backend developer

payabl. empowers businesses to grow through payments innovation and banking services. Our ambition is to expand our strong portfolio of global financial services and make them all accessible through our unified platform, payabl.one. As a licensed financial company with principal membership with card schemes, we specialize in global payments and...

Dla jednego z naszych klientów poszukujemy osoby na stanowisko Senior Java Backend Developer, która wesprze zespół odpowiedzialny za rozwój i utrzymanie nowoczesnych systemów informatycznych opartych o architekturę mikroserwisową. Zakres obowiązków rozwój, budowa i utrzymanie aplikacji backendowych, projektowanie oraz rozwój architektury...

🚀 Zexter is an ambitious product building its own technological ecosystem in the iGaming space.We are developing our in-house platform, which is already live and actively operating, while also expanding our product line, allowing us to adapt quickly to market needs and implement innovations at speed.We are looking for a Backend Developer to join our team...

Within the Structured Finance & Liquidity team (SFL), you will work on banking applications supporting structured finance activities, liquidity calculations and regulatory reporting. Your role will be to contribute to the development and maintenance of information systems used by Société Générale’s Corporate and Investment Banking business. The team...

Backend Developer (Java) — Wroclaw Location: Wroclaw (on-site) · Team: Product Engineering · Reports to: Head of Technology · Contract: permanent employment contract, full-time About EC Markets and the role EC Markets is an FCA-regulated FX and CFD brokerage. Our engineering team builds and runs our investing and trading app: a React Native / Expo app...

Established in 2026, Zenlogix Solutions was founded on a belief that every business deserves technology that truly works for them — not the other way around. We are a technology solutions and consultancy firm driven by a unified goal: to become the most trusted partner for businesses seeking smarter systems, streamlined operations, and measurable growth....

Описание:LeoVegas Group delivers iGaming experiences and develops platforms and features that engage players through communication capabilities, bonuses, loyalty programs, and cross-channel experiences.Задачи:Build scalable, robust, and efficient solutions in a full-stack team; Ensure continuous delivery within a microservice architecture;...

Zespół Rozwoju Systemu S46 działa wDziale Rozwoju Systemów Cyberbezpieczeństwa, który jest częścią Centrum Cyberbezpieczeństwa iInfrastruktury NASK-PIB. Na co dzień pracujemy wScrumie. Wraz zProduct Ownerem, testerami, analitykami iprojektantami UX współtworzymy zespół produktowy, który stale się rozrasta. Obecnie rozwijamy iutrzymujemy...

We are looking for a skillful Backend Developer to join one of our teams working with US clients - referrals from the high-end American IT market. Our tech stack is built around React, Node.js and TypeScript. We are working with well-established companies and sometimes startups in their early stages (MVPs), which makes the job full of diversity and exciting...

Projekt i współpraca: Rozwój skalowalnych aplikacji backendowych i usług chmurowych dla dużego fintechu, w tym systemu płatności odroczonych i nowej metody płatności. Praca zdalna z Polski z wizytą w biurze w Warszawie lub Poznaniu około raz w miesiącu. Współpraca z zespołami produktowymi, architektonicznymi, AI, QA i IT oraz wpływ na...

OverviewSenior Backend Developer (PM) – Pełny wymiar pracy / Pół etatu. Propozycja pracy jest długoterminowa; firma dynamicznie się rozwija. Zespół IT liczy 4 deweloperów. Za pracę rozliczamy się co 7 dni w każdy poniedziałek. Poszukujemy doświadczonego i zaangażowanego specjalisty, który podejmie się stworzenia i rozwoju webowej wersji...

We are looking for a skillful Backend Developer to join one of our teams working with US clients - referrals from the high-end American IT market. Our tech stack is built around React, Node.js and TypeScript. We are working with well-established companies and sometimes startups in their early stages (MVPs), which makes the job full of diversity and exciting...

Main Responsibilities Design, develop, and maintain robust backend solutions. Collaborate across teams to ensure seamless software integration. Participate in the full software development lifecycle. Implement DevOps practices for continuous integration and delivery. Optimize application performance and scalability. Review and improve code quality through...

The consultant will be responsible for developing, enhancing and maintaining our Java-based applications that handle taxation, account management, and investment processing for our pension and savings products. Responsibilities: Design, develop, and maintain Java applications supporting savings and investment products Build and enhance calculation engines...

Wspólnie z naszym Partnerem Biznesowym z branży ubezpieczeniowej poszukujemy trzech doświadczonych specjalistów/ek do realizacji projektów jako Java Backend Developer. Projekt dotyczy rozbudowy i utrzymania wewnętrznego systemu rozwijanego przez obszar IT Partnera. - Minimum 3 lata komercyjnego doświadczenia w programowaniu w języku Java...

We are a software house specializing in mobile and backend systems, with strong experience in IoT and industrial platforms. Our clients include companies from manufacturing, energy and e-commerce sectors. We actively develop solutions around AI, automation and intelligent assistants, and w run internal and client workshops on using AI in software...

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands...

We're hiring an experienced backend engineer to integrate our ATS, Teamtailor, into Darize s ecosystem. You'll connect it with our systems and bring its data back to where it's needed, including our Dynamics-based CRM and AgentHub, our platform for matching clients with the right consultants. You'll own this project and work on it alongside other teams in...

Kompetencje wymagane do realizacji usług: minimum 4 lata doświadczenia w tworzeniu oprogramowania, praktyczne doświadczenie w programowaniu w C#, .NET Core oraz .NET 8, doświadczenie w implementacji złożonych rozwiązań informatycznych w architekturze mikroserwisowej, znajomość SQL, doświadczenie w tworzeniu i rozwijaniu nowych...

ExpectationsSolid backend experience (roughly 7+ years) building distributed systems in .NET, including running services on Kubernetes in Azure. Python for AI/ML workloads is a nice-to-have.Strong architectural judgment and the willingness to make calls and defend them.Experience integrating LLM APIs (Anthropic, OpenAI, or similar) into production systems,...