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Principal Software Engineer

Fleet, England, United Kingdom💼 Full-time🗓 2026-07-15 → 2026-08-01

Core

Providing technical leadership and architectural vision for a multi-platform application estate (Next.js web, React Native mobile, and backend microservices) to ensure alignment, scalability, and cohesive system evolution.

Role type

Principal Software Engineer (Architect & Technical Lead)

Builds

Next.js web client, React Native mobile app, and RESTful backend microservices

Domain

SaaS / Job Search Platform / Full-Stack Engineering

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

System design, API lifecycle management (REST/OpenAPI), event schema governance, cross-team technical influence, architectural strategy, full-stack web development, technical documentation

Preferred skills

Next.js, React, React Native, MongoDB, PayloadCMS, AWS, Kubernetes, Go, Perl, PHP, MySQL, Elasticsearch

Technologies

Next.js, React, React Native, MongoDB, PayloadCMS, AWS, Kubernetes, Go, Perl, PHP, MySQL, Elasticsearch, OpenAPI

Responsibilities

Own and evolve interface specification lifecycle (REST APIs and event schemas), provide technical influence over Next.js and React Native implementation, define and manage engineering standards, translate architectural vision into practical approaches, maintain oversight across web/mobile/backend domains, build proofs of concept to de-risk delivery, bridge teams to ensure system alignment, identify cross-cutting technical risks, mentor engineers in systems thinking, contribute hands-on to unblock complex changes

Seniority

Principal, strategic architecture & hands-on leadership

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