Lead Integration Engineer & Developer

A fast-growing Legal and Financial Services company based in Liverpool is requires a hands-on Lead Integration Engineer & Developer to take ownership of their growing integration platform connecting core internal systems with external partners and services. This is a high-impact role combining deep technical delivery with architectural leadership. Youll spend a significant portion of your time building production systems, while also shaping the future of their integration ecosystem.
A high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible.

The platform is built around HubSpot and a modern event-driven architecture in AWS, and youll play a key role in defining how they design APIs, process events, and scale integrations across the business.

The role is paying £90,000-£100,000 plus good benefits and is a hybrid role (3 days in the office 2 working from home), but with attendance in the central Liverpool office encouraged given the nature of the role and the team management aspect.

Technology Environment

Core Stack

  • AWS (Lambda, API Gateway, EventBridge, SQS, SNS)
  • Node.js / TypeScript and Python

Data & Infrastructure

  • DynamoDB, RDS
  • Infrastructure as Code (Terraform, CDK, CloudFormation)
  • CloudWatch and observability tooling

Integrations

  • HubSpot (CRM)
  • Internal microservices and external APIs

Required Experience

  • Significant experience in backend or platform engineering
  • Strong hands-on AWS experience (serverless preferred)
  • Proven experience with distributed, event-driven systems
  • Experience integrating with third-party APIs
  • End-to-end ownership of systems (design/build/operate)

Technical Expertise

  • Event-driven architecture (EventBridge, SQS, SNS, Kafka)
  • Reliability patterns (retries, idempotency, DLQs)
  • Observability and debugging in distributed systems xkybehq
  • Data modelling and schema evolution

Leadership & Collaboration

  • Ability to lead technical design and influence architecture
  • Experience mentoring engineers
  • Strong communication across technical and non-technical teams
  • Comfortable in a fast-paced, evolving environment

Desirable

  • Experience with HubSpot or CRM integrations
  • Ownership of internal integration platforms
  • High-volume event ingestion or real-time pipelines
  • Containerisation (Docker, ECS, Kubernetes)
  • Observability tools (Datadog, OpenTelemetry)

Job Details

Company
Ashdown Group
Location
Warrington, Cheshire, UK
Hybrid / Remote Options
Posted