Senior Java Backend Developer Jobs

Senior Software Developers collaborate with Business and Quality Analysts, Designers, Project Managers and more to design software solutions that will create meaningful change for our clients. They listen thoughtfully to understand the context of a business problem and write clean and iterative code to deliver a powerful end result whilst consistently advocating for better engineering practices. By balancing strong opinions with a willingness to find the right answer, Senior Software Developers bring integrity to technology, ensuring all voices are heard. For a team to thrive, it needs collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an aspirational tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve complex business problems and proactively assess your team’s health, code quality and nonfunctional requirements. Job responsibilities You will learn and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns You will use and advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible You will work in collaborative, value-driven teams to build innovative customer experiences for our clients You will create large-scale distributed systems out of microservices You will collaborate with a variety of teammates to build features, design concepts and interactive prototypes and ensure best practices and UX specifications are embedded along the way. You will apply the latest technology thinking from our Technology Radar to solve client problems You will efficiently utilize DevSecOps tools and practices to build and deploy software, advocating devops culture and shifting security left in development You will oversee or take part in the entire cycle of software consulting and

Java Software Engineer - Developer (Experienced and Senior) Company: The Boeing Company The Boeing Company is currently seeking Java Software Engineers – Developer (Experienced and Senior) to support our Advanced Ground Architecture team located in Herndon, Virginia, Colorado Springs, Colorado, Mesa, Arizona, Seal Beach, California and El Segundo, California. This position will focus on supporting the Boeing Defense, Space & Security (BDS) Software Engineering organization. The Advanced Ground Architecture (AGA) software team is a dynamic group of software engineers creating the future of Ground support with the extensibility and adaptability to be used across ALL Boeing programs. The software team is executing this vision through modern software technologies (Java, ReactJS, python, CI/CD pipelines) and methodologies (Scaled Agile). AGA is looking for self-motivated high performers to execute the large scope of Java development needed for the program's vision. The ideal candidates will provide software engineering functions for the design, development, and maintenance of complex, multi-tiered application software systems used to support the command and control of space vehicles. The software engineers will work day-to-day with system and test engineers in order to implement, test, and document new features and improvements for both web services and applications supporting distributed computing solutions. Position Responsibilities: Designs, develops, tests, and maintains software in an Agile execution that meets industry, customer, safety, and regulation standards throughout the end-to-end lifecycle Reviews, analyzes, and translates customer requirements into initial design and softwa

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It’s a unique legacy of innovation that’s fueled by great technology—and amazing people. Today, we’re tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what’s never been done before takes vision, innovation, and the world’s best talent. As an NVIDIAN, you’ll be immersed in a diverse, supportive environment where everyone is inspired to do their best work. Come join the team and see how you can make a lasting impact on the world. NVIDIA is seeking a Sr. Systems Software Engineer for the Apache Spark Acceleration group. Over the past five years GPU accelerated data processing has moved from proof of concept to production deployments. Many enterprises recognize accelerated computing is vital to handle their large data processing needs. Multi-node GPU deployments will reduce cloud computing costs and lower latency in batch ETL workloads. Apache Spark is the most popular data processing engine in data centers. At NVIDIA, we are developing an open source plugin to accelerate Spark applications on GPUs without any code changes. What you'll be doing: Enable C++ native execution of Spark operations on CUDA Develop CUDA/C++ libraries to accelerate DataFrames and I/O operations on common file formats such as Parquet, ORC and JSON Collaborate with distributed systems teams to craft solutions to distributed processing problems challenges at large scale Work with open source communities to enhance libraries like RAPIDS, CCCL and UCX through technical discussion and code contributions Provide recom

