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developrec

Lead Integration Engineer

Hybrid

London, United kingdom

Senior

Freelance

12-09-2025

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Skills

Communication Leadership Python SQL CI/CD Version Control Problem-solving Architecture Integration Architecture AWS

Job Specifications

Lead Integration Engineer (Contract)

Contract Length: ~6 Months

Location: Hybrid, with an expectation to spend approximately one day per week on-site in Stratford, London

Day Rate: Up to PS500

Start Date: End of September

Interview Process: Initial interview followed by one or two client interviews

This role requires a highly skilled, hands-on Lead Integration Engineer with significant experience in AWS, Python, and integration platforms.

The successful candidate will provide both technical and thought leadership, driving integration initiatives in a complex and evolving environment.

Key Responsibilities

Scope, design, and build integrations across third-party platforms leveraging AWS infrastructure
Develop and maintain scalable data pipelines using Python, ensuring data quality, consistency, and reliability
Ensure secure and efficient data exchange between platforms by applying best-practice design principles
Collaborate with Data and Infrastructure teams to translate requirements into robust technical solutions that align with the overall integration architecture
Produce and maintain clear documentation of integration flows

Required Skills & Experience

Strong experience with RESTful API integrations
Proven understanding of integration ETL/ELT concepts
Advanced proficiency in Python for data transformation, scripting, and automation, including handling sparsely populated data sets
Experience with database structures (SQL/DDL), including the creation and management of staging tables
Ability to translate requirements into actionable technical tasks
Excellent problem-solving and communication skills
Solid understanding of software engineering principles (testing, version control, CI/CD)

Nice to Have

Experience with AWS services such as Glue, Aurora, S3, and RDS
Ability to design and optimize schemas for structured and semi-structured data
Familiarity with authentication protocols (OAuth2, API keys)
Experience working with highly diverse datasets in technically complex environments

About the Company

Welcome to develop. We are a leading contributor to the software engineering community and a disruptive recruitment business comprised of eight specialised brands: develop .NET, develop Java, develop Python, develop PHP, develop JavaScript, develop DevOps, develop Change, and develop Technology. At develop, we scale the software engineering teams that shape our world. Our commitment to quality is reflected in our three key USPs: 1. Specialised Knowledge: All our Consultants learn to code in the language they recruit fo... Know more