Senior Java / Python Engineer

Investigo; Greater London; On-site; GBP 108,000 - 132,000; Full time

Job summary

Investigo is seeking a Senior Java/Python Engineer for a London-based role involving design and delivery of a next-generation platform in capital markets. You will build core services across trade lifecycle, settlement, finance systems and regulatory reporting, with exposure to event-driven architecture and modern tech stack.

The role offers up to £775/day Inside IR35 or £120,000 base salary, onsite five days a week for six months, then four days.

Qualifications

• Experience in capital markets technology or regulatory reporting.
• Strong backend development skills in Java and Python.
• Experience delivering distributed, event-driven architectures.

Responsibilities

• Design and build a next-gen platform for trade lifecycle, settlement, and finance systems.
• Develop scalable microservices and REST interfaces.
• Collaborate with teams to influence architecture and engineering direction.

Skills

Java

Python

REST APIs

Microservices

Tools

Spring Boot

Kafka

Linux

PostgreSQL

AWS

REST APIs

Microservices

Job description

Senior Java / Python Engineer London | Up to £775/day (Inside IR35) or £120,000 Base Salary 5 Days Onsite for the First 6 Months | 4 Days Thereafter

This investments clientis investing heavily in a strategic platform build-out driven by T+1 settlement requirements and continued business growth. We're looking for engineers who enjoy building systems rather than maintaining them. This is an opportunity to join a growing team responsible for developing core Trade Lifecycle, Settlement, Finance Systems and Regulatory Reporting platforms supporting multiple asset classes.

Opportunity You'll be involved in designing and building a next-generation platform covering:

• Trade Lifecycle Management
• Settlement Processing
• Finance Systems
• Regulatory Reporting
• Market & Reference Data Integration
• Workflow Automation
• Real-Time Processing Architecture

The business is moving away from manual and batch-driven processes towards a modern, event-driven platform, giving engineers the opportunity to have genuine influence over architecture and design decisions.

Technology Stack

• Java
• Python
• Spring Boot
• Kafka
• Linux
• PostgreSQL
• AWS
• Microservices
• REST APIs

What We're Looking For

• Capital Markets Technology
• Regulatory Reporting
• Finance Systems
• Trade Lifecycle Processing
• Market Data Platforms
• Post-Trade & Settlement Systems
• Data Integration & Transformation
• Event-Driven Architectures

Experience with asset classes such as Equities, Futures, Securities Lending or Structured Products would be beneficial but not essential.

Ideal Backgrounds

• Java Developer
• Python Developer
• Software Engineer
• Regulatory Reporting Developer
• Market Data Engineer
• Trade Lifecycle Developer
• Finance Systems Engineer
• Integration Engineer

Why Join?

• Strategic greenfield-style platform development.
• Significant business investment and growth.
• Direct exposure to trading, operations, finance and regulatory functions.
• Opportunity to shape architecture and engineering direction.
• Mix of contract and permanent opportunities available.
• Growing team with multiple hires planned.