Senior Ruby Engineer

🏢 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 individual contributor role focused on building and delivering scalable software systems while shaping technical direction and standards. The position combines hands-on Ruby/Rails development with system design, cross-team technical leadership, and mentoring. The engineer will lead complex initiatives and drive architectural decisions in a modern distributed stack. 🗂️ Requirements: Strong experience with Ruby, Experience with Rails framework, Experience designing scalable systems, Proven experience leading complex cross-team technical projects, Ability to make architectural decisions, Experience mentoring engineers, Experience with distributed systems and backend integrations, Ability to work with PostgreSQL and Redis, Experience working with React frontend, Experience with Kafka, Elasticsearch, and Kubernetes 📃 Skills: Ruby, Rails, PostgreSQL, Redis, React, Kafka, Elasticsearch, Kubernetes, HR, Fintech, Accounting 🏢 Description: We are looking for a Senior Engineer to join our team and help us build and deliver software at scale. We have a flat structure, but this is a very senior individual role for someone who can make a big impact. In this role, you will take initiative, solve complex problems, improve our technical standards, and support other engineers. You will work closely with leadership to shape our technical direction while still writing code. Our Tech Stack Ruby 3.3.8 & Rails 7.2 PostgreSQL & Redis React (frontend) Kafka, Elasticsearch, Kubernetes (K8s) What you will do Drive technical work: Help turn high-level goals into clear projects and plans. Support the team: Mentor both junior and senior engineers to help them grow. Set standards: Improve how we work and make sure our code stays maintainable in the future. Handle uncertainty: Work without clear instructions at times, set direction, and guide others. Solve complex problems: Take the lead on difficult issues and important technical decisions. What we are looking for Strong experience with Ruby Experience in HR, Fintech, or Accounting systems is a plus Proven impact: experience leading complex projects across teams Good communication: able to work with both engineers and non-technical stakeholders Initiative: able to find important problems and follow through with solutions The process Screening call: 15-minute chat with a recruiter System design interview: 60-minute discussion about architecture Behavioral interview: 60-minute conversation about your experience and teamwork Final call: conversation with the CEO

🏢 Summary: Senior individual contributor engineering role focused on building and delivering scalable software, driving technical direction, solving complex problems, and mentoring engineers while remaining hands-on with development. The position involves working across backend and frontend systems using Ruby, Rails, React, PostgreSQL, Redis, Kafka, Elasticsearch, and Kubernetes. 🗂️ Requirements: Strong experience with Ruby, Experience leading complex cross-team projects, Ability to solve complex technical problems, Ability to work independently in ambiguous environments, Strong communication with technical and non-technical stakeholders, Experience mentoring engineers 📃 Skills: Ruby, Rails, PostgreSQL, Redis, React, Kafka, Elasticsearch, Kubernetes 🏢 Description: We are looking for a Senior Engineer to join our team and help us build and deliver software at scale. We have a flat structure, but this is a very senior individual role for someone who can make a big impact. In this role, you will take initiative, solve complex problems, improve our technical standards, and support other engineers. You will work closely with leadership to shape our technical direction while still writing code. Our Tech Stack Ruby 3.3.8 & Rails 7.2 PostgreSQL & Redis React (frontend) Kafka, Elasticsearch, Kubernetes (K8s) What you will do Drive technical work: Help turn high-level goals into clear projects and plans. Support the team: Mentor both junior and senior engineers to help them grow. Set standards: Improve how we work and make sure our code stays maintainable in the future. Handle uncertainty: Work without clear instructions at times, set direction, and guide others. Solve complex problems: Take the lead on difficult issues and important technical decisions. What we are looking for Strong experience with Ruby Experience in HR, Fintech, or Accounting systems is a plus Proven impact: experience leading complex projects across teams Good communication: able to work with both engineers and non-technical stakeholders Initiative: able to find important problems and follow through with solutions The process Screening call: 15-minute chat with a recruiter System design interview: 60-minute discussion about architecture Behavioral interview: 60-minute conversation about your experience and teamwork Final call: conversation with the CEO

