Job title: Software Engineer
Type: Full-time, Permanent
Location: Bulgaria-based, with flexible home, office, or hybrid working

What you'll do

You will join a cross-functional product team building a next-generation energy modelling platform. Working alongside engineers, designers, data specialists and a product manager, you will help turn ideas, prototypes and user journeys into reliable, scalable software.


In this role, you will:

• Build high-quality features across the stack, contributing to both frontend and backend development.
• Work from product requirements and Figma flows to implement clear, maintainable solutions.
• Collaborate with senior engineers to refine architecture, improve performance and keep the codebase healthy.
• Integrate frontend interfaces with backend APIs and Python-based analytics services.
• Follow modern engineering practices, including code reviews, automated testing, CI/CD and documentation.
• Take ownership of your work, raising issues early and contributing ideas that improve the product.
• Work closely with product and design partners to understand user needs and translate them into working features.

Why this role

• This is a chance to join a strategic product team at a formative moment and grow as part of a long-term programme of work.
• Contribute to a complex, high-value product used in global energy markets.
• Work with modern tools, patterns and cloud technologies in a collaborative environment.
• Develop your skills through pairing, mentorship and exposure to architectural decisions.
• See your work move quickly from concept to production, with real user impact.

Who is hedgehog lab

We’re an outcome-driven product consultancy where product, design and research sit side by side.

You’ll join a team that values curiosity, collaboration and impact, building products that truly matter.

hedgehog lab benefits

• 20 days holidays + bank holidays
• 5 Impact Days per year to spend on L&D, volunteering or innovation
• Flexible working environment
• Annual wellbeing budget + two days of wellbeing leave
• Mental health support 
• Multisport card
• 3rd party health insurance
• Company supplied Apple Mac

Tech stack you’ll work with

You’ll work within a modern, cloud native environment using technologies such as:

• Frontend: React, TypeScript, modern component libraries
• Backend: Node.js with TypeScript (for example, NestJS or Express), REST or GraphQL APIs
• Data and analytics integration: Python services powering analytical and AI features
• Database: PostgreSQL plus caching layers such as Redis
• Cloud and infrastructure: Azure or AWS, Docker, Kubernetes or managed container services
• Quality and tooling: Jest, React Testing Library, GitHub Actions or GitLab CI, emphasis on automated testing

What we are looking for

• Experience building web applications using React and TypeScript
• Some backend experience with Node.js and TypeScript
• Understanding of API integration and client-server architecture
• Familiarity with relational databases such as PostgreSQL
• Interest in working with data-heavy or AI-supported features
• Ability to work effectively in a fast-paced, collaborative product team
• Good communication skills and willingness to learn from others
• A pragmatic approach to building reliable software and solving problems

Ready to apply?

Submit your application below. Please note that we’re unable to offer visa sponsorship for this role.