Top Software Engineer Jobs in Warsaw

Build scalable backend systems and data pipelines to power consumer credit reporting. Partner with Product, Compliance, Servicing, and Credit teams to design robust reporting systems, ensure operational availability, monitor metrics, support on-call, write well-tested code, debug large codebases, and contribute to team growth and hiring efforts.

Develop systems for monitoring and predicting flight trajectories in aviation and defense. Create and deploy features tackling real-world optimization problems using a modern tech stack.

Build end-to-end full-stack AI features on a Ruby on Rails backend and React frontend, design and run experiments (A/B tests and AI evaluations), implement AI infrastructure for reliable LLM inference, and iterate quickly to scale production-ready LLM-powered products.

The Infrastructure Software Engineer will build and optimize systems managing vast data, collaborate with teams for reliability, and handle operational issues.

As a Software Engineer, you will implement and maintain scalable, reliable components for the Akamai Inference Cloud platform, focusing on cloud-native technologies, distributed systems, and API development.

As a Full-stack Software Engineer, you will develop backend systems, integrate frontend applications, and solve complex problems in a collaborative team environment.

The Senior Infrastructure Software Engineer will build scalable systems, manage large data, and innovate solutions for performance and reliability, impacting millions of users.

As a Software Engineer at Coupa, you'll design and develop platform systems, advocate best practices, and improve operational processes, contributing to a collaborative team focused on creating high-quality SaaS solutions.

Develop and maintain automated tests and testing infrastructure for Veeam products. Collaborate with development teams to design and implement test frameworks, analyze source code and test results, maintain defect databases, and support internal automated testing systems.

Join Snowflake's AI R&D team as a Software Engineering Intern, contributing to AI-powered products and collaborating on innovative projects. Gain experience in ML frameworks, distributed systems, and software development best practices.

Lead AI-native backend development: design agentic workflows and context pipelines, write agent-actionable specs, build scalable cloud services (AWS), maintain CI/CD, databases, GraphQL/REST APIs, mentor engineers, manage incidents, and drive delivery of complex initiatives using AI as an accelerator.

Build infrastructure and automation frameworks for Snowflake's cloud SaaS platform. Design and implement CI/CD pipelines, testing infrastructure, and developer tooling to improve velocity, reliability, and testability. Collaborate across teams to define policies, measure engineering velocity, and drive adoption of best practices.

Design, build, and operate low-latency treasury and financing systems using C#/.NET and React. Partner with traders and ops to translate requirements, implement DevOps and CI/CD, write automated tests, support production incidents, and mentor a distributed team while introducing scalable architecture and new technologies.

Design, standardize, and implement secure development frameworks and automation for network security. Build modular automation, APIs, and CI/CD pipelines to scale network controls; collaborate with cloud, infrastructure, and incident response teams to maintain reliability, testing, and operational excellence across on-prem and cloud network protections.

Develop and maintain a trading risk platform using C++ on Linux. Collaborate on service-oriented architecture and optimize for performance with a focus on engineering excellence.

Develop software for risk data pipelines, collaborating with trading teams to manage trade data, improve capital efficiency, and automate operations.

The Software Engineer will research, design, implement, and manage applications, ensuring security and performance while collaborating with stakeholders and resolving complex issues.

The Software Engineer will develop ML models, design experiments, implement projects, collaborate with teams, and enhance LLM-based solutions at Snowflake.

Lead organization-wide software and AI engineering strategy, design scalable cloud-native systems, drive deployment and data integration best practices, and deliver rapid prototype-to-production solutions. Own LLM and ML strategy including model fine-tuning, RAG, AI evaluation, and observability. Mentor technical leaders, shape developer experience and knowledge management, and represent engineering at executive and industry levels.

As a Principal Big Data Engineer, you will design scalable solutions, develop data pipelines, create features, and collaborate with various teams to enhance Akamai's data platform.

Senior backend engineer for Affirm's Identity International team. Design, deliver, and operate identity/KYC and user lifecycle systems for international markets. Lead technical direction, translate goals into projects, improve code quality, availability, and scalability, mentor engineers, support on-call and operational health, and collaborate with product, design, and analytics to manage risks and tradeoffs.

Lead and deliver Repayment UX mobile features using React Native; define technical plans, collaborate with product/design/analytics, support production availability and on-call, mentor engineers, improve code and design standards, and drive quality and ownership across the team.

Design, develop, and maintain scalable C#/.NET Core backend APIs and services; optimize database performance (MongoDB, SQL Server); ensure reliability via SLAs, monitoring, alerting, incident response; manage CI/CD, UAT, deployments; collaborate with cross-functional teams; write tests, participate in code reviews, and support production incidents.

Design, develop, and maintain Windows desktop audiometry software (WPF/MVVM) and related cloud services. Integrate specialized hardware, build REST APIs and Blazor components, write high-coverage unit tests, perform code reviews, and ensure regulatory-compliant, safety-critical software quality.

Own and improve the RustRover debugger across a C++ OS-specific backend (LLDB/GDB) and a Kotlin/Java IntelliJ client. Implement run/debug configs, enhance Rust expression evaluation, diagnose OS-specific C++ crashes, and design maintainable, well-tested debugger code while collaborating with QA and support.