Top Software Engineer Jobs in Poland

Design and deliver complex frontend features for digital banking products across their full lifecycle. Own architecture, APIs, scalability, performance, security, releases, and maintenance. Provide technical leadership through mentoring and code reviews, improve tooling and CI/CD, reduce technical debt, and use AI tools throughout development and testing. Collaborate with architects, product managers, and UX designers in an agile environment.

Owns backend architecture and production reliability for a high-load data quality platform processing millions of checks daily. Responsibilities include orchestration, scheduling, PostgreSQL performance optimization, migration of analytical workloads to ClickHouse, asynchronous systems, observability, incident response, UI contributions, and 24/7 on-call participation. The role also involves partnering with data, infrastructure, and business teams to deliver scalable product improvements.

Build and operate scalable Java/Spring Boot backend services for OTT messaging channels. Own features end to end, including design, implementation, testing, rollout, and production support. Integrate with partner APIs and webhooks, improve reliability and observability, investigate incidents, review code, and collaborate with Product and distributed engineering teams. Mentor junior colleagues and use AI tools in daily development workflows.

Design, develop, and maintain scalable, secure backend systems for fintech products. Build REST APIs and microservices supporting card payments, treasury management, transaction booking, and crypto liquidity. Work primarily with Java, PostgreSQL, and Spring Boot while applying clean code, TDD, DDD, and CI/CD practices. Collaborate with a high-performing team to deliver reliable products used by millions of people.

Build and maintain full-stack credit card and payment products using .NET, C#, React, and JavaScript. Own the software development lifecycle from coding through production monitoring and continuous improvement. Collaborate with product managers, QA engineers, and software engineers; create unit and integration tests; troubleshoot issues; and align technical solutions with business goals.

The Software Engineer will develop the Collectives Communication Library for AI hardware, collaborating with teams, implementing features, and resolving technical issues.

Develop and maintain C++ software for Ericsson Controller 6610 Radio Access Network products. Responsibilities include design, implementation, integration, testing, troubleshooting, system verification, release support, CI/CD workflow improvement, and automation. The role requires collaboration with international engineering teams and work across the full software lifecycle in a hybrid Krakow environment.

Designs, develops, tests, deploys, operates, and maintains software for IKEA’s Digital Automation products and platforms. Responsibilities include workflow automation, integrations, APIs, cloud services, low-code or pro-code extensions, data models, and AI-enabled capabilities. The role works in agile, cross-functional teams, applies DevOps and modern software engineering practices, creates prototypes and technical documentation, and continuously improves software quality, reliability, security, and delivery effectiveness.

Build and maintain Ergodic AI’s AI platform across back-end and front-end systems. The role involves developing with Python web frameworks and JavaScript/TypeScript, integrating with client technology stacks and workflows, applying AI, ML, and LLM concepts, and contributing to DevOps, cloud deployment, testing, and infrastructure practices. As an early-stage hire, the engineer will help shape the product and solve complex data and AI challenges.

Build, deploy, and maintain scalable, secure SaaS features for BlackLine’s AI-powered Invoice-to-Cash platform. The role involves using AI-assisted development tools, contributing to technical design, writing tested code, collaborating with product and engineering teams, and ensuring enterprise-grade performance, reliability, security, and observability. Engineers will work with modern software practices, cloud-native technologies, CI/CD, infrastructure-as-code, and microservices while learning from senior engineers and architects.

Build and ship reliable, scalable, production-quality software across the stack for an equity management and financial reporting platform. Responsibilities include owning well-scoped and medium-sized features, collaborating with product managers and designers, contributing to data models, workflows, scalability, code reviews, system design, and technical discussions, while developing expertise in equity and financial workflows.

Build and operate backend services supporting millions of emails. Own features end to end, design reliable distributed systems, scale APIs and databases, manage cloud infrastructure, improve observability and deployments, and participate in on-call rotation. Collaborate with customers and support to improve the product, strengthen engineering quality, and deliver complete experiences across the stack.

Develop and execute software test plans, create regression-testing frameworks, automate desktop application testing, identify defects, and collaborate with developers in a Scrum team. The role requires scripting with Python or PowerShell, QA automation tools, technical aptitude, and English and Polish communication skills.

