Senior Full-Stack Engineer

Posted Yesterday
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Helsinki, FIN
In-Office
Senior level
Food
The Role
Own end-to-end case-management initiatives across backend services and React-based internal tools. Design scalable workflows for routing, assignment, queues, evidence, audit history, and legacy-system migration. Partner cross-functionally to translate ambiguous operational needs into reliable products, lead technical design and rollout, improve observability and operational readiness, and mentor engineers through reviews and guidance.
Summary Generated by Built In
About Wolt

At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we’re building the delivery of (almost) everything and you’ll find us in over 500 cities in 30 countries around the world. In 2022 we joined forces with DoorDash and together we keep on dreaming big and expanding across the globe.
Working at Wolt isn’t always easy, but it’s definitely exciting. Here you’ll learn more, build more, and ship more than in most other companies. You’ll be challenged a lot, but also have a lot of fun on the way. So, if you’re a self-starter with drive and entrepreneurial spirit, this could be the ride of your life.

We are looking for a Senior Full-Stack Engineer to help build and evolve our new Common case-management system, powering support-case handling across DoorDash, Wolt, and Deliveroo.

You will own significant end-to-end initiatives across backend services and agent-facing tools: case lifecycle, routing and assignment, queue management, case evidence and history, and migration from legacy systems. This is a hands-on product engineering role for someone who can turn ambiguous customer and operational problems into durable technical solutions.

What you’ll do
  • Lead one or more project-level Case Management initiatives from discovery and design through rollout, measurement, and operational ownership.
  • Build scalable backend services and React-based internal tools used by support operators and administrators.
  • Design reliable case-management capabilities, including case creation, routing, assignment, transfers, audit history, notes, attachments, and queue-management workflows.
  • Help deliver feature parity with legacy platforms while safely migrating traffic across DoorDash, Wolt, and Deliveroo.
  • Make and own technical decisions within your scope; write project-level design documents, identify dependencies and risks, and break work into parallelizable delivery plans.
  • Partner closely with Product, Operations, Support, Data, and other engineering teams to define the right customer problems and improve the roadmap.
  • Raise the quality bar through thoughtful design reviews, observability, testing, incident response, documentation, and reusable patterns.
  • Mentor engineers through code reviews, technical guidance, and constructive feedback.
Must-have qualifications
  • Strong full-stack engineering experience, including production React and TypeScript experience.
  • Strong backend engineering experience, including 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 engineering productivity, while validating generated output for correctness, security, privacy, maintainability, and reliability.
  • Strong product judgment: able to translate ambiguous workflows and user needs into simple, maintainable technical solutions.
  • Proven ability to collaborate across functions, drive alignment, and communicate trade-offs clearly to technical and non-technical stakeholders.
  • Strong software-engineering craft: testing, code review, observability, incident response, security, and operational readiness.
  • Comfortable working on systems with high correctness and auditability requirements, including traceability of decisions and changes.
  • A proactive mentoring mindset and willingness to raise team-wide engineering standards.
Nice-to-have qualifications
  • Go experience.
  • Experience with migration from legacy systems, gradual rollouts, traffic shadowing, and feature-parity programs.
  • Experience building internal tools or operational user interfaces.
  • Experience with high-volume, multi-region, or multi-tenant systems.
What success looks like
  • Delivers a major Case Management initiative with clear technical ownership, predictable execution, and measurable customer or business impact.
  • Improves the Common system’s reliability, usability, and maintainability while enabling safe migration from legacy case-management systems.
  • Helps move support traffic onto the Common system without reducing case-resolution quality.
  • Builds solutions that other engineers and operators can confidently reuse and operate.
  • Acts as a technical leader within the team: unblocks peers, improves engineering decisions, and strengthens cross-functional execution.

Our Commitment to Diversity and Inclusion

We’re committed to growing and empowering a more inclusive community within our company, industry, and cities. That’s why we hire and cultivate diverse teams of people from all backgrounds, experiences, and perspectives. We believe that true innovation happens when everyone has room at the table and the tools, resources, and opportunity to excel.

Beware of recruitment scams: DoorDash, Deliveroo, and Wolt will never ask you to pay money or share sensitive financial information during hiring — learn more about our legitimate recruiting process at Recruitment Scam Awareness - DoorDash .

Skills Required

  • Strong full-stack engineering experience with production React and TypeScript
  • Strong backend engineering experience designing and operating backend services, APIs, asynchronous workflows, and data models at scale
  • Ownership of complex customer-facing or operations-critical projects from technical design through production rollout
  • Hands-on experience using AI development tools to improve engineering productivity while validating 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 clearly
  • Strong software-engineering practices including testing, code review, observability, incident response, security, and operational readiness
  • Experience with systems requiring high correctness, auditability, and traceability
  • Proactive mentoring mindset and willingness to improve engineering standards
  • Go experience
  • Experience migrating legacy systems, gradual rollouts, traffic shadowing, and feature-parity programs
  • Experience building internal tools or operational user interfaces
  • Experience with high-volume, multi-region, or multi-tenant systems

Wolt Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Wolt and has not been reviewed or approved by Wolt.

  • Equity Value & Accessibility — Corporate postings highlight equity as part of the compensation package, offering ownership potential alongside salary and benefits. Mentions of stock in certain locations indicate accessible participation beyond base pay.
  • Leave & Time Off Breadth — Job materials describe generous vacation allowances and strong time‑off policies in several markets. A global parental‑leave policy with top‑ups beyond statutory levels is also cited.
  • Wellbeing & Lifestyle Benefits — Materials describe wellness support such as an Employee Assistance Program, fitness or sports perks, and product credits or discounts. Country‑specific allowances and perk platforms add practical lifestyle value in some locations.

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The Company
HQ: Helsinki
8,287 Employees
Year Founded: 2014

What We Do

Wolt is a Helsinki-based technology company that provides an online platform for consumers, merchants and couriers. It connects people looking to order food and other goods with people interested in selling and delivering them. To enable this, Wolt develops a wide range of technologies from local logistics to retail software and financial solutions – as well as operating its own grocery stores under the Wolt Market brand. Wolt’s products include Wolt+ (subscription service for customers), Wolt for Work (meal benefits and office deliveries for companies), Wolt Drive (fast last-mile deliveries for merchants) and Wolt Self-Delivery (service for merchant partners with their own delivery staff). Wolt’s mission is to make cities better by empowering and growing local communities. Wolt was founded in 2014 and joined forces with DoorDash in 2022. DoorDash operates in 29 countries today, 25 of which are with the Wolt product and brand.

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