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Junior Software Developer

FIOR GroupUnited Kingdom🇬🇧United KingdomPosted 19 Sept 2026

Why This Role Stands Out

This remote Junior Software Developer role offers an exceptional opportunity to build cutting-edge AI trust infrastructure and gain broad experience across frontend, backend, and AI inference. You'll thrive here if you're AI-fluent with a passion for secure software development and eager to contribute to a renowned company shaping the future of AI. Apply to embark on a rewarding career journey with a talented, senior team.

Quick Overview

Seniority
Junior
Work mode
Remote
Location
United Kingdom
RustLLM

Job Description

FIOR.Group Limited builds the trust infrastructure for the AI age. Our flagship product, the FIOR AI Gateway, acts as SSL for AI — giving enterprises certificate-based identity, policy enforcement, and quantum-safe cryptography for autonomous AI agents. The platform pairs a high-performance Rust gateway agent with a multi-tenant control plane and role-specific portals, used by regulated organisations across finance, energy, defence, and aerospace.

The Role

We're hiring an AI fluent, hands on junior software developer to build and evolve the FIOR AI Gateway product end-to-end. Working in a small, senior team, you'll design and ship secure product features across the frontend, backend, core services, and AI inference layer. This is a fast paced software engineering role focused on product development, code quality, and technical problem-solving.

What You'll Do

  • Design and integrate AI capabilities using hosted and self-hosted models.
  • Build robust backend services.
  • Develop well-structured APIs, domain models, and application services.
  • Maintain and extend the current codebase.
  • Build user-facing accessible features.
  • Improve software quality through code review and secure coding practices and provide high quality technical documentation.
  • Collaborate with product, security, and customer-facing colleagues to turn complex requirements into reliable, maintainable software and support technical demonstrations when needed.

Required Skills & Experience

  • AI/LLM Development: Hands-on experience with LLMs.
  • Backend Development: Experience designing APIs and data-intensive services.
  • Core and Systems Development: Able to read, modify, test, and extend a non-trivial services.
  • Frontend Development: 1+ years building production web applications with accessible components.
  • Software Architecture & Security: Good understanding of modular design.
  • Communication: Clear written and verbal communication, sound engineering judgement, and the ability to work independently.

What We Offer

  • Visible impact on a category-defining product, at the intersection of AI, cryptography, and enterprise security.
  • Competitive base salary.
  • Fully remote flexibility with regular in-person meet-ups.

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