64 backend developer English-speaking jobs in Białystok
Senior Aladdin Fullstack Developer
- Spyrosoft
- Białystok
- April 20
, Backend Developer , or Integration Developer role Strong development experience in Python Good hands-on ... / front-office Requirements: 5 years of experience in software engineering, ideally in a Fullstack Developer ... across investment systems Project description: We are looking for an experienced Aladdin Fullstack Developer
Senior EIS Developer
- Spyrosoft
- Białystok
- April 9
insurance systems Strong knowledge of Java and backend development Experience with REST APIs and system ... Insurance Platform Implement and customize modules such as PolicyCore, BillingCore and ClaimCore Develop backend ... or EIS Developer Hands-on experience with EIS Digital Insurance Platform Experience working with core ... PolicyCore, BillingCore, ClaimCore), REST APIs Requirements: Strong commercial experience as a Java Developer ... client-facing projects German language skills Project description: We are looking for an experienced EIS Senior Developer
Senior Frontend Developer Angular
- Inspeerity
- Białystok
- April 20
About position: We are currently building our talent pool for future Senior Frontend Developer (Angular ... TL;DR • Who: Senior Frontend Developer (Angular) • Contract Type: B2B Framework Agreement • Salary range ... You will be the best fit if you have: • 5 years of experience as a Frontend Developer, with strong expertise ... defining project requirements, to designing, building, and deploying software applications for web, backend ... (e.g., NgRx) and component-based architecture. • Experience with RESTful APIs and integration with backend
Senior Nodejs Developer
- Svitla Systems
- Białystok
- May 1
Participate in backend architecture and technical decisions. ... Svitla Systems Inc. is looking for a Senior Node.js Developer with AWS for a full-time position (40 hours ... Responsibilities Develop and maintain backend services in Node.js. ... Requirements 4-5 years of experience as a Back End Developer with Node.js and NestJS (for complex services ... Understanding of data-heavy backend systems (aggregation, querying, performance).
Senior Frontend Developer React
- Inspeerity
- Białystok
- April 20
About position: We are currently building our talent pool for future Senior Frontend Developer (React ... TL;DR • Who: Senior Frontend Developer (React) • Contract Type: B2B Framework Agreement • Salary range ... You will be the best fit if you have: • 5 years of experience as a Frontend Developer, with strong expertise ... defining project requirements, to designing, building, and deploying software applications for web, backend ... approaches (e.g., Redux, Zustand, or similar). • Experience with RESTful APIs and integration with backend
Regular Senior Web NET Developer - Talent Pool
- Transition Technologies PSC
- Białystok
- April 19
the development and maintenance of modern web applications and backend services. ... This posting is part of a Talent Pool for the .NET Developer role. ... We are seeking a Regular or Senior .NET Web Developer to work on an active client project focused on ... discussions Collaborate with QA, DevOps, and product teams Requirements Commercial experience as a .NET Developer
Senior Java Developer - Freelance
- Netguru
- Białystok
- May 1
This is a single-developer project , where you will work closely with the client's internal teams and ... laboratory stakeholders to clarify requirements, define scope, and improve existing backend processes ... Position: Senior Backend Engineer (Java / Architecture) Contract: Freelance / B2B – Remote (EU Only) ... We are looking for a Senior Backend Engineer with strong architectural skills to join a long-term project ... on the project Refactor and modernize legacy backend systems Improve and extend existing microservices
Golang Developer for IoT / Industrial Data Platform (f/m/x)
- Sii Sp. z o.o.
