Senior Java Software Engineer

Caspian One; London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A financial technology company in London is seeking a Senior Java Software Engineer to join their core development team. The ideal candidate will have over 8 years of experience with Java and Python, and a strong background in trading and pricing solutions. This role involves technical leadership and collaboration with various teams to optimize performance, efficiency, and security in financial applications.

Qualifications

• 8+ years’ experience as a software engineer delivering FO pricing/trading/risk solutions.
• Experience working with sales/trading/quant teams on pricing/risk model implementations.
• 8+ years’ strong Core Java and 4+ years’ strong Python.

Responsibilities

• Lead technical design with focus on efficiency, scalability, and security.
• Provide technical expertise aligned with enterprise standards.
• Manage multiple projects concurrently.

Skills

Core Java (JDK 11+)

Python with enterprise development

Experience in software development for finance

Knowledge of Interest Rate Swap products

Experience with Bloomberg APIs

Education

Degree in Computer Science, Engineering, Mathematics, or related field

Tools

ZeroMQ

Google Protocol Buffers

Graphite

Grafana

Job description

Overview

Base pay range: Direct message the job poster from Caspian One. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Job title and location

Java & low-latency talent specialist | Financial technology markets | FX, Equities & Rates | Delivery Consultant at Caspian One

Location: London, UK

Business Unit

Transparency Pricing, Global Market IT

Business Context

The Transparency team is a Front Office development team responsible for the development of cross-asset automated pricing and risk systems, primarily focused on FICC derivatives. The team works directly with global sales/trading/quant teams on the development of applications incorporating pricing and risk models used for electronic trading. These applications are used globally by Front Office sales and traders and are critical to trading activities. This is a global team with engineers in Toronto, London, New York.

• ZeroMQ for remote socket communication
• Google Protocol Buffers/JSON/SBE for serialization
• Graphite and Grafana for metrics

Position Overview

Looking for a senior-level software engineer in London, UK to join the core pricing/risk services development team.

• 8+ years’ experience as a software engineer delivering FO pricing/trading/risk solutions
• Experience working with sales/trading/quant teams on pricing/risk model implementations
• Experience working with eTrading/infrastructure teams on model output distribution
• 8+ years’ strong Core Java (JDK 11+)
• 4+ years’ strong Python with enterprise development experience
• Experience implementing automated unit + regression tests in CI/CD

Highly Desirable:

• Strong knowledge of Interest Rate Swap products (FRA/IRS/XCCY)
• Experience with Bloomberg APIs (e.g., BPIPE, SAPI, DAPI)
• Experience with Java performance testing

The Ideal Candidate Will Also:

• Lead technical design with focus on efficiency, scalability, security
• Provide technical expertise aligned with enterprise standards
• Support and guide teammates on technical implementations
• Manage multiple projects concurrently
• Be familiar with Agile and SDLC processes

Education & Accreditation

• Degree in Computer Science, Engineering, Mathematics, or related numerical field

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

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