Top Software Engineer Jobs in Warsaw

Design, implement, test, deploy, and maintain cloud-native full-stack features. Collaborate with cross-functional teams, follow software engineering best practices, participate in code reviews, troubleshoot issues, and leverage AWS and event-driven architecture to build scalable, maintainable applications.

Design and build highly scalable, low-latency market data systems and APIs. Implement backend services, influence architecture, maintain test coverage, participate in code reviews, troubleshoot incidents, and occasionally be on-call. Work spans streaming and historical market data endpoints and developer-focused API improvements.

The Senior Software Engineer will drive product implementations, engage with clients, inform product requirements, and mentor team members while using a diverse technology stack.

Design, develop, and maintain scalable backend services and contribute to frontend features. Influence architecture and technical decisions, write well-tested code using TDD, troubleshoot production issues, mentor teammates, and collaborate with Product and cross-functional stakeholders to deliver reliable, high-performance SaaS solutions.

Join Reedsy to develop and improve a collaborative word processor, adding features and ensuring performance and security for users.

The Staff Software Engineer will guide project delivery, collaborate with clients, define product requirements, and support an effective engineering culture.

The Software Development Engineer I will design and implement microservices, improve system performance, and mentor junior engineers. Responsibilities include coding, debugging, and developing features from design to deployment in a remote setting.

Design, implement, and optimize Python-based AI/ML backend solutions. Integrate models with production systems, collaborate with data scientists, ensure scalable APIs and services, and contribute to DevOps and process improvements.

Design and implement core Web3 protocol features and secure smart contracts in Solidity. Integrate blockchain solutions with cross-functional teams, ensure scalability and performance, stay current on EVM internals, conduct code reviews, and mentor junior engineers.

Design and implement a video processing engine, develop a cross-platform rendering engine, integrate systems, and optimize performance while collaborating with other engineers.

As the AI Agents Solutions Architect at Kraken, you'll design and build an AI-native finance operating system, automating finance operations and ensuring compliance in a regulated environment.

Design and implement frontend applications and API services for Akamai's cloud storage platform, integrate with platform services, troubleshoot complex issues, and improve application quality, maintainability, and performance.

Design and implement real-time telemetry pipelines and fault-tolerant integration layers between IT and OT systems for datacenter power and grid-aware workload control. Own architecture and delivery of safe, reliable control systems from edge to control plane.

Design and implement large-scale browser-based rendering infrastructure to execute and extract structured content from JS-heavy web apps. Improve rendering quality, performance, cost, and throughput at internet scale and productionize rendering research.

Build browser infrastructure and tooling to provide reliable, large-scale web access for an agent-native search platform. Research website-browser interactions, fingerprinting, client verification, and browser networking. Implement instrumentation, observability, debugging tools, and translate findings into production systems at internet scale.

Design and implement tests and test frameworks for scalable, secure network software. Collaborate with cross-functional teams to test performance, reliability, and CI/CD integration for network OS, Linux networking, and monitoring systems.

Lead architecture and backend development for the vCluster platform by designing and implementing Kubernetes-native solutions in Go, owning features end-to-end, contributing to open-source, and solving deep systems challenges around multi-tenancy, isolation, and GPU infrastructure.

Lead rapid prototyping, architectural research, and complex technical projects for a Kubernetes virtualization platform. Partner with the CTO to shape product direction, integrate new technologies, and occasionally engage customers to translate needs into engineering solutions. Provide technical leadership beyond coding and mentor the team.

Architect and build core backend components of the vCluster platform by working deeply with Kubernetes internals. Write high-performance Go code, take end-to-end ownership from design to release, contribute to open-source projects, and solve complex systems and multi-tenancy problems for GPU and Kubernetes-based infrastructure.

Develop core backend components for a blockchain network, focusing on reliability and scalability, mainly using Rust. Ensure code quality through testing and debugging.

The Senior Full-stack Engineer will design and build features in TypeScript, driving projects with a product mindset and collaborating in a dynamic startup environment.

The Staff Software Engineer will lead technical direction, improving system design and mentoring others while writing code and collaborating across teams for a cloud-based generative coding platform.

Develop a quest gameplay engine for game server and mobile apps and build a visual no-code quest editor. Collaborate in one-week Scrum sprints, design software architecture, and use C++/Qt, JavaScript/TypeScript, git, and Linux.

Develop and maintain mobile app and no-code quest editor, implement gameplay engine and server, design software architecture, and collaborate in one-week Scrum sprints using C++, Qt, QML, MySQL, and AI-assisted tools.

Design, develop, and deliver scalable on-premise billing features for payments, invoices, and statements. Collaborate with Product, Architecture, Security, BI, DBA, and QA. Create Confluence technical documentation (ERD, UML, process flows). Troubleshoot production incidents and optimize system performance within Agile/SCRUM teams.