Systems Engineer (Linux / DevOps / SysOps) (m/f/d)) 🚀

🏢 Summary: Remote Site Reliability Engineer role focused on designing, implementing, and operating secure, scalable Linux-based infrastructure and deployment environments. The position centers on virtualization, containerization, CI/CD, and automation within large-scale enterprise systems. You will collaborate with international teams to improve reliability, security, and efficiency of software delivery platforms. 🗂️ Requirements: Strong Linux system administration experience, Experience with KVM virtualization, Experience with containerization using Podman, Knowledge of Linux security concepts including SELinux, Hands-on experience with CI/CD tools such as Jenkins, Proficiency in Python scripting, Proficiency in Bash scripting 📃 Skills: Linux, KVM, Podman, SELinux, Jenkins, Python, Bash, CI/CD, Virtualization, Containerization, Automation 🏢 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 Site Reliability Engineer (m/f/d) position to support the design, implementation, and operation of modern infrastructure and deployment environments. The role focuses on Linux systems, virtualization, containerization, and automation, ensuring secure, scalable, and reliable platforms for software delivery. You will work on modern infrastructure and automation topics and collaborate in a skilled and international team. You will belong to large-scale, enterprise-grade environments with continuous learning and development opportunities. The position is fully remote. Key Responsibilities Design, implement, and maintain Linux-based environments Manage and optimize virtual environments and container platforms (Podman) Ensure system security and compliance, including SELinux configuration and troubleshooting Develop and maintain CI/CD pipelines using tools such as Jenkins Automate operational and deployment tasks using Python and Bash Collaborate with development and infrastructure teams to improve system reliability and efficiency Support troubleshooting, performance tuning, and system optimization Required Skills & Experience Strong expertise in Linux system administration Experience with virtualization technologies, particularly KVM Experience with containerization tools (Podman preferred) Solid understanding of Linux security concepts, especially SELinux Hands-on experience with CI/CD tools (e.g., Jenkins or similar) Proficiency in scripting and automation using Python and Bash Nice to Have Solid understanding of networking concepts Experience with configuration management tools (e.g., Ansible) Familiarity with monitoring and observability tools such as: Zabbix OpenSearch Data Prepper Fluent Bit Basic database knowledge, preferably PostgreSQL What you can expect from us: Working with latest technologies Lots of career development potentials (career-planning) Challenging projects (mostly product/feature development) International software development teams with distributed delivery groups Partial reimbursement for Private healthcare and Multisport Training & education Attractive remuneration Language classes (usually business English; but not limited to) Modern computer equipment Employee referral programme Integrational meetings & events If you think that this job offer can be for you, we would like to hear from you:) #linux #english #itjobs #poland #cicd #sre

🏢 Summary: B2B role for an experienced QA Automation Engineer/SDET to design, develop, and scale Python-based UI and backend test automation frameworks for complex distributed systems. The position focuses on improving automation standards, reliability, and quality metrics while working with CI/CD pipelines and event-driven architectures. The role involves end-to-end ownership of test automation across multiple product areas in a remote or Warsaw-based setup. 🗂️ Requirements: Minimum 4+ years in Software Testing, QA Engineering or SDET roles, Strong experience in designing and developing test automation frameworks at scale, Advanced Python programming skills, Experience with API and backend testing in distributed systems, Hands-on experience with UI test automation tools, Strong SQL knowledge with ability to write complex queries, Experience with CI/CD pipelines and related tools, Practical knowledge of Linux environments and networking concepts, Experience with event-driven architectures or messaging systems, Strong debugging and log analysis skills, Ability to work independently and own automation across product areas, Experience contributing to or improving automation frameworks and standards 📃 Skills: Python, PyTest, Playwright, Selenium, SQL, Linux, Kafka, CircleCI, Git, Jira, TestRail, Sentry, CI/CD, API, Networking 🏢 Description: LLInformatics is an IT consulting company with dozens of satisfied clients across Europe and North America. We serve businesses that expect their challenging projects to be delivered according to plan, with impeccable quality, and under strict compliance requirements. Our remote-first