Senior Full stack Developer / Tech Lead (Java & React)
Permanent
Glasgow (Hybrid)
Join an innovative, fast‑moving technology team building modern SaaS solutions that drive meaningful impact across complex business environments. As a Principal Engineer / Tech Lead, you'll work with cutting‑edge technologies, collaborate across multidisciplinary teams, and contribute to the development of scalable, cloud‑ready applications.
What You will do in the Principal / Teal Lead role
- Design, develop, and maintain robust, scalable backend services using Java, Spring, Hibernate, and related technologies.
- Define database structures, write efficient SQL queries, and ensure best‑practice data management.
- Build complex, high‑performing frontend applications using React and modern UI patterns.
- Integrate frontend and backend components through RESTful APIs, ensuring seamless interaction and performance.
- Conduct code reviews and uphold high standards for code quality, performance, and security.
- Use GitHub for version control and contribute to CI/CD pipelines supporting automated builds, testing, and deployments.
- Work with cloud and container technologies; AWS experience is a strong advantage.
- Leverage emerging AI technologies.
- Collaborate with cross‑functional teams, including developers, product managers, and domain experts, to deliver high‑quality software solutions.
- Participate in Agile ceremonies including sprint planning, stand‑ups, and retrospectives.
What we require to progress candidates for the Principal / Tech Lead opportunity
- 7+ years of professional experience with Java and React, with a proven track record of delivering successful projects.
- Strong expertise in full‑stack Web development, including object‑oriented programming, design patterns, and data structures.
- Deep understanding of scalable system architecture and modern development best practices.
- Ability to solve complex problems with creativity, ownership, and critical thinking.
- Strong collaboration and communication skills with a proactive, positive approach.
- Ability to act as a technical leader in a fast‑moving environment, (prior start-up / scale‑up experience is highly desired)
- Ability to learn quickly and understand complex business requirements with minimal guidance.
- Bachelor’s degree in computer science, Engineering, or equivalent experience.
- Have practical experience or personal passions to engage further with AI experience of Anthropic / OpenAI is a strong plus
Why Join Us
- Work with passionate, mission‑driven professionals focused on delivering meaningful, real‑world impact.
- Joining a fast-moving start-up who are already shifting products and continuing to on-boarding new clients
- Build modern, cloud‑based solutions using cutting‑edge technologies across the stack.
- Thrive in a dynamic, innovative environment with significant opportunities for professional growth, leadership, and technical contribution.
- Contribute to products that empower businesses to drive measurable change and operate more responsibly.
- Strong salary depending on experience in the £65,000 - £75,000 range
- Equity and ownership options
- A growing benefits package
- Hybrid working in Glasgow City centre (typical 3 days a week in the office)
Keywords
Senior Developer, Full stack Developer, Tech Lead, Principal Engineer, Java Developer, Java, Spring, Spring Boot, Hibernate, React, React Developer, Frontend, Backend, Full-stack, AWS, Cloud, SQL, REST APIs, GitHub, CI/CD, Agile, Containers, AI Integration, OpenAI, Anthropic, Software Engineer, Scalable Systems, Hybrid, Glasgow
