Senior QA Automation Engineer

🏢 Summary: B2B contract for a Senior Ruby on Rails Developer to build and enhance a client platform, focusing on backend development, testing, performance optimization, and occasional React frontend work. The role involves solving complex engineering challenges, conducting code reviews, and collaborating with cross-functional teams in a remote-first environment. Emphasis is placed on scalable, reliable systems and data-driven product development. 🗂️ Requirements: 5+ years Ruby on Rails experience, Strong knowledge of ActiveRecord, Experience with RSpec, Experience with AWS or Heroku in production, Experience with PostgreSQL or other RDBMS, Experience with TDD and automated testing, Experience building MVC-based server-side applications, Experience building React components and integrating APIs, Understanding of distributed systems, Practical knowledge of REST APIs, B2+ level Polish and English, Experience with Agile methodologies 📃 Skills: Ruby, Rails, ActiveRecord, RSpec, AWS, Heroku, PostgreSQL, RDBMS, TDD, MVC, React, REST, Scrum, Kanban 🏢 Description: About us LLInformatics is a forward-thinking IT consulting firm, trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 130+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry—backed by a strong, collaborative work culture that fuels our success. Contract Type: B2B Location: Remote or in our Warsaw office Your Tasks and Responsibilities: Implementing new functionalities on our client’s platform. Solving complex programming challenges while improving your knowledge. Conducting regular code reviews / PR reviews for your colleagues. Maintaining existing code and fixing bugs. Writing unit, integration, and E2E tests. Contributing to frontend components using React when needed. Supporting rapid iteration, experimentation, and data-driven development initiatives. Optimizing application performance, reliability, and scalability. Collaborating with Product Managers and cross-functional teams to align engineering execution with product vision. Requirements: 5+ years of experience in Ruby on Rails. Familiarity with Active Record and RSpec. Experience working on production applications in AWS or Heroku. Experience working with RDBMS like PostgreSQL. Experience writing tests / following a TDD approach or strong testing culture. Experience building server-side applications using the MVC pattern or similar. React experience (building components, integrating APIs). Understanding distributed systems and resilient applications. Practical knowledge of REST API communication. Polish and English at B2+ minimum level. Familiarity with Agile methodologies (Scrum, Kanban). Experience as a tech team lead is a strong plus. Demonstrated ability to leverage AI tools to improve workflows or development efficiency is a plus. Why join us? Flexible Working Hours – We focus on results! Manage your time, keep your team informed about your availability, and attend key meetings. Work from Anywhere – Choose your ideal setup! Work 100% remotely within the EU , go hybrid , or enjoy our Warsaw office , fully equipped for productivity. Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team. Flat Structure – We value initiative and open communication. Every voice matters here! Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable. Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world. Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow. Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office , you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk . Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.

🏢 Summary: Senior Ruby on Rails Developer responsible for building and maintaining production-grade server-side applications, implementing new features, and ensuring high code quality through testing and reviews. The role involves working with AWS-based environments, optimizing performance and scalability, and contributing to frontend components in React. The position requires close collaboration with cross-functional teams in a remote or hybrid setup. 🗂️ Requirements: 6+ years of experience with Ruby on Rails, Experience with Active Record and RSpec, Experience with AWS or Heroku in production environments, Experience with PostgreSQL or other RDBMS, Experience writing unit, integration, and E2E tests, Experience with TDD or strong testing practices, Experience building applications using MVC pattern, Experience building React components and integrating APIs, Understanding of distributed systems, Experience designing and consuming REST APIs, Knowledge of Agile methodologies (Scrum or Kanban), Polish and English at minimum B2 level 📃 Skills: Ruby, Rails, ActiveRecord, RSpec, AWS, Heroku, PostgreSQL, RDBMS, React, REST, MVC, TDD, Scrum, Kanban 🏢 Description: About us LLInformatics is a forward-thinking IT consulting firm, trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 130+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry—backed by a strong, collaborative work culture that fuels our success. Contract Type: B2B Location: Remote or in our Warsaw office Your Tasks and Responsibilities: Implementing new functionalities on our client’s platform. Solving complex programming challenges while improving your knowledge. Conducting regular code reviews / PR reviews