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Back End Software Engineer (Hungary)

Oper Credits

Oper Credits

Software Engineering
Budapest, Hungary
Posted on Friday, July 5, 2024

Oper, a European Fintech company, is a leader in cloud-based digital mortgage software. We provide personalized journeys for borrowers and lenders. Oper's technology streamlines the mortgage application process, eliminates paperwork, and increases transparency. Currently collaborating with 16 leading financial institutions across 6 European countries, our digital solutions result in a +27% increase in digital customer conversion, +81% faster mortgage decisions, and a 90% first-time-right. Furthermore, the solution integrates seamlessly with core banking, CRM, and online banking systems, offering a compelling and comprehensive service to borrowers.

A passionate and engaging team of over 45 stellar Fintech operators works vigorously to transform European mortgages by enhancing efficiency and alleviating borrower anxiety. Backed by Bessemer Venture Partners and Motive Ventures, our SaaS platform has raised EUR 14 million, placing Oper at the forefront of revolutionizing mortgages in Europe. Oper currently has offices in Zürich, Switzerland, and Antwerp, Belgium.

As a technology-driven company, we use a modern tech stack including Python, Django, Celery, Angular, NX, NgRx, RxJS, PostgreSQL, Redis, GitLab CI/CD, Terraform, Kubernetes and a range of cloud providers and tools. The whole team is focused on delivering world-class customer experience consistently on each deploy without sacrificing quality.


We are looking for an experienced Back End Software Engineer to join our Engineering team in Hungary, in designing, building & delivering a wide range of features to our platform on each cycle.

  • You will design a scaleable, performant & secure application architecture exposed through a REST API
  • You will build a large scale multi-cloud web application leveraging the latest technologies backed by multiple micro services
  • You will develop and integrate a wide range of functionalities levering existing platforms (Open Banking, Digital Signatures, OCR, predictive analytics,…)
  • You will extend our automated testing and configuration suite
  • You will support and share knowledge with your team members and shape our engineering culture
  • You might integrate our backend with some AI components


What makes you a great fit

We are looking for a software engineer that is passionate about technology and just loves to build new things

  • You have 3 to 5 years total professional experience as a software engineer
  • You have 3 to 5 years web development experience in Python using Django or other frameworks
  • You have excellent oral and written communication skills in English
  • You have experience with packaging & deploying Python applications using DevOps tools like Docker
  • You have experience designing and maintaining SQL and NoSQL data stores (PostgreSQL, Redis, MongoDB, etc…)

Nice to haves

  • You have a Bachelor’s or Master’s degree in Computer Science, Informatics or similar field
  • You have experience with Infrastructure-as-code (Ansible, Terraform, CloudFormation) and configuration management
  • You have experience in cyber security projects
  • You have experience in financial services


We are a young and fast-growing company with a strong ambition to change an old and slow-changing industry. To achieve this, we’re building a stellar team in which you will be challenged tremendously and where you can learn and grow.

You will work with a high level of autonomy. On top of having the freedom to creatively make an impact, you’ll be surrounded by an open team that is motivated to support you along the way.

We like to have a laugh, play games & do sports together. In the Oper international team, you’ll be exposed to a close-knit diverse set of minds, you will have a chance to learn new things and share your knowledge, and meet amazing people and cultures.

There is a lot of room for career path development and a lot of opportunities to travel.

Our hybrid remote setup with offices in Antwerp and Zürich provides us with the flexibility to come together when we want to while catering to every individual lifestyle by allowing remote work.

Our financial offer will be based on the market standards for early employees in a young (Fin)Tech Company (Michael Page / Glassdoor benchmarked) and will include extralegal benefits based on the legal framework of your location.

Inclusive at our core

Oper is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Every application will be considered without attention to race, religion, gender, gender identity, sexual orientation, disability, age, or other applicable statuses.