Source Job

Global

  • Design, develop, and maintain scalable applications using Java and modern frontend technologies
  • Lead by example and mentor a development team while continuously improving engineering practices
  • Drive technical discussions and contribute to architecture decisions

Java Spring Spring Boot Hibernate React.js

20 jobs similar to Middle Java Full Stack Developer

Jobs ranked by similarity.

US

  • Develop and modernize legacy codebases to Spring Boot as the subject matter expert.
  • Collaborate with an Agile team using strong communication skills to convey technical ideas.
  • Utilize AI tools pragmatically to optimize development workflows and troubleshoot issues.

We Write Code is a software development company specializing in custom software solutions. They are a small to mid-sized team focused on modernizing legacy codebases with modern frameworks like Spring Boot.

  • Lead the design, development, and implementation of large-scale, complex software systems using Java and modern front-end technologies.
  • Collaborate with architects, business analysts, and development teams to deliver scalable, secure, and high-performing enterprise applications.
  • Optimize application performance, database queries, and system reliability while conducting code reviews and mentoring junior developers.

Canada

  • Deliver full-stack development across frontend and backend systems with clean, reliable code.
  • Lead modernization of legacy Spring MVC and JSP architecture to contemporary distributed frameworks.
  • Optimize backend performance and design secure RESTful APIs for enterprise integration.

Anovia provides telecommunications outsourcing services to Fortune 500 and Fortune 1000 companies, specializing in workflow, technical support, and multilingual services. With over 200 professionals globally, the company fosters a close-knit technical team focused on system reliability and modernization.

$105,000–$115,000/yr
US

  • Drive system design and architecture decisions for scalability, performance, and maintainability.
  • Design and develop applications across backend (Java, Spring Boot, APIs), frontend (React/Angular), and database (PostgreSQL).
  • Conduct regular code reviews and enforce standards to ensure performance, security, and maintainability.

Mind Computing is a technology company that provides software solutions and support for government projects, including the Department of Veterans Affairs. They seek a full-time, 100% remote Senior Full Stack Java Developer to join their team in an Agile environment.

Global

  • Implement software components according to design specifications and perform system integration and testing.
  • Perform unit testing, participate in estimating project efforts, and collaborate with stakeholders.
  • Support and optimize CI/CD processes and provide technical input into product roadmaps.

Miratech is a global IT services and consulting company that helps visionaries change the world by supporting digital transformation for large enterprises. The company retains nearly 1000 full-time professionals, operates in over 25 countries, and has a culture of Relentless Performance with a 99% project success rate.

Hungary

  • Develop software solutions and ensure operational stability within an agile project setup.
  • Coordinate with business units, analyze requirement documents, and resolve production issues.
  • Contribute to the implementation of new business and IT initiatives with modern technologies.

Deutsche Telekom IT Solutions is a subsidiary of Deutsche Telekom Group, providing IT and telecommunications services. They are the largest ICT employer in Hungary with over 5000 employees and have been recognized as one of the most attractive workplaces.

Global

  • Design and develop scalable microservices and RESTful APIs using Java and Spring Boot.
  • Build backend systems supporting dynamic call routing, queue management, and config-driven workflows.
  • Collaborate with UI teams to power self-service interfaces for business users on Amazon Connect.

Miratech is a global IT services and consulting company that helps visionaries change the world through digital transformation. Retaining nearly 1,000 full-time professionals with a culture of Relentless Performance and a 99% project success rate, the company operates across 5 continents and 25 countries.

US

  • Design scalable systems and validate AI-assisted code to drive technical excellence across the team.
  • Collaborate with engineers through pairing, code reviews, and knowledge sharing in weekly Friday Dev Chats.
  • Mentor junior engineers and work with product team to execute features from requirements to deployment.

Real (Nasdaq: REAX) is a publicly traded, fast-growing global real estate brokerage powered by technology and driven by people. With operations across the U.S., Canada, India, and the District of Columbia, the company pairs Tech x Humanity to reimagine the residential real estate experience.

Poland

  • Analyze, design, and implement backend solutions for a large-scale modernization initiative.
  • Develop and maintain applications using Java and Spring Boot, including REST APIs and microservices.
  • Collaborate in an Agile team to support migration, refactoring, and CI/CD processes.

Inetum Polska drives digital transformation for businesses and public institutions through a wide range of IT services. With over 28,000 professionals globally, the company fosters a diverse and inclusive work environment and supports employee development through training and certifications.

UK Ireland

  • Work with new and emerging technologies while earning recognized certifications through an incentivized scheme.
  • Contribute to high-impact projects that improve essential public services and infrastructure.
  • Collaborate in a fast-paced, agile environment, championing new technologies and delivering high-quality software.

Version 1 delivers technology and transformation solutions to global brands, fostering strong partnerships with leaders like Microsoft, AWS, and Oracle. With over 3,300 employees and €350m revenue, it has been a Great Place to Work in Ireland and UK for over 10 years, with a culture focused on values and employee wellbeing.

