senior software engineer java kotlin

Inteca to software house specjalizujący się w projektowaniu i rozwoju złożonych systemów enterprise. Tworzymy rozwiązania dla organizacji, które oczekują najwyższej jakości, bezpieczeństwa i niezawodności. Jednocześnie zmieniamy sposób, w jaki powstaje oprogramowanie. Rozwijamy PractIQ – platformę AI automatyzującą proces SDLC, która...

About Us The Sports Data & Odds Engineering organization is responsible for developing, delivering, and operating a broad portfolio of products that power Sportradar's global sports data and betting ecosystem - processing millions of real-time events every day for media companies, sports federations, betting operators, and consumer apps across 120...

We are looking for a Junior Java Software Engineer to join a modern, lean, self-governing engineering team that values transparency and trust, working directly with clients on a daily basis to build scalable, high-performance platforms leveraged by external customers to create paradigm-shifting applications and solutions.ResponsibilitiesCollaborate with a...

Build systems that power trade execution for millions of investors HL Tech is the technology hub of Hargreaves Lansdown, a privately owned UK financial services group trusted by approximately 2 million clients and supporting more than £172 billion in savings and investments. We are part of HL's product and engineering organisation, not an outsourcing...

We are looking for a Senior Software Engineer (Dual Backend) to design, build, and maintain high-performance internal engineering platforms and developer tooling supporting Future State Architecture initiatives. In this role, you will split your core backend responsibilities evenly between Java and Node.JS (TypeScript) while directly driving the integration...

Rate: 89 – 119 / hour (B2B) We are looking for a skilled Java Engineer to join Flix on a freelance/service agreement basis (B2B contract). This is a contractor engagement to work on impactful, hands-on challenges in the domain of financial technology.Rate: 89 – 119 / hour (B2B) We are looking for a skilled Java Engineer to join Flix on a...

As a Java Software Engineer, you must meet the following criteria: Minimum 5 years of professional experience in Java software development Experience working with backend systems and API development Knowledge of computer networks (switching, routing, VLANs, TCP/IP, DNS, DHCP) Experience using AI-assisted development tools or agentic AI workflows Experience...

We’re the world’s leading sports technology company, at the intersection between sports, media, and betting. More than 1,700 sports federations, media outlets, betting operators, and consumer platforms across 120 countries rely on our know-how and technology to boost their business. Job Description ABOUT US: The Sports Data & Odds Engineering...

We are looking for a skilled Java Engineer to join Flix on a freelance/service agreement basis (B2B contract). This is a contractor engagement to work on impactful, hands‑on challenges in the domain o f f inanc ial t echnology .Scope of ServicesBring expertise in Java-based backend development. Work across Flix's finance technology environment to build and...

5+ years of backend Java development experienceSolid experience with the Spring Boot ecosystem, RESTful API design, and modern service-oriented architectureExperience working with KeyCloak, and good understanding of Authentication and authorisation systemsSolid understanding of SQL and working with relational databasesExperience with Docker and containerised...

Cisco Systems Poland sp. Z o.o. in Kraków is seeking a Senior Backend Engineer to lead the delivery of federation features and data-lake capabilities, from design through release and ongoing operation.You will design and build secure, high-performance distributed systems, and improve code quality through automated tests and reviews. You will analyze and...

Senior Secure Software Engineer (Go/Java) We're looking for an experienced Senior Secure Software Engineer who enjoys building modern cloud-native applications and solving complex security challenges. In this role, you'll combine software engineering expertise with modern security practices to help design, develop, and secure enterprise-grade platforms and...

Senior Secure Software Engineer (Go/Java) We're looking for an experienced Senior Secure Software Engineer who enjoys building modern cloud-native applications and solving complex security challenges. In this role, you'll combine software engineering expertise with modern security practices to help design, develop, and secure enterprise-grade platforms and...

Senior Secure Software Engineer (Go/Java) We're looking for an experienced Senior Secure Software Engineer who enjoys building modern cloud-native applications and solving complex security challenges. In this role, you'll combine software engineering expertise with modern security practices to help design, develop, and secure enterprise-grade platforms and...

Senior Secure Software Engineer (Go/Java) We're looking for an experienced Senior Secure Software Engineer who enjoys building modern cloud-native applications and solving complex security challenges. In this role, you'll combine software engineering expertise with modern security practices to help design, develop, and secure enterprise-grade platforms and...

Software Engineer, Senior We're looking for someone who brings a growth mindset and a drive to innovate, continuously learning new technologies and improving how we build software to deliver better outcomes for developers and customers. As a Java Software Engineer, you will lead the technical design, development, and maintenance of the Frameworks team's...

Jit poszukuje doświadczonego Fullstack Developera, który dołączy do zespołu pracującego nad skalowalnymi aplikacjami backendowymi i frontendowymi. Praca zdalna z terenu Polski, z okazjonalnymi wizytami w biurze w Warszawie, Poznaniu lub Krakowie. Wymaga min.5 lat doświadczenia i biegłej znajomości Kotlin i Java oraz React. Doświadczenie w...

Allegro Ltd. is hiring a junior Software Engineer to help build and maintain the internal developer platform and test environment infrastructure.You’ll work on deployment pipelines, tooling, and developer experience, collaborating with seasoned platform engineers across JVM services and cloud-native infrastructure. You’ll grow in a production...

Andersen ist ein globales Software-Engineering- und Digitalisierungsunternehmen. Du arbeitest an der Modernisierung einer geschäftskritischen Plattform für eine staatliche Aufsichtsbehörde in Warschau, Polen, mit Fokus auf Schnittstellenentwicklung und sicherer Datenverarbeitung.Du entwickelst REST- und SOAP-Schnittstellen, transformierst Daten, migrierst...

We are looking for a Senior Software Engineer (Java) ready to share, grow, and modernize the future of mortgage banking! The position is based in our friendly office in Warsaw, Poland. As a Senior software engineer (Java), you will join an agile development team delivering modern mortgage solutions for the Danish market. You will be part of a...