Top Software Engineer Jobs in Warsaw

Develop and modernize clinical research software using C++ and Go; maintain legacy code, implement unit/integration tests, ensure regulatory compliance, collaborate with cross-functional teams, and use AWS, Kubernetes, Docker, and CI/CD in an Agile/Scrum environment.

Lead frontend architecture evolution from monolith to modular platform, define standards and extension points, align cross-team initiatives, mentor engineers, improve performance, reliability, developer experience, and influence long-term frontend strategy and roadmaps.

The SDET will ensure quality for cybersecurity features by designing test strategies, building frameworks, and conducting various tests within a remote team setting.

The Senior Software Engineer will design and implement complex backend services, focusing on billing logic, API development, and AI integration within a remote team, ensuring quality and scalability.

The Lead Software Engineer will lead technical teams to design and build cloud-native applications on Microsoft Azure, enforce architectural standards, oversee CI/CD practices, mentor engineers, and ensure high product quality and performance.

Design, build, and maintain APIs and systems at Telnyx, debug production issues, improve engineering standards, and collaborate across teams.

Lead and own platform architecture across Infrahub ecosystem, implement high-impact architectural improvements, reduce technical debt, champion AI-first engineering, provide hands-on technical leadership, mentor engineers, and collaborate with product and leadership to ensure scalable, extensible systems.

Build and own end-to-end features across Sona’s platform using AI-assisted development. Direct and correct agent-produced code, work cross-functionally, engage customers in discovery and workshops, and contribute across scheduling, payroll, HR, and mobile domains.

Own and improve core scraping and job-execution infrastructure for high-throughput distributed workloads. Design fault-tolerant, observable systems, lead reliability and scaling efforts, define SLAs, run incident response, mentor engineers, and contribute to architecture decisions to maximize throughput and platform availability.

Lead decomposition of a PHP monolith into Go microservices, design and operate scalable distributed systems (Kafka, Temporal, OpenSearch, Memgraph), integrate network telemetry and third-party APIs, maintain Terraform-managed cloud infrastructure, enforce SLAs/SLOs and CI/CD quality, mentor engineers, participate in on-call rotations, and drive platform architecture and reliability.

Build and architect Alpaca's advisory services (block trading, portfolio management, IRA). Design scalable, low-latency distributed systems, write full-stack code, optimize throughput, work with messaging systems and OMS, and implement high-availability, concurrency-safe solutions for financial trading/exchange workloads.

Build and maintain core post-trade clearing systems and securities-finance infrastructure. Own projects end-to-end, design reliable distributed services and RESTful APIs, integrate new clearing partners, participate in on-call rotation, and improve systems to enable new product offerings.

As a Senior Software Engineer, you'll design and build scalable market data systems, improve API architecture, and enhance overall system performance, contributing to Alpaca's infrastructure for trading financial assets.

The Senior Software Engineer will develop Python microservices, design RESTful APIs, manage AI systems, and ensure integration with existing infrastructure while collaborating with teams.

The Senior Software Engineer will lead software development for structural optimization, mentor junior engineers, and collaborate with structural experts, using Python and various libraries.

Own the architecture and roadmap for a high-reliability, multi-channel alerting service. Design routing, escalation, Temporal workflows, per-tenant configuration, channel integrations, delivery guarantees, and long-running state. Drive cross-team alignment and mentor engineers to ensure reliable, composable notification delivery.

Seeking a Senior Software Engineer to build AI inference systems. Responsibilities include optimizing GPU kernels, architecting inference stacks, and defining benchmarking methodologies. Requires strong programming skills and experience in ML systems.

As a Fullstack Software Engineer at Amplemarket, you will design and build features for our AI-powered sales platform, collaborating with co-founders and cross-functional teams to enhance user experience and solve complex problems.

As a Frontend Software Engineer, you will build user interfaces for Amplemarket's sales platform, collaborating with co-founders and cross-functional teams to enhance product usability and user experience.

Amplemarket seeks a Senior Backend Software Engineer to build reliable backend systems, design APIs, collaborate cross-functionally, and drive product development.