Top Software Engineer Jobs in Warsaw

Design and implement robust Rust and C++ services and libraries for trading, payments, and cryptocurrency systems. Build scalable, low-latency distributed systems, network services, and asynchronous applications supporting revenue-critical infrastructure. Collaborate with product and engineering teams, debug across the operating system, network, and application layers, and take end-to-end ownership of reliable, secure, and high-performance systems.

Develop and lead full-stack user interface features for Elastic’s Fleet and Streams products using TypeScript, React, and Node.js. Own complex projects end-to-end, make architecture and system-design decisions, establish coding standards, conduct code reviews, and promote automated testing and deployment. Collaborate asynchronously with designers, product managers, and distributed engineering teams while improving usability, performance, scalability, security, and maintainability.

Build and operate Snowflake’s Cortex AI Functions platform, enabling scalable AI inference through SQL. Responsibilities include designing distributed backend systems, implementing high-throughput services, managing concurrency and failures, developing APIs, improving reliability and observability, supporting production rollouts, collaborating with research and product teams, and mentoring engineers.

Build and operate scalable backend services, event-driven AWS systems, data pipelines, and APIs for CreatorIQ’s AI-powered brand safety platform. Integrate AI/ML inference and agents, design agent-ready APIs, optimize relational databases, improve observability and reliability, and collaborate across product, data science, ML, QA, and DevOps teams. Mentor engineers and contribute to architecture, testing, security, and production operations.

Design, build, test, and deploy cloud-native, high-scale software systems for sports media customers and broadcasters. Collaborate cross-functionally on well-architected services, improve application scalability, security, and maintainability, participate in code reviews, mentor engineers, and promote DevOps and AI-assisted development practices.

Design, build, test, and deploy cloud-native, high-scale software systems for sports media customers and broadcasters. Collaborate cross-functionally to deliver reliable services, improve scalability and security, participate in code reviews, mentor engineers, and promote DevOps and engineering best practices. The role uses modern cloud technologies, data-driven architectures, AI-assisted development tools, and automated deployment practices.

Lead the architecture, technical design, and delivery of Citi’s next-generation risk management platform. Define engineering standards, oversee distributed systems and data pipelines, guide complex integrations, ensure code quality and security, and manage technical milestones across global teams. Collaborate with business stakeholders, quantitative risk managers, architects, and product leaders while mentoring engineers and managing technology, operational, regulatory, and compliance risks.

Develop and maintain secure backend services and full-stack web applications for Akamai authentication platforms. Build scalable Python solutions, REST APIs, and integrations while applying web security and OWASP practices. Participate in system design, deployment, containerization, certificate handling, production support, and post-release troubleshooting. Collaborate across the full software lifecycle and use modern AI-assisted development tools. Optional experience includes frontend development, Java/Spring, NoSQL, and OAuth or SAML authentication systems.

Build and operate full-stack systems for an AI-powered offensive security platform. Responsibilities include developing React frontends, TypeScript APIs, Kotlin and Go backend services, deploying on AWS, designing scalable systems, optimizing databases, supporting production, and owning features from concept through deployment. The role involves close collaboration with AI and security researchers in a fast-paced remote startup.

Develops and maintains React-based web applications using JavaScript and TypeScript. Responsibilities include building features, optimizing performance and scalability, troubleshooting incidents, creating automated tests, integrating RESTful APIs, participating in code reviews, and collaborating with UX, QA, clients, and customer success teams. The role also involves applying DevOps practices and working with cloud technologies, distributed applications, databases, and messaging systems.

Build and operate Redpanda Cloud’s shared UI platform, including independently deployable microfrontends, host and remote contracts, graceful degradation, testing, observability, release workflows, and design-system components. Develop customer-facing data-intensive web applications with React and TypeScript, collaborate across frontend and backend teams, contribute to architecture standards, support on-call operations, and mentor teammates through pairing and code review.

Build and operate high-volume Python services and applications across their full lifecycle. Design reliable distributed systems, write automated tests, participate in architecture and incident response, improve platform reliability, and address technical debt. Collaborate with product, design, data, and engineering teams; guide junior engineers; and use AI coding assistants responsibly in development, testing, debugging, and documentation.