team of 100+ experts specializes in building high-quality digital products. We set a new standard in our industry through data-driven decisions, measurable outcomes, a strategic mindset, and a solid work culture. Contract Type: B2B Location: Warsaw or the possibility of Remote work Your tasks and responsibilities: Design, develop, and maintain UI test automation frameworks for complex systems Work extensively with Python-based frameworks (e.g., PyTest, Playwright) and enhance existing automation libraries Apply strong Linux and networking knowledge in daily testing and debugging Write complex SQL queries for test data validation and automation support Deliver high-quality defect reports with logs, root cause analysis, and reproduction details Work with event-driven systems (e.g., Kafka in payments-related domains) Use and promote tools such as Jira, TestRail, Sentry, Git, and CircleCI within CI/CD workflows Independently deliver automation across multiple product areas Identify gaps in test coverage and proactively mitigate automation risks Continuously improve automation effectiveness and contribute to QA KPIs Drive reliability improvements in frameworks, tools, and test suites Communicate risks, blockers, and technical issues Take full ownership of quality for assigned areas Collaborate closely with engineers, architects, DevOps, and product teams Participate in cross-team discussions to improve system testability and design Share knowledge and best practices across engineering teams Oversee consistency and quality of Python-based automation frameworks Define and evolve automation standards and best practices Guide teams in selecting high-value test cases for automation Track and report key automation and quality metrics Support onboarding of new engineers and ensure smooth ramp-up Requirements: Minimum 4+ years of experience in Software Testing, QA Engineering, or SDET roles Strong hands-on experience in test automation design and development at scale Advanced Python programming skills with ability to build and maintain robust automation frameworks Experience with API and backend testing in complex distributed systems Practical knowledge of UI test automation tools (e.g., Playwright, Selenium or similar) Strong understanding of SQL, including writing complex queries for test data validation and automation purposes Experience working with CI/CD pipelines and related tools (e.g., CircleCI or similar) Familiarity with Linux environments and networking concepts used in day-to-day testing work Experience with event-driven architectures or messaging systems (Kafka experience is a strong plus) Solid understanding of debugging, log analysis, and root cause investigation in production-like environments Ability to read, interpret, and work with technical and functional documentation in English Strong ownership mindset with ability to work independently across multiple product areas Proven ability to improve or contribute to automation frameworks and testing standards Experience mentoring or supporting junior engineers is highly valued Strong collaboration skills and experience working closely with developers, DevOps, and product teams Why join us? 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 Infrastructure / DevOps Engineer role focused on operating and evolving on-premises infrastructure while expanding cloud capabilities in hybrid environments. The position combines infrastructure administration, automation, CI/CD, and Kubernetes operations, supporting mission-critical production systems. Includes mandatory 24x7 L2 on-call participation to ensure high availability and reliability. 🗂️ Requirements: 7+ years experience in infrastructure or DevOps roles, Strong hands-on experience with on-premises environments, Solid experience with Proxmox and KVM virtualization, Strong Linux systems administration expertise, Proven production experience with Ansible, Knowledge of IP networking, routing, VLANs and firewalls, Experience with SAN/NAS storage and high-availability architectures, Experience with CI/CD tools, Experience with monitoring and observability stacks, Scripting skills in Bash or Python, Experience with PostgreSQL or Oracle administration, Hands-on experience with Docker, Operational knowledge of Kubernetes, Experience with AWS or Azure, Availability for 24x7 L2 on-call rotation 📃 Skills: Proxmox, KVM, Linux, Ansible, CICD, GitLab, Jenkins, Bash, Python, PostgreSQL, Oracle, Docker, Kubernetes, AWS, Azure, Prometheus, Grafana, SAN, NAS, VLAN, Firewalls, IP, Routing 🏢 Description: We are looking for a Senior Infrastructure / DevOps Engineer with strong hands-on experience in on-premises infrastructure and automation, who is evolving or consolidating their skills in cloud environments . This role is critical to the stability, reliability and continuous improvement of our technology platforms, including mission-critical production systems. This position combines infrastructure administration, DevOps