Source Job

Argentina

Looking for a Senior Java Developer specialized in microservices architecture and system modernization. Will design, develop, and maintain backend APIs and services using Java 21 and Spring Boot. Modularize and migrate legacy systems towards a microservices architecture.

Java Spring Boot REST API Docker Kafka

16 jobs similar to Senior Java Developer (Microservices & Modernization)

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Europe

  • Develop new and maintain existing source code of applications.
  • Work in a SCRUM team on developing and building complex application solutions for customer DTAG.
  • Implement customer’s requirements based on specification in selected object-oriented programming language into functional and user-friendly application.

Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006. They have grown to the second largest employer in the eastern part of the country with more than 3900 employees. Their goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative information and communication technology services.

Europe 6w PTO

  • You develop and scale solutions primarily with Java & Spring Boot – independently and with realistic goals.
  • Analyze existing systems and decide whether refactoring or new development is the right way to achieve the goal.
  • Design performant REST-APIs and make well-founded design decisions in various project contexts.

Public Cloud Group (PCG) helps companies modernize, secure, and future-proof their IT landscapes in the cloud. They have nearly 500 cloud experts at 21 locations within Europe and are continuing to grow.

  • Contribute to the migration of legacy COBOL applications to Java-based microservices.
  • Develop backend solutions using Java (Spring, Hibernate) and frontend with React, Angular, or similar.
  • Design, develop, test, and deploy full stack solutions in Azure Cloud.

CSCI is an award-winning information technology and financial management consulting firm founded on one simple philosophy: “Do what is right, always.”

US

  • Design, develop, and enhance backend services for a large-scale logistics platform.
  • Build and maintain Java Spring Boot microservices supporting mobile and web applications.
  • Develop cloud-native and serverless components using AWS-native services.

Davis Technology Management is a successful technology company in the IT staffing, Technology Consulting and IT Managed Services sector. They focus on crafting technical and staffing solutions that empower businesses and foster growth, exceeding expectations and creating RAVING FANS both within their internal team and amongst their clients.

$100,000–$140,000/yr
US Unlimited PTO

  • Build and maintain secure, high-traffic backend services supporting critical Veteran-facing features.
  • Modernize legacy components, develop and refine REST APIs, and support identity and access workflows.
  • Integrate with VA enterprise systems, troubleshoot backend issues, and collaborate with partners to deliver scalable functionality.

Wilcore believes that the best products are built when companies understand and value the things they are working on.

Europe

  • Writing well designed, reusable, testable and secure code by applying best software development practices
  • Designing and implementing low-latency, high-availability and performant applications
  • Architecting well defined APIs for user facing elements developed by front end developers

Dataroid is an award-winning digital analytics and customer engagement platform empowering leading brands to enhance customer experience. As Turkey's fastest-growing data analytics platform, they embrace challenges and explore new technologies with over 120 million users.

South America

  • Develop and evolve scalable solutions using Java and Spring.
  • Collaborate with multidisciplinary teams in defining and delivering technical solutions.
  • Contribute to the quality of deliverables, supporting problem resolution and ensuring good development practices.

CI&T unites human expertise and AI to create scalable tech solutions, partnering with over 1,000 clients in its 30-year history.

  • Design and implement services and APIs with Java 17+ (Spring Boot) and build modern frontends with Angular 19+ and TypeScript.
  • Lead the evolution of existing platforms by refactoring legacy code and improving performance, reliability, security, and developer experience.
  • Define technical standards and best practices, including coding, testing, CI/CD, and observability, while conducting code and design reviews.

Allata is a global consulting and technology services firm with offices in the US, India, and Argentina.

India 5w PTO 2w paternity

Design, develop, and maintain backend services in Java using Spring Boot and related frameworks. Build scalable and performant microservices for SaaS applications. Collaborate with frontend engineers, product managers, and stakeholders to deliver high-quality features.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements.

US

  • Measure and optimize the performance, scalability, and uptime of backend services
  • Conduct design and code reviews and push the bar for engineering rigor and standards
  • Collaborate with product management, customer success, and customer support to deliver the best experience for our users

Branch empowers workers with financial freedom by helping companies accelerate payments and providing working Americans with accessible, free financial services. They value a diversity of opinions and working styles, fostering a shared belief in innovation and initiative.

India

  • Facilitate effective communication with client project stakeholders regarding project status and recommendations.
  • Craft client code that is not just efficient, but also performant, testable, scalable, secure, and of the highest quality.
  • Collaborate with cross-functional teams, such as product managers, designers, and other engineers, to ensure that technical decisions align with project goals and timelines.

3PILLAR GLOBAL builds breakthrough software products that power digital businesses. They are an innovative product development partner whose solutions drive rapid revenue, market share, and customer growth.

Brazil

  • Collaborate with cross-functional teams to identify software requirements.
  • Write clean, efficient, and maintainable code following best practices and coding standards.
  • Develop software solutions using Agile methodologies.

CI&T specializes in technological transformation, uniting human expertise with AI to create scalable tech solutions. With over 8,000 CI&Ters around the world, they have partnered with more than 1,000 clients during their 30 years of history.

US Unlimited PTO

Participate in all aspects of agile software development, including design, implementation, and deployment. Engage with functional SMEs, frontend developers, and business to develop API first systems. Ensure application performance, uptime, and scale, and maintain high standards for code quality and application design.

Sagent is transforming the mortgage servicing industry by bringing the modern experience customers now expect from loan originations to loan servicing.

2w PTO

  • Develop microservices under good practices and decoupled architectures.
  • Design, build and consume RESTful APIs.
  • Integrate internal systems and third-party services.

In Tekton Labs we are looking for a Backend Developer (.Net and Java Spring Boot) for a global project in the financial sector.

Brazil

  • Compreender as necessidades técnicas do projeto, participando ativamente de inceptions e refinamentos técnicos;
  • Propor e implementar soluções que utilizem GenIA para otimizar operações e processos;
  • Contribuir para o desenvolvimento e evolução de soluções escaláveis e de alta performance;

CI&T specializes in technological transformation, uniting human expertise with AI to create scalable tech solutions. With over 8,000 CI&Ters worldwide, they have partnered with more than 1,000 clients throughout their 30-year history, and are focusing on AI.

Tech Lead

Real
US Canada India

  • Collaborate with other engineers through pairing sessions and code reviews.
  • Mentor and lead junior engineers in software engineering methodology.
  • Work with the product team to understand requirements through to execution.

Real is a fast-growing global real estate brokerage powered by technology. Since 2014, they've been reimagining the residential real estate experience with operations across the U.S., Canada, and India, empowering agents and simplifying the buying and selling journey.