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PhysicsX

Senior Software Engineer - Core Services

PhysicsX
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1 day ago
London, United KingdomSenior
H1B Sponsor

Responsibilities

  • Design and implement authentication and authorization systems.
  • Architect and build fine-grained role-based and attribute-based access control models.
  • Own the platform's permissions layer end-to-end.
  • Build and maintain telemetry infrastructure for observability.
  • Define and enforce security standards across APIs and services.
  • Design identity and access patterns for AI agents.
  • Contribute to the design of multi-service architectures.
  • Drive best practices in CI/CD and automated testing.
  • Author and review Technical Decision Records.
  • Mentor junior and mid-level engineers.

Requirements

  • Strong software engineering foundations with a solid grasp of algorithms and system design.
  • Expertise in authentication and identity management systems.
  • Experience implementing RBAC, ABAC, or policy-as-code frameworks.
  • Knowledge of telemetry and observability tools.
  • Strong working knowledge of Kubernetes and GitOps.
  • Experience designing multi-service systems with secure data access patterns.
  • Understanding of agent governance and security awareness.
  • Hands-on experience with CI/CD pipelines.
  • Excellent communication skills for cross-team collaboration.
  • An AI-native mindset and incremental approach to development.

Benefits

  • Equity options to share in the company's success.
  • 10% employer pension contribution.
  • Free office lunches.
  • Enhanced parental leave with full pay.
  • YellowNest nursery scheme for childcare support.
  • 25 days of annual leave plus public holidays.
  • Private medical insurance with 100% employee cover.
  • Wellhub subscription for wellness support.
  • Eye tests for employee health.
  • Dedicated support for personal development.
  • Employee Assistance Programme for wellbeing support.
  • Bike2Work scheme and season ticket loan for commuting.
  • Octopus EV salary sacrifice for sustainable driving.

Tech Stack

C++GoGrafanaHelmKubernetesPrometheusPythonRust

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