Senior Java Full Stack Engineer 2c Staff Jobs

Senior Low Latency Developer – Equities Connectivity Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Equities Technology Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernized post‑trade, clearing and margin processes. Our ambition is to deliver a seamlessly integrated, highly automated platform that drives outstanding client outcomes and accelerates growth across our global franchise. As part of the team, you’ll collaborate closely with high‑caliber engineers and deeply engaged business and product partners - working together to define and deliver the next generation of Equities technology at Citi . Role Overview Citi's Equities Technology organization is seeking an experienced, hands-on engineer to join the Equities Electronic-Execution (Electronic Trading) technology team. The person in this role will be responsible for the development and operational excellence of Citi's next-generation low-latency connectivity platforms.

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 - Java/Spring Overview Our team’s mission is to make payments easy, fast and as secure as possible. That’s why we’ve developed technology that enables mobile payments (Apple Pay, Google Pay, Samsung Pay, Garmin Pay, etc.) and secure, tokenized remote commerce payments. We call the set of services delivering this "MDES”. We’ve experienced incredible success and growth, with 10s of billions of transactions being processed each year, however now we are focusing on ensuring the success continues as we scale MDES even further. Our focus is on the best possible customer experience. We’re making our services faster, more reliable and more scalable whilst meeting emerging on-soil regulation and increasing demand across the globe. Right now, our applications are deployed into our on-premises infrastructure, but to meet these challenging goals we need them to be deployable into the public cloud. That’s where you come in. We are searching for new team members with first-hand experience of developing and deploying secure, performant, reliable, resilient, distributed applications both in private and public cloud platforms. You will have the boundless energy, enthusiasm and drive to deliver the next phase of this mission-critical transformation. Role As a Senior Software Developm

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 Health100 is an AI‑native health technology platform that unifies pharmacies, providers, insurers, PBMs, and digital health solutions into a single, consumer‑focused ecosystem. Powered by Google Cloud AI, we’re reimagining personalized and connected health experiences. As a Senior Software Engineer for Health100, you will play a crucial role within a collaborative team — designing, developing, and maintaining backend services and APIs while ensuring releases are well-coordinated, fully prepared, and successfully deployed to production. The ideal candidate brings strong technical expertise in modern backend development, excellent problem-solving skills, and a proactive approach to production monitoring, issue triage, and cross-team coordination. This position is critical in maintaining high engineering standards, ensuring smooth release cycles, and driving operational excellence across the development lifecycle. *This role can be based anywhere in the US; hybrid or remote with preference for candidates to work out of our corporate headquarters in Woonsocket, RI. Responsibilities: Partner with technical leaders and the open-source community to contribute to technical designs, frameworks, roadmap definition, and requirements-gathering. Provide domain knowledge and engineering insight to guide early designs, ac

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Facebook, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. The people of Adyen are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. Financial Products The Financial Products solution is responsible for all financial products that we offer on top of payments processing to our customers. Examples of these are our Banking, Issuing, Fx, and Capital products. Whether we work with large partner platforms, medium sized local merchants, or major international enterprise businesses, our products need to meet our clients expectations and seamlessly fit into their systems. What you’ll do: Work on complex technical projects from requirements analysis through design, implementation, testing and launch into production. Be hands-on and contribute to the implementation. Identify and improve parts of the platform to make it more robust and scalable. Bring your own point of view on best engineering practices. Your code will be used at scale and you are expected to think in that mindset when building features. We launch fast and iterate often. Concretely, this means that within your first few weeks, you will bring live functionalities that impact many merchants and shoppers. Build APIs and tooling according to quality principles such as performance and code quality. Collaborate across teams and time zones to get projects over the finish line. Who you are: Familiar with complex large scale distributed systems. You have experience with Java,

