Senior Software Engineer (Ruby | We also hire for Python, Elixir and Frontend with React JS/TS)

🏢 Summary: Senior Ruby Software Engineer role focused on scaling and maintaining carrier integrations within a high-load, distributed B2B travel platform. The position involves building and improving microservices, leading architectural initiatives, and enhancing system reliability and observability. Engineers contribute to API integrations, CI/CD processes, and cloud-native infrastructure in a remote-first environment. 🗂️ Requirements: 7+ years of software engineering experience, 5+ years of professional Ruby experience, Recent hands-on experience with Ruby projects, Experience with microservices or service-oriented architecture, Deep understanding of distributed systems, Experience integrating external APIs, Experience designing REST APIs, Experience creating and maintaining CI/CD pipelines, Strong knowledge of Kubernetes, Experience with public cloud platforms (GCP preferred), Strong understanding of relational and non-relational databases, Experience with observability and monitoring practices, Experience with test-driven development, Fluent English (written and spoken) 📃 Skills: Ruby, Python, JavaScript, TypeScript, Golang, Java, C, C++, C#, Kubernetes, Docker, CircleCI, GCP, PostgreSQL, Redis, Elastic, Grafana, Prometheus, Varnish, HAproxy, Nginx, TDD, REST, Microservices, CI/CD, Jira 🏢 Description: Senior Ruby Software Engineer (f/m/x) at Distribusion Technologies We are the world’s leading ground transportation marketplace and give travelers seamless access to ground transportation online, from search to ticket purchase. We have built a cutting-edge B2B technology platform that connects bus, rail and ferry operators in 70+ countries with the biggest online retailers including Google Maps and Booking.com. We are shaping the future of travel and building the largest global network of transport providers and retailers. Having grown 10x in the past year, we are one of the fastest growing startups in travel. Backed by three leading VCs (Creandum, Northzone and Lightrock), and now, following our recent €30m Series B funding, we are ready to push beyond. The role: We are looking for Senior Ruby Software Engineers to help us with our scaling effort of integrating new carriers onto the platform and improve existing integrations. What you will do: Deliver high quality Ruby code for new carrier integrations. Manage and orchestrate a large number of microservices. Understand, plan and execute maintenance of existing integrations. Lead and actively participate in efforts on systems architecture initiatives. Improve test coverage and quality of deliverables. Improve and create internal tools and libraries. Mentoring and guiding other team members. Actively participate in scaling the engineering team. Workplace: Remote/Berlin We are a remote first international company with team members spread around the world. We are looking to hire the best talent around the Globe, so wherever you are, feel free to reach out. If, however, you prefer working onsite/hybrid our heart is in Berlin, one of the biggest and most vibrant tech hubs in Europe, and we are happy to assist with relocation. You have: 7+ years of software engineering experience 5+ years of professional experience working with Ruby Experience working with Ruby projects in the recent past Proficient with at least one of the following: Python, JavaScript/TypeScript, Golang, Java, C/C++, C# Hands on experience with planning and improving observability and monitoring processes Experience with Grafana/Prometheus is a plus Experience in conducting technical recruitment interviews (nice to have) Test-driven development Extensive experience integrating external APIs Deep understanding of distributed systems principles Experience working with microservices and/or service oriented architecture Experience creating and maintaining CI/CD pipelines Deep understanding of Kubernetes from a software engineering perspective Experience working with public cloud providers (GCP is preferred) In-depth understanding of relational and non-relational databases principles Hands-on experience in designing robust REST APIs Experience with leading technical initiatives You are fluent in English, both verbal and written A view into our Tech stack: a.               Languages: Ruby b.               Cloud platforms: GCP c.               Database: PostgreSQL, Redis, Elastic d.               Testing: TDD e.               CI/CD: kubernetes, docker, circleci f.                Messaging and caching: Varnish, HAproxy, Nginx g.               Project management: Jira What you can expect: ·       You will join a fast-paced travel tech company and take on a rapidly growing industry. ·       You will take on ownership and responsibility from day one and have a direct impact on the success of the company. ·       We value agility! We’re constantly updating our tech stack and offer the best possible tools to ensure all of our in-house engineers, partners, and carriers benefit from cutting-edge, efficient solutions. ·       You will work with global companies - our product attracts the biggest names in travel technology, such as Booking.com, Google Maps, and national carriers like Amtrak, Deutsche Bahn, Renfe, and SNCF. ·       You will join an international team of talented and driven people with a clear mission. Expect your colleagues to inspire, support and challenge you every day! ·       We offer flexible and remote working conditions, relocation opportunities, and career growth in a small and developing company. Our impact on the society and our contribution to reducing the harm of global warming We are making ground transportation more online accessible and more convenient to use for millions of travelers. Transportation accounts for nearly 20% of global CO2 emissions, and each trip booked via Distribusion’s platform that substitutes a more polluted and congested mode of transport such as taxi, private car, or plane, directly contributes to reducing global carbon emissions. At Distribusion, we believe that diverse and inclusive teams are key to shaping the future of travel and having a positive impact on millions of travelers worldwide. Therefore, we do not discriminate on the basis of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability or gender identity. Do you want to work on a product that is used by millions of people daily with a high load, availability and scalability and most advanced technology? Come join us!