for your colleagues. Maintaining existing code and fixing bugs. Writing unit, integration, and E2E tests. Contributing to frontend components using React when needed. Supporting rapid iteration, experimentation, and data-driven development initiatives. Optimizing application performance, reliability, and scalability. Collaborating with Product Managers and cross-functional teams to align engineering execution with product vision. Requirements: 6+ years of experience in Ruby on Rails. Familiarity with Active Record and RSpec. Experience working on production applications in AWS or Heroku. Experience working with RDBMS like PostgreSQL. Experience writing tests / following a TDD approach or strong testing culture. Experience building server-side applications using the MVC pattern or similar. React experience (building components, integrating APIs). Understanding distributed systems and resilient applications. Practical knowledge of REST API communication. Polish and English at B2+ minimum level. Familiarity with Agile methodologies (Scrum, Kanban). Experience as a tech team lead is a strong plus. Demonstrated ability to leverage AI tools to improve workflows or development efficiency is a plus. Why join us? Flexible Working Hours – We focus on results! Manage your time, keep your team informed about your availability, and attend key meetings. Work from Anywhere – Choose your ideal setup! Work 100% remotely within the EU , go hybrid , or enjoy our Warsaw office , fully equipped for productivity. Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team. Flat Structure – We value initiative and open communication. Every voice matters here! Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable. Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world. Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow. Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office , you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk . Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.

🏢 Summary: B2B contract for a Ruby on Rails Developer to build and maintain a client platform, implement new features, and ensure performance and reliability in a remote or hybrid setup. The role involves backend development with Rails, testing, database management, and occasional frontend support with React. You will collaborate in an Agile team to deliver high-quality, production-ready solutions. 🗂️ Requirements: 3+ years experience with Ruby on Rails, Knowledge of Active Record, Knowledge of RSpec, Experience with production applications, Familiarity with relational databases, Experience writing unit and integration tests, Understanding of MVC architecture, Basic experience with React, Understanding of REST API principles, English B2 level minimum, Polish B2 level minimum, Familiarity with Agile methodologies 📃 Skills: Ruby, Rails, ActiveRecord, RSpec, PostgreSQL, React, REST, AWS, Heroku, Scrum, Kanban, MVC 🏢 Description: About us LLInformatics is a forward-thinking IT consulting firm, trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 130+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry—backed by a strong, collaborative work culture that fuels our success. Contract Type: B2B Location: Remote or in our Warsaw office Your Tasks and Responsibilities: Implementing new features on our client’s platform. Solving programming challenges and continuously developing your skills. Participating in code reviews and collaborating with team members. Maintaining the existing codebase and fixing bugs. Writing unit and integration tests (E2E is a plus). Supporting frontend development using React when needed. Contributing to product improvements through experimentation and iteration. Taking care of application performance and reliability. Collaborating with Product Managers and team members to deliver high-quality solutions. Requirements: 3+ years of experience with Ruby on Rails. Good knowledge of Active Record and RSpec. Experience working with production applications (AWS or Heroku is a plus). Familiarity with relational databases (e.g., PostgreSQL). Experience writing tests and understanding of testing best practices. Understanding of the MVC pattern or similar architectures. Basic experience with React (components, API integration). Understanding of REST API principles. English and Polish at a minimum B2 level. Familiarity with Agile methodologies (Scrum, Kanban). Nice to have: Experience with distributed systems. Interest in using AI tools to improve development workflow. Why join us? Flexible Working Hours – We focus on results! Manage your time, keep your team informed about your availability, and attend key meetings. Work from Anywhere – Choose your ideal setup! Work 100% remotely within the EU , go hybrid , or enjoy our Warsaw office , fully equipped for productivity. Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team. Flat Structure – We value initiative and open communication. Every voice matters here! Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable. Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world. Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow. Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office , you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk . Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.

