JavaScript Full-Stack Developer at SoSafe

Are you an experienced JavaScript Full-Stack Developer ready to use your skills for something that truly matters? Join SoSafe and help us enhance a product that keeps people safe every day.
About SoSafe
Founded in 2020, SoSafe is a rapidly expanding scale-up within the Blackfish Group family. We’ve developed an innovative app that lets people connect with their closest heroes and emergency services with just one click. Today, more than 20,000 users in Sweden trust SoSafe to feel safer in their daily lives and this is only the beginning.
Our vision is to increase safety for people all around the world. To get there, we’re building a passionate team that wants to make a real difference.
Join us and be part of shaping the future of safety!
Learn more about SoSafe here
Job description
We’re now looking for a JavaScript Full-Stack Developer to support and grow the SoSafe product from the technical side. This is a dynamic opportunity for someone passionate about building impactful products across the full stack, from backend infrastructure to mobile apps and frontend experiences.
Your Main Responsibilities
- Fix issues across the systems as they arise.
- Maintain the backend built with NestJS, GraphQL, Apollo, and TypeScript.
- Build new features for both mobile and web platforms (iOS, Android, and admin panels).
- Work with the database and infrastructure.
- Continuously develop new features and help grow SoSafe as a product.
- Act as the sole developer initially, taking full technical ownership.
- Contribute ideas to improve app functionality, performance, and user flows and implement them.
- Maintain a business and product vision, thinking beyond code to the bigger picture.
- Support analytics initiatives.
- Ensuring excellent user experience design for the new features.
- Provide references and recommendations, demonstrating strong experience with the Tickital tech stack (our sister company).
Our Tech Stack
Mobile Apps: Kotlin and Swift.
Backend: NestJS, Express, GraphQL, Apollo, TypeScript, Lodash, Moment, Twilio, Passport, ESLint, Prettier.
Frontend: React, TypeScript, Ant Design, Apollo, Axios, Moment, ESLint, Prettier.
We are looking for you who has:
- 5+ years of hands-on experience as Java Script Full-Stack Developer, with proven expertise across mobile, web apps, backend, and infrastructure.
- Demonstrated experience with SoSafe’s tech stack (NestJS, GraphQL, Apollo, TypeScript, React, Swift, Kotlin, etc.)
- A proactive and independent mindset, eager to take ownership of features end-to-end.
- Confidence working solo, with the ability to take full technical ownership.
- Strong communication skills, with the ability to provide references and technical recommendations.
- Solid UI and UX skills, ensuring intuitive and user-friendly solutions.
- Genuine interest in security, social impact, or startups
What we offer
- Take full technical ownership of a product that truly makes a difference in people’s lives.
- A stable codebase and testing environment – so you can focus on creating value, not firefighting.
- Work from our modern office in Stockholm, with the option for hybrid work.
- Competitive salary with the option for equity or partnership.
- A strong company culture built on authenticity, freedom, and growth – part of the Blackfish ecosystem.
👉 If you’re passionate about building great products and want to use your skills to make the world safer, we’d love to hear from you. Apply today and join us on our mission!
About Amendo Tech
Amendo Tech is working with recruitment and consultants, with a clear focus on IT, tech and digital excellence. We operate across all of Sweden, with office in Stockholm. Follow Amendo Tech on Linkedin.
Amendo Tech is a a wholly owned subsidiary of Amendo Group, delivering talent solutions since 2001. Lagotto is also a part of the Amendo Group, who specialize in both recruitment and interim appointments of leaders and specialists, as well as Amendo Bemanning & Rekrytering who recruit and deliver consultants within accountancy, banking, finance, insurance, HR and communication.
Questions and contact
SoSafe is collaborating with Amendo Tech in this recruitment process. If you have any questions regarding this specific role, please contact Johanna Hallenberg at Johanna.hallenberg@amendotech.se. We are looking forward to hear from you!
- Platser
- Stockholm

Stockholm
Om Amendo Tech
Amendo Tech är din heltäckande kompetenspartner inom IT och tech. Genom åren har vi tillfört allt ifrån ledare och specialister till nykläckta talanger till bolag i alla storlekar och branscher. Vi har kontor och stark lokal närvaro i Stockholm. Samtidigt är vi, tack vare våra digitala lösningar och verktyg, geografiskt obundna och kan hjälpa våra kunder och kandidater med sina utmaningar över hela Sverige.
Amendo Tech är en del av Amendo Group som har arbetat med framtidens kompetens sedan 2001. I koncernen ingår även Amendo Bemanning & Rekrytering och Lagotto Executive Search & Interim. Tillsammans möter vi dig där du står, och tar dig dit du vill. Vi är din trygga och engagerade kompetenspartner.
Vår gemensamma vision är att utveckla världen med kompetens. Det uppnår vi genom att arbeta nära våra kunder och kandidater, vara nyfikna och hela tiden vilja framåt.
Besök gärna vår hemsida.