Senior Software Engineer - Real-Time Securities Platform

Gtx UK Llp; Greater London; Hybrid; GBP 120,000 - 150,000; Full time

Benefits offered by this job

25 days holiday

Casual dress code

WFH after probation

Job summary

Mirae Asset Securities Co., Ltd. in London is seeking a MASUK Senior Software Engineer to build a real-time, event-driven platform for securities lending, repo and delta-1 trading.

The role covers end-to-end development across Java server-side components, Python ETL pipelines, and external integrations. You will drive architecture discussions, mentor teammates, and collaborate with traders and risk/ops teams to deliver scalable workflows.

Qualifications

• 7+ years of experience with Java and/or Python.
• Relational databases and SQL (e.g. Postgres).
• Working command of Linux.
• Excellent written and verbal communications skills.
• Experience leading architecture discussions, driving the strategic vision and gaining stakeholder buy-in.
• Mentoring junior team members and establishing best practice within a team.

Responsibilities

• Develop Java server-side/UI components and Python ETL pipelines.
• Build integrations with external vendors and market data providers.
• Work directly with traders and operations teams to deliver solutions.
• Own the design and delivery of technical and process workflows within the platform.
• Driving technical direction and engineering standards across the team.
• Representing the platform to traders, operations and vendor counterparties.

Skills

Java

Python

SQL

Linux

Mentoring

Architectural discussions

Tools

Kafka

PostgreSQL

AWS

API Integrations

Job description

Mirae Asset Securities Co., Ltd. in London is seeking a MASUK Senior Software Engineer to build a real-time, event-driven platform for securities lending, repo and delta-1 trading.

The role covers end-to-end development across Java server-side components, Python ETL pipelines, and external integrations. You will drive architecture discussions, mentor teammates, and collaborate with traders and risk/ops teams to deliver scalable workflows.