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Senior Engineer (Backend) Poland Jobs

12 Job Offers

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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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Moss
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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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Poland
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Apollo.io
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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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Uncapped
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Senior Software Engineer - Backend
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Join our Hub team in Łódź as a Senior Backend Engineer. You will design and build high-volume microservices in Java/Kotlin and Spring for critical third-party integrations. Leverage your AWS and distributed systems expertise to enhance our parking platform. We seek a proactive problem-solver dedi...
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Poland , Łódź
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Arrive
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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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Senior Backend Software Engineer
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Join Atlassian in Gdańsk as a Senior Backend Engineer. Drive complex cloud-focused projects for products like Jira and Confluence using Java and microservices. Mentor junior engineers while enjoying health coverage and paid volunteer days in a collaborative R&D environment.
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Poland , Gdańsk
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Atlassian
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Senior Backend Engineer
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Join Apollo as a Senior Backend Engineer in Poland. Design and implement highly scalable distributed systems and RESTful services. Leverage 5+ years of experience, mentor others, and drive projects using modern tech like AI tools. Thrive in a collaborative, growth-focused environment.
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Poland
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Apollo.io
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Senior Backend Engineer
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Join Coralogix as a Senior Backend Engineer in Poland. Design and develop high-scale, cloud-native backend services in Rust and Scala/ZIO, deployed on AWS/Kubernetes. You'll process terabytes of daily data for our observability platform. Requires 5+ years of experience, including 2+ years of prod...
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Poland
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Coralogix
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Senior Software Engineer - Backend focused
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Join Viator, a Tripadvisor company, as a Senior Backend Software Engineer in Kraków. You'll design, build, and deploy systems for the world's leading travel experiences marketplace, using Java or similar. Enjoy a flexible schedule, travel perks, and a full-cycle engineering role with rapid produc...
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Poland , Krakow
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Tripadvisor
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Senior Software Engineer, Backend (Java)
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Join our team as a Senior Backend Engineer (Java) and help build a platform connecting millions to their ideal jobs. You'll design distributed systems on AWS/Kubernetes, applying TDD and clean architecture principles. We offer a remote-friendly culture in Poland, competitive salary, and meaningfu...
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Poland
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SmartRecruiters
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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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DocPlanner GmbH
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About the Senior Engineer (Backend) role

Explore Senior Engineer (Backend) Jobs and discover a pivotal career at the heart of technology innovation. A Senior Backend Engineer is a seasoned professional responsible for designing, building, and maintaining the server-side logic, databases, and application programming interfaces (APIs) that power modern web and mobile applications. This role is critical for ensuring scalability, performance, reliability, and security for millions of users. Professionals in these jobs move beyond basic coding to tackle complex architectural challenges, making high-level decisions that shape the technological foundation of a product or service.

Typical responsibilities for senior backend engineers include architecting and developing robust distributed systems, designing efficient and scalable APIs, and managing data storage solutions. They are deeply involved in the entire software development lifecycle, from conceptualization and technical design to deployment and ongoing optimization. A key aspect of the role is leading major technical initiatives, breaking down large projects into manageable deliverables, and mentoring mid-level and junior engineers. Senior engineers also champion best practices, conducting thorough code reviews, advocating for clean and maintainable code, and implementing robust testing and monitoring strategies.

The common skill set and requirements for senior backend engineer jobs are extensive. Expertise in one or more backend programming languages such as Java, Python, Go, C#, or Ruby is fundamental. A deep understanding of system design principles, including microservices architecture, database management (both SQL and NoSQL), and cloud platforms (AWS, Azure, GCP), is essential. These roles demand strong problem-solving abilities, a data-driven mindset for decision-making, and a focus on creating secure systems. Seniority is characterized by autonomy, the ability to drive projects to completion, and a proactive approach to collaborating with product managers and other engineering teams to align technical execution with business goals. Success in these positions also requires excellent communication skills to explain complex technical concepts and a commitment to continuous learning in a rapidly evolving field.

If you are an experienced developer seeking to leverage your technical leadership and deep architectural knowledge, browsing senior backend engineer jobs is your next step. This career path offers the opportunity to build foundational technology that drives user experience and business success, providing a challenging and rewarding environment for top engineering talent.

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