Senior Backend Engineer (Go)

Location: Netherlands. Hybrid work with 2 recommended office days per week; remote workation is available for up to 90 days per year in the EU, including up to 21 days globally, and for non-EU citizens up to 21 days worldwide.

Annual gross salary: €76,800–€104,000, excluding 8% holiday pay.

Company

hirify.global operates a second-hand marketplace connecting members across more than 20 markets, alongside shipping and payment businesses.

What you will do

• Design, implement, maintain, and scale secure, reliable backend systems for content visibility and search.
• Lead system design reviews, challenge technical direction, and ensure maintainable code.
• Build and roll out A/B-tested features for more than 80 million users.
• Own service performance, stability, monitoring, SLIs, SLOs, and participate in the on-call rotation.
• Lead team-level initiatives and collaborate with Search, Recommender relevance, Product, Analytics, and SRE teams.
• Mentor engineers, assess technical feasibility and risks, estimate effort, and contribute to product roadmap decisions.

Requirements

• Extensive backend software engineering experience designing and building scalable, distributed, and highly available systems.
• Strong backend engineering foundation; Go, Kotlin, Ruby, or Python experience is beneficial, with willingness to learn.
• Experience with event streaming platforms such as Kafka or Apache Flink for real-time processing and message queueing.
• Strong understanding of CI/CD pipelines and tools such as Jenkins.
• Experience with observability and monitoring tools such as Grafana and Kibana, including defining SLIs and SLOs.
• Experience with relational and in-memory databases.
• Strong collaboration and communication skills with Product, Analytics, and SRE peers.
• Experience mentoring engineers, giving constructive feedback, and promoting engineering best practices.
• Excellent written and spoken English required.

Nice to have

• Experience with search engines, information retrieval, and ranking optimization technologies such as Vespa, Elasticsearch, or OpenSearch.
• Enthusiasm for AI technologies, daily use of AI tools, and proactive experimentation with AI to improve engineering outcomes.

Culture & Benefits

• Hybrid work model with flexibility to work from home and a workation policy.
• 25 days of paid annual leave, pension plan, lunch allowance, mobility card, and flexible benefits budget.
• Home-office equipment and a personal budget of up to €540 for workplace furniture.
• Learning budget starting at €3,000 and up to 10 working days over two years for development.
• Share options, employee assistance for employees and families, team-building events, and a monthly hirify.global shopping budget.
• Dog-friendly office and equal-opportunity hiring practices.