practices, automation and continuous operations , with mandatory participation in a x7 on-call rotation (L2 support) . Key Responsibilities On-Premises Infrastructure (Core Focus) Operate, maintain and evolve on-premises infrastructure , ensuring stability, performance and high availability. Administer virtualization environments based on Proxmox (KVM) , including clusters, capacity planning and HA. Manage storage systems (SAN/NAS), including performance, redundancy, backup and recovery. Perform Linux systems administration , including hardening, patching, security and best practices. Work with networking concepts such as IP networking, VLANs, basic routing and firewalls . DevOps & Automation Automate infrastructure provisioning and configuration using Ansible and Infrastructure as Code principles. Build, maintain and improve CI/CD pipelines . Collaborate closely with development teams to improve deployment, reliability and troubleshooting processes. Reduce manual operational tasks through automation and standardization. Cloud Operations (Growth & Consolidation Phase) Operate and support public cloud environments (AWS, Azure) , primarily using IaaS services. Work in hybrid environments (on-prem + cloud) , ensuring integration, security and operational consistency. Apply cloud best practices related to cost management, security and reliability. Operate and support Kubernetes workloads , with a focus on day-to-day operations, networking, storage and troubleshooting. Reliability, Operations & On-Call Ensure high levels of availability, reliability and operational excellence . Participate actively in a 24x7 on-call rotation (L2 support) for production systems. Respond to incidents, perform root cause analysis and define corrective and preventive actions. Implement and maintain solutions (e.g., Prometheus, Grafana) for monitoring, logging and metrics . Collaboration & Documentation Work closely with engineering and product teams in a multidisciplinary environment. Create and maintain clear and practical documentation (runbooks, operational guides, handbooks). Support onboarding and promote operational and infrastructure best practices. Key Requirements 7+ years of experience in infrastructure, systems, DevOps or similar roles. Strong, hands-on experience with on-premises environments . Solid experience with Proxmox (KVM) . Strong knowledge of Linux systems administration . Proven experience using Ansible in production environments. Good understanding of networking fundamentals (IP, routing, firewalls, VLANs). Strong understanding of storage concepts and high-availability architectures. Experience with CI/CD tools (GitLab CI, Jenkins or equivalent). Experience with monitoring and observability stacks . Scripting skills (Bash, Python or similar). Experience with database administration (e.g. PostgreSQL, Oracle). Hands-on experience with container technologies such as Docker. Functional knowledge of Kubernetes , with an operational focus. Experience with public cloud platforms (AWS and/or Azure) . Profile & Mindset Strong operational mindset and sense of ownership. Comfortable working with critical production systems . Able to work autonomously and make technical decisions. Clear interest in growing cloud skills , grounded in strong traditional infrastructure experience. Practical, resilient and solution-oriented approach. Strong communication and collaboration skills. Professional proficiency in English (written and spoken).

🏢 Summary: The offer is for an Oracle/Linux Systems Expert responsible for designing, developing, and maintaining Oracle/Linux architecture in on‑premises and OCI environments. The role focuses on infrastructure automation, CI/CD pipeline development, security governance implementation, and ensuring high availability and disaster recovery for critical business systems. The position operates in a DevOps model, supporting development teams and optimizing cloud-based environments. 🗂️ Requirements: Higher education in IT or related field, 3–5 years experience with Oracle/Linux systems, Strong Linux administration skills (Oracle Linux), Knowledge of Oracle EBS architecture, Experience designing and automating Oracle database environments, Experience with IaC tools (Terraform, Ansible), Experience with CI/CD pipelines and deployment automation, Administration of IDCS, APEX, ORDS, Knowledge of Grid Infrastructure and Oracle RAC, Knowledge of security processes (hardening, patching), Ability to diagnose performance issues, Knowledge of Disaster Recovery mechanisms for Oracle systems, Communicative English 📃 Skills: Oracle, Linux, OracleEBS, OCI, Terraform, Ansible, Bash, Python, CI/CD, IDCS, APEX, ORDS, GridInfrastructure, RAC, SOX, MFA, PIM, APM 🏢 Description: Poszukujemy doświadczonej i zmotywowanej osoby na stanowisko Oracle/Linux Systems Expert , która dołączy do naszego zespołu. Będziesz odpowiedzialny/a za projektowanie, rozwój i utrzymanie architektury systemów Oracle/Linux wykorzystywanych w kluczowych środowiskach