Senior Software Engineer - Enterprise Platform

Xpand Group; Remote; GBP 125,000 - 150,000; Full time

Job summary

A technology consultancy is seeking a Senior Software Engineer (Contract) to work on their enterprise platform. This remote role requires expertise in TypeScript and GraphQL, and focuses on building secure workflows and scalable APIs. Ideal candidates will have extensive experience delivering enterprise-grade software in fast-paced environments. The role operates outside IR35, appealing to seasoned contractors looking for new challenges.

Qualifications

• Senior-level experience building enterprise-grade software.
• Proven experience with AWS and GCP.
• Deep understanding of auth, APIs, concurrency, and system reliability.

Responsibilities

• Design and build secure, multi-user enterprise workflows.
• Develop scalable, high-concurrency GraphQL APIs.
• Implement role-based access control, audit logs, and data integrity.
• Build reliable, event-driven systems.

Skills

TypeScript

GraphQL

PostgreSQL

AWS

GCP

Job description

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Job Title: Senior Software Engineer (Contract) - Enterprise Platform
Location: Remote
Contract: Outside IR35
Department: Engineering

Overview

Pynea is an enterprise interview intelligence platform replacing slow, fragile enterprise software with fast, secure, scalable systems. This is a senior contract role for an engineer who can onboard fast, work with evolving requirements, and ship production-grade enterprise features with minimal direction.

Responsibilities

• Design and build secure, multi-user enterprise workflows
• Develop scalable, high-concurrency GraphQL APIs
• Implement role-based access control, audit logs, and data integrity
• Build reliable, event-driven systems (queues, retries, idempotency)
• Contribute to cloud-native architecture across AWS and GCP
• Ensure system reliability through monitoring, logging, and error handling

Required Skills & Experience

• Senior-level experience building enterprise-grade software
• Strong TypeScript, GraphQL, and PostgreSQL experience
• Proven experience with AWS and GCP
• Deep understanding of auth, APIs, concurrency, and system reliability
• Track record of delivering scalable systems to real users
• Comfortable operating in fast-paced environments with incomplete requirements

Contract Details

• Outside IR35
• Remote
• Senior-level contract

*Rates depend on experience and client requirements