Source Job

UK

  • Design, build and maintain scalable, secure and resilient backend systems using modern Java and the Spring ecosystem.
  • Lead technical design, mentor engineers, and champion engineering excellence through clean code, testing, and automation.
  • Collaborate with cross-functional teams to deliver high-quality software that creates measurable business impact.

Java Spring Boot REST APIs Microservices Docker

20 jobs similar to Senior Software Engineer (Java)

Jobs ranked by similarity.

Europe

  • Design, build and maintain scalable backend systems using modern Java, Node.js and AWS.
  • Lead technical design and architectural discussions to ensure maintainable, performant solutions.
  • Mentor engineers and drive engineering excellence through testing, documentation and code reviews.

CreateFuture builds scalable, secure software for clients, focusing on Java, Node.js, and AWS. They offer a supportive and friendly culture with flexible working and investment in growth.

Brazil

  • Develop and evolve complex backend solutions in production microservices, transforming business requirements into scalable and sustainable architectures.
  • Collaborate with architects, tech leads, and product teams to design BFFs and integrations, actively participating in code reviews and best practices.
  • Investigate production issues, identify root causes, and propose architectural improvements while acting as a technical reference for junior and mid-level developers.

CI&T helps large companies turn AI potential into real business impact through AI deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience and 8,000 CI&Ters across 25+ countries, the company fosters a collaborative culture where AI is embedded in daily work.

US

  • Design, develop, and maintain secure, scalable backend services and RESTful APIs using Java, Spring Boot, and SQL.
  • Collaborate with architects, frontend developers, QA, DevSecOps, and product teams within an Agile environment.
  • Optimize backend performance, reliability, and observability across application environments.

VetsEZ is a technology consulting firm that supports federal government healthcare modernization projects. They offer a collaborative, Agile-driven culture with training opportunities and a focus on mission-critical applications.

US

  • Design, develop, and maintain features for the FinTech application using Java 21 and Spring Boot 3.x.
  • Collaborate with senior engineers and Product Managers to deliver high-quality software solutions.
  • Write unit and integration tests to ensure quality and stability of the codebase.

NationsBenefits is a Healthcare Fintech company that provides supplemental benefits and member engagement solutions to managed care organizations. It is recognized as a fast-growing company with a collaborative, compliance-focused culture and opportunities for advancement.

Global

  • Design and implement high-performance, fault-tolerant connector integrations and distributed microservices for a multi-tenant SaaS platform.
  • Drive technical decisions, mentor junior engineers, and champion best practices including code reviews, testing, and observability.
  • Collaborate with Product, DevOps, and SRE teams to deliver features, resolve production incidents, and improve platform reliability.

Jitterbit automates and orchestrates business systems through a unified AI-infused low-code platform for integration, orchestration, automation, and app development. The company is a growing leader in the iPaaS space with a flexible, remote-friendly culture and a mission-driven team.

US

  • Design, build, and maintain Java-based backend services using Spring Boot or similar frameworks.
  • Develop scalable integrations with Salesforce and other internal/external systems.
  • Participate in architecture discussions, write high-quality code, and troubleshoot complex issues.

Fanatics is building a leading global digital sports platform, offering products and services across commerce, collectibles, and betting & gaming. With over 22,000 employees, the company is committed to enhancing the fan experience and delighting sports fans globally.

Canada

  • Design, develop, and maintain RESTful APIs for seamless customer integration.
  • Proactively manage technical debt and optimize system architecture for stability and performance.
  • Participate in code reviews, knowledge sharing, and drive the full lifecycle of small feature development.

Megaport is the global leader in Network as a Service (NaaS), transforming the way businesses connect to the cloud, data centers, and each other. We're a publicly listed company with over 600 people across Asia-Pacific, Europe, and the Americas, and a culture that's collaborative, supportive, and fun.

Global Unlimited PTO

  • Design and develop scalable, high-performance backend services using Java and AWS technologies.
  • Collaborate with cross-functional teams to define technical requirements and ensure smooth integration across the platform.
  • Optimize existing services for performance, reliability, and maintainability while mentoring junior team members.

Oscilar builds the most advanced AI Risk Decisioning Platform for banks, fintechs, and digital native organizations to manage fraud, credit, and compliance risk. The team includes industry veterans from Meta, Uber, Citi, and Confluent, with over 50% of the company in Engineering and Product, fostering a mission-driven culture.

Global

  • Design, develop, and maintain backend services, APIs, and data integration layers that power key product features.
  • Author design documents and drive technical leadership across the domain to ensure scalable, reliable microservices.
  • Mentor junior and mid-level engineers while collaborating cross-functionally with global teams.

Tala is an AI-native credit infrastructure company that connects global capital to the global majority, using proprietary risk intelligence to power credit access at scale. The company has distributed over $9 billion to more than 14 million customers and has been recognized by Fortune, CNBC, and Forbes.