🏢 Summary: Senior Python Software Engineer role focused on building and scaling high-load systems within a B2B travel technology platform. The position involves implementing high-impact, data-intensive solutions, improving automation, and ensuring high system uptime while collaborating with Product on new features. The role offers ownership in a fast-scaling, high-availability environment. 🗂️ Requirements: Strong experience with Python, Experience with FastAPI or aiohttp, Knowledge of asynchronous programming, Understanding of parallel computing, Experience with SQL databases, indexes, and locks, Ability to design systems for high-load environments, Fluency in English 📃 Skills: Python, FastAPI, aiohttp, SQL, Docker, Kubernetes, C, C++, AsyncIO 🏢 Description: Senior Python Software Engineer (f/m/x) at Distribusion Technologies We are the world’s leading ground transportation B2B marketplace and give passengers seamless access to ground transportation online, from search to ticket purchase (here you can already imagine the complexity and interesting challenges tied to this). We have built a cutting-edge B2B technology platform that connects bus, rail and ferry operators in 70+ countries with the biggest online retailers including Google Maps and Booking.com . We are shaping the future of travel and building the largest global network of transport providers and retailers. We are one of the fastest growing startups in travel, backed by two leading VCs (TQ Ventures & Lightrock), and now, following our recent $80m Series C funding, we are ready to push beyond. The role: We are searching for a Senior Python Software Engineer, to join our Portal team. We are looking for a creative engineer that is eager to solve complex technical challenges in a high load environment, someone who can thrive with ambiguous problems rather than repetitive tasks. Why join Distribusion now? This is actually a great time to join Distribusion and here’s why! Powered by the recent $80m Series C funding in September 2024, we've moved beyond the early startup phase where the foundations are still being laid, but at the same time, we're not yet a fully mature company where your role might be limited to making minor improvements to already established systems. Rather, Distribusion is perfectly positioned in the sweet spot – we've achieved a level of scale that presents great challenges, yet there's still ample room for making significant enhancements as an individual contributor or as a leader. Your impact and contributions will truly be valuable and meaningful! What you will do: The objectives of the role are to: • (1) Successfully implement high-impact systems that can handle high volumes of data, • (2) Reduce manual workload for teams by 30% within the first year through automation, • (3) Maintain a high system uptime. • (4) Collaborate with Product in order to build new features. Workplace: Fully remote or Berlin HQ. You have: • Python experience (other languages such as C and C++ are a plus) • Frameworks: preferably FastAPI, aiohttp • Knowledge of asynchronous functions (or any experience with parallel computing) • Docker and Kubernetes (nice to have) • General understanding of SQL databases, indexes and locks • You are fluent in English, both verbal and written. What you can expect: • You will join a fast-paced travel tech company and take on a rapidly growing industry. • You will take on ownership and responsibility from day one and have a direct impact on the success of the company. • We value agility! We’re constantly updating our tech stack and offer the best possible tools to ensure all of our in-house engineers, partners, and carriers benefit from cutting-edge, efficient solutions. • You will work with global companies - our product attracts the biggest names in travel technology, such as Booking.com , Google Maps, and national carriers like Amtrak, Deutsche Bahn, Renfe, and SNCF. • You will join an international team of talented and driven people with a clear mission. Expect your colleagues to inspire, support and challenge you every day! Our impact on the society and our contribution to reducing the harm of global warming We are making ground transportation more online accessible and more convenient to use for millions of travelers. Transportation accounts for nearly 20% of global CO2 emissions, and each trip booked via Distribusion’s platform that substitutes a more polluted and congested mode of transport such as taxi, private car, or plane, directly contributes to reducing global carbon emissions. At Distribusion, we believe that diverse and inclusive teams are key to shaping the future of travel and having a positive impact on millions of travelers worldwide. Therefore, we do not discriminate on the basis of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability or gender identity. Do you want to work on a product that is used by millions of people daily with a high load, availability and scalability and most advanced technology? Come join us!

