Top Software Engineer Jobs in Poland

Design and implement infrastructure services for a GPU-as-a-Service control plane: versioned REST/gRPC APIs, provisioning workflows for bare-metal servers, reconciliation loops, and reliability guarantees for long-running operations.

Leads the design and development of shared backend services and cloud-native platform capabilities. Drives architecture and technical strategy across teams, builds scalable Java and AWS solutions, mentors engineers, and promotes software quality, reliability, security, and performance. The role collaborates with product, architecture, and engineering teams to solve complex distributed-systems challenges and deliver reliable services for millions of users.

Design and scale mission-critical market data services for stocks, options, crypto, and foreign exchange. Responsibilities include architecting backend systems and APIs, maintaining software quality and test coverage, participating in code reviews, and troubleshooting incidents and bugs. The role uses Go and Python with REST, gRPC, WebSockets, SSE, Docker, Kubernetes, Google Cloud, BigTable, Prometheus, Grafana, and ELK.

Develop and operate scalable microservices for Splunk’s Metadata Catalog and knowledge graph platform. Responsibilities include end-to-end feature delivery, distributed systems architecture, performance optimization, testing, production monitoring, incident resolution, and technical mentorship. The role requires cloud-native development, container orchestration, CI/CD, and strong distributed systems expertise, with preferred experience in graph databases, metadata platforms, event streaming, and observability.

Lead architecture and implementation of scalable distributed systems, microservices, and knowledge graph capabilities for Splunk’s Metadata Catalog. Design high-throughput, low-latency services, improve engineering quality, mentor engineers, establish observability and reliability standards, own production services, and collaborate with product, architecture, SRE, and engineering teams.

Designs, builds, and operates scalable identity services supporting authentication, authorization, and user lifecycle management. Develops secure APIs and distributed systems using C++ and Go, applies modern identity protocols, leads technical designs, resolves complex production issues, and drives security and architectural decisions. The role also includes observability, automated testing, CI/CD, on-call ownership, identity integrations, platform modernization, mentoring, and cross-functional collaboration across security, infrastructure, and product teams.

Design, build, and optimize backend services for data gathering, processing, and delivery. Define and maintain service contracts, ensure high test coverage, observability, and documentation. Make architectural decisions for distributed systems, collaborate with product teams, and maintain/ improve an existing Kotlin/Java codebase.

As a Mid Software Engineer at Guidewire, you will develop and maintain insurance pricing algorithms, handle fullstack development, and collaborate with team members while optimizing solutions to meet service-level objectives.

Build and maintain SnowCommand, Snowflake's internal production gateway. Develop and refine critical workflows, implement full-stack features (TypeScript services, Kubernetes), design metrics and experiments, collaborate with product and design, coordinate across partner teams, instrument and troubleshoot production systems, and contribute to product vision and planning.

Design and build durable, distributed data-streaming infrastructure that decouples process data from Camunda’s live execution engine. Develop customer-facing integrations such as Kafka connectivity, support analytics data consumption at scale, and make architecture decisions around consistency, durability, and storage. Participate in production support and on-call rotations while collaborating with Product, Data Layer, Distributed Systems, QA, SRE, and Support teams. Lead ambiguous, cross-functional engineering initiatives from design through delivery.

Build and maintain Camunda 8 backend data-layer services spanning relational databases and Elasticsearch/OpenSearch. Design scalable storage, query, retention, and streaming systems; improve performance, indexing, and production tooling. Lead engineering initiatives from solution design through delivery, collaborate across teams, provide L3 support, and participate in on-call rotations. Investigate production data issues and contribute to schema evolution, workflow automation, and CI improvements.

Design, implement, and test cloud-based server-side software in Python. Optimize code performance, maintain unit and integration tests, and work with AWS, Docker, DevOps, and CI/CD tools. Preferred experience includes reverse engineering public APIs, PostgreSQL, Django ORM and DRF, network protocols, and web or mobile technologies.

Design, develop, test, and maintain automation solutions for large-scale Unix/Linux infrastructure. Build Infrastructure-as-Code workflows using Ansible, Python, Bash, GitLab, and related tools. Provide advanced support for automation platforms and Unix systems, troubleshoot complex issues, optimize deployment and lifecycle processes, and collaborate with engineering and operations teams to deliver scalable, secure infrastructure services.

Design, build, and operate access experience services and developer-facing APIs/SDKs for Netflix's access control platform. Own system design, partner integration, rollout, and maintenance while ensuring secure, scalable, high-availability access tooling across global teams.

Design, develop, and maintain high-availability distributed systems supporting Akamai’s global network. Responsibilities include full product lifecycle ownership, improving testing, deployment, monitoring, and maintenance capabilities, mentoring engineers, and evaluating emerging network operations and automation technologies. The role requires software development on Linux/Unix platforms using Python, Go, and/or shell scripting, plus familiarity with internet protocols and version control systems.

Lead design, development, and maintenance of embedded software for subsea electronics across QNX, Embedded Linux and bare-metal platforms. Implement communication and control stacks (TCP/IP, CANopen, Modbus, Profibus, serial), build support tools (C#, Java, Python, web/IIoT), optimize real-time multithreaded systems, apply OOP and Git workflows, collaborate with hardware teams (ARM Cortex, Infineon C167), and support field operations and sustaining engineering.

The Senior Software Engineer will design and develop cloud-native applications, optimize performance, and ensure code quality while collaborating with cross-functional teams. Responsibilities include software development, architecture contributions, Agile participation, and mentoring team members.

As a Senior Software Engineer, design and develop cloud-native applications, focusing on usability, performance, and scalability, while mentoring mid-level engineers and ensuring best practices in code quality and CI/CD.

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.

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.

Design, develop, and operate scalable applications, data pipelines, microservices, and event-driven systems supporting customer-targeting and marketing campaigns. The role owns software quality, reliability, performance, and the full development lifecycle. Responsibilities include architectural contributions, feature development, infrastructure improvements, code reviews, pair programming, and collaboration across international teams. Required expertise includes Java or Kotlin, Spring, databases, AWS, Docker, Kubernetes, CI/CD, automated testing, and Domain-Driven Design.

Lead hands-on development of AI-powered workflows, coding-agent integrations, and C++ development capabilities for CLion. Design agent architectures, tool integrations, benchmarks, and evaluation frameworks while prototyping debugging, code understanding, refactoring, and navigation workflows. Collaborate with JetBrains AI, ML, product, QA, and C++ teams to shape technical direction, roadmap priorities, and AI strategy for developer tools.

Contribute to designing, implementing, testing, debugging, and maintaining SaaS application software and reusable developer tools. Collaborate with product management, architects, UX, documentation, and engineering teams to deliver features within existing architectures. Participate in code reviews, automated testing, continuous integration, and Agile SDLC processes while developing expertise in Go, containers, cloud platforms, operating systems, and distributed systems.

Designs and delivers enterprise-scale Microsoft Dynamics 365 and Power Platform solutions across international teams and markets. Leads architecture, integrations with Azure and enterprise systems, platform upgrades, migrations, and environment modernization. Mentors engineers, promotes engineering excellence and AI-enabled practices, contributes to technical strategy, and represents initiatives in architecture reviews and technical communities.

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.