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Backend Engineer Poland, Warsaw Jobs

12 Job Offers

Junior Backend Engineer
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Join Bolt's engineering team in Warsaw as a Junior Backend Engineer. Develop scalable backend systems and APIs using Node.js and TypeScript for unique product challenges. Work in a hybrid model with competitive salary and stock options. A great role for those passionate about microservices, cloud...
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Poland , Warsaw
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Not provided
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Bolt
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Until further notice
Backend Engineer
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Join Moss, a top startup, as a Mid-level Backend Engineer in Warsaw. Develop scalable Java/Spring microservices for key product areas like Spend Management. Collaborate with cross-functional teams to build impactful fintech solutions. Enjoy a top market package, equity, and a vibrant office culture.
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Poland , Warsaw
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Not provided
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Moss
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Senior Backend Engineer
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Join Moss, a top startup, as a Senior Backend Engineer in Warsaw. Develop scalable Java/Spring microservices for finance automation, collaborating with product and frontend teams. Enjoy a competitive package with equity, a learning budget, and flexible work-from-abroad days.
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Poland , Warsaw
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Not provided
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Moss
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Staff Backend Engineer
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Join Uncapped as a Staff Backend Engineer and shape the future for groundbreaking startups. Leverage your 10+ years of Java/Spring expertise to design high-performance microservices in a remote, self-managed team. Enjoy unlimited holiday, competitive pay, and make a significant impact from Warsaw...
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Poland; United Kingdom , Warsaw; London
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Uncapped
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Senior Backend Engineer
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Seeking a Senior Backend Engineer in Warsaw or London to build secure financial microservices. You'll need 8+ years' experience, Java/Spring expertise, and a passion for CI/CD and testing. Enjoy unlimited holiday, a growth fund, and a hybrid model (2 days/week in office).
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Poland; United Kingdom , Warsaw; London
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Uncapped
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Senior Backend Engineer
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Join a top fintech in Warsaw as a Senior Backend Engineer. Build secure, scalable microservices using Java 21 and Spring Boot in a modern GCP/Kubernetes environment. We seek an expert with 8+ years' experience, a passion for quality, and a team-player mindset. Enjoy unlimited holiday, a growth fu...
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Poland , Warsaw
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Not provided
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Uncapped
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Staff Backend Engineer
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Join Uncapped in Warsaw as a Staff Backend Engineer. This hybrid role requires 10+ years of Java/Spring expertise to design high-performance microservices. Enjoy unlimited holiday, a growth fund, and a competitive B2B contract. Drive innovation for startups while working in a self-managed, collab...
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Poland , Warsaw
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Uncapped
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Senior Backend Engineer
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Join our Health Profile team as a Senior Backend Engineer. Develop core products in a distributed system, focusing on Care Circle and health data interoperability. We seek strong backend experience across multiple stacks and proficiency with modern AI tools. Enjoy remote/hybrid work from Warsaw, ...
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Poland , Warsaw
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Gipo
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Backend Software Engineer
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Join DualEntry as a Backend Software Engineer in Warsaw. Build and own critical AI-native ERP features using Python, FastAPI, and AWS. This early-stage role offers significant equity, full ownership, and a remote-first culture for a pragmatic engineer with 5+ years of experience.
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Poland , Warsaw
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65000.00 - 135000.00 USD / Year
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DualEntry
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Backend Software Engineer
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Join a top-funded NYC startup as a Senior/Staff Backend Engineer in Warsaw. Design and build core systems end-to-end using Python, FastAPI, and PostgreSQL in a high-ownership role. Enjoy significant equity, remote work, and the chance to shape a leading AI product from an early stage.
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Poland , Warsaw
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100000.00 - 175000.00 USD / Year
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DualEntry
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Staff Backend Engineer - Product Platform
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Lead the developer experience as a Staff Backend Engineer in Warsaw. Design tools and frameworks to boost engineering productivity across the organization. Leverage AI and modern architecture to streamline workflows and set company-wide standards. Enjoy remote flexibility, equity, and comprehensi...
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Poland , Warsaw
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DocPlanner GmbH
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Senior Backend Engineer - Health Profile team
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Join our Health Profile team as a Senior Backend Engineer in Warsaw or remotely. Develop core products like Care Circle using PHP, Symfony, and cloud technologies within an Agile/XP environment. Enjoy a flexible hybrid model, share options, and contribute to making health data universally accessi...
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Poland , Warsaw
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Not provided
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DocPlanner GmbH
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Until further notice

About the Backend Engineer role

Explore the dynamic and critical field of backend engineering, where you can find some of the most sought-after and rewarding tech jobs available. Backend engineers are the architects of the digital world, building the server-side logic, databases, and application programming interfaces (APIs) that power everything from the websites you browse to the mobile apps you use daily. While frontend developers create the visual elements users interact with, backend engineers work behind the scenes to ensure data is processed, stored, and delivered securely, reliably, and at lightning speed. These jobs are fundamental to the functionality of any online service, making backend engineers indispensable in virtually every industry.

Professionals in these roles are typically responsible for designing, developing, and maintaining the core components of a software system. A typical day might involve writing clean, efficient code for new features, optimizing existing databases for better performance, and building robust APIs that allow different software components to communicate seamlessly. Common responsibilities include developing and managing servers and serverless architectures, integrating with third-party services and data sources, and ensuring the security of data against cyber threats. Furthermore, backend engineers are tasked with implementing data storage solutions, which can range from traditional SQL databases to modern NoSQL systems, depending on the project's needs. A significant part of these jobs also involves creating and maintaining continuous integration and continuous deployment (CI/CD) pipelines to automate testing and deployment, as well as designing comprehensive monitoring and alerting systems to guarantee high availability and quickly resolve any production issues.

To succeed in backend engineer jobs, a strong foundation in computer science principles is essential. Candidates typically need proficiency in one or more server-side programming languages such as Java, Python, C++, Go, or Scala. A deep understanding of database technologies, both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Redis), is a standard requirement. Knowledge of web frameworks, containerization tools like Docker and Kubernetes, and cloud service providers (AWS, Google Cloud, Azure) is also highly valued. Beyond technical prowess, these roles demand strong problem-solving skills to debug complex issues and architect scalable systems. Effective collaboration is key, as backend engineers frequently work alongside frontend developers, product managers, and data scientists. They must be proactive, adaptable to evolving technologies, and committed to writing well-documented, tested code. Whether you are an entry-level developer or a seasoned tech lead, backend engineer jobs offer a challenging and impactful career path at the heart of technological innovation.