🏢 Summary: Senior React Native Engineer role focused on enhancing and maintaining a high-scale Online Booking Engine within eCommerce solutions. The position involves delivering new mobile features, improving architecture, and ensuring code quality for a product used by global travel partners. It offers significant ownership and impact in a fast-growing, high-demand environment. 🗂️ Requirements: Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field, 5+ years of software engineering experience, 3+ years of professional experience with React Native, Extensive experience with JavaScript and TypeScript, Experience developing for iOS and Android, Frontend development experience with React.js, Experience maintaining and improving existing codebases, Experience writing automated tests, Fluent English (written and spoken) 📃 Skills: React, ReactNative, JavaScript, TypeScript, iOS, Android, ReactJS, Mobile, Frontend, Testing 🏢 Description: Senior React Native Software Engineer (f/m/x) at Distribusion Technologies Distribusion is the world’s leading ground transportation marketplace and gives travelers seamless access to ground transportation online, from search to ticket purchase. We have built a cutting-edge B2B technology platform that connects bus, rail, and ferry operators in 70+ countries with the biggest online retailers, including Google Maps and Booking.com . We are shaping the future of travel and building the largest global network of transport providers and retailers. We are one of the fastest growing startups in travel, backed by leading venture capital investors including TQ Ventures, Lightrock, Creandum, and Northzone, and are headquartered in Berlin, Germany. Following our recent $80m Series C funding, we are ready to push beyond. Why join Distribusion now? This is actually a great time to join Distribusion and here’s why! Powered by the recent $80m Series C funding in September 2024, we've moved beyond the early startup phase where the foundations are still being laid, but at the same time, we're not yet a fully mature company where your role might be limited to making minor improvements to already established systems. Rather, Distribusion is perfectly positioned in the sweet spot – we've achieved a level of scale that presents great challenges, yet there's still ample room for making significant enhancements as an individual contributor or as a leader. Your impact and contributions will truly be valuable and meaningful! The role & team We are looking for a Senior React Native Engineer to join our eCommerce Solutions team. You will contribute to improving an Online Booking Engine that our partners use to allow their users to search, book, and manage their ground transportation tickets. This is a great chance for you to impact products with a great market fit and high demand. What you will do: • Deliver new features in our eCommerce solutions • Actively participate in efforts on mobile architecture initiatives • Understand, plan and execute maintenance of existing codebase • Create tests to ensure that we deliver quality products • Mentor and guide other team members Workplace: Berlin or Europe We are a remote-first company, with teams located around the Globe and our HQ office in Berlin, where the team often meets in the office. Who you are: • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field • 5-7+ years of software engineering experience with a minimum of 3+ years of professional experience working with React Native • Extensive experience with JavaScript/Typescript • Experience with both iOS and Android • Frontend development experience - preferably in React.js • You are driven, ambitious, and willing to get hands-on in shaping the future of ground transportation travel • You show ownership and responsibility for your problem space • You are fluent in English, both verbal and written What you can expect: • You will join a fast-paced travel tech company and take on a rapidly growing industry. • You will take on ownership and responsibility from day one and have a direct impact on the success of the company. • We value agility! We’re constantly updating our tech stack and offer the best possible tools to ensure all of our in-house engineers, partners, and carriers benefit from cutting-edge, efficient solutions. • You will work with global companies. Our product attracts the biggest names in travel technology, such as Booking.com and Google Maps, and national carriers like Amtrak, Deutsche Bahn, Renfe, and SNCF. • You will join an international team of talented and driven people with a clear mission. Expect your colleagues to inspire, support and challenge you every day! • We offer flexible and remote working conditions, relocation opportunities and career growth in a small and developing company. Our impact on the society and our contribution to reducing the harm of global warming We are making ground transportation more online accessible and more convenient to use for millions of travelers. Transportation accounts for nearly 20% of global CO2 emissions, and each trip booked via Distribusion’s platform that substitutes a more polluted and congested mode of transport such as taxi, private car, or plane, directly contributes to reducing global carbon emissions. At Distribusion, we believe that diverse and inclusive teams are key to shaping the future of travel and having a positive impact on millions of travelers worldwide. Therefore, we do not discriminate on the basis of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability or gender identity. Do you want to work on a product that is used by millions of people daily with a high load, availability and scalability and most advanced technology? Come join us!