Husky is what we call the distributed, petabyte-scale columnar event store at the heart of our Event Platform, which powers dozens of Datadog’s most popular products – Logs, RUM, APM, Cloud Network Monitoring, Netflow, and many more. Husky was built from the ground up at Datadog to store and query massive volumes of event data at low cost, with data fully queryable within seconds of arrival. As a Senior Software Engineer on this team, you'll work hands-on with a distributed storage system at petabyte scale, and help us evolve our platform to support the next level of scale that will power the AI era. We will move from a custom storage format towards open standards (Parquet, Arrow, DataFusion) enabling on prem solutions, increasingly complex analytical/batch workloads, and powering AI observability, sustainably into the future. You'll partner closely with Husky Ingestion, Metadata, and Platform, and increasingly with Lakehouse on the Iceberg-compatible boundary between Husky and analytical/batch workloads. You will also work with the open source community to build the next generation of reusable software solutions that can be operated at scale. Datadog has a culture that is increasingly rare in mature technology companies. We are an engineering driven, bottom up, high agency/high responsibility culture–where everyone is empowered and expected to drive the technological and strategic direction of the business over time. We are a blameless culture where we believe supporting each other through challenges produces the best outcomes over time and our track record corroborates this. We are open source champions. We believe in the flexibility of working remotely but also the value of bringing people together across our various offices worldwide–and our offices are nice places to work. What You’ll Do: Drive Husky to the next level of adoption by migrating our storage format to open source Parquet and re-imagine compaction on a format-agnostic, Data

The Senior Full stack Application Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems Ensure essential procedures are followed and help define operating standards and processes Has the ability to operate with a limited level of direct supervision. Can exercise independence of judgement and autonomy. Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary Acts as SME to senior stakeholders and /or other team members. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Cit

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Technical Program Manager Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview Service Delivery is a team of Systems Platform Engineers responsible for the analysis, design and build of the application infrastructure framework to fit the application, platform or system needs in-line with MasterCard's operational standards and principles. TPM will work with the development teams and other critical teams within Mastercard to ensure that the completed infrastructure and application architecture aligns with MasterCard’s security, scalability and availability standards. TPM deliverable are the managing the Infrastructure deliver program of Java Run time environments

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respect their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation, and delivers better business results About the Role Senior Software Engineers at Mastercard design and code artificial intelligence, cloud, and machine learning platforms that provide mission-critical insights to many of the world’s leading organizations and governments. As a Senior Software Engineer, you will deliver these products and solutions with speed and agility as part of a small team. This will involve developing high-performing, highly scalable software solutions and products for some of the world’s top brands. Specific tasks vary depending on the project and the busi

JOIN OUR TEAM As a Senior Software Engineer , you will play a key role in shaping and evolving our order management and commerce platform with Fluent Commerce at its core. You will design and build workflows, integrations, and platform extensions that reliably power the journey of millions of customer orders. Working across Fluent Commerce, Java-based services, APIs, and our wider e-commerce ecosystem, you will take ownership of complex features end-to-end, from specification and architecture through to delivery, monitoring, and continuous improvement. Collaborating with Product and Engineering teams, you will combine strong technical judgment with a deep understanding of order management and distributed systems to build solutions that are scalable, resilient, and easy to evolve. Your curiosity for emerging technologies and AI-assisted development will help the team work smarter, ship faster, and continuously improve how we build and operate our commerce platform. This position is permanent and based in Munich . WHAT YOU'LL DO Design, build, and maintain solutions on the Fluent Commerce platform, taking end-to-end ownership from architecture to production release and maintenance Design and evolve Fluent Commerce workflows, rules, events, and orchestration logic supporting order management, fulfilment, and inventory processes Develop custom Fluent Commerce rules using the Rules SDK and Java, keeping business logic modular, testable, and maintainable Build and extend integrations between Fluent Commerce and our wider e-commerce landscape using GraphQL, REST APIs, webhooks, events, and other integration patterns Own the reliability and performance of order-management flows, handling failure scenarios, retries, idempotency, and observability Work closely with Product and Engineering teams to translate business requirements into technical designs, build AI-powered capabilities, and champion engineering quality through automated testing, code reviews, and documentation YO

