Senior Java Engineer Jobs

We’re looking for an Senior Software Developer, Backend who can help us support the development organization to deliver value to customers in a reliable, efficient, and safe manner. You’ll be working in a focused team that owns one piece of the production application environment and the developer experience, you will execute on defined projects to achieve team-level goals. In line with Hootsuite's distributed workforce strategy, our flexible work arrangement allows for a hybrid model. This role is open to applicants within commutable distance to Luxembourg. WHAT YOU’LL DO: Write software - tools, libraries, automation, services Design and build our infrastructure platform Identify and implement new platform features Research and evaluate new technologies Refactor, rewrite or retire existing platform features Operate our developer experience and production application environments Diagnose and repair our distributed systems Perform maintenance, upgrades and migrations Control or eliminate repetitive tasks, alert noise, and business-as-usual work Enable development teams Provide executable interfaces to our infrastructure platform Provide tools and best practices to support the entire software development lifecycle Participate in a flexible on-call rotation Communicate by writing documentation, participating in meetings, and showing off your work at demos WHAT YOU’LL NEED: A degree in Computer Science or Engineering or equivalent experience working in a software engineering role An ability to write software and working knowledge of software engineering practice (Java programming language and strong working knowledge of object-oriented programming concepts) Proven experience creating stable, reliable, performing and maintainable code Familiarity with data modeling and schema design Knowledge of data structures and algorithms Open Communication: clearly conveys thoughts, both written and verbally, listening attentively and asking questions for clarific

Forward is transforming how the world’s most complex networks are managed and secured. Founded in 2013 by four Stanford Ph.D.s, we built the industry’s first network digital twin — a mathematically precise model of the production network that gives IT teams unmatched visibility, verification, and agility across every major cloud and vendor environment. Our customers include global leaders such as Goldman Sachs, PayPal, S&P Global, IBM, and Dell, as well as fast-growing enterprises and government agencies. According to IDC, Forward customers realize an average of $14.2 million in annual benefits through improved efficiency and security. Backed by world-class investors including Andreessen Horowitz, Goldman Sachs, MSD Partners, and Threshold Ventures, Forward offers a people-centric, innovative culture where brilliant minds are shaping the future of network reliability, security, and AI-ready operations. Forward is currently seeking experienced Java developers to work as part of our Network team. Responsibilities Help bring the best ideas from the software development world into the networking industry. Contribute to our code base, systems and software architecture as a member of our engineering team. Help create and optimize network device models for different device vendors and protocols. Help create infrastructure needed to configure, collect and test network devices. Work with peers who are experts in Networking, Distributed Systems, Big Data and Search. Requirements 5+ years of work experience in software development 3+ years of work experience with Java BS in Computer Science or related degree Solid software engineering experience with large code bases Basic understanding of networking and TCP/IP. Strong verbal and written communication skills. Nice to haves Working knowledge of how switches, routers, firewalls or load balancers work. Experience working with networking protocols such as BGP/OSPF/IS-IS, IPv4/IPv6, MPLS, VLAN, VXLAN, etc. This position is a re

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services. Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together. Position Overview: The Senior Platform Engineering Lead is a pivotal senior-level engineering position responsible for driving the

GHX is seeking a Senior Software Engineer with a proven track record in designing, developing, and delivering high-quality, scalable software solutions across the full stack. This role is responsible for creating, implementing, and supporting both existing and next-generation products used in the healthcare supply chain. The ideal candidate brings strong, modern Angular expertise (particularly Angular 17+), plus Java and J2EE development experience, proficiency in AWS cloud services, and a firm command of CI/CD pipelines and software design patterns. Duties and Responsibilities Design and implement scalable, secure, maintainable software solutions aligned with business needs, creating flexible, reusable components across the full stack. Build and modernize user-facing applications using modern Angular, TypeScript, and component-based front-end architecture. Lead technical design for complex features and initiatives, authoring clear technical documentation and ensuring adherence to IT control policies. Develop and support back-end services and integrations using Java, AWS services, and database technologies, as needed. Collaborate with cross-functional teams to address technical dependencies and deliver high-quality products. Identify root causes of system challenges, analyze upstream and downstream impacts, and recommend practical, broad-reaching solutions. Promote best practices in development, testing, CI/CD, and Agile workflows, and build strong working relationships to influence technical decisions across teams. Mentor less experienced engineers across the team through pairing and code review. Maintain a deep understanding of system architecture, integrations, and data flows. Actively use AI-powered development tools to improve productivity and code quality. Required Qualifications 8 or more years of experience in software development with a BS Degree in Computer Science or equivalent professional experience. 5 or more years of experience developing modern web a

