Full Stack Engineer

Q1 Technologies, Inc.; Glasgow; On-site; GBP 60,000 - 90,000; Full time

Job summary

Q1 Technologies, Inc. in Glasgow, UK is seeking a Full Stack Developer for a contract role (inside IR35). The position focuses on backend engineering with proficiency in Python, Golang, or Java and involves building schema-driven interfaces from OpenAPI/JSON Schema.

You will configure API gateways (Kong, Envoy, Akamai/CloudFront) and apply GitOps workflows for reliable deployments and automated rollback. Strong CLI and code-editor familiarity is expected.

Qualifications

• Proficiency in backend languages (Python, Golang, or Java).
• Experience with schema-driven UI/services from OpenAPI/JSON Schema.
• Hands-on API gateway configuration (Kong, Envoy, Akamai/CloudFront).
• GitOps-based delivery with automated rollback on failure.
• CLI-driven workflows for gateway onboarding and configuration as code.

Responsibilities

• Develop and maintain backend services in Python, Golang, or Java.
• Build dynamic, schema-driven UIs and services from OpenAPI/JSON Schema.
• Configure API gateways including routes, services, upstreams, and plugins (Kong/Envoy/Akamai).
• Implement GitOps-based delivery with automated rollback on failure.

Skills

Python

Golang

Java

OpenAPI

JSON Schema

GitOps

CLI tooling

Tools

Kong

Envoy

Akamai/CloudFront

drift detection

Job description

Here's the job details about this opportunity.

Job title- Full Stack Developer - 7+ Years

Job type- Contract role with inside IR35

Location-Glasgow, UK-(Onsite)

• 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/CloudFront including routes, services, upstreams, and plugins.

• GitOps model: Hands-on experience with GitOps-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 / CloudFront: 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.