Senior Backend Engineer Trust & Safety

Location: Kaunas, Lithuania

Department: Greenhouse Requisitions

Information about the position 

The Trust Domain safeguards members from critical safety threats by building world-class safety tools and ensuring a secure experience on the Vinted Marketplace. It does so by detecting and restricting harmful activities. The domain consists of several teams focused on detection and actioning, enabling accurate identification and swift response to safety risks.

We’re looking for a Backend Engineer to strengthen the detection capability. You will be joining the Detection Product team, with a mission to protect the Vinted community from harmful activities and content.

Take a look at engineering.vinted.com to see what we’re up to.

Here are some of the technologies we use:

• Streaming platforms: Flink, Kafka.
• Programming languages: Go, Scala.
• Datastores: MySQL with Vitess, Redis
• Observability: Grafana, Elastic, Prometheus, OpenTelemetry
• CI/CD: Kubernetes, ArgoCD, Jenkins

In this position, you’ll 

• Work closely with data scientists and product managers to productionise detection logic, ML-driven solutions, and experiments.
• Improve the scalability, latency, and resilience of systems that process large volumes of streaming, behavioural, and risk signals.
• Contribute to experimentation and rollout mechanisms that allow the team to safely test and validate new detection approaches.
• Monitor your deployed code through tools like Kibana and Grafana.
• Apply Agile and Lean principles in your work and collaborate with other developers through GitHub pull requests and code reviews.
• Own SLIs/SLOs in the product team to ensure quality and reliability.
• Be ready to partner across teams to prioritize and deliver results.

About you 

• You have solid backend engineering skills, with experience in Golang, Scala, or Ruby being a significant advantage.
• You are willing to learn and excel at streaming technologies and concepts. Flink, for example.
• You love to improve things, and if you see something that needs improvement, you actively bring it to the table.
• You enjoy working collaboratively in a team, giving and receiving feedback, and helping others grow.
• You are a good communicator who can talk clearly about complicated topics both with business people and engineers.
• You can engage in constructive and healthy conflict, expressing your views openly, while maintaining respect and professionalism towards colleagues.

Work perks

• 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
• Pension plan with flexible contribution options and a matching contribution from Vinted
• Confidential Employee Assistance Program (EAP) for you and your family
• Frequent team-building events
• A personal monthly budget for shopping on Vinted
• 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

Working at Vinted 

Workation policy

Better balance holidays with workdays by working remotely! Up to 90 days per year in the EU, of these, 21 days can be spent globally. For non-EU citizens, it's 21 days worldwide. This can be combined with time off for vacation or personal time.

Individual learning budget

Each year, you’ll be given a learning budget (starting at €3,000), and a total of up to 10 working days over a 2-year period to support your personal and professional development.

Hybrid work

Our hybrid model, with 2 recommended office days a week, gives you and your team the flexibility to decide if and when you want to work from home, and when to catch up in person.

Equal opportunity

We welcome applications from everybody, regardless of your background, identity, or life experiences. Job openings come with guides, not checklists. If you’re excited about a role, but don’t identify with every point in the ‘About you’ section, apply anyway – you might still be the perfect match!