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. Senior Software Reliability Engineer - Data Platform About the Team The Data Platform team is responsible for the foundational data services, systems, and data products for Okta that benefit our users. Today, the Data Platform team solves challenges and enables: Streaming analytics Interactive end-user reporting Data and ML platform for Okta to scale Telemetry of our products and data Our elite team is fast, creative and flexible. We encourage ownership. We expect great things from our engineers and reward them with stimulating new projects, new technologies and the chance to have significant equity in a company. Okta is about to change the cloud computing landscape forever. About the Position This is an opportunity for experienced Software Reliability Engineers to join our fast growing Data Platform organization that is passionate about scaling high volume, low-latency, distributed data-platform services & data products. In this role, you will get to work with engineers throughout the organization to build foundational infrastructure that allows Okta to scale for years to come. As a member of the Data Platform team, you will be responsible for designing, building, and deploying the systems that power our data analytics and ML. Our analytics infrastructure stack sits on top of many modern technologies, including Kinesis, Flink, ElasticSearch, and Snowflake. We are looking for experienced Software Engineers who can help des

We’re building a world of health around every individual — shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger – helping to simplify health care one person, one family and one community at a time. Position Summary CVS Health is seeking a Senior Manager, Software Engineering to lead, grow, and develop high-performing engineering teams that design, build, and modernize mission-critical systems for our Claims Adjudication and Pharmacy Benefit Management (PBM) organization. This is a people-and-delivery leadership role, accountable for team performance, delivery execution, and engineering excellence. You will own technical direction for teams building scalable, reliable, cloud-native software while continuing to integrate with legacy platforms such as IBMi/AS400 and PBM adjudication systems like RxClaim. In this role, you will advance CVS Health's transition toward modern, AI-driven, cloud-native, microservices-based platforms and open-source engineering practices — championing strong CI/CD, sound architecture, and the responsible adoption of AI and GenAI developer tools (such as GitHub Copilot) that accelerate delivery without eroding engineering fundamentals. You will partner with senior leadership, product, and architecture to translate strategy into roadmaps and dependable execution, leading engineers, engineering leads, and cross-functional partners across software, AI, and quality engineering. This role requires a strong balance of people leadership, delivery execution, technical credibility in Java/Spring and microservices architecture, cloud modernization, and cross-fun

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 . As a Senior Software Engineer within the Security Platform Engineering group, you'll serve as the primary execution anchor for our most critical regulatory and cryptographic initiatives. This team owns Coinbase's Public and Internal Certificate Management based systems, which is the bedrock for all Coinbase systems. You'll lead the development of high-availability services which provide novel certificate needs internally and with external partners. What you'll do: Lead the architecture and execution of critical cryptographic infrastructure Define technical strategies with a multi-quarter horizon, bringing clarity to highly ambiguous requirements for novel cryptographic solutions Own risky and ambitious initiatives, implementing secure and resilient cryptographic protocols in a high-stakes, zero-trust environment Shape engineering quality practices as a technical anchor and mentor within a team of senior engineers, driving rigorous code reviews and eliminating single points of failure Build alignment and secure commitment from cross-functional partners across Security, Product, and Policy to drive flawless execution Required Skills and Experience: 5+ years of experience in software engineering with demonstrated success building highly available, distributed systems Deep domain expertise in Public Key Infrastructure (PKI) and applied cryptography, with proven ex

SOBRE A CAPCO A Capco é uma consultoria global de tecnologia e negócios, focada no setor de serviços financeiros e energia, somos apaixonados por ajudar nossos clientes, temos 40 escritórios nas Américas, Europa e Ásia-Pacífico! Se criatividade e inovação são sua paixão, a Capco é ideal para você. Vamos te apoiar e ajudar a acelerar sua carreira! Estamos buscando um Desenvolvedor Azure Cloud experiente para liderar a implementação de integrações corporativas para um programa de Modernização de Automação em larga escala no setor de Energia. A função será responsável por definir os padrões corporativos de APIs, a arquitetura orientada a eventos e a estratégia de implementação em múltiplas plataformas de negócio, incluindo Portal do Cliente, CRM, Faturamento, Precificação, Previsão, Gateways de Pagamento, Utilities, Microsoft Fabric e outras plataformas SaaS. O candidato selecionado trabalhará em estreita colaboração com Arquitetos de Soluções, Analistas de Negócios, Arquitetos de Dados e fornecedores externos para entregar integrações seguras, escaláveis, resilientes e reutilizáveis, utilizando os Serviços de Integração do Azure. Visão Geral do Projeto: O programa de Modernização de Automação tem como objetivo modernizar o ecossistema da organização nas áreas de clientes, precificação, previsão, faturamento e analytics por meio de integrações API-first, nativas da nuvem e orientadas a eventos no Microsoft Azure. Principais Responsabilidades: • Projetar, provisionar, configurar e manter a infraestrutura de nuvem Azure nos ambientes de desenvolvimento, testes, staging e produção. • Implementar redes no Azure, incluindo Redes Virtuais, Sub-redes, Grupos de Segurança de Rede, Endpoints Privados, DNS Privado, roteamento e conectividade. • Configurar e gerenciar serviços do Azure que dão suporte a aplicações e integrações, incluindo App Service, Functions, API Management, Service Bus, Storage Accounts, Key Vault e serviços relacionados. • Implementar gerenciame