- Białystok
- March 20
We are currently looking for a Golang Developer. ... You will design, develop, and maintain the core backend infrastructure that powers the entire platform ... development experience, including work on large-scale, multi-service backend systems Proficient in Go ... troubleshooting, and continuous improvements for deployed services requirements-expected : At least 4 years of backend
Senior Nodejs Developer
- Inspeerity
- Białystok
- April 20
defining project requirements, to designing, building, and deploying software applications for web, backend ... be doing: • Designing, implementing, and maintaining high-quality Node.js applications. • Developing backend ... About position: We are currently building our talent pool for future Senior Node.js Developer roles. ... TL;DR • Who: Senior Node.js Developer • Contract Type: B2B Framework Agreement • Salary range: Up to ... You will be the best fit if you have: • 5 years of experience as a Node.js developer, preferably with
Senior NET Developer
- Inspeerity
- Białystok
- April 19
defining project requirements, to designing, building, and deploying software applications for web, backend ... ll be doing: • Designing, implementing, and maintaining high-quality .NET applications. • Developing backend ... About position: We are currently building our talent pool for future Senior .NET Developer roles. ... TL;DR • Who: Senior .NET Developer • Contract Type: B2B Framework Agreement • Salary range: Up to 150 ... You will be the best fit if you have: • 5 years of experience as a C#/.NET developer, preferably with
Senior Java Developer
- Inspeerity
- Białystok
- April 19
Developing backend components and APIs to support scalable software solutions. ... defining project requirements, to designing, building, and deploying software applications for web, backend ... About position: We are currently building our talent pool for future Senior Java Developer roles. ... TL;DR • Who : Senior Java Developer • Contract Type : B2B Framework Agreement. • Salary range: Up to ... You will be the best fit if you have: 5 years of experience as a Java developer, preferably with exposure
Senior Lead NET developer with strong Azure
- Spyrosoft
- Białystok
- May 1
needs Main responsibilities: Designing and delivering secure, scalable, and maintainable .NET 8 / C# backend
Lead Python Backend Engineer
- Reef Technologies
- Białystok
- April 3
Then you should check out our Senior Python Backend Engineer opening as well . ... Lead Python Backend Engineer Browsing jobs can get boring, so let us convince you to actually apply for ... We’re continuously looking for backend engineers who want to work on cutting-edge Python-based systems ... Working at Reef in practice Reef Technologies is a fully remote Python backend software house. ... Lead Python Backend Engineer wanted Do you have at least 5 years of programming experience, including
Senior Golang Developer - Freelance
- Netguru
- Białystok
- May 1
We are currently seeking a talented Senior Golang Developer. ... Solid experience building backend systems and APIs in a production environment. ... B2B Contract Salary rate up to 34 EUR/h Fully remote position Start ASAP Develop and maintain backend ... We are also open to candidates with a Fullstack profile, particularly those who bring solid backend expertise
Lead Python Engineer
- HeadHR
- Białystok
- April 24
Senior Python Developer
- Transition Technologies PSC
- Białystok
- April 19
Responsibilities Implement and maintain scalable backend services and platform components for the analytics ... Engineering, or a related field. 5 years of professional experience in software development, with a focus on backend
Ruby on Rails/Python Developer Rzeszów, Białystok, Łódź, Remote Open Ruby on Rails/Python Devel[...]
- Kruko
- Białystok
- April 16
Senior Python Engineer
- Godel Technologies Europe
- Białystok
- April 2
peer reviews, refinements, and continuous feedback loops across a multi-disciplinary team Maintain a developer-first ... Tech Stack Backend: Python 3.1x, Django 4.x, Django ORM Frontend: React (rarely requests to craft FE) ... releases via feature flags Responsibilities Design, develop, and maintain scalable finance-focused backend
Senior ServiceNow UI Builder Developer
- Spyrosoft
- Białystok
- April 19
Collaborate with functional consultants, UX/UI designers, and backend developers. ... As a UI Builder Developer, you will focus on creating modern and user-friendly experiences within ServiceNow
Java Developer Freelance
- Netguru
- Białystok
- April 10
Building and maintaining features within the SaaS application Requirements 2–4 years of experience in backend ... We are looking for a Mid-level Java Developer to join our client’s engineering team and support the development ... hours Participate in regular team meetings and virtual team events Integrate with the client’s wider developer











































