ruby

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....

We offer - Work on a modern, large-scale data and insights platform - Opportunity to work with modern cloud, web and AI technologies - Collaboration with an experienced international engineering team - Private medical care - MultiSport card - 5+ years of professional experience in software development - Strong knowledge of JavaScript and Node.js - Good...

Freelance Creative & HubSpot Specialist (10–20h/month) Freelance Creative & HubSpot Specialist (10–20h/month) What We’re Looking For We’re seeking a freelance specialist to support our marketing team with creative content production and HubSpot-based landing page design. This is a flexible, recurring collaboration (approx. 10–20 hours/month) with...

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,...

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...

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, 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 us and this role Knapsack is the product company behind Knapsack Pro, a developer-tool that helps engineers optimize CI test runs since 2014. We are a small team located in Kraków (Poland). We mostly work remotely, but meet in person for some of the things. This is a technical role, but we are looking for someone who is both excited and interested...

Proven experience as a Fullstack Engineer or similar role Strong proficiency in both front-end and back-end development Experience with JavaScript frameworks (React, Angular, Vue) Knowledge of server-side languages (Java, Node.js, Python, Ruby) Familiarity with databases (MySQL, PostgreSQL, MongoDB) Excellent problem-solving skills and attention to detail...

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...

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,...

Salary: 18,500–21,700 PLN gross/month Location: Warsaw, Poland (Hybrid – 2 days/week in the office) Full-time Employment contract via Employer of Record We're looking for a Mid Frontend Engineer for a software company whose platform lets professionals design real-world physical systems in an interactive, browser-based 3D environment. You'd join the team...

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...

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 the Systems Engineer position We are looking for a skilled Systems Engineer who will help building, maintaining, and troubleshooting our rapidly expanding infrastructure. You will join our talented team of engineers who deliver mission critical infrastructure and ensure the highest levels of availability, performance and security. You should have a...

Описание:The company develops a browser-based platform that enables professionals to design real-world physical systems within an interactive 3D environment.Задачи:Build a browser-based platform for designing physical systems; Develop interactive 3D environments; Work with modern frontend applications and APIs.Требования:3+ Years of...

Ruby Labs is seeking a Data Engineer who can own and deliver across data engineering tasks, integrations, and marketing systems. This is not a junior role: you should understand production systems and ship reliable work.You'll work across GTM, marketing data sources, and data pipelines moving data between BigQuery, ClickHouse, and external systems,...

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...