Java Developer Jobs

Block builds simple, powerful tools that make progress towards an economy that’s truly open to all. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we’re helping build a financial system that is open to everyone. Join us. The Role Product Platform Engineering builds and unifies the foundational systems Block engineers use to create, ship, and operate products. Within Product Platform Engineering, the Data Stores team builds the database and storage platforms that help engineering teams manage data safely, reliably, and efficiently. We are looking for a Senior Software Engineer with experience in databases and a generalist mindset. You will build new database platform capabilities, improve the systems engineers depend on every day, and work across backend services, distributed systems, cloud infrastructure, and developer tooling. This is a software engineering role for someone who enjoys going deep on database problems without being limited to one technical domain. You will ask good questions, make sound technical bets, and use AI as a native part of how you explore, build, test, and learn You Will Design, build, and operate database and storage platform software that helps Block engineers build reliable products. Build services, APIs, and developer tools that automate database provisioning, schema changes, data migrations, upgrades, and other lifecycle operations. Solve database scaling and performance problems while protecting data correctness, durability, and availability. Work across database behavior, application code, distributed system

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. There is only one Data Cloud. Snowflake's founders started from scratch and designed a data platform built for the cloud that is effective, affordable, and accessible to all data users. But it didn't stop there. They engineered Snowflake to power the Data Cloud, where thousands of organizations unlock the value of their data with near-unlimited scale, concurrency, and performance. This is our vision: a world with endless insights to tackle the challenges and opportunities of today and reveal the possibilities of tomorrow. Our product offering runs on multiple cloud providers including Amazon Web Services, Microsoft Azure and Google Cloud. Our infrastructure self-optimizes, provides high availability and data protection across cloud providers so our users can focus on using their data, not managing it. Our team is called the Cloud Provisioning team, the core underpinning of what makes Snowflake work across multiple cloud providers. We are creating an abstraction layer between each of our cloud providers and the rest of Snowflake that is optimized for Snowflake's unique needs. We balance usability, cognitive load, performance, and cost for the rest of Snowflake. We are actively hiring talented distributed systems developers. This role is a unique opportunity to make a signifi

The Application Modernization Platform (AMP) team is dedicated to solving one of the industry's biggest challenges: transforming rigid, legacy applications that suffer from poor scalability and high operating costs into modern, microservices-based architectures on MongoDB. To accelerate this transition, MongoDB is building a dedicated Platform and Infrastructure team to develop the Application Modernisation Platform and Infrastructure . As we help customers modernize their application and data ecosystems, we face the challenge of deploying complex tooling into highly restrictive client environments and architecting automated verification frameworks to ensure data equivalence. This new team will architect the platform foundation and infrastructure that enables a "build once, run anywhere" model, ensuring our AI-powered modernisation suite operates seamlessly regardless of a client's security or network constraints. We are looking for engineers to join this high-visibility initiative, where you will solve unique distributed systems puzzles and help shape the future of how global enterprises leverage data and AI. We are looking for an experienced Software Engineer who thrives on solving infrastructure constraints and building developer-centric modernisation platforms with a strong background in building software testkits/frameworks. The ideal candidate will be designing and building automated frameworks that validate functional equivalence, performance benchmarks, and data integrity. From leveraging LLMs for unit test generation to building contract testing frameworks, your work will be the safety net for the world’s largest enterprise migrations. This role will be based in our India office in Gurgaon and offers a hybrid working model. The ideal candidate for this role will have 3-4 years of commercial software development experience with at least one JVM language such as Java, preferably using the Spring ecosystem Expertise integrating Large Language Models (LLMs) int

