Senior Fullstack Developer

hedgehog lab is a global technology consultancy and we are on a growth trajectory. We are looking for a Senior Fullstack Developer who’s committed to delivering products that cut through the complexities of digital transformation and bring valuable business visions to life.

While we have always been about premium digital experiences, to deliver the ambitious product roadmaps of our current customers (who consist of some of the biggest FTSE 100 & Fortune 500 companies) we need to take our skills & the team to the next level to deliver a world-class service. We would love for you to come on that journey and help us do some award-winning work.

Why hedgehog lab?Why hedgehog lab?

Ranked by Clutch for mobile app development. We work with clients of all sizes, from startups to FTSE 100 companies across a range of sectors. If you want to build your portfolio, this is the place to do it. Check out some of our past client work here.

A transparent and open company culture based on trust, where politics is shunned and everyone works as a team. Our People are our greatest asset, and we are so proud to have been certified as a Great Place to Work, as rated by 91% of our business.

We’re a fully Flexified Employer, certified by Flexa. We know a one size fits all approach doesn’t work for everyone, we work with our employees to establish a model that benefits both parties.

Check out our Glassdoor reviews!

Why this role matters:

As a Senior Fullstack Developer, you’ll lead the delivery of robust, scalable digital products across the full stack. You’ll combine your frontend expertise in Next.js/React.js with backend skills in Node.js or Python to create seamless user experiences. Working closely with designers, engineers, and product managers, you’ll help shape technical decisions, influence architecture, and contribute to hedgehog lab’s reputation for innovation, accessibility, and high client satisfaction.

What you’ll be doing:

• Architect and develop fullstack applications using Next.js/React.js and either Node.js or Python
• Build and maintain scalable backend services and APIs
• Champion best practices in accessibility, testing, performance, and code quality
• Use AWS to deploy, scale and monitor production environments
• Work with CMS platforms to integrate content driven functionality into digital products
• Participate in sprint rituals, technical reviews, and continuous improvement initiatives
• Mentor junior engineers and contribute to internal tooling and documentation

How we’ll know you’re thriving: 

• You deliver high quality software that meets client goals and performs reliably in production
• You take technical ownership and drive improvements across the stack
• You build trust with clients and communicate complex ideas clearly
• You bring a proactive mindset to solving problems and refining processes

Where this role can take you:

• Opportunity to shape the technical direction of key projects
• Exposure to diverse domains across global clients
• Influence cross-functional best practices across frontend, backend, and cloud
• Grow into a lead or staff-level engineering role within a supportive team

Who you are:

This role could be a great fit if you have…

Frontend expertise:

• Strong commercial experience with both React.js and Next.js, with a clear understanding of the features each technology offers
• Solid foundation in semantic HTML and modern CSS, with experience using component libraries such as ChakraUI and maintaining design systems via tools like Storybook
• Robust knowledge of JavaScript and ES6+ fundamentals, including functional programming concepts and modern syntax 
• Extensive experience developing at scale with TypeScript, including best practices for type safe applications and maintainable application architecture
• Deep understanding of core React principles, including functional components, hooks, local and global state management, and the rules of React
• Strong grasp of rendering patterns, including client-side rendering (CSR) and server-side rendering (SSR) as used in frameworks like Next.js
• Hands-on experience with asynchronous state management, particularly using tools like React Query
• Desirable: Familiarity with runtime validation libraries such as Zod or similar
• Proactive approach to accessibility, with awareness of WCAG standards and commitment to inclusive design
• Experience with unit testing using Vitest, and an understanding of visual regression testing workflows in CI/CD
• Excellent cross-functional communication skills, with the ability to collaborate effectively across design, product, backend, delivery, and client-facing teams
• Actively contributes to team culture, offering thoughtful opinions and engaging in frontend engineering discussions and decision-making

Backend skills:

• Experience building APIs and backend services in Node.js or Python
• Understanding of RESTful architecture and API integrations
• Familiarity with authentication, session management, and database access patterns

Cloud & CMS:

• Working knowledge of AWS services (e.g. Lambda, S3, API Gateway, RDS)
• Experience integrating or working with modern CMS platforms (e.g. Contentful, Sanity, Strapi, or similar)
• Comfortable working with Git, CI/CD pipelines, and modern DevOps tooling

Interview Process

Stage1️⃣ – Intro call with our Talent Acquisition Advisor (30 mins Google Meet)

Stage 2️⃣ – Informal chat with your potential line manager (30 mins Google Meet)

Stage 3️⃣ – Take home tech test (no deadline- return when you’re happy!)

Stage 4️⃣ – Interview with 2 member of the team (60 mins Google Meet)

About You

Passionate with a desire to deliver world-class products

Detail oriented and delivery focused, with the ability to think big

Organised and self-motivated

Willingness to participate in our code/peer review processes

Always eager to learn and to share knowledge

Comfortable with pressure and deadlines and can work in a fast paced environment

What We Offer

🏡 Flexible working environment. We’re a remote-first company, as well as offering office environments for those who prefer a hybrid approach.

🧠 A transparent and open company culture where politics are shunned and everyone works as a team.

📖 Annual learning & development budget plus 4 days L&D leave, which renews every year.

💙 Annual wellbeing budget plus 2 paid wellbeing days to use as you feel fit.

💌 Free therapy sessions with Spill. Mental health is paramount to us. Our partner, Spill, is a Slack-integrated therapy app available to all our staff at no extra cost.

🥳 Monthly payday socials and annual Summer and Christmas parties. We also like to celebrate important cultural milestones..

🌍 Inclusive environment. We never discriminate based on race, colour, religion, gender, gender identity, sexual orientation, nationality, genetics, disability or age. From menopausal support to neurodiversity adjustments, we’ll continue to foster an inclusive culture at the lab where everyone can let their authentic selves shine.