🏢 Summary: Senior Ruby Software Engineer role focused on building and scaling a high-load API platform for global ticket booking and carrier integrations. The position involves developing and maintaining Ruby-based microservices, designing robust REST APIs, and contributing to architectural decisions in a distributed system environment. Engineers work on booking orchestration, invoicing, and ticketing within a cloud-native infrastructure. 🗂️ Requirements: 5+ years of software engineering experience, Extensive experience integrating external APIs, Experience with microservices or service-oriented architecture, Strong knowledge of Kubernetes, Experience with public cloud platforms (GCP preferred), Understanding of relational and non-relational databases, Hands-on experience designing REST APIs, Fluent English (written and spoken) 📃 Skills: Ruby, Rails, Grape, REST, API, Microservices, Kubernetes, GCP, SQL, NoSQL 🏢 Description: Senior Ruby Software Engineer (f/m/x) at Distribusion Technologies Please note we are also looking for Python, Elixir and Frontend (React JS/TS) engineers so if this is more relevant you can also apply. 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. 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 searching for a Senior Ruby Software Engineer , to join our Engineering team. The role implies contribution to the product & technical domains of excellence in the main API product that allows big retailers to seamlessly purchase tickets from bus & rail carriers around the globe. Our team enables the functionality of a booking system, including booking orchestration, invoicing, ticketing, and more. The tech stack consists of multiple services. For smaller business domains, we use dedicated microservices in Ruby and Grape, and for the bigger ones, we have services in Ruby on Rails. What you will do: ·        Deliver high-quality Ruby code for new carrier & retailer integrations. ·        Manage and orchestrate a large number of microservices. ·        Maintain existing Ruby code. ·        Improve test coverage and quality of deliverables. ·        Contribute to system architectural decisions within the team. ·        Contribute to the development of internal tools and libraries. ·        Mentoring and guiding junior team members. Workplace: You can work fully remote or from the vibrant office in Berlin. You have: ·        5-10+ years of software engineering experience. (Please note we have technical challenges for engineers with 10+ years of experience operating at Staff/Principal level and you are also welcome to apply if you are in this category.) ·        Extensive experience integrating external APIs. ·        Experience working with microservices and/or service-oriented architecture. ·        Good understanding of Kubernetes from a software engineering perspective. ·        Experience working with public cloud providers (GCP is preferred). ·        Good understanding of relational and non-relational database principles. ·        Hands-on experience in designing robust REST APIs. ·        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 , 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: Full-time Senior Ruby Developer role focused on building, maintaining, and optimizing web applications using Ruby on Rails. The position involves implementing new features, maintaining existing systems, writing and testing code, and contributing to CI/CD and infrastructure improvements. The role requires strong backend expertise and collaboration within an agile development process. 🗂️ Requirements: 5+ years of Ruby on Rails experience, Strong knowledge of Ruby on Rails framework, Understanding of RESTful APIs, Knowledge of HTML and CSS, Experience with JSON, Experience with SQL and relational databases, Experience with PostgreSQL, Experience writing tests with RSpec, Experience with TDD, Experience with Git and GitHub, Experience with CI/CD processes, Experience with server infrastructure management 📃 Skills: Ruby, Rails, REST, HTML, CSS, JSON, SQL, PostgreSQL, RSpec, TDD, Git, GitHub, CI/CD 🏢 Description: Svitla Systems Inc. is looking for a Senior Ruby Developer for a full-time position (40 hours per week) in Europe. Requirements 5+ years of hands‐on experience with Ruby on Rails. Strong, in‐depth knowledge of Ruby on Rails framework. Solid understanding of RESTful APIs. Strong knowledge of HTML/HTML5, CSS/CSS3, JSON. Experience working with relational databases and SQL, preferably PostgreSQL. Strong experience writing tests using RSpec. Practical experience with test‐driven development (TDD). Experience with Git and GitHub. Result‐oriented mindset with strong problem‐solving skills. React.js and TypeScript experience is a plus, but not required. Responsibilities Implementation of new features in existing & future web applications. Maintenance & debugging of currently running web applications. Participation in planning meetings/calls, review/demo meetings/calls, and backlog refinement meetings/calls. Testing of changes made in scope of user stories you work on, to make sure that implementation was done correctly. Adjustments to existing CI/CD processes. Occasional changes to server infrastructure, server infrastructure optimisation. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Join the engineering team as a Mid/Senior Ruby Developer to build, maintain, and scale modern Ruby on Rails web applications. The role focuses on delivering clean, reliable code, automating browser testing with Selenium WebDriver, and collaborating on scalable technical solutions. 🗂️ Requirements: Commercial Ruby experience, Ruby on Rails experience, Selenium WebDriver experience, Object-oriented programming knowledge, Relational database knowledge, RESTful API knowledge, Git proficiency 📃 Skills: Ruby, Rails, Selenium, WebDriver, PostgreSQL, MySQL, REST, Git, RSpec, Docker, GitHub, Actions, JavaScript, HTML, CSS 🏢 Description: We are looking for a Mid/Senior Ruby Developer to join the engineering team. In this role, you will be responsible for developing, maintaining, and scaling modern web applications using Ruby on Rails. You will work closely with cross-functional teams to deliver high-quality, clean code while ensuring robust system stability and test coverage through automated testing tools such as Selenium WebDriver. Essential functions • Design, build, and maintain efficient, reusable, and reliable Ruby/Ruby on Rails code. • Develop new features and optimize existing application workflows. • Integrate test automation practices using Selenium WebDriver to ensure high code quality and reliability. • Collaborate with team members to translate business requirements into scalable technical solutions. • Participate in code reviews, technical discussions, and knowledge-sharing sessions. Qualifications • Solid commercial experience with Ruby and Ruby on Rails (v6+ preferred). • Practical experience with Selenium WebDriver for automated testing and browser automation. • Strong understanding of object-oriented programming, relational databases (e.g., PostgreSQL/MySQL), and RESTful APIs. • Familiarity with Git and modern software development workflows. • Active listening: ability to truly understand requirements, feedback, and team discussions. • Effective teamwork: strong collaborative mindset and open communication. • Knowledge exchange: eagerness to share expertise, mentor peers, and learn from others. Would be a plus • Experience with automated testing tools, CI/CD pipelines, and containerization (e.g., RSpec, Docker, GitHub Actions). • Familiarity with frontend technologies (JavaScript, HTML/CSS) and RESTful API integration. We offer • Opportunity to work on bleeding-edge projects. • Work with a highly motivated and dedicated team. • Competitive salary. • Flexible schedule. • Benefits package, including medical insurance and sports. • Corporate social events. • Professional development opportunities. • Well-equipped office.

