backend developer

SKELAR, a venture builder in Poland, is seeking a Middle Node.js Developer for its partner company Duomo. You will design and scale backend services, automate marketing tech workflows, and improve observability and reliability across the stack.Ideal candidates bring 2+ years in Node.js with TypeScript and NestJS, PostgreSQL with a typed ORM, Redis and...

Proxify is seeking a Senior Backend Rust Developer in Poland to architect and build high-performance services for client teams. The role involves leading the transition from legacy systems to Rust microservices, focusing on performance, memory safety, and implementing distributed systems. Ideal candidates will possess strong experiences in Rust and its...

We are seeking a Senior Java Developer to join our team and take ownership of the development and maintenance of key business-critical components. In this role, you will contribute to backend engineering efforts, drive code quality, and collaborate closely with cross-functional teams in an Agile environment.This role offers a hybrid model, with 3 days per...

Project descriptionAre you an enthusiastic technology professional? Are you excited about developing cutting edge technologies; working for one of finest financial institutions in world? If so, you are the right person for this role.We are seeking experienced test automation engineers to join our agile Development & QA team.The Multi-Tenant Enterprise...

Wspólnie z naszym Partnerem, krajowym liderem w branży e-commerce, poszukujemy doświadczonego/ej specjalisty/ki do świadczenia usług jako iOS Developer. Projekt obejmuje rozwój jednej z kluczowych aplikacji mobilnych na platformę iOS, wykorzystywanej przez szerokie grono użytkowników. OFERUJEMY: - Nowy sposób na aplikowanie z AI Rekruterem (AIR)...

Senior Java Developer (Kafka160) 160-220 PLN/h net VAT B2B/UoP Warsaw | Hybrid / Remotely Join an international organization delivering a large-scale Big Data integration platform connecting systems across multiple countries within the logistics industry. This is a strategic migration and modernization initiative focused on building scalable, event-driven...

We are seeking an experienced .NET Developer to design and develop robust game engines and testing frameworks. You will work closely with product managers and mathematicians to translate complex requirements into scalable, efficient solutions.What You'll DoDevelop, maintain, and integrate .NET applicationsDevelop engines for i Lottery GamesWrite clean,...

DescriptionThe role is about: We are expanding our engineering capabilities and looking for a Senior Backend Developer to join our Core Gateway team. This is a unique, dual-track role where you will play a central part in both the present and future of our infrastructure. You will support, maintain, and extend our existing Perl-based payment gateway...

THREE POINT TURN INC is seeking a hands-on backend developer to close out tickets across the data warehouse and Power BI environment. The role emphasizes backend problem-solving, data logic, ETL‑style workflows, and root‑cause resolution.The ideal candidate moves quickly from issue to resolution, works autonomously, and communicates effectively with...

Remote | 100% remote B2B | Part-time (50%) | About the Role We are looking for an experienced Python / Rust Developer to join a project focused on building a high-performance trading integration platform. You will be responsible for designing and implementing a unified interface for Fast Trading systems, ensuring low latency, high throughput, and secure...

CAPCO POLAND We're looking for Poland based candidate. Joining Capco means joining an organisation that is committed to an inclusive working environment where you’re encouraged to #BeYourselfAtWork. We celebrate individuality and recognize that diversity and inclusion, in all forms, is critical to success. It’s important to us that we recruit and develop...

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100 trust GitLab to ship better, more secure...

# Fullstack Developer (TypeScript, React / Node.js)Warsaw, PolandRemoteplvia direct// Job TypeFull Time// SalaryPLN 135 - 145/hour// Salary Range135–145 PLN / hour// Posted1 day ago// Work Moderemote## About the RoleQuick Facts Role: Fullstack Developer (TypeScript, React / Node.js) Work mode: 100% remote Sector: CMS / Telco Team: Sites & CMS Team (CMS...

Kim jesteśmy? Cześć, nazywamy się Bee Talents i od 2015 roku zajmujemy się budowaniem zespołów w branży IT i nie tylko na całym świecie. Dziś zapraszamy Cię do procesu rekrutacyjnego dla Bnewable. Bnewable to niezależna belgijska firma energetyczna, specjalizująca się w magazynowaniu energii i zarządzaniu energią. Dzięki inteligentnemu...

Financial Crime Platform, Backend Engineering Warsaw, Poland | Hybrid 2 days per week on site Vyntra builds software that helps banks and financial institutions detect fraud, prevent money laundering, and understand transactions at scale. Our platform processes large volumes of transactional data in real time, combining search technology and AI to provide...

Jesteśmy międzynarodową grupą, która specjalizuje się w usługach opieki domowej, jak również rekrutacji i zatrudniania pracowników. Nasze usługi realizujemy na wielu rynkach europejskich, m.in. w Polsce, Niemczech i Francji.Filarem naszej działalności są usługi opieki domowej dla osób starszych i niesamodzielnych,...

ISB Software Development Center (ISB SDC) in Warsaw is a technology excellence center of Íslandsbanki (Reykjavik, Iceland). We are a group of software development professionals who work together following best practices and processes to deliver high quality software solutions and capability. Job Description We are looking for a Back-end / Full-stack...

Overview Accenture is a leading global professional services company that helps businesses, governments and other organizations build a digital core, optimize operations, accelerate revenue growth and enhance citizen services. We offer solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Accenture...

Requirements2+ years of experience in backend development using JavaSpring Boot or Quarkus skillsSolid BPMN 2.0 knowledge (events, gateways, subprocesses)Experience with Camunda 7/8 and REST or Zeebe APIIntegration with external systems (REST, Kafka, DB)Analytical thinkingExperience in mentoringGood EnglishNice to haveCamunda 8 (Zeebe)...

Required skills & experience 3–5 years of professional experience as a Python Developer, preferably with a data or backend focus . Strong Python skills, including experience with data-processing libraries such as pandas and building REST APIs using frameworks such as FastAPI or Flask . Solid SQL skills and hands-on experience with relational databases,...