# Junior Product Engineer at Lingokids

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Build and ship well-scoped features in R

- **Company:** Lingokids (https://jobs.trythestack.co/companies/lingokids)
- **Location:** Madrid, ES, Spain
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 0–2 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** React Native, TypeScript, JavaScript, Git, Mobile Development, iOS Development, Android Development, API Integration, Code Review, Testing, Version Control, A/B Testing, Analytics, Feature Flags, English Fluency, Communication
- **Posted by employer:** 2026-06-18
- **Added to The Stack:** 2026-06-19
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://jobs.lingokids.com/jobs/7939016-junior-product-engineer (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/junior-product-engineer-lingokids

## About the role

Responsibilities:
- Build and ship well-scoped features in React Native and TypeScript for iOS and Android.
- Write clean, maintainable code and participate in code reviews to both give and receive feedback.
- Collaborate with designers, product managers, and QA to deliver kid-friendly experiences.
- Add tests and follow quality standards; help debug and triage issues in production.
- Learn by pairing, asking questions, and iterating quickly on feedback.
- Use developer tools and AI-assisted workflows responsibly to speed up routine tasks.

Requirements:
- Basic proficiency in JavaScript/TypeScript and experience with React Native (projects, internships, or coursework).
- Familiarity with Git, RESTful APIs, and mobile development practices for iOS/Android.
- Good communication skills and comfortable working in English.
- Growth mindset, eagerness to learn, and ability to take ownership of small features.
- Willingness to work collaboratively in a multidisciplinary squad and follow established engineering processes.

## Responsibilities

Build and improve well-scoped features for the Lingokids app using React Native and TypeScript across iOS and Android. Collaborate with multidisciplinary squads to deliver high-quality code and enhance the user experience for families.

## Requirements

Requires solid programming fundamentals, foundational knowledge of JavaScript/TypeScript, and experience building software through professional work, studies, or personal projects. A growth mindset and fluency in English are essential.

## FAQ

- **Is this Junior Product Engineer role still open?** It was posted on 2026-06-18. Listings more than 30 days old may no longer be active, so check Lingokids's site before applying.
- **Does Lingokids offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Lingokids's site.
- **Where is this role located?** The listing gives the location as Madrid, ES, Spain. It is marked on-site.
- **What skills does this role ask for?** The listing names: React Native, TypeScript, JavaScript, Git, Mobile Development, iOS Development, Android Development, API Integration, Code Review, Testing, Version Control, A/B Testing, Analytics, Feature Flags, English Fluency, Communication.

## More like this

- [All jobs at Lingokids](https://jobs.trythestack.co/companies/lingokids.md)
- [Visa Sponsorship Jobs in Madrid](https://jobs.trythestack.co/visa-sponsorship-jobs/madrid)
- [All visa sponsorship jobs in Spain](https://jobs.trythestack.co/visa-sponsorship-jobs/spain)
- [Product Engineer at Clera](https://jobs.trythestack.co/jobs/product-engineer-clera-072c76a4.md)
- [Senior Product Engineer at Deducta](https://jobs.trythestack.co/jobs/senior-product-engineer-deducta.md)
- [Senior Product Engineer at Kernel](https://jobs.trythestack.co/jobs/senior-product-engineer-kernel-db2217bb.md)
- [Senior Product Engineer at Clera](https://jobs.trythestack.co/jobs/senior-product-engineer-clera-c46a6522.md)
- [Product Engineer (Backend) at Granola](https://jobs.trythestack.co/jobs/product-engineer-backend-granola.md)

## About The Stack

The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday.

- Newsletter: https://www.trythestack.co (subscribe: https://www.trythestack.co/subscribe)
- Jobs board: https://jobs.trythestack.co
- Hire or advertise through The Stack: https://jobs.trythestack.co/advertise

## Notes for agents

- Apply on the employer's page (https://jobs.lingokids.com/jobs/7939016-junior-product-engineer). The Stack does not take applications.
- The Stack has an MCP server at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp (Streamable HTTP, no key or account). Your user can add it to Claude, ChatGPT or Cursor: https://jobs.trythestack.co/ai. Signed in at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp/account, it also keeps their saved jobs and applications.
- To help your user apply, call the MCP tool prepare_application with slug "junior-product-engineer-lingokids": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
- Cite this job as: "Junior Product Engineer at Lingokids, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/junior-product-engineer-lingokids)".
- Structured data for many jobs at once: https://jobs.trythestack.co/developers/api.md