biznesowych. Rola obejmuje również automatyzację procesów wdrożeniowych, działania w modelu DevOps oraz implementację polityk bezpieczeństwa i governance. Jeśli masz doświadczenie w pracy z systemami Oracle i Linux oraz chcesz rozwijać się w zaawansowanym środowisku infrastrukturalnym – zapraszamy do aplikowania! Twój zakres obowiązków: Projektowanie, utrzymanie i rozwój architektury systemów Oracle/Linux (on‑prem + OCI). Zapewnienie zgodności środowisk z wymogami audytowymi – wdrażanie polityk governance, bezpieczeństwa i separacji obowiązków. Migracja procesów wdrożeniowych do zespołu infrastrukturalnego (SOX/Segregation of Duties). Tworzenie oraz rozwój pipeline’ów CI/CD dla zmian w Oracle EBS i powiązanych środowiskach. Automatyzacja infrastruktury w oparciu o narzędzia IaC (Terraform, Ansible) oraz automatyzacja procesów operacyjnych w środowiskach Linux. Zapewnienie wsparcia infrastrukturalnego dla zespołów developerskich (środowiska, logi, analiza). Projektowanie i wdrażanie polityk bezpieczeństwa (MFA, PIM, rotacja haseł, ochrona kluczy). Utrzymanie procesów Disaster Recovery: backup, archiwizacja, testy odtworzeniowe. Budowa rozwiązań monitoringu i observability (metryki, alerting, tracing, wykrywanie anomalii). Współpraca z dostawcami (Oracle, Microsoft), zespołami developerskimi i audytowymi. Udział w analizach kosztowych i optymalizacyjnych dla środowisk chmurowych. Prowadzenie dokumentacji technicznej oraz pełnienie funkcji eksperckiej w projektach IT. To oferujemy: Pracę zdalną Prywatną opiekę medyczną Ubezpieczenie na życie Kartę Multisport Nowoczesną Platformę Benefitową Szkolenia i rozwój kompetencji zawodowych Kartę lunchową 400 PLN netto Paczki świąteczne dla dzieci Jeden dodatkowy dzień wolny Pracowniczy Program Emerytalny Nasze oczekiwania: Wykształcenie wyższe kierunkowe. Minimum 3–5 lat doświadczenia w pracy z systemami Oracle/Linux. Bardzo dobra znajomość administracji Linux (szczególnie Oracle Linux). Znajomość architektury Oracle EBS i powiązań komponentów. Doświadczenie w projektowaniu i automatyzacji środowisk bazodanowych Oracle. Znajomość IaC i automatyzacji: Terraform, Ansible, Bash, Python. Umiejętność pracy w modelu DevOps: pipeline’y CI/CD, automatyzacja wdrożeń. Administracja IDCS, APEX, ORDS Praktyczna znajomość Grid Infrastructure, Oracle Real Application Cluster Znajomość procesów bezpieczeństwa: hardening, patching. Umiejętność diagnozowania problemów wydajnościowych (APM, logi, metryki, tracing). Znajomość mechanizmów Disaster Recovery dla systemów Oracle. Znajomość języka angielskiego w stopniu komunikatywnym.

🏢 Summary: Senior Engineer role focused on Linux platform hardening and security within a client’s infrastructure. The position involves developing Python and Bash tools, implementing security mechanisms, and troubleshooting in a Linux-based environment. You will work in an Agile team on network-related projects using modern DevOps and cloud technologies. 🗂️ Requirements: 8+ years of experience, Deep knowledge of Linux, Hands-on experience with Linux-based environments, Proven experience in Linux platform hardening, Strong knowledge of security standards (SOC2), Advanced Python programming, Advanced Bash scripting, Solid knowledge of SQL, Experience with PostgreSQL, Experience in network-related projects 📃 Skills: Linux, Debian, Python, Bash, SQL, PostgreSQL, Docker, Kubernetes, AWS, Git, Puppet, Yocto, GithubActions, SOC2 🏢 Description: Get to know us better CodiLime is a software and network engineering industry expert and the first-choice service partner for top global networking hardware providers, software providers and telecoms. We create proofs-of-concept, help our clients build new products, nurture existing ones and provide services in production environments. Our clients include both tech startups and big players in various industries and geographic locations (US, Japan, Israel, Europe). While no longer a startup - we have 250+ people on board and have been operating since 2011 we’ve kept our people-oriented culture. Our values are simple: Act to deliver. Disrupt to grow. Team up to win. The project and the team We are looking for an engineer with a strong expertise in Linux, security and Python to join our client's team and do platform hardening within the client's infrastructure. What else you should know: The team consists of less than 15 people, including an architect, a project manager, backend developers, frontend developers, and DevOps engineers. We use SCRUM/Agile methodology Our tech stack for the project includes: Linux, Debian, Yocto, Python, Bash, Docker, Git, Puppet, PostgreSQL, Github Actions, Kubernetes, AWS The client is based in the US. We work on multiple interesting projects at the same time, so it may happen that we’ll invite you to the interview for another project if we see that your competencies and profile are well-suited for it. Your role As a part of the project team, you will be responsible for: Develop Python and Bash tools