🏢 Summary: B2B contract opportunity for an experienced Ruby on Rails Backend Developer to design, build, and maintain scalable backend services and production-grade APIs in a remote-first environment. The role focuses on delivering high-quality, reliable, and performant solutions in close collaboration with cross-functional teams. Candidates will work in an agile setup, contributing to architecture decisions, automated testing, and continuous improvement initiatives. 🗂️ Requirements: 4+ years of commercial experience with Ruby on Rails, Experience building and maintaining production-grade APIs and backend systems, Knowledge of PostgreSQL and relational database design, Experience with RSpec and automated testing, Experience with AWS and/or Heroku, Understanding of software architecture principles and backend scalability, Experience working in Agile environments, English proficiency at B2+ level 📃 Skills: Ruby, Rails, PostgreSQL, RSpec, AWS, Heroku, Sidekiq, SQL, REST, Git 🏢 Description: About us LLInformatics is a forward-thinking IT consulting firm, trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 130+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry—backed by a strong, collaborative work culture that fuels our success. Contract Type: B2B Location: Remote or in our Warsaw office Your Tasks and Responsibilities: Design, develop, and maintain backend features and APIs using Ruby on Rails. Build scalable backend services supporting business applications. Collaborate with Product, QA, and DevOps teams to deliver business-focused solutions. Improve application performance, reliability, maintainability, and scalability. Write clean, production-ready code with appropriate test coverage (unit and integration tests). Participate in code reviews and follow engineering best practices. Troubleshoot application issues and support production deployments. Participate in agile development processes and contribute to continuous improvement initiatives. Requirements: 4+ years of commercial Ruby on Rails experience. Strong experience building and maintaining production-grade APIs and backend systems. Good knowledge of PostgreSQL and relational database design. Experience with RSpec and automated testing. Experience with AWS and/or Heroku. Understanding of software architecture principles and backend scalability concepts. Experience working in Agile environments. Strong communication skills in English (B2+). Nice to Have: Experience with background processing solutions (e.g., Sidekiq). Experience with monitoring, observability, and performance optimization. Experience working with international teams and stakeholders. Why join us? Flexible Working Hours – We focus on results! Manage your time, keep your team informed about your availability, and attend key meetings. Work from Anywhere – Choose your ideal setup! Work 100% remotely within the EU , go hybrid , or enjoy our Warsaw office , fully equipped for productivity. Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team. Flat Structure – We value initiative and open communication. Every voice matters here! Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable. Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world. Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow. Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office , you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk . Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.

🏢 Summary: Senior Ruby on Rails engineer role focused on designing and building scalable, production-grade backend systems and APIs in a remote-first environment. The position involves architectural decision-making, performance optimization, mentoring, and close collaboration with cross-functional teams. The offer includes flexible remote work within the EU, modern equipment, and a strong engineering culture emphasizing quality and automation. 🗂️ Requirements: 6+ years commercial experience with Ruby on Rails, Strong experience building production-grade APIs and backend systems, Advanced knowledge of PostgreSQL, Experience with database optimization and data modeling, Strong experience with RSpec and automated testing, Experience with AWS and/or Heroku, Understanding of distributed systems and system architecture, Experience working in Agile environments, English proficiency at B2+ level 📃 Skills: Ruby, Rails, PostgreSQL, RSpec, AWS, Heroku, APIs, SQL, Git, Agile 🏢 Description: About us LLInformatics is a forward-thinking IT consulting firm, trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 130+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry—backed by a strong, collaborative work culture that fuels our success. Contract Type: B2B Location: Remote or in our Warsaw office Your Tasks and Responsibilities: Design, develop, and own complex backend features and APIs using Ruby on Rails. Architect scalable, reliable, and maintainable backend services. Collaborate closely with Product, QA, DevOps, and business stakeholders to translate requirements into technical solutions. Drive improvements in system performance, scalability, reliability, and engineering quality. Write clean, production-grade code with strong automated test coverage. Review code, establish engineering standards, and contribute to architectural decisions. Troubleshoot complex production issues and support stable, efficient deployments. Participate in agile delivery processes and drive continuous improvement initiatives. Mentor other engineers and actively contribute to knowledge sharing within the team. Requirements: 6+ years of commercial Ruby on Rails experience. Strong experience designing and building production-grade APIs and backend systems. Advanced knowledge of PostgreSQL, database optimization, and data modeling. Strong experience with RSpec, automated testing, and engineering best practices. Experience with AWS and/or Heroku. Good understanding of distributed systems, scalability, and system architecture. Experience working in Agile environments. Strong communication skills in English (B2+). Nice to Have: Technical leadership or mentoring experience. Experience with observability, monitoring, and performance optimization. Experience participating in architectural discussions and technical decision-making. Experience working directly with international stakeholders. Why join us? Flexible Working Hours – We focus on results! Manage your time, keep your team informed about your availability, and attend key meetings. Work from Anywhere – Choose your ideal setup! Work 100% remotely within the EU , go hybrid , or enjoy our Warsaw office , fully equipped for productivity. Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team. Flat Structure – We value initiative and open communication. Every voice matters here! Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable. Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world. Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow. Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office , you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk . Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.