🏢 Summary: Senior DevOps Engineer role focused on evolving and securing a GCP-based infrastructure, improving reliability and performance, and automating CI/CD and operational processes in a high-scale environment. The position involves managing global Kubernetes clusters, enhancing observability, and implementing Infrastructure as Code. It offers strong ownership and impact within a rapidly growing, cloud-native platform. 🗂️ Requirements: Solid DevOps experience in a production environment, Strong knowledge of Linux and command-line tools, Ability to write and debug code in Python and Ruby, Excellent knowledge of Docker and Kubernetes, Experience with public cloud providers (GCP preferred, AWS or Azure), Extensive experience with CI/CD tools, Experience with Infrastructure as Code using Terraform, Experience with observability and monitoring tools, Understanding of encryption principles and related protocols, Fluent English communication skills 📃 Skills: GCP, AWS, Azure, Linux, Python, Ruby, Docker, Kubernetes, Terraform, GitLab, CloudBuild, ArgoCD, Prometheus, Grafana, SSL, OpenSSH, CI/CD 🏢 Description: Senior DevOps Software Engineer (all genders) at Distribusion Technologies Distribusion is the world’s leading ground transportation marketplace and gives travellers seamless access to ground transportation online, from search to ticket purchase. We have built a cutting-edge B2B technology platform that connects bus, rail, and ferry operators in 70+ countries with the biggest online retailers, including Google Maps and Booking.com . We are shaping the future of travel and building the largest global network of transport providers and retailers. Having grown 10x in the past year, we are one of the fastest-growing startups in travel. Backed by four leading VCs (TQ Ventures, Creandum, Northzone, and Lightrock), and now, following our recent $80 m Series C, we are ready to push beyond. The role: We are searching for a talented Senior DevOps Engineer to join our Infrastructure team at Distribusion. Your main contribution will be to work on different projects aimed at improving our infrastructure’s security, reliability and overall performance by setting up new processes, creating automations and implementing new tools. Why join Distribusion now? This is actually a great time to join Distribusion and here’s why! Powered by the recent $80m Series C funding in September 2024, we've moved beyond the early startup phase where the foundations are still being laid, but at the same time, we're not yet a fully mature company where your role might be limited to making minor improvements to already established systems. Rather, Distribusion is perfectly positioned in the sweet spot – we've achieved a level of scale that presents great challenges, yet there's still ample room for making significant enhancements as an individual contributor or as a leader. Your impact and contributions will truly be valuable and meaningful! What you will do: • Work in GCP-based CD environment, evolve our infrastructure, automate/support/troubleshoot CI/CD processes, and write/fix Terraform code. • Run the Kubernetes clusters in different regions across the globe. • Ensure the organisation has observability tools, and promote observability best practices. • Engage in incident handling, software performance analysis and system tuning. • Work on automations in order to reduce operational and manual workload. • Collaborate with development teams to perform Root Cause Analysis for Post Mortems. Workplace: Fully remote or in Berlin HQ. You have: • Solid DevOps experience, ideally within a scaling start-up. • Good knowledge of Linux, including basic management tools/utilities (curl, wget, etc). • Ability to understand/write/debug code in Python, Ruby. • Excellent knowledge of Docker and Kubernetes. • Experience with public cloud services providers – GCP (preferred), AWS or Azure. • Extensive experience with CI/CD tools (GCP Cloud Build, GitLab CI, Argo CD). • Experience in observability and reliability, ideally with Prometheus and Grafana. • Experience in infrastructure as Code, preferably with Terraform. • Knowledge of basic principles of encryption and related tools/protocols/etc (SSL, OpenSSH, certificates, etc). • Fluent English communication skills. What you can expect: • You will join a fast-paced travel tech company and take on a rapidly growing industry. • You will take on ownership and responsibility from day one and have a direct impact on the success of the company. • We value agility! We’re constantly updating our tech stack and offer the best possible tools to ensure all of our in-house engineers, partners, and carriers benefit from cutting-edge, efficient solutions. • You will work with global companies - our product attracts the biggest names in travel technology, such as Booking.com , Google Maps, and national carriers like Amtrak, Deutsche Bahn, Renfe, and SNCF. • You will join an international team of talented and driven people with a clear mission. Expect your colleagues to inspire, support and challenge you every day! • We offer flexible and remote working conditions, relocation opportunities, and career growth in a small and developing company. Our impact on the society and our contribution to reducing the harm of global warming We are making ground transportation more online accessible and more convenient to use for millions of travelers. Transportation accounts for nearly 20% of global CO2 emissions, and each trip booked via Distribusion’s platform that substitutes a more polluted and congested mode of transport such as taxi, private car, or plane, directly contributes to reducing global carbon emissions. At Distribusion, we believe that diverse and inclusive teams are key to shaping the future of travel and having a positive impact on millions of travelers worldwide. Therefore, we do not discriminate on the basis of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability or gender identity. Do you want to work on a product that is used by millions of people daily with a high load, availability and scalability and most advanced technology? Come join us!