🏢 Summary: Backend Engineer role focused on building and maintaining high-volume, complex API integrations using pure Ruby in a transactional, money-flow–critical domain. The position involves designing robust backend services, ensuring reliability and transactional integrity, and collaborating with stakeholders and external partners. The environment emphasizes AWS-based infrastructure, DevOps practices, and secure, scalable solutions. 🗂️ Requirements: Strong experience with Ruby (beyond Ruby on Rails), Proven experience delivering backend services in complex domains, Expertise in API design and third-party integrations, Familiarity with transactional systems and reliability constraints, Solid understanding of DevOps practices, Experience with Infrastructure-as-Code, Hands-on experience with AWS (EC2, S3, RDS), Experience with Docker, Experience with Redis, Strong analytical skills, Clear stakeholder communication skills 📃 Skills: Ruby, Redis, Docker, AWS, EC2, S3, RDS, Infrastructure-as-Code, API, Thin, EventMachine, Sinatra, Elasticsearch 🏢 Description: Project overview This project focuses on building and maintaining high-volume, complex API integrations with external partners in a domain where transactional integrity and money flows are critical. Position overview We are looking for a Backend Engineer with strong expertise in pure Ruby. In this role, you will design and maintain robust backend services and high-volume API integrations in a domain where transactional integrity and money flows are critical. You’ll collaborate closely with stakeholders and external partners to deliver secure, scalable solutions. Technology stack Ruby (pure Ruby, not Rails-centric) Redis Docker AWS services (EC2, S3, RDS) Infrastructure-as-Code tools Responsibilities Design and implement robust backend services using Ruby Develop and maintain complex API integrations with external systems Ensure transactional integrity and reliability in high-volume environments Collaborate with stakeholders and external partners to clarify requirements Contribute to infrastructure automation and deployment processes Participate in technical design discussions and solution shaping Requirements Strong experience with Ruby (beyond Ruby on Rails) Proven track record of delivering backend services in complex domains Expertise in API design, integration, and third-party connectivity Familiarity with transactional systems and reliability constraints Solid understanding of DevOps practices and Infrastructure-as-Code Hands-on experience with AWS services (EC2, S3, RDS) Knowledge of Docker for containerization Experience with Redis Strong analytical skills for navigating intricate business rules Clear and confident communication skills for stakeholder engagement Nice to have Thin, EventMachine, Sinatra Exposure to Elasticsearch. Experience in financial or transactional domains. What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)

🏢 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 global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.

🏢 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.