Celonis is the trusted platform to industrialize Enterprise AI. At our core is the Celonis Context Model — which combines process data, business knowledge, and intelligence into a living digital twin of the enterprise that AI can actually understand, turning AI's operational blind spots into operational clarity. World's leading companies trust Celonis and its global ecosystem of partners to make their AI agents, people, systems, and processes work together, achieving transformational outcomes. We believe there's a massive opportunity to unlock global productivity and sustainability by giving AI the context to understand how every business process really works. Join our mission to make processes work for people, companies, and the planet. The Team Celonis USA is the fastest-growing division of one of the world’s fastest-growing companies. Come join us on the ground floor on a team dedicated to developing state-of-the-art technology for core Celonis services. The Data Core team builds an engineering team to develop the high-throughput infrastructure that powers monetization, real-time consumption tracking, dynamic entitlement enforcement, and cost optimization across the Celonis services. As our global customer base expands, our backend services process billions of telemetry and usage events daily to deliver precise, transparent, and fault-tolerant billing data in multi-cloud environments. Join us if you want to grow in your engineering knowledge, tackle complex distributed systems challenges, and leave your mark on a rapidly growing company. The Role We are looking for a senior backend developer who enjoys building resilient, low-latency, and high-throughput systems at scale. Within our Pricing service team, you will design and implement the mission-critical core engines that ingest usage telemetry, evaluate dynamic pricing models, enforce feature entitlements, and power cost analytics dashboards for enterprise customers. The work you’ll do Design and implement criti

Job Title: Tech Lead – Android + IOS - Vadodara About Us “Capco, a Wipro company, is a global technology and management consulting firm. Awarded with Consultancy of the year in the British Bank Award and has been ranked Top 100 Best Companies for Women in India 2022 by Avtar & Seramount . With our presence across 32 cities across globe, we support 100+ clients across banking, financial and Energy sectors. We are recognized for our deep transformation execution and delivery. WHY JOIN CAPCO? You will work on engaging projects with the largest international and local banks, insurance companies, payment service providers and other key players in the industry. The projects that will transform the financial services industry. MAKE AN IMPACT Innovative thinking, delivery excellence and thought leadership to help our clients transform their business. Together with our clients and industry partners, we deliver disruptive work that is changing energy and financial services. #BEYOURSELFATWORK Capco has a tolerant, open culture that values diversity, inclusivity, and creativity. CAREER ADVANCEMENT With no forced hierarchy at Capco, everyone has the opportunity to grow as we grow, taking their career into their own hands. DIVERSITY & INCLUSION We believe that diversity of people and perspective gives us a competitive advantage. Tech Lead – Mobile (Android + iOS) Experience: 8+ Years Work Mode: Hybrid (Work from Client Office) Role Overview We are looking for an experienced Tech Lead – Mobile (Android + iOS) to lead the design, development, and delivery of scalable, secure, and high-performance mobile applications. The ideal candidate will have strong hands-on expertise in either Android or iOS, along with a solid understanding of both mobile platforms. The Tech Lead will be responsible for driving mobile architecture and technical decisions, establishing engineering best practices, mentoring developers, and working closely

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 America's trusted front door to health and care. The Health100 platform integrates any participating health plan, PBM, pharmacy (retail and specialty), provider, digital health point solution provider, and employer, and addresses the top health care challenges for the consumer. The Senior Manager, Software Engineering will lead engineering teams building a best-in-class consumer health experience on the Health100 platform, focused on identifying, prioritizing, shaping, and executing complex platform initiatives. As a key member of our engineering organization, you will drive innovation, manage cross-functional teams, and deliver scalable cloud-native and AI-enabled solutions that improve consumer experiences and business outcomes. This role works within a top-notch organization of software developers who identify, design, and deliver technology solutions using Java, distributed systems, cloud platforms, and AI-powered capabilities to achieve defined business value. You will guide the integration and validation of complex technology solutions, drive engineering excellence, and leverage emerging technologies including Generative AI and intelligent automation to accelerate innovation and efficiency *Remote eligible within the United States. Preference for candidates in close proximity to our Woonsocket, RI headquarters. Resp