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. Okta Identity Governance (OIG) organization is looking for a Senior Engineer to join our team — OIG is Okta’s Identity Governance and Administration solution that is directly responsible for one of the most critical and visible workflows in enterprise identity: how employees request, approve, and gain access to the resources they need. Opportunity As a Senior Engineer on the OIG team, you will be involved into development, design, and maintenance of our product to serve enterprise customers at scale. You will involve the architecture and evolution of our product features — spanning the across different access governance personas — and work collaboratively across engineering, product, and design to deliver features that are secure, scalable, and delightful to use. This is a role for someone who thinks in systems, leads with craft, and is energized by the challenge of building enterprise-grade software that millions of users depend on. This is a rare opportunity to join a team where your technical decisions will directly shape how thousands of enterprises manage access governance at scale, where the technical challenges are genuinely hard, and where the work you ship will be seen and felt by real users every day. Job Duties And Responsibilities Take end-to-end ownership of feature areas — from technical design through implementation, testing, deployment, and post-launch monitoring Design, build, and ship high-quality, production-ready features ac

What if the work you did every day could impact the lives of people you know? Or all of humanity? At Illumina, we are expanding access to genomic technology to realize health equity for billions of people around the world. Our efforts enable life-changing discoveries that are transforming human health through the early detection and diagnosis of diseases and new treatment options for patients. Working at Illumina means being part of something bigger than yourself. Every person, in every role, has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible. Senior Software Engineer - Full Stack Join Illumina’s Software team within R&D and play a lead role in the design and development of cutting-edge next generation data and analysis platforms to unlock the power of the genome – to transform healthcare and beyond. As a Senior Software Engineer, you will be part of an innovative, dynamic, and adaptive organization supporting new and on-market cloud-based products that streamline the generation, analysis, aggregation, and extraction of insights from data. Responsibilities: Be responsible for software development for new product initiatives and features Participate in all phases of software development from architecture/design through implementation, testing and deployment Actively look for ways to improve the customer experience and codebase Develop software components that meet standards of quality and architecture, including the documentation and implementation of unit tests, scripts, and test harnesses Writing clean, performant, and well-tested code Work in an Agile/Scrum environment to deliver high quality software.<

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together. About the role: As a Senior Software Engineer working on the Appian platform, your mission will be to ensure Appian is always fast, scalable and up to whatever tasks our customers configure it to do. You will be focused on designing, developing, and maintaining complex software systems while providing technical leadership and mentorship and building a product capable of serving our customers in ways you never imagined. This role includes not just deep coding expertise, but also a focus on system orchestration, using AI Tools and AI integration (like RAG, agentic workflows, MCP), and aligning technical decisions with business strategy. Key Responsibilities The SSE isn't just "faster at coding"—they are responsible for the health of the entire codebase and the growth of the team. Code Quality & Standards: Set and enforce the "gold standard" for clean, maintainable, and well-documented code across the repository. Architecture & Design: Leading high-level design sessions, choosing architectural patterns (Microservices, Serverless, Event-driven), and ensuring systems are scalable and secure. Developer Enablement: Create internal tooling and "Golden Paths" that abstract away the complexity of underlying infrastructure for feature teams. Technical Leadership: Mentoring junior engineers, conducting rigorous code reviews, , setting the "gold standard" for clean, maintainable, and well-documented code across the repository. Project Ownership: Driving features from requirement analysis through deployment. This involves breaking down complex busin