Full Stack Engineer

Job in Greater London, London, Greater London, W1B, England, UK

Listing for: Evantis Consulting

Full Time position
Listed on 2026-09-12

Job specializations:

Software Development
Backend Developer

Salary/Wage Range or Industry Benchmark: 75000 - 110000 GBP Yearly GBP 75000.00 110000.00 YEAR

Required qualifications, capabilities, and skills

Backend engineering: Proficiency in one or more backend languages Python, Golang, or Java.
Schema-driven experiences: Experience building dynamic, schema-driven UIs and services from structured contracts such as the OpenAPI Specification (OAS) or JSON Schema.
API gateway configuration: Professional experience configuring API gateways - Kong, Envoy, Akamai/Cloud Front including routes, services, upstreams, and plugins.
Git Ops model: Hands-on experience with Git Ops-based delivery - author intent → PR → validate → merge → reconcile — with automated rollback on failure.
CLI & code-editor tooling: Comfort with CLI-driven and code-editor–based workflows for gateway onboarding - authoring, validating, and committing configuration directly as code.

Preferred qualifications, capabilities, and skills

Kong: Deep, hands-on experience with Kong API Gateway (plugins, consumers, upstreams, schema validation).
Envoy: Hands-on experience with Envoy Proxy or Envoy Gateway (routes, filters, and configuration).
Akamai / Cloud Front: Familiarity with edge configuration (CDN, WAF, GTM, certificates, property versioning/activation).
Config reconciliation & drift: Experience building drift detection and desired-state reconciliation between Git and live systems.

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