International product & tech driven scale-up with a long business track record is looking to expand. Do you want to work on a complex and unique international auctioning platform as Kotlin engineer on the backend while working with state-of-the-art solutions.
As a senior backend engineer, you will be responsible for developing, owning and maintaining microservices for our auction platform. In this role, you will build, optimize, and maintain critical backend services that supports our online auctioning platform. Through a blend of strategic problem-solving and hands-on coding, you'll contribute to positioning TBAuctions and its brands as leaders in the online auction industry.
You'll work closely with cross-functional teams across multiple locations, contributing to platform-wide technical decisions while growing your expertise in functional programming with Kotlin, cloud-native development and distributed systems.
Architect, develop, and maintain Kotlin-based microservices handling inventory management, auction listings, bids, payments and financial operations
Write clean, testable code following functional programming principles
Convert business requirements into high quality functionality in the platform
Work with Azure SQL, Redis and CosmosDB databases, optimising queries and data models for performance and reliability
Contribute to event-driven architectures that power our real-time auction platform
Build and deploy services within our Azure cloud-native infrastructure
Develop and maintain CI/CD pipelines using Azure DevOps and Argo
Implement observability and monitoring solutions to ensure system health and performance, using Prometheus, Loki & Grafana
Work with containerised applications and Kubernetes deployments, using AKS
Collaborate with local and international teams to deliver high-quality, scalable solutions
Participate in architectural discussions and contribute to platform-level patterns
Partner with the product managers, designers, senior engineers and architects to turn business needs into technical solutions
Share knowledge and support continuous improvement within the team
Strong JVM proficiency with Kotlin with minimum 6 years in server-side development
Experience with microservices, and event-driven architectures
Solid understanding of cloud-native architecture principles, with hands-on Azure experience preferred
Familiarity with CI/CD practices and tooling (Azure DevOps preferred)
Experience with relational databases (Azure SQL)
Interest to work in functional programming paradigms (Arrow)
Exposure to containers, Kubernetes, and Infrastructure-as-Code concepts (Terraform)
Experience with performance analysis and tuning, from databases to network calls & resource management
An understanding of cost management of resources in a cloud environment
Solid understanding of security principles and data privacy
Solid understanding of architecture patterns in a distributed system
A self-starter who doesn't wait to be told what to do, you spot opportunities and act on them
A genuine team player who believes the best work happens together
A pragmatic, outcome-driven approach to problem-solving
Naturally curious with a growth mindset, you're always looking to learn something new
Generous with your knowledge and ready to help colleagues succeed
Pragmatic and able to make tradeoffs in a complex situation
Thinks ahead, having a 2 week, 2 month and 1 year view of the future
Experience with observability tooling (Prometheus, Grafana)
Experience with non-relational databases (Redis, CosmosDB)
Experience working as part of an agile team (Scrum)
Experience with Arrow or similar functional frameworks or functional languages (e.g Scala)
Understanding of distributed systems patterns and challenges
Exposure to Infrastructure-as-Code (Terraform)
Experience mentoring other developers
Advanced security principles skills
Advanced performance testing and optimisation skills
Independent and varied role within an entrepreneurial and innovative organization
Competitive salary of € 85.000 - 90.000 per year
Good pension scheme
Bonus scheme (up to 1 gross monthly salary per year)
25 vacation days
Laptop and iPhone
Training opportunities
Hybrid flexible work options
A professional team where hard work is combined with humor ✨
TBAuctions (TBA) is Europe’s leading online auction platform for B2B used industrial equipment with over 1,200 team members across the Nordics, Benelux +UK, and Continental Europe. We believe that Everything Has Value. With our proprietary intelligent auctioning platform, we make the process of buying and selling more effective and efficient by using technology, automation, and economies of scale. TBA’s digital auctions make this happen by creating a cross border platform that offers a perfect match between demand and supply of used business goods. Together with our brands (Auksjonen, Auktionshuset dab, British Medical Auctions, HT Auctions & Valuations, Klaravik, PS Auction, Surplex, Troostwijk Auctions, and Vavato), TBA brings sustainable trade to a higher level. Sourcing locally and selling globally, millions of products are auctioned every year.
Our vision is to be the first and most trusted choice to buy and sell used business assets, maximizing their lifespan and value; accelerating the circular economy. We are passionate about making digital auctioning the best option to create value for B2B sellers and buyers. We seamlessly connect close, easy, and fast sourcing with global demand by multiplying the power of our people, technology, and data. In doing so, we will build a profitable business, reward and develop our people, and extend the lifecycle of assets to reduce waste and emissions.
We are building a better future, come join us!
