Principle Developer

ID-wareLondon, United Kingdom11 months ago

We are seeking a hands-on Principal Developer to work closely with the CTO and senior technical colleagues across the UK and wider group. You will lead the design, build, and continuous improvement of our enterprise PIAM platform, enabling the management of physical identity data, secure credentials, and access control at scale.

This is a senior technical leadership role, combining hands-on engineering with architectural decision-making, technical governance, and thought leadership. You will be responsible for shaping best practices, mentoring senior developers, and ensuring delivery of performant, secure, and maintainable systems in an agile environment.

Key Responsibilities

Define and evolve the architecture of our PIAM platform
Lead design and implementation of microservices using Node.js, TypeScript, and Fastify
Establish coding standards, architectural patterns, and documentation practices
Create and maintain Architecture Decision Records (ADRs)
Champion secure-by-design principles and ensure scalability for high-concurrency, large-scale deployments
Build and own secure, scalable backend services (Node.js, TypeScript, PostgreSQL)
Implement frontend components using React and/or Angular
Take ownership of CI/CD pipelines, deployment workflows, and infrastructure readiness
Deliver robust observability, monitoring, and logging across services
Design for multi-tenant performance, resilience, and runtime security
Implement integrations with enterprise systems, workflow platforms, and related infrastructure
Mentor and guide senior developers, fostering a culture of engineering excellence
Lead code reviews and maintain high-quality standards
Participate in and lead solution design sessions
Guide agile delivery, backlog refinement, and sprint planning
Collaborate effectively with cross-functional teams across multiple geographies
Maintain API response performance consistently under 200ms (p95)
Define and execute comprehensive test strategies (unit, integration, E2E)
Ensure system observability and rapid fault diagnosis
Drive continuous improvement in development processes and product quality

Essential Requirements

Expert proficiency in TypeScript, Node.js, REST and WebSocket API design
Proven experience designing and delivering microservices architectures
Strong experience with PostgreSQL, Redis, and message queues (RabbitMQ or similar)
Knowledge of containerisation (Docker) and orchestration (Kubernetes)
Skilled in OpenAPI-first development and secure API design
Practical experience with authentication protocols (OIDC, OAuth 2.0, JWT)
Ideally, experience in cloud-native development and integration across hybrid or multi-cloud environments
Experience integrating complex enterprise systems and APIs
Understanding of workflow automation platforms and process orchestration
Familiarity with data synchronisation, transformation, and interoperability standards
Proven ability to design solutions that span multiple enterprise platforms and services
Demonstrated ability to lead and mentor development teams
Strong contributor to architectural decision-making
Excellent communicator with technical and non-technical stakeholders
Skilled at working across distributed teams and international collaboration
Comfortable working in agile, sprint-based delivery environments
Must be UK based and eligible to hold or currently hold UK Government Security Clearance (SC or above)

Highly Desirable

Experience with frontend frameworks (React, Angular, Next.js, Remix)
Knowledge of workflow engines and process automation
Familiarity with service mesh technologies (Istio)
Experience with observability tooling (OpenTelemetry, Prometheus, Grafana)
Exposure to mobile platform development (iOS, Android)
Background in identity, access control, or secure credential management
Understanding of regulatory and compliance frameworks (GDPR, SOC2)
Experience with advanced authentication methods (FIDO2, Passkey, PKI)
Experience with enterprise system integration and data transformation
Supporting legacy system migration and modernisation programmes
Familiarity with data synchronisation and workflow orchestration patterns

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FAQ

Is the Principle Developer position at ID-ware remote?: Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this Principle Developer job posted?: This listing was posted on September 29, 2025 and is still open for applications.
How do I apply for the Principle Developer position at ID-ware?: Use the apply button on this page — it takes you directly to the employer’s application page.