Who We Are: At Bandwidth , we shape how the world connects. We're the global communications software company and Tier 1 network operator with global reach. The voice, messaging, and emergency services infrastructure behind the brands and apps you use every day. Because we own the network we build on, the problems you'll solve here are bigger, more complex, and more impactful. And as communications shifts to AI, we're the infrastructure layer making it possible. We call ourselves BANDmates because building something this big takes collaboration, different perspectives, and the freedom to bring your authentic self to the table. We're experts who speak like humans. Ready to build what's next? #JoinTheBand What We Are Looking For: We're looking for a Senior Software Engineer who leads by example — someone who takes deep ownership of what they build, moves fast without cutting corners, and is genuinely excited by the challenge of designing and scaling distributed systems that millions of people depend on. You are the right candidate if you thrive with mission-focus, enjoy solving complex problems at scale, and are energized — working in an environment where AI is woven into how great engineers work every day. We don't treat AI as a future capability. It's how we build now, and we want teammates who feel the same way. What You'll Do: Own your services end-to-end — from design and development to testing, operations, and production monitoring. You build it, you run it. Create and maintain REST APIs (Java/Spring), customer-facing dashboards (React), and the cloud infrastructure (AWS) that powers the Numbers platform. Lead solutions from start to finish , collaborating across teams to iteratively ship value aligned to customer and business needs. Identify and solve scaling problems through both application development and infrastructure optimization, ensuring high availability and fault tolerance. Mentor junior and mid-level developers through productive code reviews, t

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. Staff Backend Engineer We’re redefining Privileged Access Management (PAM) from the ground up, purpose-built for Cloud, SaaS, Databases, Containers, and any virtualized environment. Our mission is to simplify and secure workforce access with seamless, secure-by-default workflows that adapt dynamically to modern infrastructure. We eliminate standing privileges, enforce least privilege, and embed Zero Trust principles into every access workflow by default. About the Role We are seeking a Staff Backend Engineer to serve as the core technical anchor and senior Individual Contributor (IC) for our newly established engineering pod in India. At the P4 level, your primary sphere of influence will be at the team level —taking ownership of complex, ambiguous problems and defining how to solve them cleanly, securely, and efficiently. In this role, you will lead by example through hands-on architecture, high-velocity coding, and end-to-end execution. You will drive the implementation of secure database and network device connectors (routers, switches, firewalls) on top of our core Zero Standing Privileges (ZSP) platform. You will work closely with our local Technical Team Lead to elevate the pod’s engineering craft, acting as a technical multiplier for mid-level developers while ensuring tight architectural alignment with our global team. What You’ll Be Doing Execution & Technical Impact End-to-End Ownership: Consistently design, code, debug, test, moni

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. The Care Automation team builds the systems and automations that power how Toast supports its customers. Our work connects the platforms, workflows, and integrations that our Customer Care Agents rely on every day to resolve issues quickly and deliver a great customer experience. We are looking for a Senior Software Engineer to join this team and help shape the future of how these teams operate. You will contribute to building a strong technical foundation that will carry Toast through the next decade and beyond. In this role, you will design, build, and own backend services and integrations spanning Salesforce, billing systems, identity verification and AI-enabled case management workflows. You will partner closely with Salesforce developers, operations stakeholders, and AI engineers to translate complex business processes into reliable, maintainable automation. A day in the life (Responsibilities) Design, build and own backend services and APIs that power workflows for Customer Care Agents and the broader Toast team Build and maintain integrations across a complex ecosystem of internal and external systems, including Salesforce, billing middleware, document management, and iPaaS workflow automation platforms Write automated tests and participate in code reviews to maintain code quality and system reliability Monitor feature rollouts, respond to incidents, and iterate based on performance data and customer feedback Partner with product, design, and cross-functional teams to define requirements and deliver on shared goals Leverage AI-augmented development tools to increase development velocity and code quality What you'll need to thrive (Requirements) Bachelor's degree in Computer Science or a related field, or equivalent practical experience 5+ years delivering production backend s

