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Spain

  • Develop and maintain high-performing backend services using Java, Spring Boot, and Apache Kafka.
  • Participate in a mandatory 24/7 on-call rotation on a weekly basis every 3 to 4 months.
  • Collaborate within a multicultural team on international projects in the banking industry.

Java Spring Boot Apache Kafka Microservices Agile

20 jobs similar to Senior Java/Kafka Developer

Jobs ranked by similarity.

Poland

  • Design and implement high-performance microservices in Java/Spring Boot and maintain event-driven integrations using Apache Kafka.
  • Take full ownership of features end-to-end, work directly with business stakeholders, and write clear technical documentation.
  • Mentor team members, hold the bar on code quality through reviews and CI/CD, and proactively address technical debt.

InPost Group is an innovative European out of home deliveries company, revolutionizing parcel delivery through intelligent lockers. With over 10,000 employees worldwide and a market capitalization of about $5 billion, it is one of the largest out of home delivery providers in Europe, committed to sustainable and efficient solutions.

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.

Global 4w PTO

  • Design, build, and maintain streaming data solutions based on Apache Kafka and related technologies.
  • Build and maintain data pipelines using Apache Kafka, including topics, partitions, and consumer group tuning.
  • Write and maintain unit and integration tests for streaming topologies.

GR8 Tech builds B2B iGaming platforms for operators who play to lead. With 1000+ employees across multiple time zones, they foster a culture of trust, ownership, and growth.

Global

  • Build scalable high load systems using Java and Spring, processing massive data streams exceeding 1TB daily.
  • Work extensively with big data, adapting products to handle hundreds of millions of records per day.
  • Improve system reliability, test coverage, and manage full lifecycle from design to monitoring and maintenance.

SplitMetrics offers an ecosystem of products and services that serve as a growth engine for top mobile-first businesses globally. With a remote-first culture across 20+ countries, they've processed over $1 billion in ad spend and have been an industry leader for nearly a decade.

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.

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.

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.

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.

Europe

  • Build and deliver backend features within existing Java/Spring Boot services.
  • Understand and navigate a large, existing enterprise codebase.
  • Diagnose and resolve production issues.

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

Brazil

  • Lead design and development of scalable cloud-based solutions using Java 17+, Spring Boot, and AWS.
  • Structure technical refinements and build RESTful APIs in a microservices architecture.
  • Integrate systems with message brokers like Kafka or RabbitMQ and ensure quality via automated tests and code reviews.

CI&T helps large enterprises transform AI potential into real business impact with AI deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience and 8,000 employees across 25 countries, they accelerate innovation in Agentic SDLC, Application modernization, Data & AI, Martech, and Business strategy.

Europe

  • Design, build, and operate core billing platform services that scale to millions of users.
  • Implement new features and improve existing services using AWS, Kafka, and REST APIs.
  • Troubleshoot operational issues and enhance troubleshooting procedures and tools.

Twilio is a cloud communications platform that enables businesses to engage with customers through messaging, voice, and video. With hundreds of thousands of customers and a remote-first culture, they foster a global, inclusive environment where diverse teams collaborate to innovate.

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.

Brazil

  • Design and maintain enterprise applications using Java 17+ and Spring Boot in a microservices architecture.
  • Develop and enhance high-performance solutions with automated testing and code reviews.
  • Integrate systems using cloud and on-premise applications, including message brokers like Kafka or RabbitMQ.

CI&T helps large enterprises transform AI potential into business impact with tech-integrated solutions. With 8,000 employees across over 25 countries, they foster a collaborative, innovative, and multicultural 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.

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.

US

  • Design, develop, test, and deploy Java-based applications using Spring Boot, Angular, and microservices.
  • Build and maintain RESTful APIs and integrate with Oracle databases on Microsoft Azure.
  • Collaborate with cross-functional teams in code reviews and troubleshooting across the full stack.

Tier One Technologies provides IT solutions and staffing, often supporting US Government clients. They seek experienced developers for contract-to-hire roles, emphasizing remote collaboration and security clearance.

Germany France Switzerland 6w PTO

  • Develop backend features within existing Java/Spring Boot services.
  • Understand and work within a large existing codebase.
  • Fix production issues and implement small enhancements.

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

Latin America

  • Design, develop, and maintain backend services using Java and Spring Boot, following microservices architecture patterns.
  • Deploy, operate, and troubleshoot services on AWS, working with compute, managed databases, storage, messaging, and observability tooling.
  • Lead code reviews, enforce coding standards, and mentor mid- and junior engineers on backend and cloud best practices.

Nortal is a global technology company that delivers digital transformation solutions for enterprises and public sector organizations. With over 25 years of experience, they are at the forefront of AI-driven transformation, and their Latin America remote team fosters a close-knit community with autonomy and open communication.

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.

Global

  • Design and implement a scalable event-driven communications platform for high-load multi-channel delivery.
  • Build highly reliable and fault-tolerant message delivery systems ensuring delivery continuity.
  • Manage large-scale real-time event processing pipelines and implement provider failover strategies.

Sigma Software is building a high-load multi-channel communications platform for an EdTech company, delivering critical notifications to millions of users. They offer a remote, international engineering environment with opportunities to influence architectural decisions and collaborate with experienced teams on modern cloud-native solutions.