Firstup

Product Engineering

SoftwareEngineer,Fullstack(UK)

£75–110k ~AI est. United Kingdom FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Software Engineer, Fullstack (UK) at Firstup. Skills: Fullstack development, API design, Cloud services. Contribute to design, development, and maintenance of public-facing. Build and maintain integrations with external enterprise systems”

What You'll Achieve.

Deliver customer value

Industry & Context.

Product Engineering
Problems you'll solve

Solve problems

Eligibility Requirements

On-call rotations

What They're Looking For.

Must Have

Bachelor's degree in Computer Science or related field, or equivalent experience, 3-5 years building reliable, performant applications and microservices, Proficiency in TypeScript and Node.js, Experience across frontend, backend, and database layers, AWS experience, including core compute, storage, and networking services, Curiosity, a desire to learn, and openness to feedback, Focus on customer experience in the work you deliver

Nice to Have

Ruby experience is a plus, Experience with HRIS integrations, such as Workday, SAP SuccessFactors, Dayforce, or similar platforms, Experience with Kubernetes, Docker, and Helm, Familiarity with Datadog or similar observability and monitoring platforms, Demonstrated use of Generative AI tools or coding agents in development workflows, Experience in enterprise SaaS organisations, Open-source contributions or a history of side projects

What You'll Do.

and maintenance of public-facing

Build and maintain integrations with external enterprise systems

Support shared platform services

and well-documented code

Participate in code reviews

Work within large-scale multi-tenant cloud services

Develop understanding of scalability and fault-tolerance

Use Generative AI tools and coding agents in

Improve code quality and delivery speed

Collaborate with teammates and cross-functional partners

Solve problems and deliver customer value

Contribute to production health

Participate in on-call rotations

Identify and help resolve availability issues

Identify and help resolve reliability issues

Identify and help resolve performance issues

How You'll Work.

Team & Collaboration

Cross-functional partners; Teammates

Full Job Description

## Description 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. ## Responsibilities Contribute to the design, development, and maintenance of public-facing APIs used by enterprise customers. Build and maintain integrations with external enterprise systems, including HRIS platforms such as Workday, SAP SuccessFactors, and Dayforce. Support shared platform services used across the engineering organisation. Write clean, well-tested, and well-documented code, and participate in code reviews. Work within large-scale multi-tenant cloud services, developing your understanding of scalability and fault-tolerance. Use Generative AI tools and coding agents in day-to-day workflows to improve code quality and delivery speed. Col

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