Senior Software Platform Engineer

Do you want to join the technological revolution Tendium is looking for a Senior Software Engineer to join the team.

Tendium is the global pioneer in AI-driven public tender management transforming how companies discover analyze and win government contracts. Our platform turns complex processes into something simple and transparent empowering businesses to compete fairly for billions in public sector opportunities. Weve been building our AI-native platform since 2018 leveraging a vast data moat agentic AI and tens of thousands of hours of R&D. Today we serve large numbers of customers across Europe and are rapidly scaling.

If you want to know more about our culture and what you can expect when working at Tendium you can read more about it here.

Our Platform team has a broad and exciting ownership. As a member of our Platform team you will build foundational services that all our features need security and developer experience as well as being in the forefront of AI development. You will make sure that we have the AI tooling we need to build with both speed and quality and that our platform is secure and easy to monitor and work with. This is a role where you will spend time on building our product and internal tools as well as building SRE guidelines and best practices cross-team. The whole tech organisation consists of approximately 20 engineers split into different teams where everyone knows each other.

Microservice Architecture.

AWS based infrastructure: Fargate Lambda SQS EventBridge GraphQL OpenAPI

Databases and Querying: DocumentDB (MongoDB) MySQL S3Tables (Iceberg) OpenSearch Athena

Languages: Python TypeScript

Infrastructure and platform: CDK Github Actions

Observability and tooling: CloudWatch Aikido PostHog

AI Tooling: Claude Code Internal MCP Server

Infrastructure and platform: Hands-on experience with AWS (or equivalent cloud). Containerization (Docker) Infrastructure as Code (CDK or Terraform) and CI/CD pipeline design and maintenance (GitHub Actions).

API design and development: Hands-on experience designing and maintaining APIs including REST (OpenAPI) and GraphQL with a focus on consistency versioning and developer experience.

Software engineering: Strong proficiency in Python (or similar) including writing robust testable and maintainable code; familiarity with async programming patterns.

Architecture: Creating systems that scale both in performance and maintenance.

AI Tooling: Integrates AI tooling effectively into daily workflows. Is actively trying new tooling and following new trends in the AI space.

Collaboration and communication: You enjoy collaborating both with your nearest team and with other teams. You are comfortable sharing knowledge and best practices.

Site reliability and operations: Experience defining and tracking SLOs/SLIs in large scale systems.

Cloud microservices: Hands-on experience building and maintaining microservice architectures using AWS services such as SQS Lambda Fargate/ECS (or close equivalents in another cloud).

Location: Based in Stockholm within commuting distance from our office in central Stockholm.

Please note: We are currently unable to sponsor visa applications. Therefore applicants must already have the legal right to work in Sweden.

We review applications on a rolling basis and will close the vacancy as soon as the position has been filled. Applications are accepted exclusively through Teamtailor.

For more information about what to expect please read about our recruitment process here.

To make this process even more efficient feel free to sign in to your Connect profile and add your references at any stage.

Ready to make an impact and grow with us Wed love to hear from you!

Equality and inclusion statement

At Tendium we dont just value diversity we celebrate it. Were building a workplace where everyone feels that they belong where your voice is heard and your experiences are respected. Different perspectives fuel our creativity and drive innovation and were always looking for people who can bring something new to the team. Whoever you are wherever youre from wed love to hear from you. Lets shape the future together.