Principal Full Stack Engineer at Fidelity Labs building world - class end - to - end systems and shaping the future of the fintech industry through innovative products and services.
About the role
- As a Software Engineer at Eskimi, use AI tools to enhance real-time bidding platform development. Collaborate on scalable adtech solutions and modernize legacy systems.
Responsibilities
- Build and ship features on our real-time bidding platform
- Use AI tools hands-on to ship code faster
- Contribute to rewriting and modernising parts of our legacy platform, using AI tooling
- Work across the full stack when needed
- Help shape how the team works with AI day-to-day
Requirements
- 4+ years of backend engineering experience in a compiled, statically-typed language - Java, Kotlin, Go, Rust, C#, or Scala
- Comfortable with distributed systems: consistency trade-offs, failure modes, async processing
- Experience with relational databases and at least one in-memory or NoSQL system (Redis, Aerospike, Cassandra, etc.)
- Shipped things to production and kept them running - monitoring, alerting, on-call mindset
- Working experience with Git, testing strategies, and CI/CD pipelines
- Built and deployed at least one LLM-powered feature in a real product
- Know how to design prompts for reliable, structured output
- Thought about eval strategy: how to know if AI feature is working and how to catch regressions
- Understand the cost/latency/quality trade-offs between models
Benefits
- Flexible work arrangements
- Work Away Days—up to one month of fully remote work each year
- Professional development opportunities: Grow with programs like Leaders Assembly for managers, mentorship programs, regular learning sessions, and access to external consultants
- Internship programs as stepping stones for career starters
- Recognition & rewards: bonus programs and Bonusly
- Additional perks: Private health insurance (location-dependent), volunteer days, and team get-togethers
- Take a day off to celebrate your birthday!
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