Top Software Engineer Jobs in Poland

The role involves developing and evolving commercialization tools and systems, collaborating with cross-functional teams, and solving real-world problems related to workflow optimization.

The Cycle Software Engineer will develop low-level software for washing and cleaning cycles, manage software maintenance, and perform testing and compliance evaluations.

Work on CloudStudio platform: design, implement and maintain Kubernetes workloads, containerized development workspaces, IaC (YAML/Helm), CI/CD pipelines, observability, and support developer tooling. Collaborate with senior engineers, other developer services teams, resolve workspace issues, and contribute documentation and onboarding materials while learning platform engineering and security practices.

Work on CloudStudio platform: design, implement and maintain Kubernetes workloads, containerized development workspaces, Helm/YAML infrastructure-as-code, and CI/CD pipelines. Support observability, logging, troubleshooting, documentation and onboarding while learning from senior engineers and collaborating with developer services teams.

Build and maintain backend integrations connecting a public safety platform to third-party systems. Design Java/Spring Boot integration workflows, implement REST/SOAP/GraphQL APIs, support RMS/CAD/Booking products, write tests, debug production issues, document solutions, and collaborate across teams to deliver secure, scalable integration services.

Develop and maintain concurrent, distributed backend services for high-volume systems. Contribute to architecture, design, testing, performance profiling, and releases. Estimate implementation effort, support on-call rotations, and uphold coding standards and documentation.

Build and operate MLOps and GenAI infrastructure: data acquisition, annotation, transformation and versioning; experiment tracking and reproducibility; scalable model training and inference platforms; automated, secure deployment pipelines with observability, versioning, rollback and multi‑tenant scaling.

As a Senior Software Engineer, you will design and develop data integration applications, optimize data ingestion, mentor engineers, and collaborate with cross-functional teams to create robust connectors for data transfer into Snowflake.

Develop and harden ThinkRail by building VS Code and IntelliJ plugins, implementing the language server (analysis, completion, diagnostics, verification), improving the spec-to-code evaluator, and integrating with AI agent frameworks and protocols.

Develop 5G User Plane Control software, support feature development, review design solutions, maintain architecture integrity, and drive testing strategies.

The Senior Software Engineer will lead engineering teams, mentor junior engineers, and ensure system reliability and performance while developing backend services.

Drive end-to-end performance and scalability testing for NVIDIA DGX Cloud across Kubernetes and NVIDIA components. Develop automated workload tests, monitoring and CI/CD frameworks, triage complex distributed-system issues, collaborate with customers and upstream open-source communities, and document and present findings.

Lead full-stack development of cloud-native SaaS transportation solutions: prototype, design, build and deploy responsive React front ends and scalable C#/.NET back ends, implement REST APIs, optimize performance/security, use AI-assisted coding, and operate CI/CD and cloud infrastructure (Azure/Docker) in an agile international team.

Lead backend engineer on the Repayment Scheduling team responsible for owning and delivering quarterly goals, designing and operating backend systems that automate and orchestrate payments at scale. Collaborate with product, design, and analytics; define technical plans; improve availability and observability; support on-call and operational efforts; set code and design standards; and mentor and develop engineering talent.

Build and operate secure, scalable developer platform capabilities across cloud infrastructure, CI/CD, IaC, containerization, and developer tooling. Collaborate with engineering teams to migrate workloads, automate operations, improve reliability, document guidance, and integrate AI-assisted developer workflows.

Lead design and delivery of backend-focused, high-scale digital banking features across the full SDLC. Architect microservices, integrate APIs, mentor engineers, improve CI/CD and system resilience, and build LLM-based assistants and personalization using OpenAI and ML models while ensuring security and scalability.

Design and deliver data-driven solutions by partnering with SMEs, building ML models and data pipelines, tracking solution impact via attribution, and managing technical knowledge communications.

Build and own end-to-end features across backend and frontend: design backend services and data models (Python/Django), implement RESTful APIs, create reusable frontend components (TypeScript/React), write tests, participate in code reviews, maintain production reliability and security, and collaborate with product and design.

Own regression and automated testing for the LenelS2 OnGuard system: develop and execute test plans, build regression testing frameworks, automate desktop and web tests, collaborate with developers in a Scrum team, and use advanced testing tools to find defects.

Design and develop cloud-native services and APIs using microservices/modular monolith patterns; migrate legacy components to cloud architectures; ensure security/compliance; collaborate with product, QA and operations; mentor junior developers and participate in code reviews.

Design, develop, and maintain Windows desktop and web applications for an intrusion and access control platform. Lead platform architecture, integrate communication systems, support customers and external developers, mentor junior engineers, and deliver scalable, secure solutions.

Design and develop hybrid‑cloud solutions using Kubernetes and cloud/on‑prem patterns, build and improve CI/CD pipelines, implement monitoring and observability, ensure security and regulatory compliance, and collaborate with product, QA, and operations to deliver scalable services.

Design, implement, and maintain multi-tenant cloud SaaS solutions within a full-stack delivery team. Participate in feature planning, architecture, testing, documentation, and mentor peers while delivering customer-facing features in a continuous delivery environment.

Develop and implement software for the LenelS2 OnGuard platform across the full SDLC. Collaborate with international, cross-functional teams to build secure, client-facing building automation solutions and apply GenAI coding assistants to accelerate development.

Design, develop, test, deploy and support custom software extending the OnGuard platform. Build custom integrations, Crystal Reports, SQL stored procedures/triggers, and REST APIs. Provide remote and occasional on-site installation and sustaining engineering, prepare requirements and solution documentation, and support customers.