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Frontend Software Developer for climate tech startup, Southern Lights (Hybrid/Remote)

Want to fight climate change with your software skills? Join Southern Lights as a Frontend Software Developer!

About us

Southern Lights is a climate tech startup that is developing an innovative web-based software for creating green energy projects. Our mission is to help replace fossil fuels in heavy industry by enabling green hydrogen at scale. We empower energy developers to efficiently assess green hydrogen projects, with our powerful Software-as-a-Service tool. That way our clients can create successful clean energy projects that will reduce carbon emissions on a global scale.

Founded in 2022, Southern Lights is a growing startup with a talented and dedicated team of professionals. The founders, Felipe, Anton and Gustav have worked passionately since product launch to bring their vision to life and empower their global customers' green energy projects. We are headquartered at KTH Innovation in Stockholm, Sweden.

Having successfully completed a round of funding, Southern Lights is now in an exciting phase of expansion. Our primary goal is to iteratively improve our product and grow our customer base.

Your responsibilities

We are looking for a highly skilled and experienced Frontend Developer with a focus on Typescript, React and Next.js to join our team. As the first Frontend Developer at Southern Lights, you will play a pivotal role in the continuous development of our SaaS product and contribute to the entire product life cycle. You will collaborate closely with our founders to identify and prioritise customer needs and work with our energy modeling experts to define the technical direction of our products.

Areas of responsibility:

  • Designing and implementing the frontend of our product

  • Building Next.js components and contributing to the overall frontend development

  • Analyzing and enhancing the UX/UI for optimal user experience

  • Collaborating closely with the rest of the team to make iterative improvements to the product

Work with great people

Felipe Gallardo
CEO & Co-founder
"Felipe is an energy expert and entrepreneur, with notable roles at green tech consultancy LIF Energy and a PhD candidacy at KTH Royal Institute of Technology."
Anton Frisk
COO & Co-founder
"Anton is an entrepreneur and engineer focused on clean energy technologies. As a co-founder of Southern Lights, he aims to accelerate energy transition for climate impact."
Gustav Ekberg
CTO & Co-founder
"Gustav is a seasoned technical leader and developer with expertise in system modeling and SaaS startups. His focus is on transforming innovative ideas into successful products."

Skills & Requirements

Your skills and experience

To be successful in this role, you should have a strong background in frontend web development and experience working on product development teams. You should also have deep expertise in frontend technologies, particularly React and Next.js, and a solid understanding of UX/UI principles and best practices.


  • 3+ years of Javascript experience

  • 2+ years of React/Nextjs experience

  • 1+ years of Typescript experience

Preferred experience with any of:

  • Nodejs

  • PostgreSQL

  • AWS Lambdas


  • Vercel

What we offer

  • We're here to build a fantastic startup culture and want to reward you for your dedication.

  • Take on an important role as a valued member of a high-performing team making a real impact on society.

  • Work on building cutting-edge technology for the energy transition in a rapidly expanding market.

  • Hybrid work as part of our Stockholm-based team. Flexibility in time and workplace.

  • Co-working space in central Stockholm in a fantastic vibrant startup setting.

  • A competitive salary.

Why join?

As a small team, we work in a highly collaborative environment and you'll have the opportunity to participate in every part of the business from idea to production. You will be working directly with Felipe, Anton and Gustav, the founders of Southern Lights, and together we will grow our company and our team. This is the starting seed of something big!

  • Climate Impact : Join us in building the product that will help cut fossil fuels on a global scale!

  • Excellence: Practice your development craft with the founders in a fast-paced startup environment.

  • Grow: Shape the direction of product and strategy — Your best ideas will flourish with us!

If you are an exceptional frontend developer with expertise in React and Next.js, strong collaboration skills, and a passion for creating outstanding products, we encourage you to apply for this position at Southern Lights.

Diversity and inclusion are core to our culture. If you are a member of an underrepresented group in tech, we strongly encourage you to apply!

What if this role is not right for you? If you resonate with our mission at Southern Lights, and you wish to apply anyway, then please send us an application with a cover letter where you describe why you think we are the perfect match for each other.

We look forward to getting your application!

Great Place to Work

  • Business Development Coach from KTH

  • Centrally located office space (KTH Campus)

  • Be part of the thriving KTH Innovation Community

  • Access to mentor and investor network

  • Workshops and service packs from KTH partners

  • Proof-of-concept funding

  • Access to Media Studio and Makerspace

About the company

Southern Lights is currently supported by KTH Innovation and part of a batch in the Pre-incubator program. The KTH Innovation Pre-incubator program is a 12 month program to accelerate the development of promising startup projects from KTH Royal Institute of Technology. Startup projects receive extensive support from inhouse Business Development Coaches as well as additional support such as office space, community activities, team development support, IP and legal counseling, access to industry, mentor and investor networks.

Gustav Ekberg | Contact Person

I'm interested
Southern Lights

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