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 As a Software Engineer on our team, you will drive core middleware innovation that unifies and scales Everpure’s™ industry-leading FlashArray and FlashBlade storage platforms. Acting as a strong technical anchor, you will own critical backend infrastructure end-to-end while collaborating with cross-functional global engineering teams to deliver high-performance, six 9s reliable systems. You will modernize system architectures, build unified management layers, and extend core capabilities into public cloud environments without impacting customer uptime. If you thrive on individual code ownership, value deep craftsmanship, and want to directly shape enterprise-grade data infrastructure, this role offers an exceptional platform for your impact. WHAT YOU’LL DO Own REST API Infrastructure. Own infrastructure work from streamlining REST API multi-versioned specification, engineering workflow, process automation, and API SDK productization Drive Middleware Unification & Scaling: Architect, build, and optimize high-throughput Java and Spring-based middleware services, developing the unification layer that bridges FlashArray and FlashBlade product lines for seamless enterprise management. Support End-to-End Features: Support complex features across the full software development lifecycle—from initial API design and CLI/GUI integration to debugging, refactoring, and release deployment. Elevate Engineering St

CLEAR is building THE secure identity company of the future. Our mission is to make experiences safer and easier—physically and digitally. With more than 43 million Members and a growing network of partners across the world, CLEAR's secure identity platform is transforming the way people live, work, and travel. Whether it’s at the airport, stadium, or throughout your everyday life, CLEAR unlocks the magic of frictionless experiences. We're looking for Senior Fullstack Software Engineers to help build the next generation of CLEAR's identity platform. Beyond verifying identity, we're creating a secure, networked digital identity that enables seamless experiences across travel, enterprise, healthcare, financial services, and beyond. As a Senior Software Engineer, you'll own complex technical problems from design through deployment, partnering closely with Product, Design, Security, and Operations to deliver reliable, scalable solutions. We're looking for engineers with a strong builder mindset who thrive in ambiguity, take ownership, and enjoy turning ideas into production systems. Level and team matching (open roles across the three pillars that make up Technology at CLEAR: Core Identity, CLEAR1 , and CLEAR Travel ) will occur towards the end of our interview process. Tech stack overview: Java / React / Typescript What you’ll do: Design, build, test, and deploy scalable full-stack applications that power CLEAR's identity platform. Own projects end-to-end from technical discovery and architecture through implementation, rollout, and operational support. Partner closely with Product, Design, Data, Security, and Operations to translate business problems into simple, scalable technical solutions. Drive engineering excellence by improving system reliability, performance, testing, observability, and developer experience. Contribute to architectural decisions and continuously improve the scalability, security, and maintainability of our platform. Mentor teammates through tho

CLEAR is building THE secure identity company of the future. Our mission is to make experiences safer and easier—physically and digitally. With more than 43 million Members and a growing network of partners across the world, CLEAR's secure identity platform is transforming the way people live, work, and travel. Whether it’s at the airport, stadium, or throughout your everyday life, CLEAR unlocks the magic of frictionless experiences. We're looking for Senior Fullstack Software Engineers to help build the next generation of CLEAR's identity platform. Beyond verifying identity, we're creating a secure, networked digital identity that enables seamless experiences across travel, enterprise, healthcare, financial services, and beyond. As a Senior Software Engineer, you'll own complex technical problems from design through deployment, partnering closely with Product, Design, Security, and Operations to deliver reliable, scalable solutions. We're looking for engineers with a strong builder mindset who thrive in ambiguity, take ownership, and enjoy turning ideas into production systems. Level and team matching (open roles across the three pillars that make up Technology at CLEAR: Core Identity, CLEAR1 , and CLEAR Travel ) will occur towards the end of our interview process. Tech stack overview: Java / React / Typescript What you’ll do: Design, build, test, and deploy scalable full-stack applications that power CLEAR's identity platform. Own projects end-to-end from technical discovery and architecture through implementation, rollout, and operational support. Partner closely with Product, Design, Data, Security, and Operations to translate business problems into simple, scalable technical solutions. Drive engineering excellence by improving system reliability, performance, testing, observability, and developer experience. Contribute to architectural decisions and continuously improve the scalability, security, and maintainability of our platform. Mentor teammates through tho

