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55 Tech

JavaScript/TypeScript Developer

Hybrid

London, United kingdom

Full Time

06-05-2025

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Job Specifications

JavaScript/TypeScript Developer

Location: London, UK (Remote for now — office opening in a few months)
Job Type: Full Time
Experience: Any (new grads welcome)

About the Role

We are seeking a highly motivated JavaScript Developer to join our growing team. In this role, you will work directly with the entire team to support various aspects of the business, including strategy, operations, coding structure, and more. This is a unique opportunity to work with a dynamic team in a fast-paced environment, gain exposure to all areas of the business, and play a critical role in the company's growth.

Preferred Background

Bachelor’s or Master’s degree in Computer Science, Engineering, Data Science, or a related field.
Strong technical skills, with a focus on JavaScript (familiarity with Python, PostgreSQL, Git, Node.js, React, Supabase, and APIs is a plus).
Excellent written and verbal communication skills.
Entrepreneurial mindset and willingness to take initiative.
Ability to work in a fast-paced, cross-functional environment.

Must Haves

You get things done.
You’re willing to work long hours to achieve goals.
You’re relentless and surpass expectations.
You hold high standards, always putting customers first.
You’re driven, go above and beyond, and strive for excellence.
You communicate clearly and effectively.
You’re not afraid to challenge ideas or disagree when it matters, fostering a team-oriented approach.
You work autonomously and thrive independently.
You’re ready to work hard.
Most importantly, you’re genuinely a nice person.

Benefits

Salary: Depending on location, experience.
Equity opportunities: Potential company shares for excellent performance.
Young and ambitious team: Work alongside peers aged 21–28 from across Europe.
Exciting team retreats: Regular bootcamps in stunning locations (South of France, Italy, etc.).

About 55 Tech

What We Do

At 55 Tech, we’re building the data infrastructure for the sports and esports industries—two of the most dynamic and fast-evolving sectors in entertainment. Launched in late 2023, we’ve been growing at an incredible pace, and this is just the beginning. We are 8 people now at 55 Tech.

Our Vision

We aim to empower organizations of all sizes to access, understand, and leverage sports data with ease, unlocking smarter decisions and new opportunities for growth and innovation.

Funding

We’re proud to be backed by one of the biggest hedge funds in the sports data space, giving us the resources to achieve our ambitious goals.

About the Company

At 55 Tech, we are building the data infrastructure for the sports and e-sports industries, two of the most dynamic and fast-evolving sectors in entertainment. Our vision is to serve every corner of the ecosystem, from startups and student projects to established multinational brands. We aim to empower organizations of all sizes to access, understand, and leverage sports data with ease, driving smarter decisions and unlocking new opportunities for growth and innovation. Know more