At a Glance
- Tasks: Develop impactful software for clean energy solutions using modern tech.
- Company: Mission-driven SaaS start-up focused on decarbonisation.
- Benefits: Up to £105k salary, 10% bonus, remote work, and professional development.
- Other info: Collaborative culture with opportunities for growth and international retreats.
- Why this job: Join a team solving real-world energy challenges with cutting-edge technology.
- Qualifications: Experience in React, TypeScript, and cloud-native applications.
The predicted salary is between 105000 - 105000 £ per year.
We’re partnering with an exciting and mission-driven SaaS business operating within the clean energy space, currently looking to hire a Senior Full Stack Software Engineer to join their growing engineering team. This is an opportunity to work on complex, high-impact software helping organisations make smarter energy investment and infrastructure decisions as part of the global transition towards decarbonisation. The company is building a highly sophisticated modelling and simulation platform and is looking for engineers who enjoy solving difficult technical challenges while maintaining a strong focus on product, usability, and customer outcomes.
The Opportunity
This is a genuinely product-focused engineering role where you’ll own problems end-to-end — from discovery and solution design through to delivery, iteration, and optimisation. You’ll work closely with product, design, data, and domain experts, helping shape features around simulation, configuration, analytics, visualisation, and reporting capabilities within a modern cloud-native SaaS environment. The team values curiosity, autonomy, engineering quality, and collaborative problem-solving.
Tech Stack
- React
- TypeScript
- Node.js
- GraphQL
- AWS (Lambda, ECS, S3, DynamoDB)
- MongoDB
- Python
- Cloudflare
The business is also actively exploring AI and LLM capabilities within both product development and engineering workflows.
What They’re Looking For
- Strong Product Mindset
- Passion for building products with real customer impact
- Ability to think beyond tickets and understand the “why”
- Comfortable collaborating directly with users and stakeholders
- Strong communication and problem-solving skills
Technical Expertise
- Strong commercial experience building modern web applications using React and TypeScript
- Excellent JavaScript/TypeScript fundamentals
- Experience designing scalable systems and APIs
- Strong understanding of software architecture and engineering best practices
- Experience with automated testing and CI/CD pipelines
- Appreciation for clean UX and product quality
Cloud & Platform Experience
- Experience building scalable cloud-native applications in AWS
- Understanding of observability, monitoring, reliability, and security best practices
AI & Modern Engineering Practices
- Comfortable using AI-assisted development tooling
- Interest in how AI/LLMs can improve products and engineering workflows in practical ways
Nice to Have
- Python experience
- Data engineering, analytics, or machine learning exposure
- Experience with visualisation platforms
- Background within SaaS, energy, fintech, scientific computing, or modelling environments
- Start-up or scale-up experience
What’s on Offer
- Competitive salary package up to £105,000 per annum
- Strong bonus structure - up to 10%
- Great benefits
- Strong engineering culture with high levels of autonomy
- Opportunity to work on meaningful climate/energy problems
- Professional development budget and learning support
- Choice of equipment and home office allowance
- Access to the latest AI tooling
- International company retreats with global teams
This role has a 3 stage interview process. If you’re interested in working on genuinely impactful technology within a collaborative and high-performing environment, we’d love to speak with you.
Full Stack Engineer in Portsmouth employer: develop
Join a mission-driven SaaS company at the forefront of clean energy technology, where you'll have the opportunity to work on impactful software solutions that drive the global transition towards decarbonisation. With a strong emphasis on autonomy, collaboration, and professional growth, this remote-first role offers competitive compensation, a robust bonus structure, and access to cutting-edge AI tools, all while contributing to meaningful climate initiatives. Experience a supportive engineering culture that values curiosity and innovation, alongside opportunities for international collaboration and personal development.
StudySmarter Expert Advice🤫
We think this is how you could land Full Stack Engineer in Portsmouth
✨Tip Number 1
Network like a pro! Reach out to folks in the clean energy and SaaS space on LinkedIn. Join relevant groups, attend meetups, and don’t be shy about asking for informational chats. You never know who might have the inside scoop on job openings!
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those using React, TypeScript, and AWS. Make sure to highlight any work that demonstrates your product mindset and problem-solving abilities. This will make you stand out when you apply through our website.
✨Tip Number 3
Prepare for those interviews! Research the company’s mission in clean energy and think about how your experience aligns with their goals. Be ready to discuss how you can contribute to their engineering culture and tackle complex challenges.
✨Tip Number 4
Follow up after interviews! A quick thank-you email can go a long way. Mention something specific from your conversation to remind them of your enthusiasm and fit for the role. It shows you’re genuinely interested in joining their team!
We think you need these skills to ace Full Stack Engineer in Portsmouth
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your experience with React, TypeScript, and AWS, as well as any relevant projects that showcase your product mindset.
Craft a Compelling Cover Letter:Use your cover letter to tell us why you're passionate about clean energy tech and how your background aligns with our mission. Share specific examples of how you've tackled complex problems in previous roles.
Showcase Your Technical Skills:Don’t just list your technical skills; demonstrate them! If you’ve built scalable applications or worked with cloud-native technologies, include links to your projects or GitHub repositories to give us a taste of your work.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity to join our team!
How to prepare for a job interview at develop
✨Know Your Tech Stack
Make sure you’re well-versed in React, TypeScript, and AWS. Brush up on your knowledge of building scalable cloud-native applications and be ready to discuss your experience with APIs and software architecture. This will show that you understand the technical requirements of the role.
✨Show Your Product Mindset
Prepare to talk about how you've built products that have made a real impact. Think of examples where you’ve gone beyond just coding to understand user needs and how your work contributed to the overall product vision. This will resonate well with their focus on customer outcomes.
✨Demonstrate Collaborative Skills
Since the role involves working closely with product, design, and data teams, be ready to share experiences where you’ve successfully collaborated with others. Highlight your communication skills and how you’ve tackled problems as part of a team to achieve common goals.
✨Embrace Curiosity and AI
The company values curiosity and is exploring AI capabilities, so come prepared with ideas on how AI can enhance product development or engineering workflows. Show your enthusiasm for learning and adapting to new technologies, which will align with their innovative culture.
