ruby

Monterail is seeking a freelance fullstack engineer to collaborate remotely on a B2B SaaS platform. You'll own features from concept to production, building dashboards, billing UIs, and developer-facing tools while focusing on the developer experience.You'll work with Ruby on Rails and React, move across the stack, and communicate timelines proactively. This...

Monterail is seeking a freelance fullstack engineer to collaborate remotely on a B2B SaaS platform. You'll own features from concept to production, building dashboards, billing UIs, and developer-facing tools while focusing on the developer experience.You'll work with Ruby on Rails and React, move across the stack, and communicate timelines proactively. This...

Embedded Shishya is building a network of LLM engineers to design, build, and integrate practical AI features into existing products. We welcome collaboration on a freelance basis—part-time or full-time depending on project needs.We seek engineers with Python/Node.js/Ruby skills and hands-on experience integrating LLM APIs into production systems, plus...

GitLab is hiring an Intermediate Backend Engineer to transform features from idea to shipping code. You will collaborate with Product, Frontend, Infrastructure, and Security to deliver secure, observable backend services.This is a remote, asynchronous role with strong emphasis on AI integration and high-quality engineering judgment. Expect to work with...

Knapsack is a product company behind Knapsack Pro, a developer-tool that helps engineers optimize CI test runs. We are a small team located in Kraków (Poland) and mostly work remotely, meeting in person occasionally.This technical role expects you to own projects from ideation to maintenance, collaborate across Ruby/Rails, JS/TS, and CI processes, and...

Kruko, a software house building mobile and web apps, is seeking a Ruby on Rails and Python Developer. You will design, develop, and maintain backend services in RoR and Python, optimize performance, and ensure clean, well-documented code.Join an international team in Poland, collaborate with project teams to define requirements, implement new technologies,...

Why Housecall Pro? Help us build solutions that build better lives. At Housecall Pro, we show up to work every day to make a difference for real people: the home service professionals that support America's 100 million homes. We're all about the Pro, and dedicate our days to helping them streamline operations, scale their businesses, and, ultimately, save...

Monterail is building a network of LLM Engineers to design, build, and integrate AI features into existing products. We’re seeking people to collaborate on a freelance basis—part-time or full-time—depending on project needs.You will work with Python, Node.js, or Ruby, with hands-on experience integrating LLM APIs into production systems, and you will...

A leading travel technology company in Kraków is seeking a skilled Developer in Test to join their engineering team. The role involves designing and maintaining automated testing frameworks to ensure software quality. Candidates should have 3-5 years of experience, strong coding skills in languages like Ruby or Python, and proficiency with tools like...

HeadHR is seeking a senior frontend engineer focused on mobile and full-stack integration. You will own product areas from end to end, building mobile-first experiences with React Native, Expo, and TypeScript, while coordinating with backends in Ruby on Rails, Go, and Node.js.You will drive architecture, ship features rapidly, and explore AI-enabled products...

Monterail is building a network of LLM Engineers to design, build, and integrate AI features into existing products. This role is freelance, part-time or full-time, depending on project needs, focused on delivery rather than ML research.You'll collaborate with clients, integrate AI into production systems using Python, Node.js, or Ruby, and build features...

Knapsack is the product company behind Knapsack Pro, a developer-tool that helps engineers optimize CI test runs. We are a small team located in Kraków (Poland) and mostly work remotely with in-person meetups.You will own projects and engage in support tickets and Pager Duty, touching Heroku/AWS, Postgres/Redis, Ruby/Rails, JS/TS, and multiple CI systems....

Knapsack, the product company behind Knapsack Pro, is hiring a seasoned Product/DevTool Engineer in Kraków, Poland. You will own complex projects from ideation to maintenance while delivering pragmatic, high-quality code and great developer APIs.You’ll talk with thousands of users daily to ensure their needs are fulfilled, collaborate across stacks...

About usRuby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our...

AirHelp in Kraków is seeking a Full Stack Developer to enhance the claiming experience for travelers. You'll work on building and improving high-performance components, utilizing technologies such as TypeScript, Node.js, and Ruby on Rails. This role involves taking ownership of features and delivering them daily, ensuring top-notch user experiences.If you...

AirHelp GmbH is seeking a skilled Developer in Test to join their engineering team in Poland. In this hybrid role, you will design, build, and maintain automated testing frameworks that ensure quality and performance. You will work closely with stakeholders and engage in all stages of project development. Key responsibilities include developing test suites,...

Zendesk seeks a Staff Machine Learning Engineer to enhance our AI-powered search platform at scale. You will collaborate with PMs, ML scientists, and engineers to define features and strategies, mentoring teammates while ensuring reliability of deployed services.You will work with Python, Ruby, and ML tools on AWS, Elasticsearch, Kafka, and Kubernetes in a...

thyssenkrupp Group Services Gdańsk poszukuje specjalisty ds. testów penetracyjnych. Będziesz identyfikować podatności w aplikacjach i infrastrukturze, współpracować z klientami i tworzyć raporty z rekomendacjami.Wymagamy minimum 3 lat doświadczenia, znajomości OWASP Testing Guide, narzędzi Burp Suite, Metasploit, Nessus, Wireshark, Bettercap oraz...

About Us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our...

Knapsack is the product company behind Knapsack Pro, a developer-tool that helps engineers optimize CI test runs. We are a small team located in Kraków, Poland, and mostly work remotely with in-person meetups.This is a technical role focused on building product features, APIs, and tooling you will own from ideation to maintenance. You will work with...