Fullstack Engineer - Vitamin Well Group

Vitamin Well; Stockholms kommun; On-site; SEK 650,000 - 900,000; Full time

Job summary

Vitamin Well Group is seeking a Fullstack Engineer to build across the full stack: backend, frontend, data and e-commerce integrations. You will own problems end to end, choosing tools and shipping AI-driven products used by teams and customers.

Responsibilities include wiring AI into Shopify checkout flows and automating internal workflows, while shaping the platform's technical foundation for years ahead.

Qualifications

• 2–5+ years of experience with modern web development.
• Hands-on experience with e-commerce platforms.
• AI-first development practice; familiarity with Claude.
• Track record of shipping AI-driven products used by customers.
• Strong data understanding: SQL, API integrations and data modelling.

Responsibilities

• Design and ship AI-powered features that improve the customer experience across our sites and e-commerce flows.
• Integrate AI and agentic workflows into production systems, not prototypes.
• Develop and integrate e-commerce functionality on Shopify, with AI woven into the experience.
• Own solutions from scoping to deployment, including evals and monitoring for AI-driven functionality.

Skills

Python

REST APIs

Frontend frameworks

Web development

AI-first development

Tools

Claude AI

Job description

Vitamin Well Group develops premium functional drinks, snacks and protein products designed for modern, everyday life and on-the-go consumption. Our portfolio includes Barebells, NOCCO and Vitamin Well. With over 750 employees and revenue of more than SEK 10 billion, we are present in over 50 markets, with our headquarters in Stockholm and local teams and partners around the world. Our growth is driven by a focus on building strong brands, creating products with uncompromising taste and clear functionality, and consistently raising the bar across our categories.

We are building a small team to lead the technical foundation for the next phase of Vitamin Well Group's digital business. We work across e-commerce, internal tools and data, with AI integrated into how we build products, improve workflows and create better user experiences.

Whether it’s making the shopping experience on our sites genuinely personal, building agentic analytics that make data more accessible and actionable across the business, or replacing manual internal workflows with agents that just get the job done, our focus is on building solutions that solve real problems and create long-term value.

We combine engineering depth with a pragmatic, ship-focused approach, and we set the technical direction for how the digital business operates going forward.

About the role

We are looking for a Fullstack Engineer to build across the full stack: backend, frontend, data and e-commerce integrations.

In this role, you will own problems end to end. You identify what needs to be built, choose the right tools for the job, and ship AI-driven products that teams and customers genuinely use and value.

One week you might be wiring an LLM into a Shopify checkout flow to personalize recommendations; the next, building an internal agent that automates a manual workflow or improves how teams interact with data.

Because both the team and the platform are new, you will have real influence over what we build, how we build it and what the technical foundation looks like for years ahead.

Key responsibilities

• Design and ship AI-powered features that improve the customer experience across our sites and e-commerce flows

• Integrate AI and agentic workflows into production systems, not prototypes

• Develop and integrate e-commerce functionality on Shopify, with AI woven into the experience

• Own solutions from scoping to deployment, including evals and monitoring for AI-driven functionality

Who are you

You are a pragmatic problem solver who enjoys building and shipping products that create real impact. You have worked in scale-ups or smaller companies where the platform was new, the team was small, and you had to figure things out as you went.

You understand where AI creates real value and how to apply it in practical ways across products, workflows and user experiences. You are AI native and use tools like Claude as a core part of how you build, solve problems and move quickly - not as a shortcut, but as a natural part of how you work.

You combine technical range with a strong sense of ownership. You take initiative, move things forward independently and build solutions that are scalable, maintainable and genuinely useful for the people using them.

What you will bring

• 2-5+ years of experience with modern web development, including Python, REST APIs and frontend frameworks

• Hands-on experience with e-commerce platforms

• AI-first development practice, with expert level skills using tools like Claude as a core part of how you build

• A track record of shipping AI-driven products or functionality that customers or colleagues actively use day to day

• Strong understanding of data, including SQL, API integrations and data modelling in a modern data warehouse

Life at Vitamin Well Group

At Vitamin Well Group, we believe that a great workplace fuels great products. With over 750 employees worldwide, our people play an important role in how we build brands, develop products and grow the business. Our values – innovation, courage, drive and responsibility – shape how we work together and how we do business.

Across functions and markets, our teams are hands-on in building our brands, developing our products and making them available to consumers around the world. We embrace an office-first principle because we believe our best ideas emerge when people come together, share ideas, build relationships and take ownership.

Promoting active lifestyles is part of our culture. Employees can take part in run clubs, group workouts, races and sporting events that suit different interests and fitness levels. As we continue to grow, we aim to make a positive impact by reducing our environmental footprint, promoting active and healthy lifestyles, and acting responsibly across our value chain.

As part of the recruitment process, we may ask you to conduct a personality test as well as a test that measures logical ability. The purpose of the tests is to evaluate candidates as objective as possible and identify the best possible match for the role. The tests are based on solid research and are taken through our partner Alva Labs.