🏢 Summary: B2B contract for a senior backend-focused engineer to design and develop scalable APIs and services using Ruby on Rails, with supporting frontend work in React. The role involves building production-grade systems, ensuring high test coverage, and improving performance, reliability, and scalability in a distributed environment. 🗂️ Requirements: 6+ years commercial experience with Ruby on Rails, Experience building production APIs and backend systems, Entry-level experience with React (components, state management, API integration), Knowledge of PostgreSQL and relational databases, Experience with RSpec and automated testing, Experience with AWS and/or Heroku, Understanding of scalable and distributed systems, Experience working in Agile teams, English and Polish at minimum B2+ 📃 Skills: Ruby, Rails, React, PostgreSQL, SQL, RSpec, AWS, Heroku, API, REST, JavaScript, Git 🏢 Description: About us LLInformatics is a forward-thinking IT consulting firm, trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 130+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry—backed by a strong, collaborative work culture that fuels our success. Contract Type: B2B Location: Remote or in our Warsaw office Your Tasks and Responsibilities: Design and develop backend features and APIs using Ruby on Rails as the primary technology stack. Contribute to frontend development in React, including building components and integrating APIs when needed. Build scalable backend services and APIs powering applications. Develop reusable frontend components and maintain a clean UI architecture. Collaborate directly with Product, Design, QA, and DevOps teams to deliver business-focused solutions. Improve application performance, reliability, scalability, and maintainability. Write clean, production-grade code with strong test coverage (unit, integration, E2E). Review code, maintain engineering standards, and support technical decision-making. Troubleshoot production issues and support stable deployments. Participate in agile delivery processes and contribute to continuous improvement. Support knowledge sharing and technical mentorship within the team. Requirements: 6+ years of commercial Ruby on Rails experience. Solid entry-level React experience (components, state management, API integration). Strong experience building production APIs and backend systems. Good knowledge of PostgreSQL and relational databases. Experience with RSpec, automated testing, and strong engineering practices. Experience with AWS and/or Heroku. Understanding of scalable and distributed systems. Experience working in Agile teams. Strong communication skills in English at a minimum B2+ level. Nice to Have: Tech Lead or mentoring experience. Experience with observability, monitoring, and performance optimization. Experience working directly with international stakeholders. Why join us? Flexible Working Hours – We focus on results! Manage your time, keep your team informed about your availability, and attend key meetings. Work from Anywhere – Choose your ideal setup! Work 100% remotely within the EU , go hybrid , or enjoy our Warsaw office , fully equipped for productivity. Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team. Flat Structure – We value initiative and open communication. Every voice matters here! Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable. Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world. Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow. Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office , you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk . Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.