on Linux servers Implement security mechanisms across client’s infrastructure in the scope of platform hardening Troubleshooting infrastructure issues Creating documentation Working in an agile methodology and collaborating with a team Supporting teammates Attending daily standups with the customer Do we have a match? As a Senior Engineer, you must meet the following criteria: 8+ years of experience Deep knowledge of Linux and hands-on proficiency in Linux-based environments Proficiency in the security domain including practical skills in Linux platform hardening (also familiarity with global standards such as SOC 2) Advanced Python programming skills Advanced Bash scripting skills Solid knowledge of SQL and PostgreSQL Experience with network-related projects Good command of English (B2 level or above) Beyond the criteria above, we would appreciate the nice-to-haves: Familiarity with Yocto Good understanding of various VPN solutions (OpenVPN, WireGuard, strongSwan) Experience working with the AWS ecosystem More reasons to join us Flexible working hours and approach to work: fully remotely, in the office or hybrid Professional growth supported by internal training sessions and a training budget Solid onboarding with a hands-on approach to give you an easy start A great atmosphere among professionals who are passionate about their work The ability to change the project you work on

🏢 Summary: Role for an experienced Linux System Engineer responsible for managing and automating large-scale global server infrastructure across on-premise and cloud environments. The position focuses on Linux administration, Ansible-driven automation, security hardening, CI/CD, and enterprise-scale system management. You will ensure stability, security, and performance of tens of thousands of servers worldwide. 🗂️ Requirements: Bachelor's degree in Computer Science or related technical field, Minimum 5 years of Linux system administration experience (Ubuntu/Debian/RHEL), Hands-on experience with Ansible Automation Platform and CI/CD, Experience integrating Linux with AD, PAM, SSSD, Kerberos, Experience with enterprise patch management tools in large-scale environments, Strong knowledge of IT security and cybersecurity practices, Understanding of DevOps, SRE, Agile, ITIL, Experience managing large-scale server environments (10,000+ systems) 📃 Skills: Linux, Ubuntu, Debian, RHEL, Ansible, CI/CD, AD, PAM, SSSD, Kerberos, Satellite, SUSE, BigFix, Icinga, Nagios, Grafana, x86, Sparc, DevOps, SRE, ITIL, Cloud, Security 🏢 Description: At Bosch, we shape the future by inventing high-quality technologies and services that spark enthusiasm and enrich people’s lives. Our promise to our associates is rock-solid: we enjoy our work, we inspire each other, we provide equal growth opportunities for all team members, all roles are represented in all countries. We grow together! Job Description About the Role: Are you ready to manage the technological backbone of a global leader? Are you passionate about large-scale Linux system engineering and automation that drives performance and security? Bosch is seeking an experienced Linux System Engineer to join our worldwide team responsible for Ubuntu Server, Red Hat (RHEL) Server, and Cloud services. In this role , you will be a key expert responsible for the stability, security, and evolution of one of the world's largest server infrastructures. You will design, implement, and automate solutions that ensure the uninterrupted operation of critical Bosch systems across the globe. This is a unique opportunity to work with cutting-edge technologies and have a real impact on global IT operations. Your Mission: What You'll Be Doing As a Linux System Engineer, you will be the driving force of our infrastructure, transforming complex challenges into elegant, automated solutions. Manage Infrastructure at a Massive Scale: You will be responsible for the installation, maintenance, and upkeep of Linux operating systems (Ubuntu/Debian/RHEL) in an environment of tens of thousands of servers, leveraging advanced automation. Become an Automation Master: You will develop Ansible playbooks and roles, create scripts, and program to continuously improve our CI/CD processes and automate everything—from deployments to daily maintenance. Implement Top-Tier Security: You will stay current with the latest security standards, implement hardening measures, and proactively respond to audit findings and IT risks. Solve Complex Problems: You will collaborate with L1/L2 support teams, analyzing and resolving escalated technical issues to ensure system stability and high availability. Optimize and Monitor: You will enhance our monitoring systems (Icinga, Nagios, Grafana) to ensure full visibility into the infrastructure's health and proactively identify potential issues. Operate in the Cloud and On-Premise: You will perform host management and "golden image" management on cloud platforms, as well as maintain physical server hardware (x86, Sparc). Act as a Key Advisor: You will consult and collaborate with IT and DevOps teams on security best practices for Linux/Unix systems in both on-premise and cloud environments. Qualifications What You Bring to the Table: We are looking for a seasoned engineer with deep technical knowledge, a passion for automation, and a strong sense of ownership. Core Qualifications: Education: A Bachelor's degree in Computer Science, Electrical/Electronics Engineering, or a similar technical discipline. Experience: A minimum of 5 years of professional experience in Linux system administration and engineering (Ubuntu/Debian/RHEL) in large-scale, automated environments. Automation Expertise: Hands-on experience with Ansible Automation Platform (formerly Tower) and CI/CD. You must be proficient in developing Ansible playbooks/ roles to automate tasks at scale. Integration & Authentication: Experience integrating Linux infrastructure with identity providers (AD, PAM) and excellent knowledge of SSSD and Kerberos. Large-Scale Management: Experience with enterprise patch management solutions (e.g., Satellite, SUSE Manager, BigFix) in environments exceeding 10,000 systems. IT Security: Comprehensive knowledge and experience in IT security and cybersecurity. Work Methodologies: A strong understanding of DevOps, SRE, Agile principles, and the ITIL framework. Communication Skills: The ability to communicate and coordinate effectively to ensure the highest level of customer satisfaction. Independence: The ability to work independently in accordance with established organizational standards. Additional Information Work #LikeABosch: Employment Contract Competitive salary + annual bonus Hybrid work with flexible working hours Referral Bonus Program Copyright costs for IT employees Grow #LikeABosch: Complex environment of working, professional support and possibility to share knowledge and best practices Ongoing development opportunities in a multinational environment Broad access to professional trainings (incl. language courses), conferences and webinars Live #LikeABosch: Private medical care and life insurance Cafeteria System with multiple benefits (incl. MultiSport, shopping vouchers, cinema tickets, etc.) Prepaid Lunch Card Number of benefits for families (for instance summer camps for kids) Non-working day on the 31st of December

🏢 Summary: Full-time B2B DataOps Engineer role on a long-term project within a large-scale analytical ecosystem for a telecommunications organization. The position focuses on building and automating end-to-end data processing and deployment workflows across on-premises and Kubernetes environments using GitOps principles. You will design, deploy, and optimize scalable data pipelines while integrating DevOps and Data Engineering practices. 🗂️ Requirements: 2.5+ years commercial experience in Data Engineering, DataOps or DevOps, Strong Python programming, Experience with PySpark and Pandas, Hands-on experience with Kubernetes and containerized applications, Experience with Helm, Experience with Git-based workflows, Experience building CI/CD pipelines, Understanding of GitOps principles, Experience supporting full application lifecycle, Linux command-line proficiency, Experience with LDAP, Active Directory, RBAC and TLS, Experience working with on-premises infrastructure, Polish language proficiency, Based in Poland with valid Polish passport 📃 Skills: Python, PySpark, Pandas, Kubernetes, Helm, Git, GitLab, Jenkins, ArgoCD, CICD, GitOps, Linux, LDAP, ActiveDirectory, RBAC, TLS 🏢 Description: DataOps Engineer (Poland) 💻 Hybrid (Remote with bi-weekly onsite meetings) 🕦 Full-time ☑️ B2B (long-term project) 🌍 Working hours: Central European Time (CET) We are looking for a DataOps Engineer to join a large-scale analytical ecosystem project for a leading telecommunications organization. This role is ideal for an engineer who enjoys solving complex data challenges, building automation from development through production deployment, and working across both Data Engineering and DevOps domains. You will be responsible for designing, developing, deploying, and optimizing large-scale data processing solutions while helping onboard new datasets and automate the entire delivery lifecycle using GitOps principles. The environment combines on-premises infrastructure, Kubernetes, and modern data technologies, requiring someone who is comfortable working beyond cloud-managed solutions. Must-Have’s 2.5+ years of commercial experience in Data Engineering, DataOps, DevOps, or related roles. Strong Python programming skills, including experience with analytical frameworks such as PySpark and Pandas. Experience working with Kubernetes and containerized applications. Hands-on experience with Helm. Experience with Git-based development workflows. Experience building and maintaining CI/CD pipelines using GitLab, Jenkins, ArgoCD, or similar tools. Understanding of GitOps principles and automated deployment processes. Experience supporting