Senior Backend Engineer

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’re looking for an experienced Software Engineer join our Go initative within the Merchant Group at Wolt! If you have a strong track record of building and maintaining scalable, production-grade systems you like to drive impact at scale and mentor juniors and peers - this is the place for you! WHO WE ARE The Merchant Group consists of 150+ engineers across 25+ cross-functional teams, working together to help merchants grow their businesses and streamline operations through innovative technology. Some of us focus on building seamless experiences for our merchants, while others work on the behind-the-scenes magic that makes everything run smoothly. WHAT YOU’LL DO As a senior engineer in our group, you’ll work your magic in Go or Kotlin (and some Kotlin) helping shape how merchants succeed with Wolt. You’ll have opportunities to: * Design, build, and scale reliable systems that power merchant experiences. * Work across the full development lifecycle – from business logic and testing to cloud infrastructure and data streaming. * Collaborate on architecture and technology choices that keep our systems simple, scalable, and efficient. * Grow your skills and knowledge by working alongside experienced teammates in an environment that values learning and experimentation. HOW WE WORK * Autonomy & Ownership – Our engineers have end-to-end responsibility for their services, from implementation to production. * Collaboration – Architecture and working methods are defined together, ensuring we make the best choices for long-term success. * Scalability & Simplicity – We value pragmatic solutions that keep our systems robust without unnecessary complexity. We use technologies that serve Wolt, our teams, and our engineers best. You’ll have the freedom to experiment and adopt the tools that work. OUR TECH STACK Our core technologies include Go, as well as Kotlin (Ktor, Koin, Spring, gRPC), PostgreSQL, MongoDB, Kafka, Redis, GitHub Actions, AWS, Docker, and Kubernetes. WHY JOIN US? Wolt is a place where you can learn, teach, and grow. If you’re passionate about building great technology and working in an environment that values teamwork and autonomy, we’d love to hear from you! 📍This open role are based in our tech hubs in Helsinki or Stockholm. We work in distributed teams, but might not be able to offer fully remote work or relocation. OUR HUMBLE EXPECTATIONS We’re seeking an experienced Software Engineer, so we expect that you: * Not only understand customer problems but can break them down into actionable steps for both yourself and the team. You balance short-term needs with long-term goals, creating high-quality, scalable solutions. * Lead by example, setting high standards for work quality and managing projects effectively, even in uncertain situations. You take full ownership of your team’s work, making improvements that benefit both customers and colleagues. You regularly spot gaps and provide valuable recommendations to cross-functional partners. * Are used to being a role model and informal leader, collaborating with partner teams and mentoring both juniors and peers. * Are an excellent communicator, being succint and to the point.  NEXT STEPS We are continuously reviewing applications, so don’t hesitate to apply today - you will hear back from us as soon as possible. You can read more about our recruitment process here. 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.

ABOUT US Welcome to Netigate, a dynamic platform at the forefront of revolutionizing employee and customer engagement. Our mission is to provide organizations with the insights they need to foster meaningful interactions and achieve outstanding outcomes. Through our innovative interface and advanced analytics, we enable companies to comprehend and act on feedback from both their workforce and customers. Join our dedicated team and help transform business connections and growth in today's digital age. Together, we will unlock the full potential of organisational engagement and customer success. YOUR ROLE AT A GLANCE You see AI not as hype, but as a powerful tool to create real and lasting impact. You thrive in agile, fast-paced environments where creativity and new ideas can flourish. Driven by curiosity, you’re always looking for smarter ways to solve problems. You work closely with others, bringing them along on the journey, and you take ownership from day one - leading the way rather than waiting for direction. Most importantly, you’re eager to shape both product and strategy, making a tangible difference beyond simply building features. YOUR KEY RESPONSIBILITIES * Build smart, scalable, and production-ready AI-driven services using Python. * Apply the latest AI tools like Claude, Cursor, and GitHub Copilot in your daily workflow. * Design and optimize hybrid retrieval systems (e.g. vector + BM25) to power LLM-based agents and data lake exploration. * Work closely with our main development team (React, Node.js) to bring AI capabilities into our product experience. * Take the lead on new AI initiatives - prototype, test, build, and continuously improve. * Leverage Azure cloud infrastructure (including pipelines, Infrastructure as Code, etc.) to deploy and manage your work. * Stay on top of the evolving LLM/AI landscape and help us stay ahead of the curve. * Build modern agents using LangGraph, MCP, gRPC with a mixture of  proprietary and open models. * Work on scalable data services using Kafka, RabbitMQ and various ELT platforms. * Build and deploy with Github Action,  Azure stack, ArgoCD, Argo Workflows - of course supported by SRE YOUR PROFILE * 5+ years of experience with Python - you're not just fluent, you’re persuasive. * Solid experience working with GenAI tools like Claude, Cursor, GitHub Copilot, etc. * Strong background in modern data retrieval - you’ve built or worked with vector databases, embedding stores, and hybrid search engines (e.g., vector + BM25). * You understand how to index, query, and surface relevant data from large-scale data lakes - optimizing retrieval for LLMs and intelligent agents. * Solid grasp of APIs, microservices, and scalable backend architecture. * Hands-on experience with Azure or similar cloud platforms. * You’re fluent in English and an excellent communicator - comfortable explaining complex ideas clearly. * You’re collaborative, humble, and care about team success as much as your own. * Bonus for knowledge and experience of Word2Vec, CBOW, LSTM, ML, RNNs, NTLK and other NLP technologies * Bonus for knowledge of Apache Flink, Spark, Superset and ELT/ETL stack such as Airflow, Meltano and good Postgres knowledge WHAT YOU CAN EXPECT * Be part of an ambitious, product-led company with a strong AI agenda. * Collaborate with experienced engineers, designers, and product minds. * Flat structure, open culture, and leadership that listens. * An inclusive and supportive work environment where diversity and creativity are celebrated. * Opportunities for professional growth and career advancement within an international growing company. * No matter your role, whether you're just starting out or in a leadership position, we focus on the value you bring to the table. Creativity and impact are what matter most. * We believe in celebrating our achievements. Wether it's a summer festival or New Year party: we make sure to enjoy our successes and build strong team connections. OUR CULTURE At Netigate, we pride ourselves on our collaborative, imaginative, and learning-focused culture. We believe in the collective strength of diverse perspectives - the "power of WE." We cultivate an atmosphere where fresh ideas are shared, challenges are embraced, and individual growth is encouraged. We encourage all applicants to consider submitting an anonymous CV as part of our commitment to fostering a non-discriminatory and inclusive recruitment process. In line with this, we aim to ensure transparency around compensation and will share indicative salary ranges during the initial conversation.