Senior Backend Engineer at Ocadogroup

Senior Backend Software Engineer | Mobile Fulfilment | Hybrid Working | Sofia Who are We The Mobile Fulfilment Systems department at Ocado is at the forefront of developing cutting-edge automation solutions for both in-store and warehouse online order fulfilment. We leverage distributed backend systems, intuitive mobile applications, and advanced autonomous mobile robots to enable fast, scalable, and cost-effective order collection. As part of our Mobile Fulfilment Systems department, we at In-Store Fulfilment (ISF) design and develop distributed cloud-based systems, PWA mobile applications, and web technologies to automate the fulfilment of online customer orders at scale. What is ISF In-Store Fulfilment is an end-to-end cloud-based solution that enables stores to rapidly and efficiently fulfil customer orders - enhancing the shopping experience while reducing operational costs. We are operating in over 1,000 stores, spread across 4 continents and 11 countries. More than 300,000 customer orders go through our system weekly. As a Senior Software Engineer in our Backend team, you will: • Design, build, and maintain large-scale, high-availability distributed systems • Lead technical initiatives from start to end, fully owning the planning, coordination, design and execution process from discovery to release. • Constantly ensure solutions meet quality standards by utilizing best practices in testing, code quality, monitoring, and alerting. • Contribute to the long-term architectural and product vision. • Use AI tools, like Claude Code, Gemini, GitHub Copilot, to improve how we build, operate and deliver value. • Participate in all stages of the software development life cycle as part of a team following agile practices. • Continuously and proactively improve our processes, ways of working, and tools. • Work directly with the business and product partners to understand and translate new system requirements into engineering solutions. • Participate in our on-call rotation to support our production services. • Coach and train new and existing team members in their growth. We will be looking for: • Experience building and maintaining backend systems in Java or Scala for high-availability, large-scale production systems • Excellent knowledge of software engineering best practices and processes. • Hands-on knowledge of system resilience patterns and approaches. • Experience with Cloud-based infrastructure and managed services (AWS and/or GCP). We use SQS/SNS, DynamoDB, S3, Kinesis, etc. • Experience of successfully leading multiple technical initiatives (from discovery and design to implementation and release). • Demonstrated ability to propose technical solutions to project blockers and have a history of adopting new languages or frameworks to solve problems • Curiosity and enthusiasm to learn new technologies and the ability to evaluate alternatives, make tradeoffs, and articulate decisions. • Knowledge of or willingness to learn functional programming practices. • A product- and customer-focused mindset - the technology we use is a tool to deliver the best value for our customers. • Ability to effectively facilitate discussions, document decisions in a well-structured way. • Ability to present technical roadmaps directly to C-level stakeholders. Bonus points for hands-on experience in: • Experience in JVM languages • Modelling complex domains and applying Domain-Driven Design practices. • Modern Scala libraries from the Typelevel or ZIO ecosystems. • DevOps (CI/CD pipelines, Infrastructure as Code, observability tools, resource management). • NoSQL DBs (e.g., DynamoDB, Apache Cassandra, MongoDB). • Data Analytics solutions (GC Looker, Big Query, etc.). In return we can offer you ... • Hybrid office attendance policy that sees you onsite 40% of your time • 30 days of “Work from anywhere” program • 30 days of annual leave • Share plan program • 150 EUR additional monthly allowance • Enhanced maternity and paternity leave policy • Medical plan including health & dental coverage • Life and disability insurance • Employee assistance program We also have regular divisional socials, sports clubs, not to mention the Ocado Technology Academy for a packed schedule of courses, conferences and events. If you think you have what it takes to make a difference, please submit your application below. #LI-HYBRID #LI-OT #LI-JT1