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

Shape the Future of Financial Services with Capco At Capco, we specialize in management consulting and software development, partnering with leading international banks and insurance companies across Western Europe. Our innovative approach and collaborative culture make us the ideal place for professionals looking to make an impact in financial services technology. Want to learn more about our culture and people? Visit us: Capco Careers Slovakia Why Join Us? Prestigious Clients & Exciting Projects – Work with top-tier banks on transformation projects that redefine financial services. Continuous Learning & Development – Access to technical and soft skills training, professional certifications, and full access to the Udemy online learning platform. Flexible Work Environment – we provide flexibility to work remotely from the home office within Czech Republic. Attractive Benefits Package: ✅ Paid sick days ✅ 25 vacation days (regardless of age) ✅ Monthly cafeteria allowance (1.285 CZK/month) or contribution to the 3rd pillar ✅ Fully paid meal vouchers ✅ Multisport card with employer contribution ✅ Smartphone with 1TB data + Laptop Well-being & Community Engagement – Join mental health webinars, running challenges, sports activities, or participate in our volunteering days. Competitive Compensation (adjusted based on experience) + annual bonus & benefits package. Long-term career – Indefinite period contract with opportunities for career growth. Role Description Build tailored Java SE/EE and Spring Boot solutions that keep modern banks running smoothly Write and run thorough unit tests to ensure your code is rock solid and reliable Share your knowledge and offer practical guidance on implementing best practices Own key configuration tasks that ensure our solutions are optimized, stable, and aligned with client needs Analyze change requests and defects, and turn them into opportunities to make the system better and more efficient This is a l

Shape the Future of Financial Services with Capco At Capco, we specialize in management consulting and software development, partnering with leading international banks and insurance companies across Western Europe. Our innovative approach and collaborative culture make us the ideal place for professionals looking to make an impact in financial services technology. Want to learn more about our culture and people? Visit us: Capco Careers Slovakia Why Join Us? Prestigious Clients & Exciting Projects – Work with top-tier banks on transformation projects that redefine financial services. Continuous Learning & Development – Access to technical and soft skills training, professional certifications, and full access to the Udemy online learning platform. Flexible Work Environment – Work from our modern Bratislava office (Nivy Tower) or remotely from home. Attractive Benefits Package: ✅ Private health care & paid sick days ✅ 25 vacation days (regardless of age) ✅ Monthly cafeteria allowance (€50/month) or contribution to the 3rd pillar ✅ Fully paid meal vouchers ✅ Multisport card with employer contribution ✅ Smartphone with 1TB data + Laptop ✅ Relaxing office environment: Fresh fruit, game room (PS4, table football), pet-friendly space Well-being & Community Engagement – Join yoga lessons, mental health webinars, running challenges, sports activities, or participate in our volunteering days. Long-term career – Permanent employment contract with opportunities for career growth. The minimum gross monthly base salary for this position for a medior is from € 2,600 and for a senior from € 3,300 . The final offer could be higher to reflect the candidate’s experience, skills, and overall fit for the role. Additionally, this position may also be eligible to receive a discretionary/variable bonus payment. Capco is committed to providing fair and equitable compensation to our people. Our compensation policies are designed to allow our people to progress through ou

