About me

I am a mother of two, I love movement and mountains, and I care about things that work in practice — not only in slide decks. After almost nine years at GitLab, I left to work directly with the people I build for. I have fifteen years of production software experience. Today I do two things: I build custom web and mobile applications end to end for companies that need a product but do not have a dev team, and I embed as a senior contractor into existing dev teams that need more senior firepower than they have on payroll. When integrations, AI, or smaller automations are the right answer instead, I do those too. The common thread: I write code, I ship it, and I stay around when something needs adjusting.

Jarka Košanová
GitLab (9 years)

Backend development (API, GraphQL, integrations)

At GitLab, I worked mainly on backend systems: APIs, GraphQL, and integrations. On larger initiatives, I led development end to end: I designed solutions, set technical direction, broke the work into smaller steps, and delivered it to production. I built production integrations (including Salesforce) and also worked on features that help GitLab teams plan and track work.

Olery (1 year)

Hotel booking system integrations

I developed integrations that imported data from several hotel reservation systems into the product. I worked with different APIs and data formats, developed frontend components, and was responsible for deployment and monitoring.

Numbrs - Fintech (4 years)

Aggregation and categorization of bank transactions

I worked on an application that pulled transactions from all user bank accounts and categorized them automatically. This included banking integrations across different APIs (Ruby/Java/Go), work on automatic categorization algorithms, and frontend work as well.

Intraworlds (3 years)

University portal development

Development of a portal for universities (alumni network) and large companies (talent discovery and recruitment use cases).

References

Konstantinos Aravanis (Numbrs)

Konstantinos Aravanis (Numbrs)

„Jarka really stood out for her focus and her ability to consistently deliver high-quality work on time. She has a very pragmatic, no-nonsense approach. She takes ownership and just gets things done, without unnecessary discussion or overhead.“

Translation: „Jarka really stood out for her focus and her ability to consistently deliver high-quality work on time. She has a very pragmatic, straightforward approach with no unnecessary overhead. She takes ownership and gets things done without pointless debate or process friction.“

Imre Farkas (GitLab)

Imre Farkas (GitLab)

„By working in multiple teams, Jarka developed an incredibly deep understanding of the system's overall complexity. She used this knowledge to break down and solve our hardest technical problems. She took on complex initiatives and confidently drove them to the finish line. She also raised the quality bar for everyone involved while still keeping the work practical and shippable.“

Translation: „By working across multiple teams, Jarka built exceptionally deep understanding of the overall system complexity. She used this knowledge to break down and solve our hardest technical problems. She took on complex initiatives and drove them confidently to completion. At the same time, she raised the quality bar for everyone involved while keeping the work practical and ready to ship.“

Matthew Macfarlane (GitLab)

Matthew Macfarlane (GitLab)

„Jarka is an excellent collaborator, engineer, leader, and person. It was a joy to work with her at GitLab. She's a true asset to any organization and has the technical capacity and willpower to drive any project forward successfully.“

Translation: „Jarka is an excellent collaborator, engineer, leader, and person. It was a joy to work with her at GitLab. She is a real asset to any organization and has both the technical ability and determination to move any project forward successfully.“

Jarka Košanová

Contact

Do you have a problem and no clear technical solution yet? Get in touch. I will find the simplest workable path with you, and you can book a no-obligation consultation right away.