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Senior Full-Stack Engineer (Apps)

Aiven36

Helsinki, Finland (Finland) Hybrid permanent

Posted: January 21, 2026

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Quick Summary

We're looking for a senior full-stack engineer to work on a new product area of hosting applications in Helsinki, Finland.

Job Description

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 help developers, builders, and creators bring their ideas to life with speed and simplicity, by providing a cloud data platform that makes open-source databases, search, streaming, and application infrastructure easily accessible to everyone.

The Role:

We are hiring for a senior full-stack engineer to work on a new product area of hosting applications. Our goal is to enable users to build complete solutions in Aiven that encompass data and application runtime.

We are looking for product-minded engineers who have a keen interest in the business and user behavior, are proactive with product development ideas and tradeoffs, and want to understand the “Why?” behind all things. As a product-minded engineer you communicate well with engineers and non-engineers alike and are interested in how other functions work.

As we are looking for a senior engineer, we expect you to raise the bar for the team through technical mentorship. We’d love you to show us how we can improve what we do. Our teams are proud of what we build and value curiosity, healthy debate, and exchange of ideas.

What You'll Do:

Here are some example areas you may work on:

• Iterating on the Console UX for creating and managing applications

• Owning the end-to-end implementation and maintenance of new features

• Designing and implementing new RESTful APIs or improving the performance and capabilities of existing ones.

• Making sure our technical foundation stays in shape by highlighting needed technical improvements.

What We’re Looking For:

Our frontend is built with TypeScript, React and Redux, and our backend centers on Python and PostgreSQL. As such, to succeed in the role you have:

• Experience planning and leading the implementation of a feature

• Experience building web-facing applications end-to-end, including everything between the browser and the database

• Proficiency in TypeScript and experience in Python, or proven ability to learn new programming languages

• Experience working with relational databases

• Fluent communication skills in English, written and verbal

Amazing! What’s next:

If you think Aiven is the place for you and that our Values align with yours, send us your resume and we’ll get in touch!

Global Benefits:

Our global benefits are designed to help you thrive and grow, personally and professionally:

• Participate in Aiven’s equity plan.

• Balance work and life with our hybrid work policy.

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

• Use your Professional Development Plan budget for learning opportunities.

• Receive holistic wellbeing support through our global Employee Assistance Program.

• Inquire about our Global Time Off Commitment (Parental and Sick Leave, as well as Personal Time)

• Enjoy country-specific benefits for our global cast.

How to Recognize and Avoid Employment Scams:

There has been a rise in fake job postings used by scammers to get personal information. 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 by video call or in person. Our interviews will never occur via 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].

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