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Frontend Developer Internship

Frontend Developer Internship

Frontend Developer Internship

Build Real Products with Low-Code Tools in a High-Speed Startup. Are you looking for a full-time internship where you’ll actually build real stuff, learn a ton, and have fun doing it?


At Sid, we’re transforming how B2B SaaS companies reach decision-makers through ultra-targeted advertising—and we’re looking for a frontend intern to help us level up our platform. If you’re curious, eager to build, and excited about working with low-code tools like JetAdmin, this is for you.

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About Sid

About Sid

Sid isn’t your typical marketing agency—we act as a growth engine for B2B SaaS companies. Through razor-sharp audience targeting, compelling creative, and data-driven campaigns, we help sales teams generate leads, shorten sales cycles, and stand out in crowded markets.


We're a tight-knit team of 4 developers (2 backend, 1 frontend, 1 fullstack), working closely with sales and operations to build tools that power everything we do. And now, we’re ready to bring on our second frontend developer—you!

About the Role 👇🏼


As a Frontend Intern, you’ll work hands-on with our JetAdmin-based platform, collaborating with the product and tech team to deliver internal tools and client-facing features. You’ll help design interfaces, build workflows, and connect data to create real impact from day one.


This isn’t a "fetch coffee and sit in meetings" internship—you’ll be shipping code, shaping products, and getting experience that matters.


  • Build User Interfaces: Use JetAdmin, a modern low-code platform, to create functional and user-friendly frontends.

  • Implement Workflows: Translate business needs into tools that streamline operations and improve campaign delivery.

  • Integrate APIs: Connect backend services and third-party tools to our frontend in clean, scalable ways.

  • Collaborate with the Team: Work closely with backend, frontend, and fullstack developers in a highly collaborative, feedback-driven environment.

  • Improve User Experience: Continuously iterate on UI/UX based on feedback from the team and users.

About the Role 👇🏼


As a Frontend Intern, you’ll work hands-on with our JetAdmin-based platform, collaborating with the product and tech team to deliver internal tools and client-facing features. You’ll help design interfaces, build workflows, and connect data to create real impact from day one.


This isn’t a "fetch coffee and sit in meetings" internship—you’ll be shipping code, shaping products, and getting experience that matters.


  • Build User Interfaces: Use JetAdmin, a modern low-code platform, to create functional and user-friendly frontends.

  • Implement Workflows: Translate business needs into tools that streamline operations and improve campaign delivery.

  • Integrate APIs: Connect backend services and third-party tools to our frontend in clean, scalable ways.

  • Collaborate with the Team: Work closely with backend, frontend, and fullstack developers in a highly collaborative, feedback-driven environment.

  • Improve User Experience: Continuously iterate on UI/UX based on feedback from the team and users.

About the Role 👇🏼


As a Frontend Intern, you’ll work hands-on with our JetAdmin-based platform, collaborating with the product and tech team to deliver internal tools and client-facing features. You’ll help design interfaces, build workflows, and connect data to create real impact from day one.


This isn’t a "fetch coffee and sit in meetings" internship—you’ll be shipping code, shaping products, and getting experience that matters.


  • Build User Interfaces: Use JetAdmin, a modern low-code platform, to create functional and user-friendly frontends.

  • Implement Workflows: Translate business needs into tools that streamline operations and improve campaign delivery.

  • Integrate APIs: Connect backend services and third-party tools to our frontend in clean, scalable ways.

  • Collaborate with the Team: Work closely with backend, frontend, and fullstack developers in a highly collaborative, feedback-driven environment.

  • Improve User Experience: Continuously iterate on UI/UX based on feedback from the team and users.

About You 👇🏼


You don’t need 5 years of experience—we’re looking for someone smart, curious, and ready to learn. You’re probably studying computer science, design, or a related field (or you're self-taught and love building stuff).


You should apply if:


  • You have some experience building frontends—bonus if you’ve used JetAdmin, Retool, or similar platforms.

  • You understand how APIs and databases work together in modern web apps.

  • You care about usability and clean design—not just getting it to work, but making it nice to use.

  • You’re a great communicator and enjoy working in a small, collaborative team.

  • You’re looking for a full-time internship where you’ll do real work and make real contributions.


Nice-to-Haves:


  • Experience with Supabase or Firebase.

  • Understanding of Git and version control workflows.

  • Familiarity with backend tools (Node.js, cron jobs, etc.).

  • Basic UX/UI design skills or an interest in design systems.

What We Offer You 🫵🏻


  • Hands-On Learning: Work with modern tools and frameworks in a real production environment.

  • Mentorship & Feedback: Collaborate with experienced developers who love sharing knowledge.

  • Ownership: Your work will ship. Your decisions will matter.

  • Startup Energy: Fast-moving, high-learning environment where you’ll never be bored.

  • Hybrid Flexibility: We’re remote-first but love co-working when it makes sense.

Ready to build things that matter and grow fast doing it? Apply now and let’s build the future of B2B marketing—together 🎉
Ready to build things that matter and grow fast doing it? Apply now and let’s build the future of B2B marketing—together 🎉
Sid logotype

Person-targeted ad engine helping B2B SaaS scale-ups influence key decision makers and generate warm leads.

Västra Hamngatan 11

411 17 Gothenburg

© 2024 Sid Marketing. Company reg.no 559509-4458

Sid logotype

Person-targeted ad engine helping B2B SaaS scale-ups influence key decision makers and generate warm leads.

Västra Hamngatan 11

411 17 Gothenburg

© 2024 Sid Marketing.

Company reg.no 559430-5855

Sid logotype

Person-targeted ad engine helping B2B SaaS scale-ups influence key decision makers and generate warm leads.

Västra Hamngatan 11

411 17 Gothenburg

© 2024 Sid Marketing.

Company reg.no 559430-5855

Sid logotype

Person-targeted ad engine helping B2B SaaS scale-ups influence key decision makers and generate warm leads.

Västra Hamngatan 11

411 17 Gothenburg

© 2024 Sid Marketing. Company reg.no 559430-5855

Sid logotype

Person-targeted ad engine helping B2B SaaS scale-ups influence key decision makers and generate warm leads.

Västra Hamngatan 11

411 17 Gothenburg

© 2024 Sid Marketing. Company reg.no 559430-5855