and AI agentic systems to legacy on-prem systems. As a Senior Engineer, you will own the technical design and implementation of integration components end-to-end: REST/SOAP API clients, OAuth2/SAML authentication flows, user and group provisioning/sync jobs, and the retry and rate-limiting logic required to operate reliably against dozens of idiosyncratic third-party vendor APIs at scale. This is a backend-intensive role — the large majority of your time will be spent in Java/Spring Boot services — but you'll also need decent frontend experience in React and JSP to build and extend the screens that surface integration configuration to customers Job Duties and Responsibilities - Feature Execution: Drive technical design and implementation of integration features — new app connectors, provisioning/sync capabilities, authentication flows — primarily in backend Java services, extending into React/JSP configuration screens. - Build and maintain REST/SOAP API clients, OAuth2/SA

Ready to do the most impactful work of your career? At Coinbase , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase . Senior Software Engineer, Backend (Retail DEX) We're hiring a Senior Software Engineer to join the Retail DEX team within the Consumer & Business group. This team runs all the data and trading systems that power onchain ("DEX") trading within the main Coinbase app, enabling millions of traders to buy and sell 70M+ tokens on major blockchains including Base and Solana. You'll build software systems that straddle the off-chain and onchain worlds to deliver a seamless, unified trading experience regardless of where an asset settles. What you'll do: Integrate new blockchains, decentralized exchanges, and launchpads into the main Coinbase app to unlock more onchain assets for millions of traders Design and implement first-party smart contracts for onchain trading primitives such as DEX aggregation and advanced order types to improve execution quality and capability Scale real-time data pipelines to handle 100K+ messages per second, enabling millisecond-latency processing of blockchain market data Optimize the trading stack end-to-end to deliver the fastest execution, most optimal fills, and most comprehensive asset coverage for DEX traders Drive iteration on agentic-first development patterns, building self-improving software systems and tooling that accelerate team velocity Required Skills and Experience: 5+ years of experience in backend software engineering with de

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE Everpure is seeking a seasoned Senior Internal Audit Manager to join our Internal Audit team. In this senior individual contributor role, you will operate with significant autonomy and influence, leading our most complex and highest-visibility operational audits across the business and partnering directly with senior leaders to evaluate risk, strengthen processes, and shape how the business makes decisions. This position requires strong business acumen, excellent analytical and communication skills, and the ability to independently manage complex audits from planning through reporting, while bringing a point of view that senior stakeholders seek out before decisions are made. The ideal candidate brings deep operational audit experience, business process and enterprise risk expertise, data analytics capabilities, and a passion for leveraging emerging technologies, including the use of AI embedded into audit activities to improve audit quality and efficiency. You hold yourself and the function to a standard of integrity that never bends to timeline pressure, and you escalate control or policy gaps with a proposed solution, not a workaround. Beyond executing audits, this role sets the agenda for its areas of coverage, drives durable remediation of systemic risks across the organization, serves as a sought-after voice before key decisions are made, and raises the standard for the broader audit function. This is NOT a

About us: BVNK is the stablecoin-powered financial stack for enterprises. We're now part of Mastercard, and together we're building a network for every form of money – one that delivers more reach, more capability and more choice. We enable businesses to build financial products, unlock new markets, and move money in seconds across 130+ countries, with 40+ licenses for fiat and digital assets globally. Processing billions annually, we empower enterprises worldwide to send, receive, convert, and settle stablecoins and fiat seamlessly through a single integration. Our mission is to accelerate global money movement, and we're assembling a world-class team to make it happen. Trusted by industry leaders like Corpay, Worldpay, Deel, and Flywire, we deliver the infrastructure that makes new forms of money usable within the financial systems customers already rely on today. By combining Mastercard's global payment reach and trusted networks with BVNK's stablecoin infrastructure, we're building the trusted operating layer for the evolution of money movement, helping customers participate in emerging digital networks without having to rebuild their businesses around every new innovation. We're a diverse team spread across EMEA, North America, and APAC, with a shared belief that stablecoins are the new infrastructure layer for financial services, and that BVNK is at the forefront of this shift. We're incredibly honored to have been recognized by: CNBC World's Top Fintech Companies (2026) FXC Intelligence Top 100 Cross-border Payment Companies (2026) Newsweek's The Top 100 Global Most Loved Workplaces (three years running, most recently 2025) LinkedIn as one of the Top 20 Startups in the UK (2025) Location : We offer a Hybrid/Remote working policy. FUNCTION : Engineering We are looking for an experienced and forward-thinking Senior DevOps Engineer to join our DevOps team. In this role, you will be instrumental in designing, scaling, and maintaining the resilient, highly a

Capco France recherche un·e Senior React Developer pour accompagner les acteurs des secteurs financiers dans le développement et l'évolution d'applications web modernes, performantes et accessibles. Au sein de notre Practice Technology, Product & Engineering, v ous interviendrez sur des problématiques de développement frontend, d'architecture applicative et d'expérience utilisateur, en étroite collaboration avec des équipes pluridisciplinaires réunissant développeurs, UX/UI Designers, Product Owners et experts techniques répartis dans plusieurs pays. Vous contribuerez à la conception de solutions robustes, réutilisables et maintenables, avec une attention particulière portée à l'accessibilité web, à la qualité du code et aux bonnes pratiques de développement. Vos missions : Concevoir, développer et maintenir des applications web modernes avec React 19 et TypeScript 7 , en privilégiant des architectures frontend évolutives, performantes et maintenables. Contribuer aux choix d'architecture et à l'évolution d'une bibliothèque interne de composants basée sur React Aria, en garantissant leur réutilisabilité et leur cohérence. Placer l'accessibilité web au cœur du développement, en appliquant les standards et bonnes pratiques dès la conception jusqu'aux tests et aux revues de code. Collaborer avec les équipes UX/UI pour intégrer les maquettes Figma, développer les interfaces et assurer les interactions avec les API backend Java. Garantir la qualité des développements grâce aux tests unitaires, d'intégration et end-to-end, aux revues de code et à la contribution aux processus CI/CD, en collaboration avec les équipes DevOps. Votre profil : Une expérience confirmée en développement frontend avec React , TypeScript 6 ou 7 et JavaScript , ainsi qu'une bonne compréhension des architectures de composants, de la gestion d'état et des applications web complexes. Une expertise dans l