Design, implement, and scale Rust services and libraries for trading, payments, and crypto. Build reliable, high-performance distributed systems, collaborate on architecture, write testable async network code, and own production systems end-to-end.

Design, build, and maintain backend components and APIs for SimCorp Dimension using C#/.NET and related technologies. Improve performance, reliability, maintainability, and build efficiency while contributing to automated testing, continuous integration, and delivery. Collaborate with product and engineering teams, participate in technical decisions and code reviews, mentor colleagues, and use AI-assisted development tools responsibly.

Supports automotive power electronics products through production launches, software releases, manufacturing troubleshooting, root cause analysis, and lifecycle management. Serves as the technical link between manufacturing and product engineering, analyzes system and software issues, maintains test automation, supports field investigations, and contributes to FMEA, DFM, and DFA activities.

Build and maintain developer tools across SDKs, React Email, CLI, MCP, integrations, and supporting backend services. Collaborate on APIs, compatibility, testing, releases, documentation, and shared tooling. Support developers through GitHub issues and pull requests while designing reliable interfaces, error handling, and backward-compatible experiences. The role also involves operating systems with authentication, retries, rate limits, queues, monitoring, and error recovery.

Build and ship native Android features in Kotlin for an AI-enabled neobank. Collaborate with product and design to create clean user journeys, integrate backend APIs, improve performance and reliability, use analytics and production data to iterate, and implement on-device AI where it improves the UX.

Lead the architecture and technical direction of backend AI systems for CKEditor. Design scalable distributed systems, build reliable LLM integrations, and establish testing, evaluation, monitoring, and reliability practices. Develop prototypes through production solutions, write and review code, mentor engineers, and influence engineering practices. The role requires hands-on ownership of complex technical challenges and collaboration across teams without formal management responsibility.

Architect and deploy multimodal 2D/3D object detection systems using camera, LiDAR, and radar. Build data collection, evaluation, and proprietary dataset pipelines; train, monitor, and improve production perception models; develop the perception roadmap; and mentor junior engineers. The role requires end-to-end perception stack experience, cross-functional leadership, Python proficiency, and advanced education in computer science, robotics, or deep learning.

Design and build production-grade mission, behavior, and motion planning systems for autonomous ground-support vehicles in airport environments. Responsibilities include selecting planning algorithms, architecting software interfaces, optimizing trajectories, addressing uncertainty and real-time constraints, collaborating with perception and controls teams, applying safety practices, and mentoring engineers. The role requires strong C++ or Python skills, Linux experience, and hands-on autonomous systems planning experience.

Provides technical leadership for the design and development of highly concurrent, distributed backend systems. Owns architectural decisions, scalability, reliability, performance optimization, testing standards, coding practices, and cloud-native engineering strategy. Mentors engineers, collaborates with product and engineering leaders, and participates in an on-call rotation. The role requires extensive Go or JVM experience, enterprise-scale systems expertise, distributed architectures, databases, and containerized infrastructure.

Design, develop, and maintain highly concurrent, distributed backend services in a cloud-native environment. Drive architecture and technical decisions, optimize performance, build and test reliable REST services, support releases, establish engineering standards, mentor junior engineers, and participate in on-call support.

Leads technical architecture and long-term platform evolution across six engineering squads. Responsibilities include improving performance, reliability, scalability, code quality, testing, CI/CD, and observability; guiding domain boundaries and event-driven architecture; conducting design and code reviews; driving refactoring and monolith decomposition; mentoring engineers; and representing the organization in company-wide technical initiatives.

Develop and maintain automated end-to-end testing, DevOps tooling, and infrastructure capabilities for value stream teams. Responsibilities include debugging failed tests, supporting Azure infrastructure and delivery tools, guiding configuration in a DevOps approach, managing end-to-end infrastructure, and driving continuous improvement in efficiency, quality, and delivery reliability.

Develop and maintain automated API, integration, end-to-end, and UI test suites for cloud and edge services. Integrate testing into CI/CD pipelines, validate HTTP services and edge behavior, investigate failures, maintain test environments and data, and collaborate with developers, SRE, and support teams to deliver reliable releases.