🏢 Summary: B2B IT Project Manager role responsible for end-to-end delivery of multiple software projects, ensuring timelines, budgets, and quality standards are met. The position focuses on operational ownership, KPI-driven performance tracking, and client-facing coordination in Agile and hybrid environments. Fully remote or Warsaw-based with strong emphasis on process optimization and delivery excellence. 🗂️ Requirements: Minimum 4 years experience as IT Project Manager or similar delivery role, Experience managing multiple software projects simultaneously, Experience in software delivery environments, Knowledge of Agile, Lean, and traditional project management methodologies, Experience with budget and resource management, KPI-driven performance monitoring experience, Fluent English (C1 minimum) 📃 Skills: Agile, Lean, ProjectManagement, RiskManagement, Budgeting, ResourcePlanning, KPI, SoftwareDelivery 🏢 Description: About us LLInformatics is a forward-thinking IT consulting firm, trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 130+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry—backed by a strong, collaborative work culture that fuels our success. Contract Type: B2B Location: Remote/Warsaw Your Tasks & Responsibilities Project Delivery & Operational Ownership Plan, execute, and deliver projects on time, within budget, and according to quality standards Define project scope, objectives, deliverables, timelines, and resource allocation Coordinate day-to-day project operations across teams Track project progress, priorities, blockers, and risks Proactively resolve issues and escalate concerns early Ensure accountability and operational efficiency across all project stakeholders Continuously optimize project workflows, tools, and methodologies Client Relationship Management Serve as the main operational point of contact for clients Build strong client trust through responsiveness and transparent communication Provide regular updates on project progress, risks, and milestones Ensure clients consistently feel supported and well-informed Identify opportunities for delivery improvements and enhanced client satisfaction Budget, Resource & Staffing Management Monitor budgets, project costs, and resource efficiency Optimize resource planning and task distribution across teams Define staffing and hiring needs for assigned projects/accounts Coordinate recruitment processes with technical interviewers Ensure strong alignment between client needs and team capabilities Quickly address underperformance or mismatches within project teams Team Operational Management Support team efficiency, collaboration, and overall project health Provide operational feedback to team members Help resolve team performance or collaboration challenges Foster alignment with company culture, values, and delivery expectations Performance Tracking & Continuous Improvement Monitor KPIs related to project delivery, client satisfaction, and operational effectiveness Prepare reports, analyses, and risk assessments Use data-driven insights to implement process improvements Contribute to refining internal project management standards and best practices Requirements Minimum 4 years of experience as an IT Project Manager or similar delivery role Strong ownership mentality and accountability Proven success managing multiple projects simultaneously Excellent organizational and planning capabilities Proactive communication and stakeholder management Strong problem-solving and decision-making skills Ability to work independently while managing multiple priorities Experience in software delivery environments Knowledge of Agile, Lean, and traditional project management methodologies Analytical mindset with KPI-driven decision-making Strong cultural alignment and team leadership capabilities Fluent English (minimum C1) Why Join LLInformatics? Flexible working hours focused on outcomes Work from anywhere in the EU, hybrid, or from our Warsaw office Comprehensive onboarding and mentor support Flat organizational structure with real influence on company processes High-trust, positive team culture Modern project management practices Transparent communication and regular feedback Premium equipment package (MacBook + office workstation setup) Optional weekly English lessons with native speakers Recruitment Process Stage 1: 30-minute video interview with the Recruitment Team Stage 2: 1-hour video interview with the Management Team

🏢 Summary: A junior developer academy program offering hands-on experience with Ruby on Rails under mentorship, leading to potential full-time collaboration. Participants will build features, fix bugs, and write tests while deepening their understanding of web application development. The program starts on-site in Warsaw with the possibility of remote work later. 🗂️ Requirements: Basic knowledge of Ruby on Rails, Basic knowledge of JavaScript, Understanding of web application architecture, Ability to write unit, integration, and end-to-end tests, Upper-Intermediate English (B2+) 📃 Skills: Ruby, Rails, JavaScript, UnitTesting, IntegrationTesting, E2ETesting 🏢 Description: 🚀 LLI Academy 3rd Edition: Now Recruiting! We’re excited to launch the third edition of our LLI Academy – an initiative dedicated to discovering talented junior developers who are passionate about the IT world, coding, and eager to grow their skills in a professional environment. This program is designed to give promising developers the opportunity to gain hands-on experience, receive mentorship, and become a part of our dynamic team. Our previous editions were a great success, resulting in continued cooperation with amazing junior developers who joined our company full-time. Now, we’re looking for the next wave of talent to join us! About us LLInformatics is a forward-thinking IT consulting firm, trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 100+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry, backed by a strong, collaborative work culture that fuels our success. 📍 Location: Warsaw (on-site for first 3 months), then possibility of remote work📄 Contract Type: UZ Your tasks and responsibilities: Develop your coding skills with the support of mentors and a structured curriculum Implement new features and functionalities Solve programming challenges while deepening your understanding of Ruby Participate in regular code reviews and receive feedback from experienced developers Maintain and improve existing codebases (bug fixing, refactoring) Write unit, integration, and end-to-end tests Requirements: Basic knowledge of Ruby on Rails Basic knowledge of JavaScript Eagerness to learn, improve, and tackle new challenges Logical and critical thinking skills Understanding of how web applications work A proactive, hands-on attitude towards solving problems Upper-Intermediate English ( B2+ ) Why join us? Flexible Working Hours – We focus on results! Manage your time, keep your team informed about your availability, and attend key meetings. Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team. Flat Structure – We value initiative and open communication. Every voice matters here! Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable. Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world. Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow. Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office, you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk. Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.

