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.
We are an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future-ready solutions.
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.
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.
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.
Develop, test and maintain Java backend applications with clean, efficient code.
Design and implement data models, database schemas, and integrate with frontend team.
Perform code reviews, troubleshoot, debug, and deploy applications in production.
FourKites is the leader in AI-driven supply chain transformation, providing a real-time visibility platform for global enterprises. The company processes over 3.2 million supply chain events daily and serves over 1,600 global brands, fostering a collaborative and inclusive culture.
Design, develop, and scale backend systems powering payment, billing, and identity integrations.
Collaborate with product, design, and engineering peers to solve user problems around rent payment.
Own the full lifecycle of APIs from scoping to production rollout with minimal oversight.
Flex is a growth-stage FinTech company that creates the best rent payment experience, enabling users to pay rent on a schedule that fits their budget. They have strong investor backing and a growing user base, with a focus on building an inclusive culture.
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.
Own the Java client and JDBC driver end-to-end: roadmap, API design, performance, release engineering, and partner-facing support.
Drive throughput and latency improvements across the client and ClickHouse server.
Engage directly with external partners on interoperability, regressions, and roadmap alignment.
ClickHouse is a real-time analytics database company recognized on the 2025 Forbes Cloud 100 list. With over 3,000 customers and 250% year-over-year ARR growth, it is a fast-growing private cloud company on a mission to transform how companies use data.
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.
Lead the design and architecture of scalable full-stack solutions aligned with product requirements.
Drive strategic technical decisions to improve security, scalability, and performance.
Provide mentorship on best practices, design patterns, and coding standards.
Hims & Hers is a leading health and wellness platform that provides accessible and personalized healthcare through an online model. It is a public company (NYSE: HIMS) with a culture focused on customer-first, flexible work, and diversity.
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.
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.
Design large-scale data processing systems and own projects end-to-end.
Analyze and improve the efficiency, scalability, and stability of applications.
Identify and remove unnecessary complexity in data pipelines and systems.
OpenX is focused on unleashing the full economic potential of digital media companies through advertising marketplaces and technologies. The company is a high-scale, growing team that values ownership, humility, and continuous learning.
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.
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.
Design, build, and maintain full-stack payment systems using Spring Boot, React, and AWS.
Translate business requirements into scalable solutions and build REST APIs with messaging integration.
Manage database schemas, write tests, and participate in Agile sprints and code reviews.
Aperia Solutions is a fast-growing FinTech and managed consultancy building B2B accounts payable and payments platforms. You'll join a mid-size, distributed team with a collaborative culture, serving banks, processors, and government entities.
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.
Design and deliver large-scale, real-time systems with high quality, scalability, and operability.
Collaborate with product management, data engineering, and teams to bring end-to-end solutions to customers.
Take operational ownership using monitoring and observability tools to identify and respond to issues.
Signifyd helps merchants grow their businesses by building trusted relationships and providing fraud-free commerce solutions. We securely process billions of transactions annually and foster a culture of commitment, empathy, and creativity.
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.
Gain a comprehensive understanding of Insights' products to deliver correct features.
Actively participate in agile SCRUM ceremonies and contribute to delivery processes.
Design, develop, and support robust, scalable software using modern Java and AWS.
Insights provides self-awareness products that improve relationships and performance for individuals and organizations. The company fosters a culture of continuous learning, collaboration, and innovation within multi-disciplinary squads.