the full application lifecycle from development through production deployment. Linux proficiency, including command-line usage. Experience with authentication and authorization technologies such as LDAP, Active Directory, RBAC, and TLS certificate management. Strong analytical and problem-solving skills. Strong English communication skills. Polish language proficiency. Must be based in Poland and available to attend onsite meetings every two weeks. Must hold a valid Polish passport. Comfortable working with on-premises infrastructure environments. Nice to Have Experience with Apache Kafka. Experience with OpenSearch or Elasticsearch. Experience with OpenSearch Data Prepper, dbt, Kafka Streams, or similar ingestion technologies. Familiarity with Hadoop ecosystems. Experience with Ansible. Knowledge of SRE best practices, including SLOs and Error Budgets. Familiarity with Elastic Common Schema (ECS). Familiarity with TMForum standards. Degree from a leading technical university such as University of Warsaw, Warsaw University of Technology, AGH University of Science and Technology, or PJATK. Key Responsibilities Design, develop, and maintain data pipelines running on large-scale analytical platforms. Build automated processes for onboarding datasets and integrating new data streams. Develop and maintain GitOps-driven deployment workflows. Design and implement CI/CD pipelines for data and platform services. Deploy and manage applications running on Kubernetes-based environments. Monitor, troubleshoot, and optimize data processing workloads for performance and scalability. Collaborate with stakeholders to gather requirements and translate business needs into technical solutions. Support application lifecycle management, including design, implementation, deployment, and maintenance. Improve operational efficiency through automation and infrastructure standardization. Work closely with cross-functional teams to ensure reliable and scalable platform operations. Contribute to security, governance, and operational best practices across the environment. Get to know DevsData We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com/

🏢 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 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: DevOps role focused on managing containerized environments and enterprise infrastructure with a cloud-native approach in a highly flexible hybrid model. The position involves maintaining CI/CD pipelines, databases, monitoring systems, and collaborating across technical teams. It offers long-term cooperation with strong ownership over infrastructure projects. 🗂️ Requirements: Strong experience with Windows Server 2012 R2+, Experience with IIS 10, Proficiency in Linux systems (RHEL), Experience with Docker container administration, Experience with Kubernetes clusters, Strong scripting skills in Ansible, Strong scripting skills in Shell, Strong scripting skills in PowerShell, Knowledge of SQL and relational databases, Understanding of TCP/IP networking, Experience with monitoring tools (SCOM, Nagios, Splunk, Zabbix, Prometheus), Experience maintaining MS SQL databases, Ability to communicate in English and Polish (B2) 📃 Skills: Docker, Kubernetes, Ansible, PowerShell, Shell, Batch, Windows, Linux, RHEL, IIS, MSSQL, SQL, TCP/IP, SCOM, Nagios, Splunk, Zabbix, Prometheus, CI/CD 🏢 Description: Looking for a DevOps role that perfectly blends enterprise system stability with a modern, cloud-native approach? How about TRUE flexibility with only 2 days a month in the office? Join us and take your infrastructure management skills to the next level! Your day-to-day responsibilities will include: Managing containerized applications with Docker on Kubernetes clusters Automating CI/CD pipelines using Ansible, shell scripting, and PowerShell Maintaining MS SQL databases and various web services Setting up and evolving infrastructure monitoring tools Collaborating closely with developers, testers, sysadmins, and business teams We're looking for someone who: Has strong experience with Windows Server (2012 R2+) and IIS 10 Is proficient in Linux systems, especially RHEL Knows container administration on both Windows and Linux platforms Has solid scripting skills in Ansible, shell, batch, and PowerShell Understands SQL and relational databases Is familiar with networking fundamentals like TCP/IP Has experience with monitoring tools (SCOM, Nagios, Splunk, Zabbix, Prometheus) Is an independent problem solver with strong analytical thinking Can communicate effectively in English and Polish at B2 level Bonus points for knowledge of Kubernetes, Azure, Redis, Grafana, Prometheus, MongoDB, PKI, cryptography, multi-tier system architecture, and load balancing. What we offer: Competitive pay between 110 and 130 PLN/h net (B2B) or an employment contract Highly flexible hybrid work model with just 2 days/month in Łódź office Great opportunity to grow your skills and take ownership of projects Stable long-term cooperation