Top Software Engineer Jobs in Poland

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 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.

Design, build, test and support batch and streaming data pipelines and curated datasets on a modern lakehouse/AI platform. Improve data modelling, quality, reconciliation, performance and operational reliability, partner with stakeholders, and provide technical leadership for delivery.

Design, build, test and support batch and streaming data pipelines and curated datasets on a Lakehouse/AI data platform. Implement data modelling, schema evolution, partitioning and data quality controls. Work with stakeholders to deliver production-ready, well-tested, high-performance data products and support operational monitoring and reconciliation.

Lead design, development, deployment, and maintenance of production-grade ML solutions across the full ML lifecycle for shipping and logistics. Build data pipelines, MLOps practices, model serving, monitoring, automated retraining, and mentor teammates while collaborating with business stakeholders.

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.

As a Software Engineer at Zendesk, you will work on scalable products, optimize performance, and collaborate globally, focusing on backend and distributed systems.

Implement full-stack web features (frontend and backend), collaborate with product and design, write tests, monitor production, and grow skills across React/Ember frontend and C#/.NET backend services.

Lead architecture and technical design for scalable Java backend services in a distributed cloud-to-cloud backup platform. Own features throughout the software development lifecycle, ensure reliability and code quality, collaborate across teams, resolve issues, make technical decisions, and mentor developers. The role requires expertise in Java, Spring Boot, REST APIs, authentication, databases, containers, event-driven architecture, and DevOps practices.

Maintain and troubleshoot a Java backend application while supporting database modernization from SQL Server to AWS Aurora. Develop and maintain AWS Infrastructure as Code using Pulumi and TypeScript, troubleshoot Kubernetes environments, resolve platform tickets, and create load-testing scripts. The role requires strong software engineering fundamentals, AWS and Kubernetes experience, IaC expertise, and a proactive problem-solving mindset.

Design and operate scalable, low-latency TypeScript and Node.js microservices powering real-time financial trading APIs. Build event-driven systems, streaming pipelines, and cloud-native services on GCP. Contribute to architecture, proof-of-concepts, monitoring, CI/CD, testing, code reviews, and full lifecycle ownership while leading technical initiatives and mentoring teammates.

As a Principal Big Data Engineer, you will design scalable solutions, develop data pipelines, create features, and collaborate with various teams to enhance Akamai's data platform.

Senior backend engineer for Affirm's Identity International team. Design, deliver, and operate identity/KYC and user lifecycle systems for international markets. Lead technical direction, translate goals into projects, improve code quality, availability, and scalability, mentor engineers, support on-call and operational health, and collaborate with product, design, and analytics to manage risks and tradeoffs.

Build and maintain hardened Ubuntu-based container images and the automated CI/CD pipelines to build, test, scan, sign, publish, and retire them. Integrate upstream open-source projects, ensure security and cloud-native compatibility, collaborate with cross-functional teams, document and share knowledge, mentor colleagues, and contribute to hiring. Work in a distributed agile environment with occasional travel.

Migrate the Billing system database from Sybase to PostgreSQL without functional changes, implement and maintain REST interfaces, perform technical analysis of systems and business logic, collaborate with cross-functional teams, and develop high-quality code following best practices.

Lead and deliver Repayment UX mobile features using React Native; define technical plans, collaborate with product/design/analytics, support production availability and on-call, mentor engineers, improve code and design standards, and drive quality and ownership across the team.

Senior full‑stack engineer responsible for shipping production features across the stack with minimal oversight. Own complex UI/UX using TypeScript, React and Next.js; deliver backend services with Node.js, Fastify and Postgres. Collaborate directly with founders on product and architecture, contribute to Python-based ML/AI components, and operate in a high-autonomy hybrid/remote environment.

Design and develop full-stack applications using Node.js, C#/.NET, and SQL. Collaborate with teams to deliver high-quality tech solutions. Requires 7+ years experience.

Develop and optimize algorithms for battery and renewable energy projects, analyze market data trends, and ensure algorithm performance.

Build and maintain a production Android app in Kotlin with AI-native features. Integrate chat, vision, and voice via backend APIs; design streaming UX patterns; optimize performance and memory for AI-heavy flows; implement analytics, logging, and feedback; collaborate with backend and ML teams to ensure stability, security, and scalability in production.

Lead design, develop, and maintain the Device Automation/ServiceNow platform. Collaborate with cross-functional teams to translate requirements, build integrations, run system testing, monitor platform health, create scripts/workflows, troubleshoot issues, and provide end-user training and support.

The OS Tools Software Engineer will design and implement tools for Vehicle OS, focusing on messaging systems and developer environments, contributing to autonomous driving technology.

As a Backend Software Engineer, you'll design scalable backend systems, optimize database performance, and collaborate with front-end and DevOps teams.

Manage and lead Order Gateway Developers to implement business requirements, ensure high-quality standards, and improve team efficiency while enhancing software performance.

Contribute to Juju's development, collaborate with teams on distributed systems, debug issues, and enhance cloud automation features.