519+ Backend Developer Javascript Jobs in Kraków, Poland — Local Employers Hiring June 2026

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Backend Developer (JavaScript)

Job Description We are seeking a highly motivated and skilled Cloud Service Backend Engineer to join our dynamic team. In this role, you will be responsible for designing, developing, and maintaining scalable and reliable backend services that power our cloud-based applications. You will ...

Backend Developer

Backend Engineer (Hybrid – 2 days/week in the office)We are looking for an experienced Backend Engineer to join a high-performing engineering team. In this role, you will be responsible fo ...

Scala Backend Developer

Job description You will be part of a backend team that develops solutions for one of our games and is responsible for the end-to-end. Together with game designers and product owners you will discuss, set priorities and decide about new features. All technology choices are ...

JavaScript (React, Typescript)/ Mashup Developer

For our Client we are looking for an experienced JavaScript (React, Typescript)/ Mashup Developer. 📍 Location: Kraków, hybrid work model – 2 days per week in the office, 3 days remote🕒 Cooperation model: [Full-time / B2B ...

Full stack/Front end Developer (Angular/JavaScript)

Job Description As a core member of our Dispatch and Logging team, you will take ownership of products where failure is not an option. Working within a high-velocity Scrum Team, you’ll engage in the full development lifecycle—from whiteboarding ideas with Product Owners to d ...

Senior Backend Developer (Node.js + DevOps)

At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Senior Backend Developer to join one of our <span style ...

.NET Developer (Backend / Full Stack Platform)

Jeśli masz doświadczenie jako programista/programistka .NET i szukasz nowych wyzwań projektowych, dołącz do zespołu Comarch EDI. Rozwijamy autorską platformę E-Invoicing, która zapewnia bezpieczną wymianę informacji w skali globalnej. Twoja praca bezpośrednio przełoży się na efektywność operacyjną systemu wym ...

Full Stack Developer (JavaScript / CSS / Node JS/ basic Java)

For our Client we are looking for an experienced Fullstack Developer to participate in all parts of the development life cycle including analysis, testing and production support. ...

Full stack Developer (Node.js/Angular/Typescript)

Market Enterprise Functions At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into re ...

(Senior) Backend Developer (Node.js) – OneRail’s Technology Hub Poland

OneRail is a technology company innovating solutions for multi-modal delivery.We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal ...

Senior Backend Developer (.NET) – OneRail’s Technology Hub Poland

OneRail is a technology company innovating solutions for multi-modal delivery.We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal ...

Full Stack Engineer ID70850

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

BackEnd  Engineer

OverviewCAREERS TO SMILE ABOUTAt PepsiCo, you’ll discover a place where our mission is to create smiles around the world. With a portfolio of more than 500 beloved brands including, Gatorade, Lay’s and Quaker, our work touches millions of people every day.At the heart of the compan ...

UI Engineer (JavaScript, Angular/React)

We are looking for an experienced UI Engineer to design, develop, and maintain intuitive, high-performance user interfaces for our Client's digital platforms. This role collaborates closely with UX designers, backend engineers, and business stakeholders to deliver seamless and accessible customer experiences. ...

FullStack Engineer (Python, JavaScript, React)

FullStack Engineer (Python, JavaScript, React)Location: Kraków (hybrid model – 2 days per week from the office)<strong data-start=529 data-end=54 ...

Client 360 Full Stack Application Developer (React.js, Javascript, GraphQL), Assistant Vice President

Think start-up energy, backed by enterprise scale.We are building a modern platform within a global organization—combining the agility, ownership, and engineering freedom of a start-up with the stability and funding of an industry leader. You’ll work in a highly collaborative, international envi ...

Lead Full stack Developer

Lead Full-stack Developer Location: Krakow, PL Employment type: Employee Place of work: Hybrid Offshore/Onshore: Onshore TechnipFMC is committed to driving real change in the energy industry. Our ambition is to build a sustainable future through relentless innovation and global ...

Full Stack Developer (React + Java), Officer

Charles River Development (CRD) is the FinTech division of State Street. Together with State Street’s Middle and Back-office services, Charles River’s cloud-based Front Office technology forms the foundation of the State Street Alpha® Platform, the first front-to-back solution in the industry.Ou ...

