Application Developer

N Consulting Limited; Sheffield; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading technology consulting firm is seeking a highly skilled Application Developer to focus on identity API development, data ingestion, and event-driven architectures. This role involves designing secure identity workflows on Google Cloud Platform and requires strong programming skills in Python, Go, Java, or Node.js. The ideal candidate should have a Bachelor’s degree and experience with identity orchestration platforms. This position offers a dynamic work environment with opportunities for collaboration with various engineering teams.

Qualifications

• Proven experience with modern identity orchestration platforms.
• Strong programming skills in Python, Go, Java, or Node.js.
• Experience designing and deploying cloud-native APIs.

Responsibilities

• Design and implement identity flows for provisioning and orchestration.
• Build and secure RESTful APIs supporting identity workflows.
• Develop pipelines for asynchronous workflow events.

Skills

Identity orchestration platforms

Python

Go

Java

Node.js

Terraform

OAuth2

OIDC

JWT

SAML

Event-driven architecture

Education

Bachelor’s degree in computer science or related field

Tools

Cloud Functions

Cloud Run

Terraform

GKE

ServiceNow

Job description

LocationSheffield, United Kingdom# Application Developer at N Consulting LtdLocationSheffield, United KingdomSalary£450 - £500 /dayJob TypeFull-timeDate PostedJanuary 12th, 2026Apply Now**Role:** Application Developer**Experience:** 10years**Location:** Sheffield, UK**Work mode:**(3 days WFO weekly)**Role Summary**We are looking for a highly skilled **Application Developer** with strong expertise in **identity API development, data ingestion and transformation, and event-driven (Pub/Sub) architectures**. This role focuses on building secure, scalable identity and access workflows across Google Cloud Platform, integrating identity services with custom APIs, Pub/Sub pipelines, and cloud-native applications.You will collaborate closely with tech leads, Cloud Security, DevOps, and Application Engineering teams to design and implement robust IAM automation, identity lifecycle workflows, and secure service integrations that support enterprise-level cloud and Identity operations. **Key Responsibilities**1. **Identity Orchestration*** Design and implement **identity flows** for provisioning, de-provisioning and orchestration of identity lifecycle events.* Integrate with Cloud Identity Services, ServiceNow, and internal services to streamline / orchestrate identity provisioning and identity lifecycle management.* Build **policy-based orchestration workflows** for adaptive authentication and context-aware access using industry standards (like OPA). 1. **API Development*** Design, build, and secure **RESTful APIs** and backend services supporting identity, provisioning, and governance workflows.* Integrate APIs with our new authentication service for token validation, user sessions, and application-level authorization.* Build and document internal SDKs, middleware, and shared libraries for consistent IAM logic across services.* Ensure API security, performance, reliability, resilience, and observability. 1. **API-to-Pub/Sub Event Processing*** Develop pipelines where **API events publish to Pub/Sub** for asynchronous workflows such as: + automated identity lifecycle tasks + access review event triggers + logging and audit forwarding + security anomaly detection* Build Cloud Functions, Cloud Run microservices, or containerized services to process Pub/Sub messages.* Implement robust event-processing patterns including retries, idempotency, DLQs, and structured logging. 1. **Automation & Infrastructure as Code*** Build and maintain Terraform modules for **IAM, API services, Pub/Subtopics, workloads, and permissions**.* Automate deployment and validation of identity and access configurations via CI/CD pipelines.* Implement automated testing for IAM policies and API behaviour. 1. **Support, Troubleshooting & Collaboration*** Troubleshoot identity, access, and API workflow issues across distributed systems.* Provide technical guidance to engineering teams on secure API design, IAM best practices, and identity workflows.* Work with security teams during audits, compliance checks, and incident investigations. **Required Skills & Experience****Technical Expertise*** Proven experience with modern identity orchestration platforms (Auth0 Actions, Okta Workflows, WorkOS, or SlashID)* Strong programming skills in **Python, Go, Java, or Node.js** for API and microservice development.* Experience designing and deploying **cloud-native APIs** (Cloud Run, Cloud Functions, GKE).* Deep understanding of **event-driven architectures**, Pub/Sub, message processing, and workflow automation.* Strong knowledge of **OAuth2, OIDC, JWT, SAML**, and identity federation patterns.* Proficiency in **Terraform** or equivalent IaC tools.* Experience using API gateways, reverse proxies, or service mesh technologies. **Soft Skills*** Analytical thinker with strong debugging and root-cause analysis abilities.* Clear communication skills with the ability to collaborate across engineering, security, and operations teams.* Ownership mindset, with a security-first mentality and attention to detail.* Ability to work in an agile, fast-paced environment. **Nice-to-Have*** Google Professional Cloud Security Engineer or Cloud Architect certification.* Experience with additional identity providers (Okta, Azure AD, Ping Identity).* Familiarity with Kubernetes (GKE RBAC + workload identity).* Experience using Secret Manager, Vault, or other secrets management tools.* Knowledge of compliance frameworks (SOC2, ISO 27001, PCI, HIPAA). **Education*** Bachelor’s degree in computer science, Engineering, Information Security, or equivalent hands-on experience.