SmartBear delivers application integrity for modern tech stacks, ensuring continuous, measurable assurance that software just works as intended with governance to operate at AI speed and scale. SmartBear offers deep test automation, API lifecycle management, and observability capabilities. With integrations across the SDLC, it sets a new quality standard for application delivery teams. SmartBear is trusted by developers, testers, and software engineers across 32,000 organizations, including 75% of the largest financial institutions and industry leaders such as Adobe, JetBlue, and Microsoft. SmartBear’s open source tools are downloaded more than 100 million times a month and have earned over 30,000 GitHub stars from the developer community. With its best-loved brands, including Swagger, TestComplete, Reflect, QMetry, Zephyr, and more, SmartBear meets customers where they are to make our technology-driven world a better place. Learn more at www.smartbear.com , or follow us on LinkedIn , X , and Reddit . At SmartBear, you will be part of a dynamic team solving one of the most critical challenges facing modern businesses: ensuring the integrity of software in an AI-driven world. Whether you are working directly with customers, driving go to market strategies, supporting operations, building products, or enabling teams, your contributions help shape the future of software quality for organizations worldwide. Join us in our mission. Senior Software Engineer – Java Solve challenging business problems and build highly scalable applications. Design, document and implement solutions in Java 8 and 17. Build and deploy services based on the AWS platform. Work with a high-performance team, working with continuous delivery and heavy test automation Product intro Zephyr provides test management capabilities to Atlassian products, working as a plugin/extension for Jira and Confluence, for managing both manual and automated testing processes. Using AI, users can transform thei

Roles and Responsibilities Write maintainable/scalable/e?cient code. Work in a cross-functional team, collaborating with peers during the entire SDLC. Follow coding standards, unit-testing, code reviews etc. Follow release cycles and commitment to deadlines. Qualifications & Experience Experience level of 3 to 5 years of experience in very large scale applications. Fair understanding in problem solving skills, data structures and algorithms. Experience with distributed systems handling large amounts of data. Fair understanding in coding skills in Java/J2EE, Web technologies, RDBMS/messaging.

Roles and Responsibilities Write maintainable/scalable/code Work in a cross-functional team, collaborating with peers during the entire SDLC. Follow coding standards, unit-testing, code reviews etc. Follow release cycles and commitment to deadlines. Qualifications & Experience Experience level of 3 to 6 years of experience in very large scale applications. Fair understanding in problem solving skills, data structures and algorithms. Experience with distributed systems handling large amounts of data. Fair understanding in coding skills in Java/J2EE, Web technologies, RDBMS/messaging.

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. Company Description Okta is the leading independent provider of enterprise identity. The Okta Identity Cloud enables organizations to securely connect the right people to the right technologies at the right time. With over 6,500 pre-built integrations to applications and infrastructure providers, Okta customers can easily and securely use the best technologies for their business. Over 7,950 organizations, including 20th Century Fox, JetBlue, Nordstrom, Slack, Teach for America, and Twilio, trust Okta to help protect the identities of their workforces and customers. Position Description We are seeking an experienced Senior Software Engineer to play a key role in building and scaling the Okta Recovery Vault (ORV) . This team is responsible for Okta's enterprise-grade soft-delete and object recovery capability, designed to protect critical identity objects (Users and Groups) from accidental or malicious deletion. As a Senior Engineer, you will own the technical design, implementation, and operational reliability of critical components within our real-time, high-fidelity recovery system. You will solve complex engineering problems around identity preservation (UUIDs) and relationship restoration—including group memberships, app assignments, and password hashes—ensuring our customers can seamlessly recover from data loss events. Job Duties and Responsibilities Feature Execution: Drive the technical design and end-to-end implementation of complex features, such a

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. Company Description Okta is the leading independent provider of enterprise identity. The Okta Identity Cloud enables organizations to securely connect the right people to the right technologies at the right time. With over 6,500 pre-built integrations to applications and infrastructure providers, Okta customers can easily and securely use the best technologies for their business. Over 7,950 organizations, including 20th Century Fox, JetBlue, Nordstrom, Slack, Teach for America, and Twilio, trust Okta to help protect the identities of their workforces and customers. Position Description We are seeking an experienced Senior Software Engineer to play a key role in building and scaling the Okta Recovery Vault (ORV) . This team is responsible for Okta's enterprise-grade soft-delete and object recovery capability, designed to protect critical identity objects (Users and Groups) from accidental or malicious deletion. As a Senior Engineer, you will own the technical design, implementation, and operational reliability of critical components within our real-time, high-fidelity recovery system. You will solve complex engineering problems around identity preservation (UUIDs) and relationship restoration—including group memberships, app assignments, and password hashes—ensuring our customers can seamlessly recover from data loss events. Job Duties and Responsibilities Feature Execution: Drive the technical design and end-to-end implementation of complex features, such a

