June 8, 2026
Cloud & Infrastructure Engineer
Mid • Remote
Warsaw, Poland
Why Billennium?
We are a global technology company providing IT services and digital solutions to clients around the world. Headquartered in Poland, with offices in Canada, Malaysia, Germany, Switzerland and India, we bring together over 1,700 professionals who share one mission -to harness technology and innovation to make the world run better. At the heart of Billennium is our vibrant and people-centric culture, where everyone’s potential matters. We embrace diversity, inclusion, and flexibility, empowering our employees to grow and thrive.
Our values - captured by the acronym TIGER - define who we are and how we work: Trust, Innovation, Growth, Energy, Responsibility – guide us in everything we do.
Role Summary
We are looking for a passionate Cloud & Infrastructure Engineer to join our team. You’ll play a key role in ensuring the stability, automation and development of our hybrid infrastructure — including on‑prem servers, Microsoft cloud services, application support and advanced network environments. You will work end‑to‑end across architecture, engineering and operations, collaborating with cross‑functional teams to deliver secure, scalable and automated solutions.
What you will do:
Maintain, optimize and develop hybrid infrastructure (on‑prem servers, cloud environments, networks and application platforms).
Provide advanced support for key business applications, ensuring stability and efficient operations.
Manage and configure network devices, firewalls and connections in an end‑to‑end model.
Design and implement solutions based on Microsoft Azure PaaS and Microsoft 365 ecosystem.
Automate operational processes using PowerShell and Bash scripting.
Ensure high standards of security and compliance (MFA, Conditional Access, cloud and on‑prem security).
Collaborate with architecture, engineering and operations teams to deliver scalable technical solutions.
Why you?
Basic Qualifications:
Minimum 3+ years of experience in a similar role (infrastructure, cloud, operations or engineering).
Strong experience with Microsoft 365 services: SharePoint Online, Power Apps, Intune, M365 admin portals.
Very good understanding of Microsoft 365 security principles (MFA, Conditional Access).
Practical knowledge of Microsoft Graph, including Graph Explorer.
Very good knowledge of Windows Server (on‑prem) and Microsoft Azure cloud solutions.
Experience in designing applications based on Azure PaaS.
Strong scripting skills in PowerShell (automation end‑to‑end) and basic Bash for Unix environments.
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Experience with Jira.
Nice to have qualifications:
Knowledge of AWS and Google Cloud Platform.
Experience with DevOps practices across full stack (databases, services, code, deployment, monitoring) — ideally in Azure.
Benefits
Professional development – continuous learning opportunities and internal mobility.
Comprehensive benefits – enjoy Udemy for Business and Worksmile platform.
Flexibility – adaptable working hours and remote/hybrid work options.
Global collaboration – work with diverse international teams across continents.
Innovative environment – be part of a forward-thinking, growth-oriented workplace.
Team-building traditions – including our annual company event.
Sounds interesting? Click "Apply" and hear more! 📞
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Senior
Remote
🏢 Summary: Long-term project for a Java Full Stack Developer to design and maintain a regulated clinical platform in the pharma industry, covering both frontend and backend in a cloud-based AWS environment. The role focuses on delivering high-quality, compliant, and secure solutions aligned with medical device regulations. You will work on end-to-end features within a cross-functional team using modern technologies. 🗂️ Requirements: Professional experience in modern software development, Strong knowledge of Java and Spring Boot, Strong knowledge of Angular and TypeScript, Experience with AWS cloud environments, Experience with relational databases, especially PostgreSQL, Experience with messaging or workflow systems, Experience with CI/CD pipelines and automated testing, Experience working with regulated or complex systems, English proficiency at B2 level or higher, Polish proficiency at B2 level or higher 📃 Skills: Java, Spring, SpringBoot, Angular, TypeScript, SCSS, RxJS, NgRx, Nx, Maven, PostgreSQL, Liquibase, ActiveMQ, AWS, S3, Lambda, KMS, Activiti, BPMN, SAML, JWT, Spark, Parquet, Docker, CI/CD, Okta 🏢 Description: More about us Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together! About the Client We are looking for an experienced Java Full Stack Developer who will join a long-term project for our client in pharma industry. What will you do: Design, develop, and maintain frontend and backend components of a regulated clinical platform Implement high-quality, traceable, and design-controlled code in compliance with medical device regulations and quality standards Collaborate with cross-functional teams (product, QA, DevOps, clinical experts) to deliver end-to-end features Ensure system reliability, security, and performance in a cloud-based, multi-tenant AWS environment Contribute to testing, documentation, and continuous improvement of development and deployment processes What we are looking for: Professional experience in modern software development, preferably in complex or regulated systems Strong knowledge of backend development and frontend development Frontend Angular 20, Nx 22, NgRx, TypeScript 5.9, SCSS, RxJS 7, Roche ONE Design System, Okta (SAML SSO), IGV.js, Luxon, ngx-translate Backend Java, Spring Boot, Maven, PostgreSQL, Liquibase, ActiveMQ, AWS S3, AWS Lambda, AWS KMS, Activiti 6 (BPMN), SAML 2.0, JWT, SnpEff, GATK, Apache Parquet, Apache Spark Experience with cloud-based architectures, ideally AWS , and containerized environments Familiarity with relational databases (e.g. PostgreSQL ) and messaging or workflow systems Experience with automated testing, CI/CD pipelines, and code quality tools English and Polish proficiency at B2 level or higher, enabling effective communication in an international environment Perks and benefits: Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers. Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location. Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more. Global collaboration - work with a diverse, international team. Innovative environment - be part of a forward-thinking and growth-oriented workplace. Engaging community – Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work. Team-building events including our company tradition (annual company event in Mazury ). A pleasant surprise to start your journey with us in the form of a welcome pack. Recruitment process: HR call Technical Interview Interview with the dedicated Client Final decision/ Feedback Sounds interesting? Click "Apply" and have a chance to hear more!