3,117 backend developer jobs in Polska.

, Knowledge of RESTful API design and frontend SPA frameworks such as Angular 2+ or GWT is a plus. Access to attractive Medical Package, Access to Multisport Program, Access to Pluralsight, Flexible hours.

... world's leading consulting firms! Are you passionate about technology, problem-solving, and creating great user experiences? Join Deloitte as a ServiceNow Junior Developer and help leading organisations transform the way they deliver IT services and business processes. What We're Looking For - Hands-on experience with at least ...

Open to a hybrid working model with presence in the office 3 days per week. Availability to support production releases approximately 1–2 times per month during weekends (around 2 hours per occurrence), Offices or remote work Praca hybrydowa Praca zdalna Praca w weekendy

This is a fully remote B2B contract opportunity with a base salary that goes up to $120,000 USD per year.

⭐ Software Developer (Near-site) – Warsaw, Poland Location: Warsaw, Poland Work Mode: Near-site Contract Type: Freelance Duration: Long-term project Role Overview We are looking for a Software Developer to join a large-scale international technology programme, contributing to the design, development, testing, and maintenance ...

100 - 170 zł / stawka godzinowa Full-time job agreement based on B2B, Budget: 100-170 PLN net/h – B2B, Project length: Long-term, Benefits, sharing the costs of sports activities, private medical care, life insurance, remote work opportunities, flexible working time, integration events, dental care, no dress code,

100 - 160 zł / stawka godzinowa Elastyczne godziny pracy. Benefity, możliwość pracy zdalnej, elastyczny czas pracy, Możliwość pracy zdalnej lub hybrydowej .Net Praca zdalna Praca hybrydowa Praca stała Elastyczne godziny

Praktyka w zakresie monitoringu i observability (Grafana, Prometheus, Application Insights, OpenTelemetry) .Net Praca hybrydowa

... Kraków (małopolskie) (Polska); Warszawa; Praca zdalna Zakres obowiązków: - Współpraca z klientem (udział w realizacji projektu), - Uczestniczenie w pracach developerskich (projektowaniu rozwiązań, implementacji warstwy interfejsu użytkownika i logiki aplikacji biznesowych), - Zarządzanie wiedzą i jakością (code review), ...

Our customer is seeking a Creatio Developer to help build and implement a flexible, multi-product platform for a new finance sector project Elastyczne godziny

Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.). Hybrid work setup – remote days available depending on the client’s arrangements .Net Praca hybrydowa Praca zdalna Elastyczne godziny

... your annual performance and company results., , Our team is based in Kraków and Warsaw. Your responsibilities, Own the architecture: You will design and scale backend services capable of handling complex business accounts and high transaction volumes., Ship real product: You’ll collaborate with the team to turn complex requirements ...

Comfortable workplace – class A offices or remote work Praca zdalna

NET Core, multi-threaded programming, and object-oriented design. - Experience with AWS - Proven ability to deliver end-to-end solutions independently in distributed or remote team setups. - Solid background in designing high-performance, scalable applications using established design patterns.

- 5+ years of experience with C# / .NET - Experience with WPF or similar GUI frameworks and MVVM - Good understanding of async programming, multithreading and thread safety - Experience with .NET 8+ - 1+ year of experience with Python - Understanding of clean architecture and testable code design - Experience with

Freelance .NET Full-Stack Developer – Poland (Remote) I’m currently looking for an experienced .NET Full-Stack Developer to join a long-term project with a global consulting company. Remote — candidates must be based in Poland Start date: 1 September 2026 ⏳ Duration: 12 months Contract: B2B / Freelance Rate: 100–120 PLN ...

Karty przedpłacone na Święta Bożego Narodzenia. Stabilne zatrudnienie w rozwijającej się firmie produkcyjnej .Net Praca stała

... company behind CKEditor – an open-source rich text editor used by millions of people around the world. We are part of Tiugo Technologies, a family of API-first developer platforms (CKEditor, TinyMCE, ButterCMS, Uploadcare) focused on content creation and digital collaboration. Description: As a Technical Product Manager, you ...

... collaborate directly with traders and product teams at the sharp edge of financial technology, this is your arena., , The Role at a Glance, • Senior C# .NET Backend Engineer, • Building a trading systems, including high-performance backend services for market data and electronic trading, • Fully remote for a top N. American ...

... technologiczne Skład zespołu - lider techniczny - administrator IT Twój zakres obowiązków - uczestnictwo w projekcie dot. branży retail, - praca jako Fullstack Developer (około 80% pracy po stronie backendu), - praca nad rozwiązaniami POS (Point of Sale), - ścisła współpraca z globalnymi klientami z sektora retail, - rozwój ...