🏢 Summary: Senior Ruby Developer role focused on building and maintaining scalable Ruby on Rails web applications with strong PostgreSQL and testing expertise in a hybrid work model in Poland. The position involves architecture contributions, performance optimization, production support, and collaboration with cross-functional teams. The offer includes flexible work arrangements, career development programs, certifications, and comprehensive benefits. 🗂️ Requirements: 3+ years of experience with Ruby and Rails, Experience building scalable web applications, Hands-on expertise with PostgreSQL, Experience with query optimization and direct SQL usage, Experience with RSpec, Knowledge of TDD/BDD practices, Ability to work independently, English level B2 or higher 📃 Skills: Ruby, Rails, PostgreSQL, SQL, RSpec, TDD, BDD, Docker, Redis, ClickHouse, JavaScript, React, Angular, Vue, Sidekiq, RabbitMQ, CI/CD, Git 🏢 Description: We are looking for a Senior Ruby Developer to join our dynamic and collaborative team. The client is an American multinational enterprise specializing in software solutions, offering a cloud-based platform that facilitates the seamless automation, integration, and coordination of artificial intelligence (AI) functionalities across a wide range of applications, data environments, and IT systems. It is a hybrid position with required visits to the office in Wroclaw, Krakow, Gdansk, Warsaw, Katowice, Lodz or Poznan. Responsibilities Develop and maintain scalable, high-performance web applications using Ruby and Rails Optimize complex database queries and ensure efficient use of PostgreSQL Design and implement clean, maintainable code with strong adherence to TDD/BDD principles using RSpec Collaborate with cross-functional teams to define and deliver technical solutions that align with business goals Conduct code reviews and mentor junior developers to uphold quality standards Address scalability and performance issues, implementing enhancements to improve reliability Work closely with product owners to translate requirements into technical implementations Debug and troubleshoot production issues, identifying root causes and implementing responsive fixes Participate in architectural design and contribute to long-term system improvements Oversee deployment processes and ensure application stability in production environments Stay updated on emerging technologies and practices to bring innovative solutions to the team Requirements Strong experience with Ruby and the Rails ecosystem (3+ years) Proven ability to build scalable web applications Deep hands-on expertise in PostgreSQL, including query optimization and direct SQL usage Solid experience with RSpec and TDD/BDD testing practices Comfortable working independently with minimal supervision English level of minimum B2 (Upper-Intermediate) for effective communication Nice to have Experience using Docker for containerization Familiarity with Redis for caching or real-time data handling Exposure to ClickHouse for analytics or event logging Basic frontend experience with JavaScript and frameworks like React, Angular, or Vue.js Experience with background job processing tools like Sidekiq or RabbitMQ Understanding of CI/CD pipelines and Git-based workflows Good communication and collaboration skills We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Ruby Developer role focused on building and maintaining scalable web applications using Ruby on Rails, PostgreSQL, and TDD/BDD practices in a hybrid work model across multiple cities in Poland. The position involves architecture contributions, performance optimization, deployment oversight, and collaboration with cross-functional teams. The offer includes flexible work arrangements, professional development opportunities, certifications, and comprehensive benefits. 🗂️ Requirements: 3+ years of experience with Ruby and Rails, Experience building scalable web applications, Strong PostgreSQL expertise, Experience with SQL query optimization, Experience with RSpec, Knowledge of TDD/BDD practices, Ability to work independently, English level B2 or higher 📃 Skills: Ruby, Rails, PostgreSQL, SQL, RSpec, TDD, BDD, Docker, Redis, ClickHouse, JavaScript, React, Angular, Vue, Sidekiq, RabbitMQ, CI/CD, Git 🏢 Description: We are looking for a Senior Ruby Developer to join our dynamic and collaborative team. The client is an American multinational enterprise specializing in software solutions, offering a cloud-based platform that facilitates the seamless automation, integration, and coordination of artificial intelligence (AI) functionalities across a wide range of applications, data environments, and IT systems. It is a hybrid position with required visits to the office in Wroclaw, Krakow, Gdansk, Warsaw, Katowice, Lodz or Poznan. Responsibilities Develop and maintain scalable, high-performance web applications using Ruby and Rails Optimize complex database queries and ensure efficient use of PostgreSQL Design and implement clean, maintainable code with strong adherence to TDD/BDD