Senior Fullstack Developer
We usually respond within three days
📍 Location: Bulgaria
🕐 Contract Type: Full-time
hedgehog lab is a globally renowned digital product consultancy with two decades of experience and a reputation as true masters of our craft. Proudly operating from the heart of Northern England, we are on a mission to digitally craft a better world by delivering transformative solutions that align seamlessly with strategic visions.
Our culture thrives on turning constraints into catalysts for innovation, empowering our team to tackle the most complex technical challenges with confidence, architecting scalable and innovative solutions that future-proof businesses. Beyond our award-winning work, we’re also known for our Flexa-certified company culture.
We’re looking for a passionate Senior Fullstack Developer who thrives in an environment where expertise, curiosity, and impact converge. If you’re ready to help shape the future and create digital products that leave a lasting legacy, we’d love to hear from you.
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
Note: Research shows that women and individuals from underrepresented backgrounds often refrain from applying to positions unless they meet all the specified criteria. If you believe you possess the necessary qualities for this role but do not fulfil every requirement, don't hesitate to apply. We actively encourage you to showcase your skills and what you can contribute.
What to expect from our interview process
We aim to make our process transparent, inclusive, and respectful of your time:
Stage 1️⃣ - Intro Call with a member of the Talent team, Holly (30 minutes Google Meet)
Stage 2️⃣ - A technical Interview, including a live coding task, with our Engineering Manager, Steven (60 minutes, Google Meet)
Stage 3️⃣ - People and Values Interview with Steven (45 minutes, Google Meet)
We'll keep you informed at every step.
Why join us at hedgehog lab?
At hedgehog lab, we’ve built a workplace where people genuinely enjoy what they do and who they do it with.
We’re proud to be:
🎯 Rated #1 in the UK on Clutch for mobile development
🌟 A Great Place to Work! 93% of our team said so
🧘 Flexa-certified with an 85% FlexScore for flexible working
🏅 Holders of the Advanced Good Work Pledge in the North East
But culture goes beyond certifications. We’re a team that values trust, autonomy, and inclusion. Whether you're working from our Newcastle HQ, home, or a café, we support what works for you. We’ve created an environment where neurodiverse, LGBTQ+, and underrepresented voices are celebrated, and where every person can be their authentic self.
Read what our team says on Glassdoor.
What we offer:
💡 How we support your growth
- Annual personal development budget
- Career frameworks and coaching support
- Impact Days – 5 days a year to spend on learning, volunteering, or making a difference in ways that matter to you
🧘 How we support your wellbeing
- 2 wellbeing days a year (in addition to leave)
- Free therapy with Spill
- Bupa health cash plan (UK)
- Wellbeing budget
- Multisport card (Bulgaria)
- Bippit (UK) – access to a financial coach, tools, and resources to support your money goals
🎉 How we stay connected
- Monthly payday socials
- Annual summer & Christmas parties
- Celebrations for cultural and team milestones
🏡 How we support your work/life balance
- Work from anywhere: home, office or hybrid
- Flexa-certified employer with 85% FlexScore
- Enhanced parental policies
- 36 days holiday (UK), 30 days (Bulgaria) including bank/public holidays
- Open to alternate working patterns to suit you
Diversity & inclusion statement
We strongly believe that having diversity within our team is integral to doing our best work and creating the most innovative products for our customers. We encourage people from underrepresented backgrounds to apply to our roles.
We’re a family-friendly employer with a culture based on trust, autonomy and flexibility. With a current 85% FlexScore®, we’re learning as we go. By listening to our team and always asking for feedback, we can continue to improve and offer a working environment worthy of attracting the most creative and dedicated people in technology.
If you require any adjustments to submit an application for a vacancy, or if you require any reasonable adjustment should you be invited to interview, please let us know.
For any questions about this role or future opportunities, please contact Holly Orange, Senior Talent Acquisition Adviser, at holly.orange@hedgehoglab.com or talent@hedgehoglab.com
- Department
- Engineering
- Role
- Fullstack (React + Python)
- Locations
- Bulgaria
- Remote status
- Fully Remote
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