$4,000–$5,000/mo
Ukraine 4w PTO

  • Work on product features and impact customer experience
  • Develop and maintain a Java Spring-based platform for a quickly scaling business
  • Collaborate with a distributed team of highly skilled engineers

The company is a fintech/proptech product scale-up with a distributed international team. They focus on challenging tasks and skill development for top performers.

$79,781–$116,347/yr
Global Unlimited PTO

  • Design, develop, and maintain scalable, high-performance, low-latency backend services using Java and AWS in a distributed environment.
  • Collaborate with product, frontend, and QA teams while optimizing services for performance, reliability, and scalability.
  • Drive engineering best practices, CI/CD, observability, and technical mentorship across the team.

A global AI-powered SaaS platform improving the safety of online transactions through distributed systems and real-time data. Remote-first, engineering-led, and AI-first culture with emphasis on learning and collaboration.

$125,000–$156,300/yr
US

  • Work closely with the architecture team to drive complex system design.
  • Perform code reviews and mentor the development team with best practices.
  • Design, build and maintain highly sustainable systems to support business applications.

Natera is a global leader in cell-free DNA testing dedicated to oncology, women’s health, and organ health. The team consists of highly dedicated professionals from world-class institutions who care deeply for our work and each other.

US

  • Set technical direction and own architecture for major services and integrations within Internal Platforms.
  • Design, build, and maintain Java-based backend services that are scalable, resilient, and well-tested.
  • Mentor engineers, partner with cross-functional teams, and drive predictable delivery for complex initiatives.

Fanatics builds a leading global digital sports platform for commerce, collectibles, and betting & gaming. With over 22,000 employees, it is committed to enhancing the fan experience and delighting sports fans globally.

Europe

  • Work on business-critical systems for parcel creation and major initiatives across InPost.
  • Own the full development lifecycle: from architecture design to deployment and testing.
  • Build event-driven microservices using Java 21, Spring Boot, Kafka, and Hexagonal Architecture.

InPost Group is an innovative European out of home deliveries company, revolutionizing the way parcels are delivered to customers. With over 10,000 people worldwide, it is one of the largest out of home delivery providers in Europe, committed to sustainable and efficient delivery solutions.

$130,000–$170,000/yr
US

  • Design and implement core platform features for IoT device management and DER integration.
  • Drive migration from monolith to microservices, including API development and data modeling.
  • Mentor engineers and collaborate cross-functionally to deliver scalable, high-quality solutions.

EnergyHub empowers utilities and their customers to create a clean, distributed energy future by turning smart thermostats, EVs, batteries, and other devices into virtual power plants. The company offers a collaborative, flexible culture with a focus on climate impact, growth, and employee wellbeing.

US

  • Design and develop full-stack payment modernization solutions using Java, Spring Boot, Kafka, and React.
  • Apply domain-driven design and own identity, cloud, and performance engineering for card network integration.
  • Drive testing, CI/CD, and collaborate across teams in a large matrixed program environment.

Kunai builds full-stack technology solutions for banks, credit and payment networks, infrastructure providers, and their customers. With over 20 years of success, the company fosters a culture of collaboration, creativity, and continuous learning.

Global

  • Implement software components according to design specifications and perform system integration, testing, and troubleshooting.
  • Participate in estimating project efforts, collaborate with stakeholders, and provide technical input into product roadmaps.
  • Support and optimize CI/CD processes and take part in triage activities for incident analysis and prioritization.

Miratech is a global IT services and consulting company that helps enterprises with digital transformation. The company retains nearly 1000 full-time professionals and fosters a culture of Relentless Performance with a 99% project success rate.

Poland

  • Design, develop, and maintain scalable backend services using Spring Boot and REST APIs.
  • Build responsive and user-friendly frontend components using React and modern JavaScript.
  • Collaborate with cross-functional teams, participate in code reviews, and troubleshoot production issues.

TD SYNNEX is a Fortune 500 global technology distributor operating in over 100 countries, connecting vendors with partners and customers. With over 22,000 employees, we support large-scale digital platforms and value diversity and inclusion.

US Unlimited PTO

  • Participate in all phases of Agile methodology including planning, grooming, and coding sprint items.
  • Build and maintain configuration and business logic rule documentation, and assist team members through coaching and mentoring.
  • Develop microservice cloud applications and RESTful services while tuning SQL statements and promoting good coding practices.

Kobie delivers market-leading, end-to-end loyalty solutions for the world’s most recognized brands, using a strategy-led technology approach to build emotional connections with consumers. Named a Top Workplace in the USA and a remote-first company, Kobie fosters a collaborative, growth-focused culture where teammates are empowered to bring their authentic selves to work.

Spain

  • Design, develop, and maintain backend services using Java and Spring Boot.
  • Implement and consume REST APIs and deploy applications on OpenShift.
  • Collaborate with frontend teams using Angular and participate in code reviews and CI activities.

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries, we are committed to delivering impactful, future-ready solutions.