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Senior Java Software Engineer – AI-Driven Modernisation (f/m/x) Miejsce pracy: Poznań Technologies we use Expected - Java - AI - LLM - GitHub Copilot - Claude Code About the project We’re building a next-generation technology team focused on modernising critical financial services through AI-first engineering. You’ll play a key role in transforming complex legacy systems into modern,...

A leading technology firm in Poznań is seeking a Senior Software Engineer to join their CFS Collaborate team. This role involves designing and building core services, working in a collaborative environment, and addressing business challenges with Java and multi-services architecture. Ideal candidates should have significant software development experience and a passion for solving real-world...

We’re looking for a Senior Backend Engineer who thinks beyond endpoints and wants real influence on how backend systems are designed and evolved.We build backend systems for mobile applications used at scale, working mostly on long-lived products, not short-term experiments. Node.Js and Java are tools we use - architecture and decision-making matter more. What you’ll do: Design and evolve...

Offer summary Position: Senior Software Engineer (Java, Typescript, AWS) Employment type: permanent contract of employment or b2b contract (after 3-month trial period) Salary gross (CoE): 18 000 – 25 000 PLN Salary net (B2B): 20 000 – 29 000 PLN Possible work locations: remote or from our office in WeWork Mennica Tower (ul. Prosta 20, Warszawa – city centre) HL Tech size: 65 people in Poland –...

Senior Java Backend Engineer Miejsce pracy: Poznań Technologies we use Expected Java Optional AWS Spring Boot About the project Are you a Java engineer who enjoys working on large scale and high performance software? Do you love working with smart people on meaningful technology? Want to work in capital markets on financial trading systems? If so, read on. The Role at a Glance •Senior Java...

A leading tech company is looking for a Middle/Senior Full Stack Engineer (Java/React.js) in Poznań, Poland. You will shape a beta-stage enterprise platform in the purchasing and supply chain domain, enhancing system reliability and performance. The ideal candidate has 5+ years of experience in building enterprise web applications, particularly with Java and React.js, and enjoys working in a...

Job Overview Are you looking to be in a workplace where colleagues inspire one another, working together to build AI software solutions? We are looking for a Senior Software Engineer to join our Relativity Data Breach Response Engineering team. Posting Type Remote Job Responsibilities - , design, and develop model-based applications - Guide product improvements across schema, framework, and...

Company Description SmartRecruiters transforms hiring for the world’s leading enterprises. We deliver an AI-powered hiring platform built for global scale, automating and optimizing the entire talent acquisition process. More than 4,000 companies, including LinkedIn, McDonald's, VISA, CD Projekt Red, Allegro rely on SmartRecruiters to build winning teams. In 2025, SmartRecruiters joined SAP, the...

Join the Java Engineering Team at a top N. American Bank This isn’t just another dev role. It’s your chance to engineer the core of global trading. We’re talking ultra-low-latency architectures, real-time market data, and automation at scale — all in an environment where milliseconds matter and billions move. You’ll work on greenfield and semi-greenfield projects, building dealer-side workflows...

Senior Software Engineer (Java / Kotlin) Miejsce pracy: Poznań Technologies we use Expected Java Kotlin About the project Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. The salary range for this position depending on the skill set is as follows (contract of employment, tax-deductible cost): -...

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. Join a team that’s redefining the future of banking! We’re looking for a Backend Engineer passionate about building innovative solutions using cutting-edge technologies. We are on a mission to become the leading Banking-as-a-Service (BaaS) provider in the UK. Our solutions are powered by...

Senior Test Automation Engineer with Java and Kafka Miejsce pracy: Poznań Technologies we use Expected - Java - Selenium - Cucumber - Junit - Apache Kafka - REST - gRPC - GraphQL - Git - Jenkins Optional - Prometheus - Grafana - ELK Stack - Dynatrace About the project We are looking for a detail-oriented Senior Test Automation Engineer to join our Scrum team developing next-generation...

A leading software development company seeks a Java Software Engineer for its Poznań office. This role involves driving the performance and scalability of the core data platform using PostgreSQL and the Spring Framework. Ideal candidates will have over 4 years’ experience, strong expertise in database solutions, and the ability to communicate complex ideas. Competitive USD-based compensation and...

Join the Java Engineering Team at a top N. American Bank Are you a Java engineer who enjoys working on large scale and high performance software? Do you love working with smart people on meaningful technology? Want to work in capital markets on financial trading systems? If so, read on. The Role at a Glance - Senior Java Backend Engineer - Fully remote for a top N. American bank (for residents...

Senior Test Automation Engineer with Java and Kafka Miejsce pracy: Poznań Technologies we use Expected Java Selenium Cucumber Junit Apache Kafka REST gRPC GraphQL Git Jenkins Optional Prometheus Grafana ELK Stack Dynatrace About the project We are looking for a detail-oriented Senior Test Automation Engineer to join our Scrum team developing next-generation e-commerce backend services. In this...

Join the Java Platform Engineering Team at a top N. American Bank Are you a Java engineer with a passion for DevOps? Do you love working with smart people on meaningful technology? Want to work in capital markets on and build modern low-latency trading systems? If so, read on. The Role at a Glance - Focus on the runtime and deployment of high performance low-latency Java applications for...

Senior Java Software Engineer – AI-Driven Modernisation Miejsce pracy: Poznań Technologies we use Expected Java AI LLM GitHub Copilot Claude Code About the project We're building a next-generation technology team focused on modernising critical financial services through AI-first engineering. You'll play a key role in transforming complex legacy systems into modern, scalable, and intelligent...

Senior Java Software Engineer – AI-Driven Modernisation (f/m/x) Join to apply for the Senior Java Software Engineer – AI-Driven Modernisation (f/m/x) role at Sii Poland We’re building a next‑generation technology team focused on modernising critical financial services through AI‑first engineering. You’ll play a key role in transforming complex legacy systems into modern, scalable, and...

A technology company in Poland is looking for a Senior Java Software Engineer to lead the modernization of financial services using AI technologies. This position requires a minimum of 7 years of Java programming experience, expertise in legacy system refactoring, and hands-on skills with AI development tools. The role emphasizes effective communication in English and involves collaboration with...

Senior Java Software Engineer – AI-Driven Modernisation (f/m/x) Miejsce pracy: Poznań Technologies we use Expected - Java - AI - LLM - GitHub Copilot - Claude Code About the project We’re building a next-generation technology team focused on modernising critical financial services through AI-first engineering. You’ll play a key role in transforming complex legacy systems into modern,...