principles using RSpec Collaborate with cross-functional teams to define and deliver technical solutions that align with business goals Conduct code reviews and mentor junior developers to uphold quality standards Address scalability and performance issues, implementing enhancements to improve reliability Work closely with product owners to translate requirements into technical implementations Debug and troubleshoot production issues, identifying root causes and implementing responsive fixes Participate in architectural design and contribute to long-term system improvements Oversee deployment processes and ensure application stability in production environments Stay updated on emerging technologies and practices to bring innovative solutions to the team Requirements Strong experience with Ruby and the Rails ecosystem (3+ years) Proven ability to build scalable web applications Deep hands-on expertise in PostgreSQL, including query optimization and direct SQL usage Solid experience with RSpec and TDD/BDD testing practices Comfortable working independently with minimal supervision English level of minimum B2 (Upper-Intermediate) for effective communication Nice to have Experience using Docker for containerization Familiarity with Redis for caching or real-time data handling Exposure to ClickHouse for analytics or event logging Basic frontend experience with JavaScript and frameworks like React, Angular, or Vue.js Experience with background job processing tools like Sidekiq or RabbitMQ Understanding of CI/CD pipelines and Git-based workflows Good communication and collaboration skills We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Ruby Developer role focused on building and maintaining scalable Ruby on Rails web applications with strong emphasis on PostgreSQL optimization, testing practices, and system reliability. The position involves collaboration with cross-functional teams, mentoring developers, and contributing to architectural improvements in a hybrid work model across multiple cities in Poland. The offer includes flexible work arrangements, professional development programs, certifications, and comprehensive benefits. 🗂️ Requirements: 3+ years of experience with Ruby and Rails, Experience building scalable web applications, Hands-on expertise in PostgreSQL, Query optimization and direct SQL usage, Experience with RSpec, Knowledge of TDD/BDD testing practices, Ability to work independently, English level B2 or higher 📃 Skills: Ruby, Rails, PostgreSQL, SQL, RSpec, TDD, BDD, Docker, Redis, ClickHouse, JavaScript, React, Angular, Vue, Sidekiq, RabbitMQ, CI/CD, Git, AWS, Azure, GCP 🏢 Description: We are looking for a Senior Ruby Developer to join our dynamic and collaborative team. The client is an American multinational enterprise specializing in software solutions, offering a cloud-based platform that facilitates the seamless automation, integration, and coordination of artificial intelligence (AI) functionalities across a wide range of applications, data environments, and IT systems. It is a hybrid position with required visits to the office in Wroclaw, Krakow, Gdansk, Warsaw, Katowice, Lodz or Poznan. Responsibilities Develop and maintain scalable, high-performance web applications using Ruby and Rails Optimize complex database queries and ensure efficient use of PostgreSQL Design and implement clean, maintainable code with strong adherence to TDD/BDD principles using RSpec Collaborate with cross-functional teams to define and deliver technical solutions that align with business goals Conduct code reviews and mentor junior developers to uphold quality standards Address scalability and performance issues, implementing enhancements to improve reliability Work closely with product owners to translate requirements into technical implementations Debug and troubleshoot production issues, identifying root causes and implementing responsive fixes Participate in architectural design and contribute to long-term system improvements Oversee deployment processes and ensure application stability in production environments Stay updated on emerging technologies and practices to bring innovative solutions to the team Requirements Strong experience with Ruby and the Rails ecosystem (3+ years) Proven ability to build scalable web applications Deep hands-on expertise in PostgreSQL, including query optimization and direct SQL usage Solid experience with RSpec and TDD/BDD testing practices Comfortable working independently with minimal supervision English level of minimum B2 (Upper-Intermediate) for effective communication Nice to have Experience using Docker for containerization Familiarity with Redis for caching or real-time data handling Exposure to ClickHouse for analytics or event logging Basic frontend experience with JavaScript and frameworks like React, Angular, or Vue.js Experience with background job processing tools like Sidekiq or RabbitMQ Understanding of CI/CD pipelines and Git-based workflows Good communication and collaboration skills We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Ruby Developer role focused on building and maintaining scalable web applications using Ruby on Rails in a hybrid work model in Poland. The position involves backend development, database optimization, testing with TDD/BDD practices, architectural contributions, and collaboration with cross-functional teams. The offer includes flexible work arrangements, professional development opportunities, and comprehensive benefits. 