Fullstack Developer Node/TypeScript/React/Vue

 At Infotree, meeting your career needs is a top priority. Client satisfaction is largely dependent on the resources we can provide, and we take pride in our delivery. We have a supportive team in place to give quality people a chance to grow and challenge themselves in their roles which has resul ...

QA Engineer (backend)

QA Engineer (backend)Do międzynarodowego zespołu naszego Klienta poszukujemy doświadczonego i skrupulatnego QA Engineer. Osoba na tym stanowisku będzie odpowiedzialna za z ...

Senior BackEnd Engineer

OverviewCAREERS TO SMILE ABOUTAt PepsiCo, you’ll discover a place where our mission is to create smiles around the world. With a portfolio of more than 500 beloved brands including, Gatorade, Lay’s and Quaker, our work touches millions of people every day.At the heart of the compan ...

IT Engineer Backend

MAKE HISTORY WITH US! We are seeking a skilled and motivated Backend Engineer to join our IoT Platform team. This role is critical to delivering the new initiatives, focusing on scalable backend services that support our connected devices and data-driven operations ...

Java Backend Engineer

About LoopMeLoopMe is an AI company solving one of advertising's hardest problems: making brand advertising actually measurable — and making it perform. Our platform runs patented machine learning models across billions of consumer signals in real time, optimising campaigns toward ...

Web Developer (.NET)

As a Web Developer, you will play a key role in strengthening our internal capabilities for maintaining and developing our enterprise web platforms. Working across Sitefinity CMS and modern .NET technologies, you will collaborate closely with Global Marketing, IT, and internal stakeholders to build scalable s ...

Senior Front End Developer

Market Enterprise Functions At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into re ...

Senior QA Automation Engineer ID72456

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

Junior Full Stack Engineer ID68431

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

Senior Frontend Engineer ID72472

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

Senior Software Engineer (Backend)

Senior Software Engineer (Backend) – Java📍 Kraków | Hybrid (2x day per week from the office) We are looki ...

Senior Backend Engineer ID68432

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID68432

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID68432

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Wor ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID63544

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Wor ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

QA Tech Lead (Backend)

As our backend QA Tech Lead your primary emphasis will focus on coordinating quality assurance efforts across multiple business units. Establishing standards, methodologies, and approaches for automated testing, while driving their implementation through collaboration and guidance. The objective is to ensure ...

Backend/FullStack Engineer (Java)

Lokalizacja: Kraków / Warszawa / dowolnie (praca hybrydowa)Stawka: 170–250 PLN/h (w zależności od seniority)<p data-start=316 data-end= ...

Senior Software Engineer (Backend)

Kitopi is the world’s leading tech-powered multi-brand restaurant. With a mission to satisfy the world’s appetite, Kitopi operates a portfolio of both invested and franchised F&B brands, serving as enablers in the food market by helping brands to grow and scale, both in the delivery and dine-in space.Launched in ...

Senior Backend Engineer ID63544

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

Senior Backend Engineer ID68432

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

Junior Full Stack Engineer ID68431

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Junior Full Stack Engineer ID68431

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Junior Full Stack Engineer ID68431

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Wor ...

Full Stack Developer ID63542

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

AI Developer

Market Enterprise Functions At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into re ...

Talent Community | Senior JavaScript Full Stack Engineer ID57978

Job DescriptionAre you looking for your next big challenge? We are proactively building a "Strategic talent pool" for several high-priority projects set to launch in the coming months. Please Note: This is a proactive pipeline ...

Talent Community | Senior JavaScript Full Stack Engineer ID57978

Are you looking for your next big challenge? We are proactively building a "Strategic talent pool" for several high-priority projects set to launch in the coming months. Please Note: This is a proactive pipeline hiring initiative. While t ...

Talent Community | Senior JavaScript Full Stack Engineer ID57978

Job DescriptionAre you looking for your next big challenge? We are proactively building a "Strategic talent pool" for several high-priority projects set to launch in the coming months. Please Note: This is a proactive pipeline ...

Talent Community | Senior JavaScript Full Stack Engineer ID57978

Are you looking for your next big challenge? We are proactively building a Strategic talent pool for several high-priority projects set to launch in the coming months. Please Note: This is a proactive pipeline hiring initiative. While the start date isn't tomorrow, pre-vetting now ensures you get priority visi ...

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