Senior Java Backend Engineer (m/f/d)
Senior Java Backend Engineer (m/f/d)
Posted on :
12-05-2025
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1 Vacancy
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Job Description
Purchasing 4.0: Fully Digitized & Networked
Does working in a fastmoving agile team that builds a fast great looking data analytics tool seem like fun We want more team members!
Who are we
Onventis Analytics (formerly Spendency) is the Nordic regions leading SaaS service in spend analysis. We help our customers take advantage of the latest technology to take control of their spend and work to both reduce costs and improve the sustainability of their purchases. Onventis Analytics now has over 400 customers including many of Sweden and Germanys largest and most demanding organisations.
We are a relatively small team but are now entering a phase of accelerating expansion at Onventis and therefore need to employ driven people who can grow together with the product and be ready to take responsibility in our continued growth journey.
We deliver a hightech solution but our culture and our way of working is based on putting people in focus. Through trust commitment and helpfulness we all work actively to be an organization where everyone is given the best opportunity to be challenged and grow. We are very excited about the work we do the customers we help and the opportunities we see ahead of us and we look forward to bringing more people with us on our continued journey.
Who is in the team
The team has a long history of working with agile. You will enter a welloiled machine where both processes and tools work so you can devote yourself to building new fun code and not fight to make things work.
We like to bring in new technology and learning from each other is the best thing we know. We work in short sprints so what you build will immediately get into the hands of users who really appreciate what we do. Of course we work with CI and Devops so going from code to production is a matter of minutes.
We want you to grow in this role. You will have freedom to use new tech and to design and figure out solutions yourself. When you work together with the team when you take responsibility for a story everybody notices that things start to happen immediately. We want you to grow into a key player in the team.
We think its fun to go to work every day and we think you will too!
Who are we
Onventis Analytics (formerly Spendency) is the Nordic regions leading SaaS service in spend analysis. We help our customers take advantage of the latest technology to take control of their spend and work to both reduce costs and improve the sustainability of their purchases. Onventis Analytics now has over 400 customers including many of Sweden and Germanys largest and most demanding organisations.
We are a relatively small team but are now entering a phase of accelerating expansion at Onventis and therefore need to employ driven people who can grow together with the product and be ready to take responsibility in our continued growth journey.
We deliver a hightech solution but our culture and our way of working is based on putting people in focus. Through trust commitment and helpfulness we all work actively to be an organization where everyone is given the best opportunity to be challenged and grow. We are very excited about the work we do the customers we help and the opportunities we see ahead of us and we look forward to bringing more people with us on our continued journey.
Who is in the team
The team has a long history of working with agile. You will enter a welloiled machine where both processes and tools work so you can devote yourself to building new fun code and not fight to make things work.
We like to bring in new technology and learning from each other is the best thing we know. We work in short sprints so what you build will immediately get into the hands of users who really appreciate what we do. Of course we work with CI and Devops so going from code to production is a matter of minutes.
We want you to grow in this role. You will have freedom to use new tech and to design and figure out solutions yourself. When you work together with the team when you take responsibility for a story everybody notices that things start to happen immediately. We want you to grow into a key player in the team.
We think its fun to go to work every day and we think you will too!
Your Mission
We think you are a senior engineer who can think end to end about a user story. Thinking about customers needs and looking out for possibilities to improve our own tech comes natural.
You like cloud andespecially AWS. When its time to use a new service or perhaps automatesomething your attitude is that you can fix this easily and then you build apython script a Cloud Formation template or why not a terraform configurationso that its done properly.
You think andstructure code in clear and distinct layers. You know threetier architecturesince forever and you probably think primarily of hexagonal/clean architecturewhen you build new software.
In a system likeOnventis Analytics where we handle many hundreds of millions of objects inmemory you think about both time and space complexity. You know how touse specialized collections e.g. primitive collections from Eclipse orPCollections for immutable data. You have a good understanding of how garbagecollection works in Java and how to work smart to minimize the impact of GC.
You are veryfamiliar with the Spring Framework. Setting up Spring Security with JWT tokensis probably a nobrainer for you as is configuring annotations for rolebasedsecurity.
Experience withcolumnbased databases or frameworks such as Apache Parquet or Arrow orcolumnbased databases like DuckDB or Cassandra is a clear advantage.
You like cloud andespecially AWS. When its time to use a new service or perhaps automatesomething your attitude is that you can fix this easily and then you build apython script a Cloud Formation template or why not a terraform configurationso that its done properly.
You think andstructure code in clear and distinct layers. You know threetier architecturesince forever and you probably think primarily of hexagonal/clean architecturewhen you build new software.
In a system likeOnventis Analytics where we handle many hundreds of millions of objects inmemory you think about both time and space complexity. You know how touse specialized collections e.g. primitive collections from Eclipse orPCollections for immutable data. You have a good understanding of how garbagecollection works in Java and how to work smart to minimize the impact of GC.
You are veryfamiliar with the Spring Framework. Setting up Spring Security with JWT tokensis probably a nobrainer for you as is configuring annotations for rolebasedsecurity.
Experience withcolumnbased databases or frameworks such as Apache Parquet or Arrow orcolumnbased databases like DuckDB or Cassandra is a clear advantage.
Your job
Whattechnologies you will face
- Java (latest release typically)
- Spring Boot & Spring Security
- SQL for analytics
- DDD CQRS and Clean Architecture
- AWS
- Docker
- REST APIs
- JavaScript with React/Redux
- Several SQL and NoSQL databases
- Kotlin
- Event Sourcing
- Azure
Join Us!
If youre ready to take on exciting challenges and grow within a supportive and dynamic team wed love to hear from you!
About us
We work every day to make global procurement simple secure and connected with cloud services. At Onventis we are driven by a common goal: to provide the best digital network for buyers and suppliers. We are a software pioneer that makes online procurement possible for companies. In addition to digital technology this requires great ideas for the procurement management of tomorrow. Who makes them a reality The Onventis team from Research & Development IT Product Management Consulting & Services Support Sales Marketing and Finance & Administration makes purchasing fit for the future for our internationally active customers such as Conrad Federal Mogule Khne & Nagel Schott and Steigenberger every day. Expressed in figures: From 6 locations Stuttgart Dsseldorf The Hague Stockholm Paris and Vienna around 190 colleagues ensure every day that around12 millionusers process an annual business volume of 20 billion euros and more via the Onventis platform. The flat hierarchies the broad scope for creativity and our interlinked teams create the space for innovation and personal development. Show us that you are a digital talent and make the Onventis success story yours.
Required Experience:
Senior IC
Employment Type
Full-Time
Key Skills
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