Golang / Go Job: Senior Software Engineer โ€“ Database Optimizer

Cast AI

Senior Software Engineer โ€“ Database Optimizer at Cast AI

Remote โ€บ ๐Ÿ‡ช๐Ÿ‡บ 100% remote position (in European timezone)
  (Posted Sep 23 2025)

Please mention that you found the job at Golangprojects.com

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Salary
78000 - 108000 EUR

Job description
About the role

Cast AI is seeking a skilled senior software engineer with deep expertise in databases. Itโ€™s more about understanding database underlying technology than just knowing how to use it.
Knowing the implementation details on transactions, wire protocol, WAL, indexes and many other fundamental database features enables us to build a product around it. The candidate will be able to work on a greenfield project with a high impact on the outcome.

Requirements:
Strong knowledge in one of the following databases: PostgreSQL, MySQL
Experience as a Database Administrator or in a role with significant hands-on work with databases
Strong programming skills in Go and/or C++
Strong problem-solving skills and the ability to troubleshoot complex issues in a production environment
Experience working with and developing performant and robust caching would be an advantage
Strong written and verbal communication skills in English
Ability to work independently and collaboratively within a team
Startup mindset: adaptable, proactive, and comfortable with ambiguity
A proactive, problem-solving mindset with a โ€œyes we canโ€ attitude.

Here are some of the tools we use daily:
Mostly Golang with C++ in the most critical data pathways
Extending Envoy with custom network filters
ClickHouse and PostgreSQL for business metrics
GRPC and REST APIs
GitLab CI with ArgoCD as our GitOps CD engine
Prometheus, Grafana, Loki, and Tempo for observability
Deployment charts are written in Helm.

Whatโ€™s in it for you?
Competitive salary (โ‚ฌ6,500 โ€“ โ‚ฌ9,000 gross, depending on the level of experience)
Enjoy a flexible, remote-first global environment.
Collaborate with a global team of cloud experts and innovators, passionate about pushing the boundaries of Kubernetes technology.
Enjoy a flexible, remote-first global environment.
Equity options.
Private health insurance.
Get quick feedback with a fast-paced workflow. Most feature projects are completed in 1 to 4 weeks.
Spend 10% of your work time on personal projects or self-improvement.
Learning budget for professional and personal development โ€“ including access to international conferences and courses that elevate your skills.
Annual hackathon to spark new ideas and strengthen team bonds.
Team-building budget and company events to connect with your colleagues.
Equipment budget to ensure you have everything you need.
Extra days off to help maintain a healthy work-life balance.

Please mention that you found the job at Golangprojects.com

Apply now!  
 

Company: Cast AI

Cast AI
job info / career page
Linkedin profile
Location: ๐Ÿ‡ช๐Ÿ‡บ EU Remote, 100% Remote

Map of Europe

Skills wanted, in addition to Golang:
ai envoy go golang grpc
kubernetes mysql postgresql spark

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