senior software engineer- java

- Strong experience with Java 11/17+ - Spring Boot / Spring Framework - REST APIs and Microservices - JPA/Hibernate - Maven or Gradle - REST/SOAP integrations - Kafka or similar messaging platforms - Event-driven architecture - Oracle Database and strong SQL skills - Experience with distributed, highly available systems - Agile/Scrum experience - Experience...

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. As a Senior Software Engineer, you will join our Kraków-based team to work on evergreening legacy Java applications and supporting production systems. You will build modern Java microservices, improve observability and reliability, and use AI-driven tools...

Wspólnie z naszym Partnerem, liderem branży nowych technologii i automatyzacji sieci, poszukujemy doświadczonego/ej specjalisty/ki do realizacji projektów jako Senior Fullatack Engineer (Java + React). Będziesz świadczyć usługi w projekcie Network Cloud, który obejmuje rozwój nowoczesnego oprogramowania do automatyzacji, konfiguracji,...

Nigel Frank International is seeking a Senior Integration Engineer - HR Systems to design, build and operate integrations connecting HR platforms, enterprise apps and third-party SaaS solutions. You will own end-to-end projects from requirements through deployment and production support.You’ll implement secure data exchanges, REST/SOAP integrations, and...

Addepar, a global data and AI platform, is seeking a Senior Software Engineer in Warsaw to build and maintain systems that authenticate users and enable self-service configuration. You will work on the identity platform across login, MFA, and admin tools used by client teams and end-clients.Collaborate with product, design, and engineering to ensure...

Expenti is seeking a Backend Java Software Engineer on a 1 year contract. The role is fully remote with occasional travel to Málaga, Spain. You will design, build and maintain scalable backend services in Java 17+ and Spring Boot, focusing on high‑volume iGaming integrations and robust APIs.You’ll work with Product, Architecture and Quality teams to...

Emporix is seeking a skilled Java Developer to join our team in Poland. You will build secure, scalable backend systems using Java with Spring Boot or Micronaut, design microservices, and deploy on Google Cloud Platform with Kubernetes to deliver high‑performing services.You will collaborate with frontend teams and architects, apply OWASP security...

We are looking for a Senior AI & Agentic Systems Engineer (Java) to join our team at EPAM Systems in Poland.This is a unique opportunity to work at the intersection of enterprise Java development and cutting-edge AI. We are looking for engineers who bring a strong backend foundation and a genuine passion for building intelligent, autonomous systems powered...

BEC, a financial technology company delivering IT solutions for Danish banks, seeks a Senior Software Engineer (Java) to join the Customer Rating & Analytics team in Warsaw. You will help drive the data tech transformation, build new data products, and evolve an overdraft management solution.The role is co-located with the team in Roskilde and Warsaw, with...

A leading tech company is seeking a Senior Software Engineer in Poland to join their Data Breach Response Engineering team. The role involves architecting and developing model-based applications, leading best practice technical designs, and guiding product improvements in collaboration with teams. Applicants should have 5+ years of software development...

Net2Source (N2S) in Warsaw offers a hybrid role (3 days in office) for a Specialist with 5–7 years experience in Java frameworks to design and develop scalable microservices based applications. The position requires Core Java, multi-threading, data structures, Kafka, Kubernetes, AWS, gRPC and ideally banking domain experience.You will lead development of...

Capgemini Polska is seeking a Senior Java backend developer to design and build scalable backend systems using Java and the Spring ecosystem. You will focus on microservices, high performance, and code quality while collaborating with DevOps on cloud infrastructure.You will work across REST APIs, memory management, GC tuning, and modern Java features,...

Sabre Polska Sp. z o.o. in Kraków is seeking a mid to senior Java engineer for building scalable microservices and secure, cloud-native applications. You will drive design, testing, and CI/CD, ensuring performance and reliability across Sabre's identity and authentication stack.You’ll collaborate with product teams, security leads, and SREs to modernize...

BCF Consulting Services is seeking an experienced Java and Kotlin developer to work in Wrocław, Poland. The ideal candidate should have over 3 years of experience in software development, particularly in Java and Kotlin, and be skilled in Python, AWS, and Docker.Your role will include the development of applications in a microservices architecture,...

DataWalk, a high-tech software product company in Poland, is seeking a Senior Full-Stack Developer (Java and Angular). This remote role involves architecting and delivering powerful analytical capabilities and collaboration tools. Applicants should have over 5 years of software development experience, deep proficiency in Java (Spring Boot), TypeScript,...

BCF.CS is a bright consulting company with ambitious projects. We are looking for a Java Developer who can contribute across the software development lifecycle, from concept to testing and deployment.You will build Java-based components and interfaces, work with relational and NoSQL databases, and design integrations with external systems to deliver...

ZS is a place where passion changes lives. As a management consulting and technology firm focused on improving life and how we live it, we transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Here you’ll work side-by-side with a powerful collective of thinkers and experts...

Strong experience in Java and Spring Boot, including Spring Batch and Spring Cloud, and building microservices.Proficiency in REST API and GraphQL schema design.Experience with NoSQL data modelling, such as Azure Cosmos DB; data streaming, such as Confluent Kafka; and authentication/authorization protocols, including OAuth 2.0 and Microsoft Entra...

🔥Become a Luxoft employee🔥 Our Benefits: 💰Paid Referrals 💻Equipment: laptop and monitor 🩺Private Medical & Dental care & Life Insurance covered 🏋🏽 ♀️ MyBenefit program (sports card, well-being program etc.) 🌎 Internal Mobility program - possibility of rotation between projects, locations, accounts 🎓 LuxTalent platform...

Do naszego zespołu technologicznego poszukujemy Senior Java Software Engineer'a, który dołączy do realizacji innowacyjnych projektów. Będziesz odpowiedzialny za rozwój i utrzymanie aplikacji, optymalizację kodu oraz współpracę z zespołem w celu dostarczania rozwiązań najwyższej jakości Zadanie, które na Ciebie czekają: Projektowanie,...