Back End Integration Engineer

VIQU IT; City Of London; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading IT consultancy is seeking a Back End Integration Engineer to modernise its cloud-based applications and automate business processes. This role involves designing and implementing secure integrations and APIs, working closely with various technical teams. Ideal candidates will have extensive experience in API development, cloud services, and problem-solving capabilities. The position is contract-based with a hybrid work model in London, offering a dynamic opportunity to impact digital transformation.

Benefits

Referral bonus up to £1,000

Hybrid work model

Qualifications

• Proven experience designing and building APIs and services.
• Strong understanding of RESTful APIs and event-driven architectures.
• Proficiency in C# and Python with a focus on secure coding.

Responsibilities

• Design and implement integrations between internal systems and cloud services.
• Build and enhance APIs and workflows.
• Monitor integration performance and improve system observability.

Skills

Designing and building APIs

Integration patterns knowledge

Cloud integration services (Azure)

Back-end development (C#, Python)

CI/CD pipelines experience

Analytical and problem-solving skills

Data modeling

Legacy system integration

Tools

Azure API Management

Service Bus

Event Grid

Azure Functions

Job description

Back End Integration Engineer Hybrid Inside IR35

We are seeking a Back End Integration Engineer to support a major modernisation programme, delivering secure, scalable and reliable integrations across the organisation. This role focuses on improving how data and applications interact, enabling more efficient operations and supporting long‑term business growth.

The Back End Integration Engineer will play a key role in modernising cloud-based applications and automation capabilities that underpin underwriting, operational processes and digital transformation. Working as part of the Digital Solutions team, you will design, build and maintain APIs, services and integration patterns that connect systems across the business.

Back End Integration Engineer Key Responsibilities

• Design and implement integrations between internal systems, cloud services and third‑party vendor platforms.
• Build, enhance and support APIs, messaging components, orchestration workflows and data access layers.
• Develop high‑quality, secure and maintainable code using approved tools and languages (such as C# and Python).
• Contribute to CI/CD pipelines, automated testing and peer code reviews.
• Collaborate with Product Owners, Analysts, Application Engineers, Data Engineers and Architects to translate business requirements into robust integration solutions.
• Monitor integration performance, reliability and system dependencies.
• Identify opportunities to simplify architecture, improve automation and enhance system observability.

Back End Integration Engineer Skills & Experience

• Proven experience designing and building APIs, services and system integrations.
• Strong understanding of integration patterns, including RESTful APIs, messaging, event‑driven architectures and orchestration.
• Experience with cloud integration services such as Azure API Management, Service Bus, Event Grid and Azure Functions.
• Proficiency in back‑end development (e.g. C#, Python) with a strong focus on secure coding practices.
• Hands‑on experience with CI/CD pipelines, automated testing and modern software engineering practices.
• Strong analytical and problem‑solving skills, with the ability to work effectively across technical and business teams.
• Good understanding of data flows, data modelling and system interoperability.
• Experience integrating with legacy systems and/or third‑party vendor platforms.

Role Overview

• Position: Back End Integration Engineer
• Type: Contract
• Location: London Hybrid 2/3 days per week onsite
• IR35 Status: Inside IR35

Apply now to speak with VIQU IT in confidence. Or reach out to Phoebe Thompson via the VIQU IT website.

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