Top Software Engineer Jobs in Krakow

Develop and architect features for Malwarebytes Browser Guard, serving millions of users. Write high-quality, tested code; design integrations; collaborate with Product, UX, and QA; review code; mentor engineers; and support delivery of the product roadmap. The role emphasizes React, JavaScript/TypeScript, Go, debugging, system architecture, AI workflows, user-centric design, and strong communication.

Build and own cloud features end to end across backend services, React interfaces, databases, testing, CI/CD, deployment, and production support. Use AI coding tools to accelerate development, debugging, refactoring, and test generation. Collaborate with product and UX teams to deliver scalable, reliable customer experiences using public cloud platforms, SQL/NoSQL databases, and modern infrastructure.

Work on backend and on-device automation features (rules, schedules, scenes) for Alarm.com's Home Automation team. Deliver end-to-end features, own technical designs, build HTTP APIs/services, optimize data and edge computing infrastructure, collaborate with product and QA, and apply testing and CI/CD practices.

Design, build, and improve distributed clearing and securities-finance systems supporting brokerage products. Own projects from ideation through deployment, develop reliable APIs and integrations, refine existing infrastructure, and participate in on-call operations. The role requires strong systems fundamentals, attention to detail, financial-markets interest, and ownership of production systems handling customers’ money.

Own and productionize localization, mapping, calibration, and state-estimation systems for autonomous ground vehicles operating at active airports. Responsibilities include sensor fusion, 3D mapping, calibration, online validation, diagnostics, regression testing, deployment, and safety monitoring. The role provides technical leadership across perception, planning, and platform teams while advancing autonomous operations toward driverless capability.

Design, build, operate, and scale cloud-based search infrastructure supporting petabyte-scale, mission-critical workflows. Develop maintainable backend software, troubleshoot production issues, improve reliability, observability, automation, capacity planning, and operational readiness, and participate in on-call support. Collaborate with engineering, SRE, product, and architecture teams to evolve the search platform roadmap and establish engineering standards.

Join Arista Networks' SONiC team to develop features for large data center networks, write specifications, fix problems, and collaborate with engineers.

Own end-to-end development of Kimchi Studio features, a desktop application for collaborative autonomous coding agents. Design, implement, test, and roll out product capabilities using TypeScript, Electron, React, Node.js, and Go. Diagnose performance issues with query profiles and flame graphs, prioritize UX polish and speed, and collaborate directly with product and engineering teams in a remote-first environment.

Build and improve low-latency trading platform tooling, monitoring, alerting, deployment automation, and observability. Support production incidents, maintain essential services, tune kernel-bypass networking and end-to-end latency, establish performance baselines, and participate in an on-call rotation. The role requires close collaboration with trading desks and service owners in a Linux-based environment.

Build and scale Base360.ai’s short-term rental platform, including customer-facing applications, APIs, automation engines, AI-powered workflows, third-party integrations, and cloud infrastructure. Develop systems for reservations, pricing, payments, guest communication, property operations, reporting, and financial workflows. Own projects end to end, make architectural decisions, ensure reliability, and deliver scalable products in a remote-first startup environment.

Staff Software Engineer responsible for architecting and developing scalable web applications and APIs using Elixir, React, and PostgreSQL. The role involves solving ambiguous technical and business problems, ensuring system reliability and performance, collaborating cross-functionally, presenting solutions to leadership, writing tested code, participating in code reviews, mentoring engineers, and removing technical roadblocks.

Design, develop, and optimize GPU- and CPU-accelerated image and data processing libraries. Implement and performance-tune parallel numerical algorithms, benchmark across architectures, contribute to technical roadmaps, provide technical leadership, and collaborate with product and engineering teams to meet feature and performance requirements.

Build and maintain the core App Shell and services for a micro-frontend ecosystem. Implement backend Java microservices and React/TypeScript front-end shells, migrate legacy .NET apps, create cloud-native infrastructure with Terraform, and maintain CI/CD pipelines (Jenkins, GitHub Actions). Ensure code quality with JUnit and Jest/Vitest/Playwright, define integration strategies, and mentor junior engineers.

