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Aladdin Full-Stack API Engineer (Aladdin Implementation)

Square One Resources
Contract
Remote friendly (England)
United Kingdom
£80,000 - £100,000 GBP daily

Job Title: Aladdin Full Stack API Engineer - Aladdin Implementation

Location: London (Hybrid)
Rate: £700-850 per day (Inside IR35)
Contract: Initial 6 Months
Start Date: March

Company Introduction

We have an exciting opportunity with one of our sector-leading consultancy clients who are delivering a major Aladdin transformation programme.

This role is engineering-focused and sits within a broader Aladdin implementation programme.

Role Overview

We are seeking experienced Full Stack API Engineers with hands-on experience integrating with BlackRock Aladdin APIs and working across commercial and custom-built investment applications.

The successful candidates will play a key role in re-platforming and repointing existing JHI applications from CRD trading APIs to Aladdin, including reworking Python scripts and integration layers to align with Aladdin data structures and API frameworks.

Key Responsibilities
  • Design, build, and maintain full stack API integrations with BlackRock Aladdin
  • Repoint and refactor existing JHI applications from CRD trading APIs to Aladdin APIs
  • Rework and optimise Python scripts to align with Aladdin frameworks and data models
  • Perform data mapping and impact analysis across legacy and Aladdin systems
  • Integrate commercial and custom-built applications into the Aladdin ecosystem
  • Work across frontend, backend, and API layers to support seamless application functionality
  • Ensure accurate handling of trading, positions, and related investment data flows
Required Skills & Experience
  • Strong Full Stack development experience (backend API layer essential)
  • Proven hands-on experience working with BlackRock Aladdin APIs
  • Prior involvement in an Aladdin implementation or migration programme
  • Strong understanding of Aladdin data structures and integration patterns
  • Experience repointing or migrating trading/API integrations (e.g. CRD to Aladdin)
  • Experience working with RESTful APIs and system integration patterns
  • Strong Python development experience (particularly script reworking and automation)
  • Strong data mapping, transformation, and interface analysis skills
  • Experience within asset management, investment management, or financial services

Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.

Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.