Poland

  • Drive modernization of legacy Java applications by migrating from Wildfly to Spring Boot and removing EJB/JMS components.
  • Standardize APIs using OpenAPI specifications and integrate event-driven communication via Kafka.
  • Build for the cloud with Kubernetes, automate CI/CD pipelines, and implement AI-based code review systems.

Inetum Polska is part of the global Inetum Group, driving digital transformation for businesses and public institutions with IT services. Operating in 19 countries and employing over 28,000 professionals, it fosters a diverse and inclusive work environment with a focus on employee development.

Ukraine

  • Collaborate with development team, Product Owner, and Engineering Manager on product tasks.
  • Design and implement application architecture and ensure code quality.
  • Write efficient code using Spring, microservices, and persistence frameworks.

Kyivstar.Tech is a Ukrainian hybrid IT company and a subsidiary of Kyivstar, one of Ukraine's largest telecom operators. With over 600 specialists, we drive meaningful change through innovative tech solutions in mobile, web, and high-performance systems.

India

  • Design, develop, test, and maintain scalable full-stack applications using Java, J2EE, .NET, JavaScript, and modern frontend frameworks.
  • Translate product and feature requirements into robust technical solutions while producing clean, maintainable, and well-tested code.
  • Collaborate with cross-functional engineering, product, and quality teams across global locations to deliver high-quality software releases.

The company develops innovative cloud-based software solutions for healthcare and digital technologies. It operates in a collaborative R&D environment with global teams.

Portugal

  • Design, develop, and maintain scalable backend applications using modern Java (17/21) and the Spring ecosystem
  • Own software delivery from architecture and implementation through deployment, monitoring, and production support
  • Collaborate with cross-functional teams to build resilient cloud-native applications and influence technical architecture

Pragmatike is recruiting on behalf of a leading software engineering consultancy that partners with global organizations to design, build, and scale high-performance digital products. The company delivers modern cloud-native applications and distributed systems while fostering a collaborative, engineering-first culture.

US

  • Design, develop, and maintain high-performance web platforms using Java, ReactJS, and NodeJS.
  • Collaborate with cross-functional teams in an Agile environment to drive technical decisions and project success.
  • Mentor and coach team members while continuously improving processes and technology.

SmartAsset is an online financial information platform helping consumers make smart financial decisions. The company reaches over 59 million monthly users, has been recognized on Inc. 5000 and Deloitte Fast 500, and fosters a collaborative, remote-first culture.

Europe 4w PTO

  • Design and implement complex algorithms for cellular network optimization.
  • Develop and maintain high-performance, scalable software systems using Java and modern technologies.
  • Collaborate with cross-functional teams in an AI-native engineering environment using coding agents.

5Blue Software is an Israeli-Ukrainian software development company specializing in custom software development, staff augmentation, and AI solutions. They help startups and mid-sized companies scale faster with vetted engineering talent across Europe, fostering a supportive, collaborative, and dynamic international team environment.

Hungary

  • Develop high-quality web applications with automated integrated pipelines within a Scrum team.
  • Dig deep into complex challenges and implement innovative solutions for intelligent tolling systems.
  • Contribute to operational responsibilities for services, embodying a strong DevOps culture.

Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group, providing a wide portfolio of IT and telecommunications services. With more than 5300 employees, it has been recognized as Hungary's most attractive employer in 2025 and the Most Ethical Multinational Company in 2019.

Europe 4w PTO

  • Design and implement complex algorithms for cellular network optimization.
  • Develop and maintain high-performance, scalable, and reliable full-stack software systems.
  • Collaborate with cross-functional teams to deliver cloud-edge solutions using modern CI/CD and AI coding tools.

5Blue Software is an Israeli-Ukrainian software development company specializing in custom software development, staff augmentation, and AI solutions. They help startups and mid-sized companies scale faster with vetted engineering talent across Europe, offering a supportive and collaborative international team environment.

Europe 6w PTO

  • Build and deliver backend features within existing Java/Spring Boot services.
  • Diagnose and resolve production issues and maintain REST APIs.
  • Participate in code reviews and contribute to continuous improvements.

Nagarro is a digital product engineering company that builds products, services, and experiences across all devices and digital mediums. They have 19,000+ experts across 34 countries and a dynamic, non-hierarchical work culture.

Brazil

  • Collaborate with cross-functional teams to design and implement complex backend solutions using Java Spring Boot.
  • Write maintainable, scalable code following best practices and stay up-to-date with latest frameworks.
  • Develop, test, and deploy backend solutions, providing ongoing maintenance and support documentation.

KTO is an iGaming company founded in 2018, offering online sports betting and casino entertainment with a proprietary platform. They are a rising leader in LATAM, ranked among Brazil's top 10 iGaming brands, and foster a culture of innovation, transparency, and diversity.