151 backend developer English-speaking jobs in Katowice
Backend developer (.net + azure)
- Aebi Schmidt Polska Sp. Z O.o
- katowice
- June 29
NET SQL Server responsibilities :
As a Backend Developer, you will build and evolve services that process ... Core Development: Design and develop backend services using C#,. ... You won’t just be closing tickets - you’ll be solving non-trivial backend problems related to performance ... reliability, and maintainability requirements-expected :
This role is for you if: You enjoy working on backend ... architectures Experience working with high-volume or near real-time data General Good understanding of backend
Backend Developer
- Anitech Solutions
- Katowice
- June 17
Description The Back End Developer will develop and maintain APIs, services, and server-side logic and ... Responsibilities Design, build and implement backend services and APIs Design data models and manage ... data protection measures Optimize performance and security of systems Requirements Strong knowledge of backend
Cloud Infrastructure Engineer (Elasticsearch) @ Shiji Poland
- Shiji Poland
- Katowice
- June 24
Minimum 2 years of commercial experience as DevOps / SRE / SysAdmin / Backend Developer Minimum 1 year
Fullstack Developer
- Cloudfide
- Katowice
- June 7
strong Python backend skills. ... You are A Frontend/Fullstack Developer with 2.5 years of experience, combining deep React expertise with ... strong proficiency in React and modern JavaScript/TypeScript Very strong proficiency in Python and backend ... scalable frontend applications with a focus on performance and user experience Build and maintain robust backend
FullStack Developer (React .NET) @ iTeamly
- iTeamly
- Kraków, Katowice
- June 18
4 years of commercial experience as a Full Stack or .NET Developer Strong experience with .NET and C# ... The role is focused on backend development in .NET, frontend development in React, and building scalable ... project and technical development opportunities ,[Developing and maintaining web applications, Building backend
NET Developer
- Klient justjoin.it
- Katowice
- June 21
We are looking for a .NET Developer to join our team and help build scalable, high-quality solutions ... In this role, you will work on the development and enhancement of backend systems, contribute to architectural ... business requirements into scalable and maintainable technical solutions Develop and enhance REST APIs and backend
PHP Laravel Developer Cybersecurity
- Rublon
- Katowice
- June 22
We are looking for a Regular or Senior PHP Laravel Developer who wants to work long-term on scalable, ... sponsored certifications Benefits: private medical care and MultiSport card What You’ll Do As a PHP Laravel Developer ... You will work primarily on backend systems and APIs, with frontend development in Angular where needed ... building and improving cloud-based cybersecurity and authentication technology, including: Scalable backend ... IGA, and IAM systems Frontend components in Angular where needed, with the main focus remaining on backend
Net Developer
- Miquido
- Katowice
- June 5
with team members and support technical discussions Requirements 2.5–4 years of experience as a .NET Developer ... About the project You’ll be working on backend systems within the energy and logistics domain , focusing ... Duration: ~3 months (with possible extension) Your role Develop and maintain backend applications using
Senior Python Developer
- Endysoft
- katowice
- June 5
We are seeking a highly skilled Senior Python Developer to play a key role in building a Cloud Automation ... supporting enterprise-grade infrastructure.Roles and ResponsibilitiesDesign, develop, and maintain backend ... As part of our team, you will develop and maintain backend services, integrate with cloud APIs, and contribute ... cloud platforms and technologies such as VMware and OpenStack.Experience with PostgreSQL or MSSQL for backend ... If you’re passionate about backend development, infrastructure automation, and solving real-world challenges
Senior .NET Software Engineer
- Dotlinkers IT recruitment
- katowice
- June 1
Your role as Senior Developer requires quality engineering experience. ... 20%), internal meetings and analyses (~20%).RequirementsMinimum 5 years of professional experience in backend ... product managers to define and implement business logic and data models.Maintain and optimize existing backend ... standards, and mentor junior engineers to elevate code quality across the team.Stay informed about new backend ... Python, Bash, PowerShellResponsibilitiesLead the development and deployment process of robust, scalable backend
Fullstack ReactJava Developer heating industry
- Britenet
- Katowice
- June 27
Develop robust backend APIs for resource scheduling, allocation logic, and core modules. ... Build your own AI-based work environment using advanced developer tools to maximize efficiency. ... international client from the heating solutions industry, we are looking for an experienced Fullstack Developer
Senior Backend Engineer (C# & AWS)
- Northmill Oy
- katowice
- June 4
The scope of your role:As a Senior Backend Engineer, you will take part in the process of the design
Mobile App Developer
- cloudatus
- Katowice
- June 5
Embark on a journey of continuous growth and advancement as a Mobile App Developer , becoming an integral ... performance, quality, and responsiveness across a wide range of devices Connect mobile apps to the backend ... automated tests (Unit and UI) to maintain high-quality standards Collaborate closely with designers, backend ... managers Work in a young, dynamic team responsible for the entire product ecosystem—from hardware to backend
Salesforce Developer
- Expereo International
- katowice
- June 17
Salesforce certifications such as Platform Developer I/II, JavaScript Developer I, or relevant Cloud ... Experience in programming in Java, .NET, or some other object‑oriented backend technology. ... troubleshoot, and optimize Salesforce performance and reliability, collaborating with SRE/DevOps and backend ... in cross‑functional, outcome‑driven teams, collaborating effectively with product, architecture, and backend ... Must have
Proven experience as a Salesforce Developer (typically 3+ years) with hands‑on expertise in
Backend Engineer
- Upside
- Katowice
- June 2
Responsibilities Technical Execution: Build and maintain scalable backend systems with a focus on clean ... Role Overview As a Backend Engineer, you’ll be integral to building and scaling platforms for our global
Fullstack Developer
- Vaillant Group Business Services
- Katowice
- June 18
Your responsibilities will include developing robust backend APIs for scheduling, allocation logic, and
Senior Salesforce Developer
- Expereo
- katowice
- June 9
troubleshoot, and optimize Salesforce performance and reliability, collaborating with SRE/DevOps and backend ... in cross-functional, outcome-driven teams, collaborating effectively with product, architecture, and backend ... I/II, JavaScript Developer I, or relevant Cloud Consultant credentials.MindsetBuilder mentality with ... As a Salesforce Developer, you will be part of a cross‑functional squad that owns mission‑critical lead‑to‑cash ... workflows) or constraint solving/data-driven architectures.Salesforce certifications such as Platform Developer
Senior Fullstack Developer
- SD Worx Poland
- Katowice
- June 7
About the role: The Full Stack Developer will have to ensure the delivery of quality software solutions ... At least 4 years' experience in software development Experience in backend technologies and building
Java Developer Freelance
- Netguru
- Katowice
- June 5
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
Senior Backend Engineer Java Kafka Streams AWS
- Yard Corporate
- Katowice
- June 24
Senior / Staff Backend Engineer (Java, Kafka Streams, AWS) Location: Kraków, hybrid Contract: B2B or ... PLN/h VAT Work model: around 3 days per week from the office We are looking for a Senior or Staff Backend ... What you will do Build and evolve backend services using Java and Spring Boot Design and maintain real-time ... and engineering stakeholders across an international environment What we are looking for 7 years of backend








































