Top Software Engineer Jobs in Krakow

Join Primer's Growth team to build self-serve merchant onboarding features. Ship React frontend dashboard work, deploy to production, monitor impact, collaborate with Design, and contribute to Python backend code when needed.

Build and own merchant-facing frontend projects end-to-end. Lead frontend architecture, produce RFCs/ADRs, create composable performant accessible UI, monitor production impact, respond to incidents, and mentor engineers while ensuring high code quality and measurable outcomes.

Develop, test, deploy, and operate backend services for authentication, authorization, and identity management. Work across the full SDLC, maintain reliability and scalability, collaborate with product/architecture/SRE teams, and use automated tests, CI/CD pipelines, and cloud-native tooling to deliver secure identity solutions.

Build and scale Base360.ai: design APIs, services, and cloud-native infrastructure; implement event-driven automations, AI-powered workflows, and integrations (Airbnb, Stripe, Twilio, OpenAI). Own projects end-to-end to automate operations, improve pricing and guest experiences, and enable global scaling.

Build and ship end-to-end features and agentic automations for North, Cohere's AI workspace for finance. Integrate financial data sources, enforce data isolation and RBAC, collaborate with Product/UX/ML/Sales, work with finance customers, ensure reliability/security/auditability, and iterate on platform capabilities using AI where appropriate.

Build and maintain North's Agents & Automations platform: design and ship frontend and backend features, execution engine, integrations, debugging, observability, evaluation, and feedback systems to enable reliable AI-powered workflows.

The Software Engineer II role involves designing, developing, and maintaining innovative product features, collaborating on architectural discussions, mentoring peers, and delivering scalable solutions.

The role involves designing and implementing features, debugging, maintaining documentation, and collaborating with the community in the Mir graphics stack.

Develop and maintain automated test frameworks for user interfaces, web services, APIs, and core platform capabilities. Own end-to-end testing for release changes, improve testing infrastructure, and perform integration and regression testing. Collaborate with engineering, product, QA, and global teams while applying Java, TypeScript, or Python alongside Playwright, Cypress, TestNG, and JUnit. Use knowledge of web technologies and internet protocols to support secure, reliable software delivery.

The Staff Software Engineer will set technical strategies, develop backend systems, collaborate across teams, ensure operations, and foster a culture of quality and ownership. Responsibilities include leading projects and mentoring team members.

Develop and enhance MAAS core components, improve architecture, collaborate across teams, and ensure high standards in documentation and CI practices.

Lead Elasticsearch search relevance initiatives, designing and implementing scalable search features, algorithms, and data structures. Improve vector search capabilities, speed, and relevance; resolve complex bugs; contribute to Lucene; collaborate with distributed engineering teams and open-source communities; and provide technical direction. Develop idiomatic modern Java and autonomously guide projects from design through delivery.

Lead technical direction and hands-on execution for major software products and systems. Design scalable backend, frontend, API, database, and infrastructure solutions; write and review code; make architecture trade-offs; solve production issues; improve testing, security, observability, and development practices; and mentor engineers across teams.

Own technical direction and hands-on execution for major products and systems. Design scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; write code; lead architecture decisions; solve complex production issues; improve engineering quality; and mentor engineers across teams. The role requires strong system design, coding, technical leadership, and communication skills in a globally distributed remote environment.

Own technical direction and execution for major products and systems. Design scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure while remaining hands-on with coding, prototyping, reviews, debugging, and production support. Lead architecture decisions, resolve complex technical problems, improve engineering quality, drive critical initiatives from design through production, and mentor engineers across teams.

As a Senior Backend Engineer at Guidewire, you'll develop RESTful APIs in Python, optimize solutions for high availability using cloud-native technologies, and collaborate closely with engineers on a strategic insurance pricing platform.

Lead SRE work for a global video platform: own production reliability, on-call and incident response, capacity planning, observability, automation, and database/data-processing resilience. Collaborate across engineering and product to set reliability goals, improve MTTR, and build scalable operational tooling and patterns.

Build and operate production systems for Coder’s agentic development experience. Develop Go-based backend systems, contribute to React and TypeScript applications, improve agent execution and context management, and create reliable integrations across models, tools, workspaces, and developer infrastructure. Own projects through rollout, enhance system reliability and performance, participate in technical reviews, and collaborate with Product and Design to deliver useful AI-powered developer experiences.

Design, build, and operate scalable, cloud-native services for the SHOW Platform. Lead architecture-to-production initiatives, implement event-driven and serverless systems, improve observability and automation, collaborate cross-functionally, mentor engineers, and incorporate AI-assisted tools and LLM-based features when appropriate.

Design, build, and deliver production-grade, cloud-native software, integrations, automation, and AI-enabled capabilities. Lead technical initiatives, partner directly with customers and cross-functional teams, provide architecture and mentoring, and evolve reusable frameworks and engineering standards across Forward Deployed Software Engineering.

Design and evolve core cloud platform services, control-plane components, internal APIs, and platform abstractions. Build production-grade Go services and tooling, drive architectural initiatives such as gRPC migration and eventing foundations, and improve scalability, reliability, and developer productivity. Collaborate across engineering teams, support production systems and incident response, and drive long-term technical solutions for managed cloud and enterprise deployments.

Design and scale backend systems, APIs, and services for Nango’s open-source developer infrastructure platform. Build APIs, SDKs, UIs, and runtime systems, optimize performance and reliability, solve integration challenges with customers, shape the roadmap, and maintain the open-source repository. The role requires strong ownership, product thinking, developer empathy, communication, and autonomy in a remote-first startup environment.

Staff Software Engineer responsible for architecture and technical ownership of Cognism’s distributed DaaS, API, MCP, and enterprise integration platforms. The role includes setting engineering standards, driving scalable and reliable backend architecture, mentoring senior engineers, advising leaders, and influencing technical decisions across multiple teams. The engineer will help establish Cognism’s Warsaw Engineering Hub and deliver production capabilities that improve platform reliability, scalability, and development velocity.

Build and maintain cloud-native backend services supporting Data-as-a-Service, REST APIs, and Model Context Protocol capabilities. Design distributed microservices, deliver reliable production software, own features from technical design through operational support, write automated tests, contribute to architecture, collaborate across engineering and product teams, and mentor less experienced engineers.

Design, build, and maintain consumer-facing features across web (React) and mobile (React Native). Own product lifecycle from discovery through release, monitoring, experimentation, and iteration. Drive A/B testing and feature-flag strategies, make architectural decisions, ensure accessibility/performance/testability, mentor engineers, and collaborate with Product, Design, Data, and Platform teams.