backend engineer nodejs

Short-term project Project description We are looking for an experienced C++ / backend engineer to join on a short-term, time-bound basis to lead refactoring and modernization work on a mature desktop application. The product has a large, cross-platform C++ codebase (~500k lines of code plus third-party dependencies) built on Qt5. The primary goal of the...

Responsibilities We are looking for a practical and collaborative Senior Fullstack Engineer to join the Developer Experience (DX) team in a large enterprise environment. The role focuses on building internal developer platforms, tools, and services that improve developer productivity, system visibility, and workflow automation. You will play a key role in...

SwingDev—a hippo company is the Polish branch of a fast-growing InsurTech product company – Hippo Insurance. We’re here to make home insurance smarter and more proactive, using tech to bring fresh solutions. We also create digital products that support our customers, always focusing on what really makes an impact.Putting a lot of effort into hiring...

Sonalake is a software partnering company that helps our clients realise their product roadmaps. Product design and engineering are at the heart of our business. Our engineering teams work with clients right across the stack; UX, UI design, frontend, backend, analytics, infrastructure, operations - and everything else that goes into delivering great...

Web Systems w Łodzi poszukuje dewelopera, który zrealizuje aktualizacje oraz rozwój stron i aplikacji internetowych. Wymagana jest dobra znajomość PHP i MySQL, a także doświadczenie w pracy z frameworkami takimi jak Laravel czy Symfony.Wymagana jest również podstawowa znajomość Linux, Docker, GIT oraz komunikatywna znajomość języka...

Camunda is Camunda is the enterprise platform for agentic orchestration, enabling organizations to coordinate AI agents, people, and systems across complex, end-to-end business processes. With built-in governance, auditability, and human oversight, Camunda gives enterprises the control they need to move AI from pilots to production — safely and at scale....

Join beqom — where tech meets impact beqom is a high-growth B2B SaaS company that provides industry-leading tools for pay equity and transparency, compensation, and performance management. Trusted by some of the world’s most respected companies, beqom enables HR and business leaders to navigate global compliance and make smarter pay decisions that...

Implement new micro-services and extend existing ones in GoHelp groom user-story requirements and surface performance / scaling concerns earlyWrite unit, integration and API tests; review PRsTune data-models in DynamoDB & Postgres for low-latency, high-throughput workloadsPair with DevOps on CI/CD and observability improvementsParticipate in on-call rotation...

Senior Java Backend Engineer Location: LODZ Annual Salary: max. 181,000 gross Responsibilities Responsible for high/low level design as per the assigned feature. Responsible for technical code delivery to a specific Ignite customer from inception through completion. Responsible to interface with internal/external leads. Responsible for the peer code...

We’re a team of 500+ professionals who develop cutting‑edge proxy and web data scraping solutions for thousands of the world’s best known businesses, including Fortune 500 companies. What’s in store for you: You’ll be solving complex challenges and maintaining our own infrastructure with 60PB+ monthly data traffic. Here are its scale and maturity...

Sempire to spółka wysoko wyspecjalizowana w usługach marketingu cyfrowego. Dostarczamy rozwiązania bezpośrednio naszym klientom, ale też wspieramy klientów w ramach Grupy cyber_Folks — właściciela m.in. PrestaShop, Shopera, _Now, a także dedykowanych rozwiązań dla WordPress i WooCommerce. Grupa obsługuje dziś ok. 700 tys. klientów w Europie...

Sempire to spółka wysoko wyspecjalizowana w usługach marketingu cyfrowego. Dostarczamy rozwiązania bezpośrednio naszym klientom, ale też wspieramy klientów w ramach Grupy cyber_Folks — właściciela m.in. PrestaShop, Shopera, _Now, a także dedykowanych rozwiązań dla WordPress i WooCommerce. Grupa obsługuje dziś ok. 700 tys. klientów w Europie...

Backend Engineering Minimum 5 lat doświadczenia w budowie systemów backendowych. Bardzo dobra znajomość nowoczesnych języków backendowych (Python, Go i/lub Java). Doświadczenie z FastAPI lub podobnym frameworkiem. Doświadczenie w projektowaniu REST API. Praktyczna znajomość wzorców mikroserwisowych i architektury event-driven. Doświadczenie z...

O roli:Szukamy doświadczonego inżyniera‑lidera do zespołu E-Commerce Platform (część organizacji Core Experience). Zespół buduje systemy self‑service umożliwiające klientom zakup, wdrożenie i zarządzanie subskrypcją produktu – w tym ekspansję na nowe rynki międzynarodowe i rozwój silnika cenowo‑rabatowego. Usługi te generują...

We’re building a modular AI agent that will revolutionize an entire ecosystem. As our Backend Engineer, you’ll design and implement the infrastructure that powers our AI systems. You’ll work on APIs, orchestrators, and data pipelines to ensure seamless communication between agents and a reliable user experience. Responsibilities Design and build...

In most instances, this position requires in-person interviews as part of the hiring process. Minimum qualifications Bachelor’s degree or equivalent practical experience. 2 years of experience with software development in one or more programming languages, or 1 year of experience with an advanced degree. Preferred qualifications 2 years of experience...

Enfint, an international technology organization, is seeking a backend engineer to build and scale high-performance services and distributed systems in a Kubernetes and cloud-based environment.You will own features end-to-end, work with event-driven architectures, Kafka, and microservices, and collaborate closely with Product and Engineering teams while...

City: Krakow State/Province: malopolskie Posting Start Date: 8/26/26 Wipro Limited (NYSE: WIT, BSE: 507685, NSE: WIPRO) is a leading technology services and consulting company focused on building innovative solutions that address clients’ most complex digital transformation needs. Leveraging our holistic portfolio of capabilities in consulting, design,...

About The Role LeoVegas Group is building a world-class Sportsbook platform. Within the Sports domain, we work in a high‑volume, real‑time environment where speed, correctness, scalability and reliability are critical, building the services that transform incoming sports, trading and pricing data into experiences used by millions of customers. What...

Senior Remote Warsaw, Poland We are looking for an experienced Backend Developer to join an international team delivering modern backend and AI-powered solutions. In this role, you will develop and maintain scalable backend applications using Python and FastAPI while working with AWS cloud services, ETL pipelines, Docker, and CI/CD practices. You will also...