🏢 Summary: The offer is for a QA Engineer responsible for manual and automated testing of web and mobile applications in a cloud-based environment. The role involves preparing test documentation, maintaining regression tests, reporting issues, and collaborating with cross-functional teams within CI/CD-driven processes. It provides opportunities to develop in test automation, API testing, performance testing, and test management. 🗂️ Requirements: Minimum 2 years of experience in testing web and mobile applications, Basic knowledge of GIT, Basic knowledge of SQL, Basic knowledge of JIRA or DevOps, Knowledge of CI and CD processes, Understanding of web applications and microservices, Ability to create effective test cases, Experience with manual testing, Ability to participate in test automation processes, Good command of English, Good command of Polish 📃 Skills: GIT, SQL, JIRA, DevOps, CI, CD, SOAP, REST, GraphQL, SoapUI, Postman, Selenium, Jmeter, C# 🏢 Description: We build innovative digital products for the modern workplace in the Cloud, and we need your help. Our products are being used by hundreds of thousands of employees worldwide, so it’s our top priority to deliver the best and bug-free experiences. The QA-friendly processes such as Continuous Integration, Continuous Delivery, and Code Review will help you at every step. You will always have direct contact with a Team Leader, UX Designer, and Product Owner, and access to all the resources you need to make your work efficient and fun. Responsibilities: prepare product and test documentation (case study, scenario, reports, etc.), prepare and maintain regression scenario tests, register requests/issues and report work results, coordinate the process of handling requests, clarify any possible concerns with analysts, developers and clients, participate in manual testing and test automation processes. Apply if you: have at least 2 years of experience in testing web and mobile applications, have at least basic knowledge of GIT, SQL, JIRA or Devops, know Software development process with CI and CD, have knowledge of how web applications and microservices work, are meticulous and able to creatively find solutions for any possible problems, are able to create effective test cases, can think creatively and skillfully find out-of-the-box solutions, are interested in modern technologies, have a good command of spoken and written English, have a good command of written and spoken Polish, are able to work in a team (everyday communication with testers, programmers, analysts and clients), are focused on long-term cooperation, development and expanding responsibilities (promotion to higher positions). Nice to have: knowledge of: SOAP/REST/GraphQL, SoapUI, Postman, Selenium, Jmeter, C#, higher technical education degree (including final year students). We offer: hybrid or on-site model of working, possible development towards: project test management and planning, planning and preparation of automated tests, planning and preparing API tests, planning and preparing performance tests, certifications and knowledge transfer, the latest technologies, which you will be working with, fully equipped workplace, benefits package (private medical care, Multisport card).