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 Full Stack experiente para projetar, desenvolver e implementar aplicações web corporativas para um programa de Modernização de Automação em larga escala no setor de Energia. A função será responsável pelo desenvolvimento de aplicações front-end responsivas utilizando Angular, pela implementação da lógica de negócios e de serviços de backend utilizando Java / Spring Boot e pelo projeto e desenvolvimento de objetos de banco de dados, incluindo tabelas, views, stored procedures, funções e queries utilizando Oracle e PL/SQL. O candidato selecionado trabalhará em estreita colaboração com o Líder Técnico, Arquitetos de Soluções, Analistas de Negócios, Desenvolvedores de Integração, Arquitetos de Dados, equipes de QA e fornecedores externos para entregar aplicações corporativas seguras, escaláveis, resilientes, de fácil manutenção e de alto desempenho. 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 aplicações web modernas, serviços orientados a APIs, integrações corporativas e soluções de dados escaláveis. Principais Responsabilidades: • Projetar e desenvolver aplicações front-end responsivas e reutilizáveis utilizando Angular e TypeScript. • Integrar aplicações front-end com serviços de backend utilizando REST APIs. • Projetar e desenvolver lógica de negócios e serviços de backend utilizando Java e Spring Boot. • Desenvolver APIs RESTful e componentes de serviço para dar suporte às funcionalidades das aplicações e aos req

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

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity We are looking for a seasoned backend engineer to design, build, and scale the backend systems powering OKX’s DEX trading products. You will own critical parts of the trading lifecycle—from quote discovery and order management to transaction submission, execution tracking, and reconciliation. Working closely with product, frontend, smart contract, and infrastructure teams, you will deliver secure, reliable trading experiences across multiple blockchain ecosystems. This is a hands-on engineering role with meaningful architectural ownership and opportunities to grow into technical leadership. What You’ll Be Doing Design and develop backend services for quote aggregation, order management, transaction orchestration, and execution tracking. Build reliable integrations with DEX protocols, liquidity sources, blockchain RPC providers, and indexing services. Define clear order and transaction state models, with robust handling of retries, duplicate re

Job Requisition ID # 26WD101388 Position Overview Are you passionate about building scalable backend systems that power mission-critical services? Do you thrive in a fast-paced, innovative environment? Join Autodesk and help us deliver world-class solutions for millions of users worldwide! Roles & Responsibilities Own and Evolve Core Microservices: Take charge of essential microservices that form the backbone of our data platform, working within a professional Scrum team Deliver High-Quality Code: Write clean, efficient, and maintainable code that meets our rigorous engineering standards Drive Performance and Scalability: Proactively identify and resolve issues related to performance, stability, and scalability, ensuring our systems are robust and future-ready Champion Test Automation: Contribute to our automated testing efforts, ensuring reliability and quality at every stage Collaborate Across Teams: Work closely with Product Owners, Scrum Masters, and fellow developers to turn requirements into high-impact microservices that delight our customers Innovate and Experiment: Research and prototype new technologies and patterns to keep our backend architecture at the cutting edge Deliver Results:

About the job Senior Backend Engineer |100% Remote | India We are searching for a seasoned Sr Backend Engineer who will be responsible for developing and maintaining our backend systems, ensuring their efficiency, scalability, and reliability. The ideal candidate has a strong background in PHP and Java, with optional experience in Golang and Node.js. You should be well-versed in working with databases such as MongoDB, Redis, and Postgres, and have a solid understanding of cloud technologies, specifically AWS. Responsibilities Design, develop, and maintain backend systems and APIs to support our application's functionality. Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to deliver high-quality solutions. Write clean, scalable, and well-documented code that adheres to industry best practices and coding standards. Perform code reviews and provide constructive feedback to peers to ensure code quality and consistency. Optimize and improve the performance of existing backend systems. Troubleshoot and debug production issues, providing timely resolutions. Stay up-to-date with emerging technologies and industry trends, identifying opportunities for innovation and improvement. Collaborate with DevOps teams to ensure smooth deployment and operation of backend services in the AWS cloud environment. Requirements Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent work experience). 5-10 years of professional experience as a Backend Engineer. Strong proficiency in Java/Golang is a must. Experience with Node js is a plus. In-depth knowledge of database technologies, including MongoDB, Redis, and Postgres. Solid understanding of cloud computing platforms, particularly AWS. Familiarity with containerization technologies such as Docker and orchestration tools like Kubernetes. Proficiency in writing efficient and optimized SQL queries. Experience with version control systems, such as Gi