We’re a global team of over 400 people, working together to push the boundaries of open-source technology and multi-cloud solutions. Our vision is to become the trusted Data & AI Platform for everyone, leveraging the most popular open-source technologies like Apache Kafka®, Aiven for PostgreSQL®, Aiven for Clickhouse®, and Aiven for OpenSearch®. to help companies accelerate time-to-market, drive efficiency, and build innovative solutions across any cloud. Right now, we’re looking for a Billing and AR Specialist Trainee to join our team who shares our passion for forward-thinking and innovative approaches. 

Who we are

So, how do we become the trusted open source data platform for everyone? By listening closely to our customers and taking action to ensure they achieve their business goals. You see, the software we create is merely a means of delivering value. Our thinking is customer-first. That’s why our customers are at the front and center of all we do. And in the spirit of sideways thinking, we’re by their side as well. Actively helping them solve their challenges. Collaborating. Sharing. And innovating. In other words, it really isn’t just about who we are. It’s about who our customers are – and where they want to be.

Our Crabby Principles

Aiveners use the V2MOM framework to set and align on business goals. In order to achieve those business goals we live by our ‘Crabby Principles’ which unite us in our ways of working, globally. 

These principles are embedded in our business processes and support us in collaborating and role modelling positive and productive behaviours in our daily work, something you will have the opportunity to demonstrate throughout your interview journey with us. 

The Role

Are you a detail-oriented individual with a positive attitude and a passion for finance? Aiven has a fixed-term Billing and AR Specialist Trainee position available for someone with these qualities! The position is based in the Helsinki office with an expectation to visit the office at least 3 days a week. Join our dynamic team and gain valuable hands-on experience in billing and accounts receivable while contributing to our company's growth. The employment will start at the end of June 2025 and is fixed-term for 8 months. 

What You'll Do:

 As a Billing and AR Specialist Trainee, you will be responsible for tasks including:

• Processing and reconciling bank statements


• Responding to customer inquiries


• Implementing customer contracts into our billing system


• Supporting business in billing and payment related activities


• Participating in month-end closing activities

What We're Looking For:

We are looking for candidates with the following qualities:

• Positive and can-do attitude


• Good team working skills


• Attention to detail and accuracy


• Customer service skills


• Organization and time management


• Communication skills


• Problem-solving skills


• Fluent written and spoken English (Finnish is a plus, but not mandatory)


• Familiarity with accounting software or ERP systems (NetSuite is a plus)


• Basic accounting understanding

Our Offer

If you ask us what’s the best thing about working for Aiven, many will probably say it’s the high concentration of talent from around the world that we have here. Enjoy the agile environment of a hyperscale scale-up where you can truly make an impact and have fun while at it.

We invest in you

• With Aiven locations spanning the globe, we want all of our crabs to find the right balance with our hybrid work policy.


• Get the equipment you need to set yourself up for success.

What else?

• Love breakfast? So do we! Join us at our weekly office breakfast

Amazing! What’s next?

Please send your CV and cover letter through our career website. The application time ends at 12.5.2025. We will start processing the applications already during the application period and the position is filled as soon as a suitable candidate is found.

How to Recognise and Avoid Employment Scams

There has been a rise in fake job postings used by scammers to get personal information. Please familiarise yourself with the red flags of a potential scam.

Here at Aiven, all of our emails relating to recruitment come from an @aiven.io, @greenhouse.io or @eu.greenhouse.io domain and all of our interviews are conducted over video call or in person, our interviews will never occur over text or chat. If you’re unsure of the legitimacy of a job opportunity/offer pertaining to Aiven, please don’t hesitate to reach out to us at [email protected].

Equal Opportunities

Aiven provides equal employment opportunities to all qualified employees and applicants for employment without regard to age, gender identity, national or ethnic origin, religion, sexual orientation, physical and mental ability, marital and family status or without regard to any other similar personal attributes. Aiven complies with applicable local laws governing non-discrimination in employment in every location in which the company operates. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, transfer, leaves of absence, compensation, training and any other terms and conditions related to employment.

At Aiven we are committed to providing reasonable accommodations for qualified individuals with disabilities or special needs in our working environment and job application procedures. We make all reasonable accommodations for persons with disabilities or who otherwise need support to thrive in the workplace. We are committed to continuously improving workplace accessibility. There is an option to request a discussion in the application process but if you have any questions before applying please write to us at [email protected].