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# Principal Software Engineer

- **Company:** Trust In Soda Ltd
- **Location:** London, UK
- **Salary:** £120,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Cloud Computing Security, Cyber Security, Relational Databases, Distributed Systems, Identity and Access Management, PostgreSQL, Role-Based Access Control, Zero Trust Network Access, JSON Web Token, Security Assertion Markup Language (SAML), Software Security, Backend, Build Management, Kubernetes, Golang, Microservices
- **Published:** May 28, 2026
- **Apply:** https://www.trustinsoda.com/jobs/principal-software-engineer-35121745

## About the Role

* Strong backend development experience in Golang
 * Deep expertise in IAM protocols (OAuth2, OIDC, SAML, JWT) and security architecture.
 * Experience implementing RBAC and Zero-Trust principles
 * Experience in Application Security Design
 * Experience building an IAM platform or major IAM components from the ground up would be a huge plus.
 * Experience with microservices, distributed systems, and relational databases (PostgreSQL).

## Description

We've partnered exclusively with a scaling infrastructure company that's fundamentally transforming how digital and physical components interact in the age of AI. Their core mission is to empower teams to build and deploy sophisticated systems by providing scalable, secure, and robust infrastructure solutions for development, deployment, and scaling.

They're looking for a Principal Security Engineer to lead the architecture and development of its next-generation cloud security platform.
This is a high-impact, hands-on role where you'll design and build a full Identity & Access Management (IAM) platform from scratch-powering secure access, identity federation, and zero-trust controls for large-scale AI systems.

You'll shape the security foundation of a cutting-edge cloud platform, working across core backend services and collaborating with infrastructure and ML teams. Expect huge technical ownership, complex distributed problems, and the chance to influence engineering standards across the organisation.


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