Top Software Engineer Jobs in Krakow

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.

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.

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.

As an Integrations Engineer, you will connect ERP systems with the BLP Digital platform through interface design and implementation, working with various protocols and supporting client integration efforts.

Develop low-level software that interfaces with networking ASICs, FPGAs, and PCIe bridges. Implement latency analysis, event tracking, and performance optimizations. Integrate CPUs/BIOS with the OS and qualify supporting hardware components for product bring-up.

Build and maintain scalable Python backend services and REST APIs, contribute to React/TypeScript frontends, work with data pipelines and relational databases, support deployment/monitoring, debug full-stack customer issues, partner with product and customer success, expand test coverage and ship weekly releases.

As a Fullstack Software Engineer, you will maintain and improve CaptivateIQ's core platform, design features, and ensure high engineering standards.

Design and build scalable applications using Golang, contributing to component development, data storage, performance optimization, testing, deployment automation, and client solutions. Collaborate with technical leaders, clients, and distributed engineering teams to analyze requirements and deliver high-quality software. The role also involves code reviews, pull requests, version control, agile delivery, CI/CD, and maintaining technical quality standards.

The role involves leading a software team, developing and maintaining applications, troubleshooting issues, supporting operations, and mentoring engineers.

Design, implement, test, deploy, and operate import/export services for a cloud-native SaaS. Build React+TypeScript UIs, architect resilient distributed systems, own production reliability and on-call duties, improve CI/CD and observability, mentor engineers, and collaborate on product and design system development.

Design, build, and operate cloud-native Import/Export services for RelativityOne. Own production systems and on-call duties, drive observability and CI/CD automation, mentor engineers, and translate business needs into scalable distributed SaaS solutions meeting SLO/SLA targets.

Design, implement, and maintain scalable full-stack web features across frontend and backend. Collaborate with product, design, and QA to deliver customer-facing functionality, write tests, perform code reviews, monitor production, and continuously improve performance, security, and reliability.

Performs software and system safety analyses for autonomous vehicle platforms, including HARA, FMEA, FTA, STPA, freedom-from-interference, and code-level hazard evaluations. Derives and traces safety requirements, defines fail-safe mechanisms, reviews safety-critical C++ and Python code, supports safety-case development, and collaborates with robotics, hardware, systems, software, and test teams to verify compliance and enable airport deployment.

Build and enhance GraphAware Hume, a graph-powered analytics platform. Responsibilities include developing APIs, designing secure and scalable access-control systems, orchestrating workflows for graph analytics and real-time insights, optimizing application performance, contributing to architecture and technical design, and collaborating with distributed engineering teams.

The Backend Engineer will develop and maintain features for Restream web services, design backend APIs, ensure infrastructure resilience, and contribute to a collaborative team environment.

Design, build, and maintain core reliability components (rate limiters, schema migration tools, circuit breakers, Redis caching). Troubleshoot and optimize production systems (PostgreSQL, distributed services), lead incident investigations, create reusable resilience tools, and promote reliability best practices across engineering teams while leveraging AI coding tools.

Develop and optimize Soroban smart contracts and integrate anchor services on the Stellar network for cross-border payment solutions. Collaborate with cross-functional teams, test and debug smart contracts, document development processes, provide technical support, and stay current with blockchain and payments technology trends to ensure secure and efficient implementations.

Implement and optimize EVM-compatible features, reduce gas usage, develop and test smart contracts, collaborate on Ethereum infrastructure, and provide technical support.

Build and maintain high-security mobile wallet apps using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams, debug performance issues, and propose UX and security improvements.

Lead the architecture, development, and delivery of scalable backend systems, APIs, data pipelines, and services supporting global 3D and computer vision applications. Drive technical direction, system performance, resiliency, observability, and maintainability. Mentor senior engineers, conduct architecture reviews, lead cross-functional initiatives, influence hiring and team growth, and shape engineering culture and long-term technical vision.

Design, implement, and maintain Java-based enterprise applications for embedded licensing. Analyze requirements, produce technical designs, write clean multithreaded code, perform code reviews, integrate services via RESTful APIs, troubleshoot customer issues with TAC, and mentor junior developers.

The Senior Software Engineer will design and develop high-quality web and mobile applications, ensuring code quality while collaborating with product teams and mentoring junior engineers.

The role involves software engineering responsibilities, requiring clear communication, problem-solving skills, and adaptability. Candidates should have at least 6 years of experience.

Design and architect scalable software, document decisions, develop software using best practices, test code thoroughly, and manage cloud environments.

Build and ship secure, production-ready CI/CD and AI-integrated features end-to-end. Design, implement, and iterate on products (e.g., hardened GitHub Actions, agent features), work closely with Product and front-end teams, make architectural decisions, and extend Chainguard's agentic AI capabilities into customer-facing experiences.