Develop and maintain Windows desktop applications and web solutions for an intrusion and access control platform. Responsibilities include C++ and C# development, Lua and Java web application development, database integration, platform architecture, communication-system integration, customer and developer technical support, requirements analysis, milestone delivery, and mentoring junior engineers.

Investigate and resolve complex escalated customer issues across the Aras Innovator application stack. Develop fixes, enhancements, and product improvements; support upgrades; diagnose performance and stability problems; and improve reliability, scalability, security, CI/CD, and DevOps practices across SaaS, on-premises, and hybrid deployments.

Develop and maintain Windows desktop applications and web solutions for an intrusion and access control platform. Responsibilities include software architecture, C++/C# development, Lua and Java web development, database integration, communication-system integration, customer and developer support, technical leadership, stakeholder collaboration, and mentoring junior engineers.

Develops and executes software test plans, test cases, and regression-testing frameworks for the LenelS2 OnGuard system. Collaborates with developers in a Scrum environment to understand functionality, document testing activities, and identify defects using advanced QA tools. The role emphasizes automated testing, desktop application automation, scripting, and maintaining quality and reliability for security-focused building automation software.

Build and support enterprise software applications, SaaS integrations, and internal systems for HR, payroll, finance, and other teams. Develop full-stack solutions, service integrations, automated tests, and secure interfaces; contribute to architecture, cloud migration, CI/CD, system upgrades, and platform modernization. Collaborate with business stakeholders, DevOps teams, vendors, and technology groups to resolve operational issues and deliver resilient, scalable applications.

Support the design, development, testing, and maintenance of scalable backend services for Cisco Webex Partner Hub. Responsibilities include building service logic, APIs, and data-processing features using Java, Node.js, or Python; integrating with frontend systems through RESTful APIs; participating in code reviews and design discussions; monitoring performance; troubleshooting production issues; and collaborating throughout the software development lifecycle under senior engineer guidance.

Design and develop clean, maintainable software for automated document-processing products. Collaborate with business stakeholders to translate requirements into product improvements, conduct code reviews, guide technical direction, mentor colleagues, and improve engineering practices. The role uses Golang, MySQL, Docker, Kubernetes, cloud infrastructure, and GitHub CI/CD while emphasizing product ownership, clean architecture, software craftsmanship, and technical communication.

Develop and maintain full-stack onboarding applications using React.js, Python, and FastAPI. Write clean, reusable code; analyze problems; leverage AI tools; maintain scalable testing frameworks; automate regression tests; troubleshoot test automation issues; perform manual testing; and document solutions. The role also involves collaborating in a Scrum team and applying system architecture, Domain-Driven Design, and software engineering best practices.

Design, develop, operate, and troubleshoot scalable cloud-based services using .NET/C#, React, JavaScript, SQL, and Azure. Build integrations, manage migrations, maintain CI/CD pipelines, apply cloud-native architecture, monitor production systems, remediate vulnerabilities, participate in on-call rotations, and collaborate with product and engineering teams to deliver software features.

Design, build, and operate production services, APIs, and AWS-based data pipelines using Python and .NET. Develop REST and GraphQL APIs, document-processing workflows, and PostgreSQL solutions. Use AI coding tools while reviewing generated code for quality, security, and maintainability. Own testing, code reviews, CI/CD, monitoring, troubleshooting, and production support. Collaborate with QA and stakeholders in an Agile environment, contribute to continuous improvement, and support onboarding and knowledge sharing.

Develop and maintain backend software features within distributed microservice architectures. Participate in the full software development lifecycle, including design, coding, reviews, testing, performance improvement, observability, incident resolution, and postmortems. Collaborate with senior engineers, product management, and SRE/DevOps teams while using AI coding tools and continuously improving technical skills and code quality.

Design, build, and operate scalable Java services supporting real-time sports data and betting products. Own complex technical initiatives from architecture through production, contribute to AWS cloud-native systems, mentor engineers, improve testing and engineering practices, and influence technical direction across distributed teams.