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firstup

Sr. Software Engineer, Fullstack (UK)

🇬🇧 Remote, GB Remote IT Posted Apr 17, 2026
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LocationRemote, GB
WorkplaceRemote
CategoryIT
IT CategoryFull Stack Engineer
LanguageEnglish
PostedApril 17, 2026
Last verifiedMay 17, 2026

Salary context for this role

JobGrid.eu combines visible employer pay, official public benchmarks, and current JobGrid listings for Full Stack Engineer.

JobGrid observed

Similar listings

GBP 72,500 - 115,000 / year

Based on 30 current public JobGrid listings with comparable role and location signals.

Source
JobGrid.eu public listings
Geography
Country-level
Match quality
High confidence comparable role
Data period
Current active listings
Sample size
30
Latest listing
May 5, 2026
Checked by JobGrid
May 17, 2026

JobGrid listing details

JobGrid.eu keeps the employer description in its original language and adds clear listing facts, freshness, and source context so candidates can evaluate the role before applying.

Key details
1 location, IT, Full Stack Engineer, Remote
Current openings
6 active jobs
Original language
English
Source and freshness
Collected from public career pages and reviewed through JobGrid.eu source availability checks. Last verified: May 17, 2026.
Apply path
JobGrid.eu sends candidates to the original application page and adds non-personal referral parameters.
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.

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