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. About the Role Okta is the identity standard. The Okta Identity Cloud is an independent and neutral platform that securely connects the right people to the right technologies at the right time. We help organizations secure and manage their extended enterprise while transforming their customers’ experiences. With thousands of global customers, 7,000+ app integrations, and over 200 million registered users, we are only getting started. As a member of the Developer Productivity Engineering team, you will tackle high-impact challenges across development environments, AI enablement for engineering, scalability, and stability. Grounded in Okta’s core value— Always Secure. Always On. —your work directly powers developer velocity, system reliability, and software quality at scale. You will act as a force multiplier for our engineering teams by identifying workflow bottlenecks, pioneering AI integrations, establishing best practices for code organization, and maintaining performant development environments. What You’ll Do Design & Automation: Build and ship automated solutions that allow developers to deliver features rapidly without compromising quality, stability, or security standards. Environment Performance & Tuning: Analyze local development workflows, build tools to track operational metrics, and profile/tune development environments (including codebase modifications). AI & Tooling Enablement: Leverage AI technologies across the development stack

About the Role We are seeking a highly skilled Senior Technical TPH Engineer / Technical Lead with strong expertise in Temenos Payment Hub (TPH) and Temenos Transact (T24) . The ideal candidate will have deep technical knowledge of payment processing, integrations, customizations, and migration projects, along with the ability to lead technical teams and engage directly with stakeholders to deliver complex banking solutions. Key Responsibilities Design, develop, and implement solutions using Temenos Payment Hub (TPH) and Temenos Transact (T24) . Lead the design and development of complex payment processing workflows including: SWIFT Payments Instant Payments Local Clearing Standing Orders Bulk Payments Build and manage TPH integrations leveraging: IF Queue Configuration IRIS Framework XML/XSLT Transformations Develop and customize T24 solutions using: Componentization Framework Java Extensibility Custom APIs and Integrations Execute and support FT to TPH migration initiatives , including analysis, design, migration, testing, and cutover activities. Perform end-to-end troubleshooting across TPH, T24, interfaces, and downstream systems. Produce technical designs, architecture documents, integration specifications, and solution approaches. Provide SIT, UAT, go-live, and production support while driving root-cause analysis and issue resolution. Review code quality, enforce development best practices, and mentor junior developers and technical teams. Collaborate with business, architecture, and client stakeholders to translate payment requirements into scalable technical solutions. Required Skills & Experience Mandatory Skills 6+ years of experience in Temenos Payments Hub (TPH) and Temenos Transact/T24 . Strong understanding of payment processing lifecycle and banking payments domain. Hands-on experience with: SWIFT Messaging Instant Payments Local Clearing Standing Orders Bulk Payment Processing Expertise in TPH integrations, interfaces, IRIS, XML, an

Location(s): Canada (Remote - East Coast preferred) Bready * to make a change? Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. Toast is driven to build a platform that helps our customers adapt, take control, and get back to what they do best: building the businesses they love. International expansion is a critical growth engine for Toast's future. Outside the US, we currently operate in Canada, UK, Ireland, and Australia and are actively growing our market share. Integration partnerships are a key part of our strategy to ensure that restaurants of all sizes can retain the parts of their tech stack outside of the Toast platform. This role is for a current vacancy. Who We Are Supporting customers software partners is a key part of international expansion strategy, and the advent of AI powered coding tools provided the opportunity to significantly reduce the development effort required to integrate with a partner. We are looking for a principal engineer to lead the development of this new way of integrating partners, while also providing additional technical leadership across our International expansion efforts. This is an exciting opportunity to develop new AI powered development systems that will provide direct impact for our customers. A day in the life (Responsibilities) Leverage cutting edge AI tools to enhance your development workflow, improve velocity, and help pioneer new approaches to building - contributing to a culture of innovation and productivity across the team. Lead fellow developers, product managers, designers, and user researchers to build a strong tech infrastructure that enables scalably integration of key customer software partners. Architect, create and maintain an AI harness for the rapid integration and maintenance of partners with Toast’s systems Define and drive technical strategy for problem

