At a Glance
- Tasks: Design and build scalable backend services for our global e-commerce platform.
- Company: Join a dynamic team at On, a leading running brand.
- Benefits: Collaborative environment, professional growth, and a chance to make a real impact.
- Other info: Fast-paced team with opportunities to work across multiple locations.
- Why this job: Be at the heart of digital innovation and enhance user experiences worldwide.
- Qualifications: Strong backend development skills, especially in Node.js and TypeScript.
The predicted salary is between 72000 - 88000 £ per year.
Our Direct to Consumer business is performing and growing strongly, which is why we - within the Commercial Platform team at On - are looking for a Senior Backend Engineer to scale On’s online business to the next level. As an experienced engineer, you will be responsible to design, build, deploy, test and operate our digital services. You will be sitting in our office in London and collaborating closely with the cross-functional Digital teams across our key locations.
Your Mission
As a Senior Backend Engineer in our Commercial cluster, you will be at the heart of On's digital ecosystem. You will design, build, and scale the critical services that power our global e-commerce platform, B2B partner portals, and retail experiences. Your work will directly impact how we deliver product information, checkout process and end-to-end e-com user experience, to our customers and partners, ensuring a seamless and premium experience that drives our commercial success.
What You'll Do
- Design, develop, and maintain robust and scalable backend services using our modern tech stack, with a primary focus on NestJS, TypeScript, and GraphQL.
- Take ownership of key components within our Commercial cluster, ensuring they are performant, reliable, and meet the needs of various client applications (web, mobile, and third-party integrations).
- Collaborate closely with frontend engineers, product managers, and other stakeholders to deliver end-to-end features.
- Agentic engineering, comfortable using AI in your daily workflow.
- Deploy and operate your services in a cloud-native environment on Google Cloud Platform (GCP), using Kubernetes and Docker.
- Engage with and contribute to our distributed systems landscape, helping to build resilient systems that can handle our growing scale.
Your Story
- A strong background in backend development, with proven experience building and shipping high-quality software.
- Proficiency in Node.js and TypeScript, with a deep understanding of modern backend frameworks. Hands-on experience with NestJS is a significant advantage.
- Solid experience in designing, building, and consuming GraphQL APIs.
- Strong knowledge of relational databases (e.g., PostgreSQL) and data modeling.
- Hands-on experience with cloud platforms (GCP is a plus) and containerization technologies (Docker, Kubernetes).
- You are a collaborative team player with excellent communication skills, comfortable working in an agile environment.
Bonus points for experience with:
- ORM tools like MikroORM
- Event-driven systems (e.g., Kafka, BullMQ, Pub/Sub)
- E-com ecosystems
Your Team:
As you might expect from a running brand, the wider E-Commerce team at On is a fast-paced place to be. You will work in the diverse Commercial Technology domain, collaborating with Software Engineers, QA Engineers, Product Managers, Data Analytics, Marketing and others of stream-aligned or platform teams that are located in Berlin, Zurich and London.
What We Offer
At On, we are a team of explorers, dreamers, and innovators. We live and breathe our mission to ignite the human spirit through movement. We offer a dynamic, fast-paced, and collaborative environment where you can make a real impact. You'll be surrounded by passionate and talented colleagues, with plenty of opportunities for professional growth and development.
On is an Equal Opportunity Employer. We are committed to creating a work environment that is fair and inclusive, where all decisions related to recruitment, advancement, and retention are free of discrimination.
Senior Backend Engineer - Commercial Technology in London employer: Worky
JPMorgan Chase & Co. is an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration among talented professionals in the heart of the financial industry. As an Applied AI Engineer, you will have access to extensive employee growth opportunities, cutting-edge technology, and the chance to work alongside industry leaders, all while contributing to impactful projects that shape the future of Markets Operations.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Backend Engineer - Commercial Technology in London
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We think you need these skills to ace Senior Backend Engineer - Commercial Technology in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Worky.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Worky and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
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How to prepare for a job interview at Worky
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Worky uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
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While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