🏢 Summary: Fully remote Senior DevOps / SysOps Engineer role focused on deep Linux infrastructure, advanced troubleshooting, and operational excellence in complex production environments. The position involves managing, securing, automating, and optimizing Linux-based systems, containers, virtualization, and CI/CD pipelines. The role requires strong hands-on expertise across OS internals, networking, security, and infrastructure automation. 🗂️ Requirements: Strong experience as Senior DevOps / SysOps / Linux / Infrastructure Engineer, Deep understanding of Linux systems and OS internals, Advanced Linux administration and troubleshooting skills (L3+ level), Experience with Bash, Python, Ansible, Strong knowledge of TCP/IP, routing, firewalls, network diagnostics, Experience with Linux security and system hardening (SELinux), Experience with container technologies, Experience with virtualization platforms (KVM, VMware or similar), Understanding of CI/CD and deployment automation, Ability to troubleshoot complex production environments independently 📃 Skills: Linux, Bash, Python, Ansible, TCP/IP, SELinux, Docker, Kubernetes, Podman, KVM, VMware, Jenkins, CI/CD, systemd, SSH, PostgreSQL, Zabbix, OpenSearch 🏢 Description: Bytamic is an international IT services and Consulting company with its headquarters in Vienna, Austria and subsidiary companies in Warsaw and Poznan. We work with multinational companies and we drive digital transformation for our clients. We are truly agile, work with the latest technologies and our engineers and scrum-teams deliver state-of-the-art product development services for our clients. Delivering with highest quality standards is key to us – therefore we focus on continuous training & education of our engineers. Client's description Global leader in communication and information solutions for safety-critical environments, with over 75 years of innovation and excellence. Operating across sectors such as civil aviation, defense, public safety, maritime, and public transportation, the company delivers cutting-edge solutions tailored to user needs worldwide. Role Overview For our Client we are looking for a qualified partner for Senior DevOps / SysOps Engineer (m/f/d) position with a strong Linux background and deep operational expertise. The role is ideal for someone who understands systems under the hood - not only at the tooling level, but also at the operating system, security, networking, and infrastructure layers. It is good to have strong troubleshooting skills, broad infrastructure knowledge, and practical experience working in complex production environments. The position is fully remote. Key Responsibilities Troubleshoot complex Linux infrastructure and operating system issues at L3/L4 escalation level Analyze logs, diagnose incidents, perform root cause analysis, and resolve production problems Manage and maintain Linux systems and services, including: systemd, boot process, SSH, permissions, service management, performance tuning Work with Linux internals and core operating system concepts: processes, memory management (RAM/swap, filesystems, networking, initramfs, kernel basics Configure and maintain Linux security mechanisms, including SELinux, hardening, and security policies Support secure infrastructure practices and vulnerability analysis Build and improve automation and operational tooling using Bash, Python, and Ansible Support CI/CD pipelines and deployment automation processes (Jenkins or similar tools) Work with containerized workloads and container technologies (Docker / Podman / Kubernetes basics) Manage and support virtualization environments (KVM preferred, VMware or similar also acceptable) Monitor, optimize, and improve system reliability, stability, and performance Collaborate with development and infrastructure teams on operational improvements and system integrations Participate in platform hardening, infrastructure improvements, and operational automation initiatives Required Skills & Experience Strong experience as Infrastructure Engineer/ Systems Engineer/ Senior Linux Administrator/ DevOps / SysOps Engineer with strong infrastructure background Deep understanding of Linux systems and operating system internals Very good practical knowledge of: Linux administration, troubleshooting, system services, logs, networking, permissions, security Strong production troubleshooting and analytical skills Experience working at advanced escalation/support levels (L3+) Hands-on experience with: Bash, Python, Ansible, administrative scripting Good understanding of: TCP/IP, routing, firewalls, network diagnostics Experience with Linux security and system hardening, especially SELinux General knowledge of containerization technologies: Docker, Kubernetes, Podman General virtualization knowledge (KVM, VMware, or similar) Understanding of CI/CD concepts and deployment automation Ability to build solutions, integrate components, and solve infrastructure problems independently Strong hands-on and engineering-oriented mindset Nice to Have Experience in: SRE, Infrastructure Engineering Experience with observability and monitoring tools: Zabbix, OpenSearch, Data Prepper, Fluent Bit Basic PostgreSQL administration knowledge What you can expect from us: Fully remote work Long-term cooperation on enterprise-scale systems Challenging infrastructure and automation projects International engineering environment Career development and continuous learning opportunities Training and education budget Partial reimbursement for private healthcare and Multisport Language classes Modern equipment Attractive remuneration Employee referral program Team events and integration meetings If you can deeply understand Linux and infrastructure can diagnose and troubleshoot complex problems independently understand how containers and infrastructure work internally - not only how to use them are a cross-functional engineer combining administrator, infrastructure, and automation skills are a person who values ownership, autonomy, and continuous learning we would like to hear from you:) #linux #infrastructure #systemsengineer #devops #sysops #sre #automation #remote #itjobs #poland