🗂️ Requirements: 3+ years of experience with Ruby and Rails, Experience building scalable web applications, Hands-on expertise in PostgreSQL, Experience with query optimization and direct SQL usage, Experience with RSpec, Knowledge of TDD/BDD testing practices, Ability to work independently with minimal supervision, English level B2 or higher 📃 Skills: Ruby, Rails, PostgreSQL, SQL, RSpec, TDD, BDD, Docker, Redis, ClickHouse, JavaScript, React, Angular, Vue, Sidekiq, RabbitMQ, CI/CD, Git, AWS, Azure, GCP 🏢 Description: We are looking for a Senior Ruby Developer to join our dynamic and collaborative team. The client is an American multinational enterprise specializing in software solutions, offering a cloud-based platform that facilitates the seamless automation, integration, and coordination of artificial intelligence (AI) functionalities across a wide range of applications, data environments, and IT systems. It is a hybrid position with required visits to the office in Wroclaw, Krakow, Gdansk, Warsaw, Katowice, Lodz or Poznan. Responsibilities Develop and maintain scalable, high-performance web applications using Ruby and Rails Optimize complex database queries and ensure efficient use of PostgreSQL Design and implement clean, maintainable code with strong adherence to TDD/BDD principles using RSpec Collaborate with cross-functional teams to define and deliver technical solutions that align with business goals Conduct code reviews and mentor junior developers to uphold quality standards Address scalability and performance issues, implementing enhancements to improve reliability Work closely with product owners to translate requirements into technical implementations Debug and troubleshoot production issues, identifying root causes and implementing responsive fixes Participate in architectural design and contribute to long-term system improvements Oversee deployment processes and ensure application stability in production environments Stay updated on emerging technologies and practices to bring innovative solutions to the team Requirements Strong experience with Ruby and the Rails ecosystem (3+ years) Proven ability to build scalable web applications Deep hands-on expertise in PostgreSQL, including query optimization and direct SQL usage Solid experience with RSpec and TDD/BDD testing practices Comfortable working independently with minimal supervision English level of minimum B2 (Upper-Intermediate) for effective communication Nice to have Experience using Docker for containerization Familiarity with Redis for caching or real-time data handling Exposure to ClickHouse for analytics or event logging Basic frontend experience with JavaScript and frameworks like React, Angular, or Vue.js Experience with background job processing tools like Sidekiq or RabbitMQ Understanding of CI/CD pipelines and Git-based workflows Good communication and collaboration skills We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Ruby Developer role focused on building and maintaining scalable Ruby on Rails applications for a cloud-based AI automation platform in a hybrid work model in Poland. The position involves backend development, database optimization, testing practices, architectural improvements, and collaboration with cross-functional teams. The offer includes flexible work options, professional development programs, certifications, and comprehensive benefits. 🗂️ Requirements: 3+ years of experience with Ruby and Rails, Experience building scalable web applications, Strong PostgreSQL expertise, SQL query optimization skills, Experience with RSpec, Knowledge of TDD/BDD practices, Ability to work independently, English level B2 or higher 📃 Skills: Ruby, Rails, PostgreSQL, SQL, RSpec, TDD, BDD, Docker, Redis, ClickHouse, JavaScript, React, Angular, Vue, Sidekiq, RabbitMQ, CI/CD, Git, AWS, Azure, GCP 🏢 Description: We are looking for a Senior Ruby Developer to join our dynamic and collaborative team. The client is an American multinational enterprise specializing in software solutions, offering a cloud-based platform that facilitates the seamless automation, integration, and coordination of artificial intelligence (AI) functionalities across a wide range of applications, data environments, and IT systems. It is a hybrid position with required visits to the office in Wroclaw, Krakow, Gdansk, Warsaw, Katowice, Lodz or Poznan. Responsibilities Develop and maintain scalable, high-performance web applications using Ruby and Rails Optimize complex database queries and ensure efficient use of PostgreSQL Design and implement clean, maintainable code