Senior Full-Stack Engineer — Build Scalable HR Tech

Abundant Code; Greater London; Hybrid; GBP 85,000 - 120,000; Full time

Benefits offered by this job

Market-leading compensation

25 days paid time off

Share Options

Quarterly team events

Top tier private health/vision/dental

MacBook and tools

Enhanced parental leave

Learning & development budget

Job summary

Humaans is seeking a Senior Software Engineer to help build and evolve our platform as we scale. You will own both product and technical decisions, shaping features from concept to production across frontend and backend, and collaborating closely with Product and Design.

The role emphasizes end-to-end ownership, pragmatic decision-making, and high-quality foundations to support rapid growth. You’ll work in a hands-on environment that values shipping meaningful value for customers.

Qualifications

• Multiple years of industry experience building full-stack web applications, ideally within SaaS.
• Strong TypeScript knowledge and a genuine appreciation for the language.
• Experience across backend and frontend systems from idea through to production.
• Strong product instincts and an appreciation for design, usability and digital product craftsmanship.
• Experience collaborating directly with Product and Design rather than working from requirements in isolation.
• Proven track record of shipping work that creates meaningful value for customers or users.
• Ability to balance speed with quality and invest in stronger foundations when needed.

Responsibilities

• Shape product features from early definition through implementation, release and iteration.
• Build end-to-end customer-facing features across frontend and backend.
• Write backend TypeScript across Node, Postgres, Redis and Kubernetes.
• Build frontend experiences using TypeScript and React.
• Fix bugs, improve infrastructure and strengthen the foundations for rapid progress without quality loss.
• Expand our third-party integration marketplace and connect with the wider HR tech ecosystem.
• Contribute to technical architecture decisions as the product scales.
• Work with Product and Design to turn ideas and problems into high-quality experiences.
• Support customers when engineering input is needed.

Skills

Full-stack development

TypeScript

Production-grade software

Product collaboration

Software architecture

Tools

TypeScript

React

Node

PostgreSQL

Redis

Job description

Humaans is seeking a Senior Software Engineer to help build and evolve our platform as we scale. You will own both product and technical decisions, shaping features from concept to production across frontend and backend, and collaborating closely with Product and Design.

The role emphasizes end-to-end ownership, pragmatic decision-making, and high-quality foundations to support rapid growth. You’ll work in a hands-on environment that values shipping meaningful value for customers.