javascript back-end developer

Welcome to Kalamba Games! Join us as a Back End Developer and work closely with our team of front-end and back-end developers, game artists, math designers, testers and product managers. We aim for our stack to be the best-performing in the industry across the key pillars of Game Development, Remote Games Server Platform, QA and Art.   We are searching...

Must have tech languages: Java, Javascript/Typescript is a plus Must have skills: SQL (Oracle) and NoSQL (OpenSearch) DBs, event streaming (Kafka)

**Devire Outsourcing IT** to forma współpracy dedykowana dla specjalistów z branży IT, oparta na zasadach własnej działalności gospodarczej - B2B, realizująca projekty dla wiodących Klientów prowadzących innowacyjne i nowoczesne projekty. Dla naszego Klienta - organizacji specjalizującej się w rozwiązaniach data & analytics oraz wspierającej...

Senior Backend Ruby Developer at ProFinda! ProFinda is a fast-growing, innovative SaaS company revolutionizing how organizations understand, mobilize, and manage their workforce and skills. Our platform uses cutting-edge AI to match people to the right projects and opportunities, enabling unprecedented agility and efficiency for our global client base. We...

Back-End Developer – 6‑Month Contract (Hybrid, Kraków) **Location:** Kraków, Poland (Hybrid: 6 days per month on-site) **Contract:** Initial 6‑month engagement **Experience:** Ideally 7+ years **Core Skills:** Java, Microservices, Spring, MySQL, AWS or Azure Role Overview This position is for an experienced Back-End Developer who can contribute...

**Key Requirement:** Strong Banking/Finance experience, preferably with SEPA/payment gateway exposure. **Required Skills** - Strong experience in Java 17 & Spring Boot - Hands-on with microservices architecture - Experience with CI/CD (Git, Docker, TeamCity, OpenShift/Helm) - Good knowledge of Oracle, DB2, Redis, Kafka, MQ, REST APIs - Familiar with Jira,...

We Offer: Above-market fixed salary High achievement, high reward Zero micromanagement Structured revenue-sharing participation Real ownership of architecture and delivery Direct financial alignment with company growth High-autonomy execution environment If you are underpaid relative to your ability → this role will interest you. Notes: This job...

We Offer: - Above-market fixed salary - High achievement, high reward - Zero micromanagement - Structured revenue-sharing participation - Real ownership of architecture and delivery - Direct financial alignment with company growth - High-autonomy execution environment If you are underpaid relative to your ability → this role will interest you. Notes: -...

We Offer: Above-market fixed salary High achievement, high reward Zero micromanagement Structured revenue-sharing participation Real ownership of architecture and delivery Direct financial alignment with company growth High-autonomy execution environment If you are underpaid relative to your ability → this role will interest you. Notes: This job...

We Offer: Above-market fixed salary High achievement, high reward Zero micromanagement Structured revenue-sharing participation Real ownership of architecture and delivery Direct financial alignment with company growth High-autonomy execution environment If you are underpaid relative to your ability → this role will interest you. Notes: This job...

We Offer: Above-market fixed salary High achievement, high reward Zero micromanagement Structured revenue-sharing participation Real ownership of architecture and delivery Direct financial alignment with company growth High-autonomy execution environment If you are underpaid relative to your ability → this role will interest you. Notes: This job...

We Offer: Above-market fixed salary High achievement, high reward Zero micromanagement Structured revenue-sharing participation Real ownership of architecture and delivery Direct financial alignment with company growth High-autonomy execution environment If you are underpaid relative to your ability → this role will interest you. Notes: This job...

We Offer: - Above-market fixed salary - High achievement, high reward - Zero micromanagement - Structured revenue-sharing participation - Real ownership of architecture and delivery - Direct financial alignment with company growth - High-autonomy execution environment If you are underpaid relative to your ability → this role will interest you. Notes: -...

We Offer: - Above-market fixed salary - High achievement, high reward - Zero micromanagement - Structured revenue-sharing participation - Real ownership of architecture and delivery - Direct financial alignment with company growth - High-autonomy execution environment If you are underpaid relative to your ability → this role will interest you. Notes: -...

**About the Role:** We are looking for a **Senior Backend Engineer** to join our client at the earliest stage of a UK government-funded startup. They are building a high-impact platform dedicated to gambling awareness and addiction prevention. As our first Backend Engineer, you will be the driving force behind the platform's architecture. You will lead the...

**SUMMARY** 💰 **160 - 185 PLN/h** on B2B 💰 **19 200 - 22 200 PLN/gross** on UoP 📍 **Cracow - Hybrid** 💼 **Senior** **YOU WILL** - Work closely with Business, Murex, IT Development, and Support teams to prioritise business and technical requirements. - Gather and analyse requirements, translating them into effective technical design...

**Job Title: Backend Software Developer-mid** **Location: Remote (European Time Zone)** **Employment Type: B2B (18000-25000 PLN/month)** **About us:** ETFbook is a Swiss company providing data, analytics, and custom solutions in the Exchange Traded Funds (ETFs) space. Founded in 2020, we aim to make global ETF data accessible, actionable, and valuable...

**K&K Talents** is an international recruiting agency that has been providing technical resources in the European region since 1993. This position is with one of our clients in **Poland** who is actively hiring candidates to expand their teams. **Position : Java Backend Developer** **Location : Wroclaw, Poland (Hybrid)** **Type : UOP...

Holisticon Connect is a division within NEXER GROUP - a custom software development company. We started in Poland in 2017 and are now a team of over 140 people. We have the opportunity to work with world-renowned brands from Scandinavia, the UK, and Western Europe. Our goal is to grow stronger, in competence rather than in numbers. If you like what we do,...

On behalf of NDA, FinTech, SD Solutions is looking for a talented Backend Engineer. As a Backend Engineer, you will design, develop, and maintain robust server-side systems that power our financial technology products. You will focus on building scalable, secure, and high-performance backend services, handling critical data processing, API development, and...