Senior Full-Stack Engineer
Wolt - English20 hours ago
Helsinki, FinlandSenior
Responsibilities
- Lead project-level Case Management initiatives from discovery and design through rollout, measurement, and operational ownership.
- Build scalable backend services and React-based internal tools for support operators and administrators.
- Design case-management capabilities including creation, routing, assignment, transfers, audit history, notes, attachments, and queue workflows.
- Deliver feature parity with legacy platforms and safely migrate traffic across DoorDash, Wolt, and Deliveroo.
- Make technical decisions, write design documents, identify dependencies and risks, and create parallelizable delivery plans.
- Partner with Product, Operations, Support, Data, and engineering teams to define customer problems and improve the roadmap.
- Improve engineering quality through design reviews, observability, testing, incident response, documentation, and reusable patterns.
- Mentor engineers through code reviews, technical guidance, and constructive feedback.
Requirements
- Strong full-stack engineering experience with production React and TypeScript experience.
- Strong backend engineering experience designing and operating backend services, APIs, asynchronous workflows, and data models at meaningful scale.
- Demonstrated ownership of complex customer-facing or operations-critical projects from technical design through production rollout.
- Hands-on experience using AI development tools to improve productivity while validating generated output for correctness, security, privacy, maintainability, and reliability.
- Strong product judgment and ability to translate ambiguous workflows and user needs into maintainable technical solutions.
- Ability to collaborate across functions, drive alignment, and communicate trade-offs to technical and non-technical stakeholders.
- Strong software-engineering practices including testing, code review, observability, incident response, security, and operational readiness.
- Comfort working on systems with high correctness and auditability requirements.
- Proactive mentoring mindset and willingness to improve team-wide engineering standards.
- Go experience is preferred, as are experience with legacy migrations, gradual rollouts, traffic shadowing, feature-parity programs, internal tools, and high-volume, multi-region, or multi-tenant systems.
Tech Stack
Categories
About Wolt - English
Wolt builds a local commerce and on-demand delivery marketplace that connects consumers with restaurants, grocery stores, and other nearby retailers, powered by its courier network and merchant tools. Founded in 2014 and headquartered in Helsinki, it joined DoorDash in 2022 and operates in 500+ cities across roughly 30 countries. The business generates revenue through merchant commissions and delivery fees.