Top Software Engineer Jobs in Warsaw

Support and maintain QA environments, develop test plans for B2B IAM systems, execute tests, participate in Scrum processes, and ensure application stability.

Design, build, test, and deploy scalable payment services and web applications. Collaborate cross-functionally in agile teams to improve product quality, automate testing, resolve defects, and mentor peers while using technologies like Java, Spring, Angular, and cloud/container tooling.

Design, develop, and maintain enterprise test automation suites; analyze requirements; write and run automated tests for services and web applications; collaborate with product, development, and DevOps teams to improve product quality, CI/CD, and scalability.

Support and maintain QA/test environments for B2B IAM systems, author and execute functional, regression, API, and performance tests, contribute to automation frameworks and CI/CD pipelines, perform root cause analysis, and collaborate with cross-functional teams to ensure stable, production-like releases.

Responsible for maintaining QA and test environments, executing functional testing, contributing to automation frameworks, and collaborating with cross-functional teams.

Build and maintain SnowCommand, Snowflake's internal production gateway. Develop and refine critical workflows, implement full-stack features (TypeScript services, Kubernetes), design metrics and experiments, collaborate with product and design, coordinate across partner teams, instrument and troubleshoot production systems, and contribute to product vision and planning.

Design, implement, deploy, and maintain scalable, resilient web applications and services for a cloud contact center. Collaborate with stakeholders and cross‑region engineering teams, participate in product planning and sprint meetings, document architecture and troubleshooting, and continuously evaluate new technologies.

Design, build, and operate scalable, high-performance Java services for 24/7 sports data and betting products. Own complex initiatives end-to-end, contribute to cloud-native AWS architecture, mentor engineers, improve code quality and testing, and collaborate with product and engineering leadership on technical direction.

Develop and maintain high-performance Java services that process millions of live sports events daily. Work across design, implementation, testing, and production, contribute to cloud-native AWS solutions, collaborate on architecture, apply TDD, write clean well-tested code, and grow through pair programming with senior engineers.

Design, build, and operate scalable, high-performance Java services for 24/7 sports data and betting platforms. Own complex initiatives end-to-end, contribute to cloud-native AWS architecture, improve code quality and testing, mentor engineers, and collaborate with product and leadership on technical direction.

Build and maintain high-performance Java services that run 24/7 at global scale. Work across feature lifecycle — design, implementation, testing, production — for cloud-native, distributed systems on AWS. Collaborate on architecture, write well-tested code, embrace TDD, and grow through pair programming while processing millions of live sports events daily.

Develop and harden ThinkRail by building VS Code and IntelliJ plugins, implementing the language server (analysis, completion, diagnostics, verification), improving the spec-to-code evaluator, and integrating with AI agent frameworks and protocols.

As a Senior Software Engineer, you will design and develop data integration applications, optimize data ingestion, mentor engineers, and collaborate with cross-functional teams to create robust connectors for data transfer into Snowflake.

Design, build, and operate backend services for the merchant Account Experience platform. Own features end-to-end from design through production, focusing on reliability, performance, and observability. Participate in architecture discussions, code reviews, incident resolution, and maintain high engineering standards across services.

Design, build, test, and deploy components of Akamai's Cloud Load Balancer and cloud-networking products. Collaborate with global teams to produce high-quality, scalable software, share best practices, and leverage LLMs to accelerate development and debugging.

Design, build, test and support batch and streaming data pipelines and curated datasets on a modern lakehouse/AI platform. Improve data modelling, quality, reconciliation, performance and operational reliability, partner with stakeholders, and provide technical leadership for delivery.

Design, build, test and support batch and streaming data pipelines and curated datasets on a Lakehouse/AI data platform. Implement data modelling, schema evolution, partitioning and data quality controls. Work with stakeholders to deliver production-ready, well-tested, high-performance data products and support operational monitoring and reconciliation.

Build and operate secure, scalable developer platform capabilities across cloud infrastructure, CI/CD, IaC, containerization, and developer tooling. Collaborate with engineering teams to migrate workloads, automate operations, improve reliability, document guidance, and integrate AI-assisted developer workflows.

As a Software Engineer, you'll develop software for Ceph and distributed storage, collaborating with a global team to enhance cloud solutions.

Develop and maintain cross-platform applications using Kotlin Multiplatform. Collaborate with the engineering team, participate in design and code reviews, write automated tests, and ensure application quality and performance.

Canonical is hiring a Software Engineer to develop features for Kubernetes, focusing on operators and integrations while collaborating in a distributed team.

Own quarterly engineering goals for the Recoveries team, delivering scalable backend systems that maximize charged-off loan recovery and reconcile partner discrepancies. Lead engineers through ambiguous problems, collaborate with product, design, analytics, and risk stakeholders, and ensure operational reliability through metrics, monitoring, on-call support, and failure handling. Establish quality standards, guide technical design and implementation, contribute to large codebases, and mentor engineers through feedback and technical leadership.

Develop, test, and deliver C++ features for a Windows-based 3D CAD system and supporting cloud services. Implement and prototype functionality, improve algorithms for performance, write unit tests, participate in code reviews, and collaborate with QA, product, and cross-functional teams to clarify requirements and ensure high-quality releases.

Provide technical support for applications: investigate and resolve issues, develop and implement interfaces, create support documentation, collaborate with Design/Test/Dev teams, estimate resources, and monitor project performance.

Investigate and resolve verified application issues, develop and implement interfaces, create technical support documentation, collaborate with design, test and development teams, provide user support, estimate resource timings, and monitor project performance to meet goals.