Top Software Engineer Jobs in Poland

Develop systems for monitoring and predicting flight trajectories in aviation and defense. Create and deploy features tackling real-world optimization problems using a modern tech stack.

Build scalable backend systems and data pipelines to power consumer credit reporting. Partner with Product, Compliance, Servicing, and Credit teams to design robust reporting systems, ensure operational availability, monitor metrics, support on-call, write well-tested code, debug large codebases, and contribute to team growth and hiring efforts.

Build and operate backend-first, distributed platform services powering APIs, integrations, eventing, and analytical data systems to enable AI agents and enterprise-scale agentic workflows. Design for high throughput, reliability, security, and observability; apply AI-assisted engineering tools; mentor engineers and influence architecture, tooling, and developer experience.

Build and operate a large-scale quantitative research platform processing market and alternative data. Develop distributed systems, real-time streaming infrastructure, scalable compute, AI-assisted research workflows, machine learning tooling, backtesting, experiment tracking, feature stores, and low-latency analytics. Partner with researchers, traders, portfolio managers, and engineers to accelerate signal discovery and production deployment. Own platform architecture, reliability, observability, testing, operations, and long-term engineering standards.

Develop and maintain scalable React and TypeScript frontend applications in a Turbo monorepo, build Fastify backend utilities, and implement micro-frontend architecture with Module Federation. Create reusable UI components, type-safe APIs, and comprehensive automated tests. Maintain code quality with Biome and monitor performance and observability using OpenTelemetry and Prometheus. The role supports a banking-sector client in a flexible hybrid or remote Agile environment.

Lead Go-based development to integrate a new AI accelerator into Kubernetes clusters, mentor engineers, collaborate cross-functionally, troubleshoot complex issues, contribute to upstream projects, and maintain documentation.

Own and scale a live production backend supporting real-time communication between apps, animation models, and LLM providers. Design APIs, WebSockets, data storage for companion memory and conversation state, and Cloudflare Workers infrastructure. Improve latency, throughput, cost, observability, alerting, incident response, and documentation while collaborating with the team to ship features end to end.

Software Engineer specializing in Android development. The provided description contains no further responsibilities, qualifications, compensation, travel, or clearance details.

The provided description contains only an application prompt and data privacy information. It does not describe specific responsibilities, qualifications, compensation, travel, or work conditions for the iOS Software Engineer role.

Develop and maintain critical banking applications using Java and cloud technologies. Collaborate with Business Analysts and QA Engineers in an Agile Scrum team, integrate systems, work with large datasets, ensure application security and reliability, and create automated tests. Optimize existing solutions and apply software development best practices, design principles, microservices, data modeling, and SQL optimization.

Lead frontend software development projects, build and enhance web applications, troubleshoot complex issues, and optimize application security, performance, usability, and accessibility. Participate throughout the software development lifecycle, contribute to team knowledge, and collaborate in an international environment using React, TypeScript, HTML, CSS, Node.js, and Git.

Design, develop, and own production-grade backend features from architecture through deployment. Build robust, scalable server-side systems for complex performance requirements, maintain code infrastructure, and integrate large language models, vector databases, and third-party AI services to create AI-powered APIs and services.

Develop and maintain software for the LenelS2 OnGuard platform, contributing across the full software development lifecycle. Design and implement features, shape software architecture and development strategy, collaborate with international cross-functional teams, and support team members. The role requires expertise in C++14+, SQL, REST APIs, distributed systems, and client-server architecture, along with effective English and Polish communication skills.

Lead advanced frontend software development projects, build and enhance accessible web applications, troubleshoot complex issues, and optimize application security, performance, and maintainability. Participate throughout the software development lifecycle, contribute to team knowledge, and collaborate in an international environment using React, TypeScript, HTML, CSS, Tailwind CSS, Node.js, and Git.

Develop and architect software for the LenelS2 OnGuard platform across the full software development lifecycle. The role involves designing implementations, collaborating with international cross-functional teams, supporting team development, and shaping future software strategy. Required expertise includes C++14+, SQL, REST APIs, distributed systems, client-server architecture, and GenAI coding assistants. The position is hybrid, requiring three office days and two home-working days weekly.

Design, standardize, and implement secure development frameworks and automation for network security. Build modular automation, APIs, and CI/CD pipelines to scale network controls; collaborate with cloud, infrastructure, and incident response teams to maintain reliability, testing, and operational excellence across on-prem and cloud network protections.

Build, scale, deploy, and monitor reliable distributed backend systems using Java, Python, databases, messaging queues, AWS, and Kubernetes. Collaborate with product and engineering teams to deliver features, improve development processes, ensure quality, troubleshoot production issues, lead technical design and architecture discussions, mitigate technical debt, and mentor engineers.

Build, scale, deploy, and monitor reliable platform systems using Scala and related technologies. Collaborate with product managers, designers, and engineers to deliver features, improve engineering processes, ensure quality through testing and monitoring, and contribute to technical direction. Independently own feature delivery, participate in architecture discussions, maintain distributed systems, mentor engineers, and support technical initiatives that improve system health and maintainability.

Staff Software Engineer responsible for designing and maintaining scalable backend and access-platform systems at internet scale. Leads technical roadmaps, distributed-systems initiatives, architecture, service reliability, monitoring, and technical-debt reduction. Mentors engineers, coordinates cross-functional and cross-organizational projects, drives technical strategy, facilitates design reviews, and supports production systems and incident response.

Lead the design and delivery of scalable backend and platform services at internet scale. Guide technical roadmaps, distributed-systems initiatives, service reliability, monitoring, and technical-debt reduction. Mentor engineers through reviews, pairing, documentation, and workshops; collaborate cross-functionally on feature delivery and architecture. Serve as a technical owner, support production systems, coordinate cross-organizational projects, and drive consensus, quality, and engineering improvements.

Design, implement and test 5G RAN baseband scheduler (UPC) features across full lifecycle. Contribute to architecture, improve scheduling software quality, implement backlog items, collaborate with architects, and support customer/live-network feedback.

Work on Servicing International to build purchase protection (disputes/refunds) and agent tooling. Implement web UIs and scalable APIs, collaborate with global teams, participate in on-call rotation, and deliver well-tested, maintainable code.

Set technical strategy for backend identity systems, deliver scalable distributed services, and lead architecture, reliability, monitoring, testing, and operational processes. Collaborate with product, design, and analytics teams; establish engineering standards; guide technical execution; communicate through writing and technical talks; and mentor engineers. The role focuses on identity data management, KYC verification, decisioning, regulatory complexity, global expansion, availability, and fraud-risk reduction.

Design and implement backend systems, ETL pipelines, data storage, and APIs for a SaaS platform. Maintain platform availability and improve security, quality, testing, automation, documentation, and features. Support customers and staff, contribute to sprint planning and prioritization, estimate development effort, track project progress, and proactively resolve roadblocks.

The Software Developer will design and develop web applications, improve system reliability, and collaborate on architecture and deployment strategies.