Design, implement, and operate highly available, scalable data streaming platform components. Build DevOps tools, automate operational tasks, and improve pipeline observability. Support and integrate FedRAMP, GDPR, and SOX compliance for streaming services while collaborating with product teams to meet high availability and performance SLOs.

Build and operate scalable cloud infrastructure for global enterprise applications. Lead incident response, root-cause analysis, automation, reliability improvements, and full-stack production diagnostics. Partner with engineering, product, design, and QA teams on scalable system design, mentor team members, and primarily contribute to backend development using Java and open-source technologies.

Lead the technical vision and development of Elasticsearch’s core search infrastructure, including indexing, query execution, retrieval, and relevance. Research search algorithms and data structures, contribute to Lucene, guide technical roadmaps, mentor engineers, and collaborate across teams to build scalable, high-performance distributed search systems.

Join BeMyGuest as a Software Engineer to build scalable applications and manage integrations with APIs, ensuring high code quality and collaboration.

Develop and operate scalable microservices for Splunk’s Metadata Catalog and knowledge graph platform. Responsibilities include end-to-end feature delivery, distributed systems architecture, performance optimization, testing, production monitoring, incident resolution, and technical mentorship. The role requires cloud-native development, container orchestration, CI/CD, and strong distributed systems expertise, with preferred experience in graph databases, metadata platforms, event streaming, and observability.

Lead architecture and implementation of scalable distributed systems, microservices, and knowledge graph capabilities for Splunk’s Metadata Catalog. Design high-throughput, low-latency services, improve engineering quality, mentor engineers, establish observability and reliability standards, own production services, and collaborate with product, architecture, SRE, and engineering teams.

Designs, builds, and operates scalable identity services supporting authentication, authorization, and user lifecycle management. Develops secure APIs and distributed systems using C++ and Go, applies modern identity protocols, leads technical designs, resolves complex production issues, and drives security and architectural decisions. The role also includes observability, automated testing, CI/CD, on-call ownership, identity integrations, platform modernization, mentoring, and cross-functional collaboration across security, infrastructure, and product teams.

Productionize AI-built GTM software prototypes into secure, reliable customer-facing applications. Own hosting, environments, CI/CD, secrets, backups, releases, code quality, monitoring, security, staged rollouts, and integrations across CRM, ERP, and internal data systems. Build context infrastructure for GTM and customer-facing agents, reconcile data across systems, collaborate with product and commercial teams, and contribute to Wingtra’s AI engineering practice.

Build scalable growth-focused software, including onboarding flows, personalization engines, viral loops, experimentation systems, and analytics instrumentation. Collaborate with Product, Design, Marketing, Data Science, and Engineering to improve growth metrics. Develop high-quality frontend or full-stack applications, optimize performance and accessibility, maintain automation and continuous delivery, and apply AI and machine learning to improve engagement, retention, and personalization.

Build and maintain a production-grade iOS application using Swift and SwiftUI, integrating AI features through backend APIs. Design reliable AI interaction patterns, optimize performance, memory, and battery usage, and support streaming, retries, and fallbacks. Collaborate with backend and ML engineers, capture user feedback for AI evaluation, maintain App Store quality, and monitor and resolve production issues.

Design, develop, and maintain high-availability distributed systems supporting Akamai’s global network. Responsibilities include full product lifecycle ownership, improving testing, deployment, monitoring, and maintenance capabilities, mentoring engineers, and evaluating emerging network operations and automation technologies. The role requires software development on Linux/Unix platforms using Python, Go, and/or shell scripting, plus familiarity with internet protocols and version control systems.

Designs, develops, executes, and automates QA tests for NVIDIA Ethernet switch features and releases. Reviews architecture and requirements, performs regression, performance, functional, and security testing, reports and reproduces bugs, investigates root causes, verifies fixes, and develops Python-based automation frameworks and APIs.