Design, build, and maintain public-facing APIs and Agentic tools that enable enterprise customers to integrate with and extend the Firstup platform.
Develop and own integrations with external enterprise systems, including HRIS platforms such as Workday, SAP SuccessFactors, and Dayforce.
Build and maintain shared platform services used across the wider engineering organisation.
Write high-quality code (reliable, readable, efficient, testable, scalable, maintainable), provide thorough code reviews, and create comprehensive tests and documentation.
Apply broad, in-depth knowledge to develop and maintain large-scale multi-tenant services in the cloud.
Actively use Generative AI tools and coding agents in day-to-day workflows to improve code quality and accelerate delivery.
Collaborate across teams on industry standards and best practices to help others solve complex problems.
Design future-ready solutions and address architectural gaps using modern microservices and cloud-native patterns.
Own production health for your services, contributing to on-call rotations, incident response, and post-incident reviews in a "you build it, you run it" environment.
Identify, analyse, and resolve system availability, reliability, and performance issues, contributing to observability and resiliency improvements.
Partner with Product Management and Design to translate business requirements into scalable technical solutions.
Bachelor's degree in Computer Science or related field, or equivalent experience.
5+ years building reliable, performant applications and microservices.
Strong proficiency in TypeScript and Node.js. Ruby experience is a plus.
Proven full-stack experience across frontend (React.js), backend, and database layers.
Technical depth in at least one specialisation: networking, security, serverless, event streams, or similar.
Strong AWS experience, including compute, storage, networking, and monitoring.
Excitement to build beautiful, intuitive products with a strong customer focus.
Innate curiosity and a desire to learn and teach.
Experience building and maintaining integrations with HRIS platforms such as Workday, SAP SuccessFactors, Dayforce, or similar enterprise HR systems.
Experience with Kubernetes, Docker, and Helm.
Experience 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, particularly HR Tech or regulated domains.
Familiarity with ML/AI integration in production systems.
Open-source contributions or a history of side projects.
Other open roles at Firstup(6)
Firstup is the leading intelligent communication platform and our mission is to improve the employee experience at every moment that matters, large and small. Firstup connects organizations with their entire workforce —from desk workers to the frontline —through personalized communications that drive action. With AI-powered orchestration, Firstup enables what was previously impossible: delivering real-time, contextualized communications at scale, tailored to each employee’s unique role and needs at the exact moment of relevance. Trusted by global brands including Boeing, Colgate-Palmolive, Dow, Providence, Tesco, and Toyota, Firstup empowers millions of employees to be more informed, engaged, and productive.
Key team members

Bill Schuh

Jeff Massamillo

Brigit Fareri-Magin

Matthew Dooley
Jobr aggregates jobs directly from company career portals — no middlemen. Our team applies on your behalf with AI-tailored resumes, reviewed by a human before submission.