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 . Software Engineer, Data Layer As a Software Engineer on the Data Layer team within the Platform group, you'll shape the API (GraphQL) platform that connects every client application to Coinbase's backend services, handling the majority of user traffic across Consumer, Base, and Institutional products. You'll own the critical systems that route and serve API requests at scale, improving reliability, performance, and developer experience for hundreds of engineers building on this foundation layer. What you'll do: Own and deliver projects end to end, from scoping and system design through implementation, rollout, and production validation, driving measurable progress on the team's highest-priority initiatives. Design and build high-reliability, low-latency systems serving millions of users, tackling challenges like caching, upstream service optimization, and efficient connection management at scale. Build and improve the API framework and tooling that hundreds of engineers depend on, making it fast and easy for teams across the company to build, test, and ship independently. Drive operational excellence across T0 services: own SLOs, improve observability, lead incident response, and reduce operational toil so the team can invest in high-leverage work. Partner cross-functionally with product engineering teams to design API schemas, support service launches, and ens

The Application Modernization Platform (AMP) team is dedicated to solving one of the industry's biggest challenges: transforming rigid, legacy applications that suffer from poor scalability and high operating costs into modern, microservices-based architectures on MongoDB. To accelerate this transition, MongoDB is building a dedicated Platform and Infrastructure team to develop the Application Modernisation Platform and Infrastructure . As we help customers modernize their application and data ecosystems, we face the challenge of deploying complex tooling into highly restrictive client environments and architecting automated verification frameworks to ensure data equivalence. This new team will architect the platform foundation and infrastructure that enables a "build once, run anywhere" model, ensuring our AI-powered modernisation suite operates seamlessly regardless of a client's security or network constraints. We are looking for engineers to join this high-visibility initiative, where you will solve unique distributed systems puzzles and help shape the future of how global enterprises leverage data and AI. We are looking for an experienced Software Engineer who thrives on solving infrastructure constraints and building developer-centric modernisation platforms with a strong background in building software testkits/frameworks. The ideal candidate will be designing and building automated frameworks that validate functional equivalence, performance benchmarks, and data integrity. From leveraging LLMs for unit test generation to building contract testing frameworks, your work will be the safety net for the world’s largest enterprise migrations. This role will be based in our India office in Gurgaon and offers a hybrid working model. Position Expectations Contribute high-quality, well-tested code to the modernization and framework team and its surrounding services Collaborate effectively with Product Management, other engineers, and designers to build and deliver on

MongoDB is building a world-class team in India to create tooling that helps customers verify their application and data modernizations. As companies modernize their application and data ecosystems, ensuring functional equivalence and performance is paramount. The tools developed by the Modernization Testing and Verification team are critical in this journey, helping customers with automated testing, functional equivalence, and performance validation by creating frameworks for contract testing, database state-based testing, and leveraging LLMs for unit test generation. We are looking for an experienced Software Engineer with a strong background in building software testkits/frameworks. You will lead a talented team building a complex product suite using a modern stack. The ideal candidate will be designing and building automated frameworks that validate functional equivalence, performance benchmarks, and data integrity. From leveraging LLMs for unit test generation to building contract testing frameworks, your work will be the safety net for the world’s largest enterprise migrations. We are looking to speak to candidates who are based in Gurgaon for our hybrid working model. The ideal candidate for this role will have 4+ years of commercial software development experience with at least one JVM language such as Java, preferably using the Spring ecosystem Proven experience evaluating Large Language Models (OpenAI, Anthropic, open-weights, etc.) Familiarity with evaluation frameworks (DeepEval, Ragas, Promptfoo) and LLM-as-a-judge concepts Experience integrating Large Language Models (LLMs) into the developer workflow to automate unit test generation and edge-case discovery Experience curating "golden datasets," adversarial test sets, and establishing scoring rubrics to test LLM accuracy, safety, and relevance Experience building developer tools, infrastructure, or complex testing frameworks Solid experience in software architecture and development Experience in applic