with strong adherence to TDD/BDD principles using RSpec Collaborate with cross-functional teams to define and deliver technical solutions that align with business goals Conduct code reviews and mentor junior developers to uphold quality standards Address scalability and performance issues, implementing enhancements to improve reliability Work closely with product owners to translate requirements into technical implementations Debug and troubleshoot production issues, identifying root causes and implementing responsive fixes Participate in architectural design and contribute to long-term system improvements Oversee deployment processes and ensure application stability in production environments Stay updated on emerging technologies and practices to bring innovative solutions to the team Requirements Strong experience with Ruby and the Rails ecosystem (3+ years) Proven ability to build scalable web applications Deep hands-on expertise in PostgreSQL, including query optimization and direct SQL usage Solid experience with RSpec and TDD/BDD testing practices Comfortable working independently with minimal supervision English level of minimum B2 (Upper-Intermediate) for effective communication Nice to have Experience using Docker for containerization Familiarity with Redis for caching or real-time data handling Exposure to ClickHouse for analytics or event logging Basic frontend experience with JavaScript and frameworks like React, Angular, or Vue.js Experience with background job processing tools like Sidekiq or RabbitMQ Understanding of CI/CD pipelines and Git-based workflows Good communication and collaboration skills We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Ruby Developer role focused on building and maintaining scalable Ruby on Rails applications with PostgreSQL optimization, testing best practices, and system reliability improvements in a hybrid work model in Poland. The position involves collaboration with cross-functional teams, architectural contributions, mentoring, and deployment oversight. The offer includes flexible work arrangements, professional development opportunities, and comprehensive benefits. 🗂️ Requirements: 3+ years of experience with Ruby and Rails, Experience building scalable web applications, Hands-on expertise with PostgreSQL, Query optimization and direct SQL usage, Experience with RSpec, Knowledge of TDD/BDD testing practices, Ability to work independently, English level B2 or higher 📃 Skills: Ruby, Rails, PostgreSQL, SQL, RSpec, TDD, BDD, Docker, Redis, ClickHouse, JavaScript, React, Angular, Vue, Sidekiq, RabbitMQ, CI/CD, Git 🏢 Description: We are looking for a Senior Ruby Developer to join our dynamic and collaborative team. The client is an American multinational enterprise specializing in software solutions, offering a cloud-based platform that facilitates the seamless automation, integration, and coordination of artificial intelligence (AI) functionalities across a wide range of applications, data environments, and IT systems. It is a hybrid position with required visits to the office in Wroclaw, Krakow, Gdansk, Warsaw, Katowice, Lodz or Poznan. Responsibilities Develop and maintain scalable, high-performance web applications using Ruby and Rails Optimize complex database queries and ensure efficient use of PostgreSQL Design and implement clean, maintainable code with strong adherence to TDD/BDD principles using RSpec Collaborate with cross-functional teams to define and deliver technical solutions that align with business goals Conduct code reviews and mentor junior developers to uphold quality standards Address scalability and performance issues, implementing enhancements to improve reliability Work closely with product owners to translate requirements into technical implementations Debug and troubleshoot production issues, identifying root causes and implementing responsive fixes Participate in architectural design and contribute to long-term system improvements Oversee deployment processes and ensure application stability in production environments Stay updated on emerging technologies and practices to bring innovative solutions to the team Requirements Strong experience with Ruby and the Rails ecosystem (3+ years) Proven ability to build scalable web applications Deep hands-on expertise in PostgreSQL, including query optimization and direct SQL usage Solid experience with RSpec and TDD/BDD testing practices Comfortable working independently with minimal supervision English level of minimum B2 (Upper-Intermediate) for effective communication Nice to have Experience using Docker for containerization Familiarity with Redis for caching or real-time data handling Exposure to ClickHouse for analytics or event logging Basic frontend experience with JavaScript and frameworks like React, Angular, or Vue.js Experience with background job processing tools like Sidekiq or RabbitMQ Understanding of CI/CD pipelines and Git-based workflows Good communication and collaboration skills We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.