Top Software Engineer Jobs in Poland

Join as an SDET to write and maintain automated domain, E2E smoke, and regression tests for a Kafka-based microservices platform. Monitor test and production health via Grafana, analyze logs in SolarWinds, manage test cases in TestRail, define acceptance criteria and test strategy, and integrate tests into CI/CD pipelines.

The role involves designing and implementing features, debugging, maintaining documentation, and collaborating with the community in the Mir graphics stack.

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

Build and scale Base360.ai: design APIs, services, and cloud-native infrastructure; implement event-driven automations, AI-powered workflows, and integrations (Airbnb, Stripe, Twilio, OpenAI). Own projects end-to-end to automate operations, improve pricing and guest experiences, and enable global scaling.

The Software Engineer II role involves designing, developing, and maintaining innovative product features, collaborating on architectural discussions, mentoring peers, and delivering scalable solutions.

Build and maintain North's Agents & Automations platform: design and ship frontend and backend features, execution engine, integrations, debugging, observability, evaluation, and feedback systems to enable reliable AI-powered workflows.

Build and maintain high-throughput data pipelines, design schemas and data models, implement IaC and CI/CD, collaborate with Data Science/AI on feature stores and MLOps, monitor containerized systems, and advise stakeholders on data architecture.

Join an Agile team to design, implement, and maintain scalable web applications using .NET Core and React on cloud platforms. Contribute to code reviews, CI/CD, proof-of-concepts, and migrate legacy systems to AWS. Collaborate with data analysts, product owners, and teammates to deliver high-quality, production-ready solutions and support GenAI/LLM integrations.

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.

Join a cross-functional product team as a Senior Backend Engineer to design and implement resilient, secure .NET microservices. Responsibilities include building and maintaining APIs, diagnosing performance issues, writing comprehensive tests, addressing security vulnerabilities, interpreting code metrics to improve maintainability, and collaborating directly with clients while staying current with technical trends.

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.

Lead enterprise AI engineering: set architecture and standards, design and deliver strategic LLM/agent/RAG systems, integrate AI with Snowflake, AWS, ThoughtSpot and MCP, enforce governance/security/observability, mentor senior engineers, drive cross-functional alignment and present strategy to leaders and external audiences.

Ensure quality and reliability of the LenelS2 OnGuard system by developing and executing test plans, building regression testing frameworks, automating desktop tests, collaborating with developers in a scrum team, and using advanced testing tools to identify defects.

Responsible for developing and supporting kernels for linear algebra operations on AI hardware, optimizing performance and debugging issues.

As a Senior Software Engineer, you will analyze ML software performance, identify bottlenecks, optimize across teams, and produce detailed performance reports.

The Senior Software Engineer will design and evolve an ML application-level simulator, predict system behavior, and work with various teams to drive its adoption as a decision-making tool.

The Staff Software Engineer will set technical strategies, develop backend systems, collaborate across teams, ensure operations, and foster a culture of quality and ownership. Responsibilities include leading projects and mentoring team members.

Develop and enhance MAAS core components, improve architecture, collaborate across teams, and ensure high standards in documentation and CI practices.

The role involves developing enterprise system integrations primarily for NetSuite, Salesforce, and Bullhorn, focusing on API design, data migration, and system maintenance.

Develop low-level software that interfaces with networking ASICs, FPGAs, and PCIe bridges. Implement latency analysis, event tracking, and performance optimizations. Integrate CPUs/BIOS with the OS and qualify supporting hardware components for product bring-up.

Design, develop, test, deploy, and support custom software that extends the OnGuard security platform. Deliver custom reports, data import/export, integrations, and database programming (stored procedures/triggers). Perform remote and occasional on-site installations and provide sustaining engineering and customer support.

Build and maintain scalable Python backend services and REST APIs, contribute to React/TypeScript frontends, work with data pipelines and relational databases, support deployment/monitoring, debug full-stack customer issues, partner with product and customer success, expand test coverage and ship weekly releases.

As a Software Engineer Intern, you will support the HFS team with transformation initiatives, focus on product upgrades, platform modernization, and utilize a variety of technologies while participating in Scrum ceremonies and technical documentation.

As a Fullstack Software Engineer, you will maintain and improve CaptivateIQ's core platform, design features, and ensure high engineering standards.

The Associate Software Systems Engineer will develop and maintain software for avionics systems, contributing to architecture, design, and project management, while ensuring compliance with industry standards.