Firstup

Software Engineer, Fullstack (UK)

Remote - UK

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hirly's read of this role

Role family: Engineering
Seniority: Mid level
Country: GB
Work mode: Remote-friendly
First seen by hirly: 21 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

Who We Are

At Firstup, our mission is to improve the employee experience at every moment that matters, large and small. As the communication pipeline for the world's workforce, we now serve 40 of the Fortune 100 companies, reaching and connecting more than 17 million employees daily.

Our employees are experts in the employee experience, workforce communications and technology.

Joining Firstup means joining a movement to make work better for every worker. As the world’s first intelligent communication platform, Firstup meaningfully engages employees at every moment from hire to retire, and delivers engagement insights to help companies support, promote and retain their talent. Our movement has taken root and is evident in our world-class customer base. Now we need your help. Ready to make a difference in the world?

Job Summary

The Sr. Software Engineer will join the team responsible for Firstup's public APIs, Agentic tools, third-party integrations with enterprise systems such as HRIS platforms, and shared platform services. You will deliver innovative, scalable solutions while constantly improving our approach to architecture, scale, availability, and fault-tolerance. You are an active user of Generative AI tools and coding agents, applying them daily to accelerate delivery and improve code quality.

Original posting on Firstup's site ↗

Listed on hirly, a job board. hirly is not the employer: Firstup is hiring for this role.

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