At Jamf, we believe in an open, flexible culture based on respect and trust. Our track record and thriving work environment all stem from the freedom we grant ourselves to get the job done right. We take pride in helping tens of thousands of customers around the globe succeed with Apple. The secret to our success lies in our connectivity, while operating with a high degree of flexibility. Work-life balance remains our priority while feeling connected is important to maintain our strong culture, achieve our goals, and thrive as #OneJamf. This role is offered as a hybrid role from London, the United Kingdom. We are only able to accept applications from those based in the UK or who have sponsorship to live and work in the UK. #LI-Hybrid What you’ll do at Jamf : &

Reolink , a leader in intelligent visual technology for homes and businesses, was founded in 2009 by a group of engineers with a strong commitment to and passion for smarter security solutions. Our products are now trusted by millions of users across more than 110 countries and regions worldwide. Building on this trust, we continue expanding our presence and bringing our innovations to more markets around the globe. Reolink remains committed to delivering advanced, reliable, and user‑centric solutions that empower people to protect what matters most. 5 Work Days Per Week Current Office Near to Kaki Bukit MRT, Singapore Will Relocate to Tai Seng MRT in September 2026 Medical & Dental Benefits Provided Entitled to Yearly Bonus & Performance Bonus **Current Application & Web App are Java Programming** Job Requirements Bachelor's or Master's Degree in Computer Science, Software Engineering , or a related technical discipline At least 3 years of software development experience in JAVA Programming is preferable for this post Strong understanding of computer science fundamentals (operating systems, network principles, data structures, and algorithms) Programming Languages: High proficiency in Java (including JVM internals and performance tuning) or Node.js (including its event-driven architecture and asynchronous programming model). Proficiency in both is a significant plus. Frameworks & Middleware: Proficient with common open-source frameworks and tools such as Kafka, RocketMQ, Dubbo, Zookeeper, and Redis. Deep knowledge of MySQL , including schema design, SQL optimization, and database scaling strategies. System Experience: Proven, hands-on experience in building, deploying, and maintaining high-concurrency, high-performance, and high-availability systems. Job Responsibilities ( Senior Backend Engineer) Design & Development Take ownership of the design, development, refactoring, and performance opt

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

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 Join our Fusion product team and help redefine how enterprises use storage. Pure Fusion is an industry-first autonomous storage delivery platform that brings cloud-like agility to enterprise environments by unifying fleets of Pure arrays into a consistent, policy-driven experience. Through a single, integrated control plane, customers can provision and manage storage across their environment - reducing manual complexity, improving consistency, and freeing teams to focus on innovation. As part of the team, you’ll build the distributed systems, APIs, automation, and intelligent services that make this experience possible. You’ll help turn storage into an on-demand, self-service resource that is easier to deploy, scale, and manage across FlashArray, FlashBlade, and Pure Storage Cloud. This is an opportunity to solve challenging problems at the intersection of cloud infrastructure, data, and automation. And to shape a platform that is changing how modern businesses manage data. WHAT YOU'LL DO Develop resilient distributed control systems that support reliable service delivery at scale. Create and maintain API libraries that enable consistent integration across the platform. Design and build declarative, intent-based policy management engines. Implement scalable transactional processing for complex, distributed environments. Integrate platform capabilities with products such as FlashArray, FlashBlade, and Pure1. Collab

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

Where Performance Meets Purpose Join a team that values excellence and innovation, at a company known for its iconic golf brands. At Acushnet Company, your background and experience contribute to creating the best products for dedicated golfers worldwide. Here, your performance has purpose. What You Will Be Doing Partner with business stakeholders, technology leaders, development teams, and vendors to define technology roadmaps, assess platforms, and design scalable, secure, and reliable commerce architectures aligned with business objectives. Lead the architecture and delivery of complex B2B and B2B2C commerce solutions, including integrations with ERP, CRM, PIM, and other enterprise systems, while ensuring adherence to enterprise standards and best practices. Provide technical leadership across the software development lifecycle through solution design, architecture reviews, code reviews, and governance. Maintain a hands-on role in application development and support while mentoring teams on engineering standards and platform optimization. Evaluate emerging technologies, lead proof-of-concept initiatives, and serve as a trusted advisor to business and IT stakeholders, driving innovation, modernization, and operational excellence. What You Bring Bachelor’s degree in Computer Science, Information Systems, or a related technical discipline. 10+ years of progressive experience in enterprise applications, digital commerce, solution architecture, software engineering, or related technical fields, including experience leading architecture strategy, platform modernization initiatives, and large-scale global technology programs. Deep expertise with SAP Commerce Cloud (Hybris), including platform