Senior Platform Engineer

Salary: 1100 - 1500PLN /day net + vat (B2B) Work model: flexible hybrid (one day on-site per week from our offices Warszawa / Gdynia / Kraków / Rzeszów)   Why choose this offer? Work in an agile and self-sufficient team with autonomy over development Collaborate with an English-speaking, multicultural team The client is one of the European leaders in its field and is building a completely new platform using the latest technologies The Jit community will bring you a nice time during regular integration meetings  Enjoy work-life balance in a company that values flexibility and innovation   Project As an AWS Platform Engineer, you will play a key role in designing, implementing, and maintaining cloud platforms that enable development teams to deliver software efficiently and reliably. You will focus on building scalable, secure, and automated infrastructure, while actively collaborating with developers to ensure platform stability, usability, and performance. Your expertise will help streamline workflows, improve monitoring and logging, and ensure high availability and resilience of cloud-based applications, while also supporting developers in adopting best practices and solving technical challenges. With a dynamic culture built on continuous growth, trust, and collaboration, the client offers an environment where your talents can thrive. You will be part of an international, cross-functional environment, working closely with ambitious and dedicated colleagues who are passionate about what they do.   Key responsibilities Design, implement, and manage scalable AWS infrastructure using IaC tools like Terraform, Terragrunt, CloudFormation, and CDK Develop, optimize, and maintain CI/CD pipelines with GitHub Actions for fast and reliable software delivery Implement security best practices, monitor cloud environments, and ensure compliance with industry standards Set up logging, monitoring, and alerting solutions to maintain platform performance and enable rapid incident response Identify and implement optimizations for cost efficiency, scalability, and performance across services and infrastructure Collaborate closely with development teams, providing guidance, answering questions, and supporting the adoption of best practices Deploy and manage containerized applications using Docker, AWS ECS/EKS, and AWS Lambda Expected competences Hands-on experience managing and optimizing AWS Cloud environments and Platform Engineering Strong proficiency with Terraform, CloudFormation for automating cloud resource provisioning Experience designing and maintaining CI/CD pipelines using GitHub Actions, GitLab CI/CD, AWS CodePipeline, or similar tools Understanding of AWS security best practices and secure SDLC processes Hands-on experience with AWS CloudWatch and AWS networking concepts Experience with Docker, AWS ECS/EKS, and AWS Lambda for containerized application deployment Strong communication skills, able to work directly with developers and cross-functional teams to deliver solutions and resolve platform-related issues Experience working in Agile teams, following DevOps principles, and promoting platform best practices Nice to Have Hands-on experience managing Azure Cloud environments Previous experience as a Software Engineer or in close collaboration with development teams     Technologies you'll work with AWS Cloud (EC2, Lambda, ECS, EKS, CloudWatch) IaC (Terraform, Terragrunt, CloudFormation, CDK) CI/CD Tools Docker Azure (nice to have)   Client – why choose this particular client from the Jit portfolio? Our client is a Scandinavian supplier of software and services for purchasing and tendering processes in highly formalized conditions, such as orders in accordance with public procurement law at the level of the European Union or individual member states. The delivery center is located in Utrecht. Client’s platforms allow to announce tenders and conduct the entire procedure of collecting and evaluating offers at every stage of the purchasing process. They are used both by public administration bodies at various levels in European countries and by purchasing departments of large companies and corporations.   About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts. We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity. By supporting indigenous initiatives, we ensure the circulation of good energy.