Site Reliability Engineer, Data Infrastructure

As Site Reliability Engineer, you will be responsible for the reliability, scalability, observability, and operational excellence of Vinted’s ML Platform services including SLOs/alerting, incident response, capacity planning, automation, and on-call for critical services such as the Vinted Feature Store. You’ll join the ML Platform team, which owns the tooling for ML/LLM development, deployment and other platform capabilities that increase ML/AI delivery speed at Vinted. You will be working closely with ML platform users, Data Infrastructure and Production Engineering teams.

Here are some of the technologies we use: Kubernetes, Terraform, Chef, Google Cloud Platform, Go, Kafka, Vespa, Redis, Vitess.

• Work with MLOps engineers to deliver deployment solutions that enable Data Scientists to seamlessly deploy any ML model to production.
• Monitor and improve the Vinted Feature Store to reliably support 240k feature-read RPS while meeting SLOs.
• Participate in deploying and maintaining self-hosted Langfuse for LLM evaluation and observability (upgrades, automation, security hardening).
• Contribute to reliability work for ML Platform services (SLOs, alerting, runbooks, postmortems, toil reduction) in collaboration with the team.
• Build up observability and operational tooling for model deployment and platform services.
• Assist with integrating deployment workflows with automated experimentation (A/B, shadow).
• Communicate with stakeholders about incidents, planned changes, risks, and reliability trade-offs.

• Have a solid programming background, ideally in Go (though experience in other languages is also welcome).
• Have a solid understanding of Linux operating systems.
• Have experience in parts of our technology stack or have worked with similar tools and platforms.
• Excellent written and spoken English.
• You’re curious, motivated to grow, and eager to deepen your expertise in the concepts and technologies we use.
• Advantage: experience with GPUs and ML/LLM platforms (Vertex AI, feature stores, model deployment).

• The opportunity to benefit from our share options programme
• 25 working days of holiday
• Access to all the tools & tech needed for work
• Home office support: we provide IT workstation equipment and a personal budget of up to €540 for home workplace furniture
• Private health insurance
• Mental and emotional health support through the Mindletic app
• Frequent team-building events
• A personal monthly budget for shopping on Vinted
• The opportunity to spend up to 90 days per year - 21 of which can be spent working outside of the EU - on workation
• A dog-friendly office
• In Vilnius office: Gym & in-house meals at friendly prices
• In Kaunas office: a monthly lunch allowance, and a once-a-week provided in-house lunch and breakfast

Individual Learning Budget

We invest in your professional growth! As part of our commitment to continuous learning, we offer an annual learning budget to support your personal and career development through courses, certifications, workshops and more.

Hybrid Work

We’ve adopted a hybrid workplace model where 2 days in the office are recommended but not enforced. It’s up to you and your team to decide on the exact days you’ll spend working together in person.

Equal Opportunity

The Vinted Group is committed to building an inclusive workplace where people from all walks of life feel a sense of belonging. We welcome applications from people of all backgrounds, identities and life experiences. At Vinted, all applicants are treated fairly without regard to their race, age, religion or belief, sex, national origin, citizenship, gender identity, sexual orientation, disability, or any other protected characteristic.

The salary range for this position is € 3,625 - € 4,908 gross per month.