Senior Java Software Engineer

CMC Markets; Greater London; On-site; GBP 65,000 - 85,000; Full time

Job summary

A global financial services firm is looking for a talented developer to join their Pricing & Risk team in London. In this hands-on role, you will design and maintain backend systems supporting market-making across various asset classes, including Equities and Crypto. The ideal candidate has strong expertise in Core Java, experience with microservices, and a collaborative mindset. This position offers the chance to work on impactful trading systems and grow within a supportive culture.

Benefits

Opportunities for career growth

Collaborative team

Supportive culture

Qualifications

• Strong expertise in Core Java and backend frameworks.
• Experience in API-based microservices architecture.
• Understanding of multi-threaded systems.

Responsibilities

• Design and maintain backend infrastructure and microservices.
• Drive technical decisions focused on scalability and performance.
• Mentor junior developers and promote coding best practices.

Skills

Core Java

Spring Framework / Spring Boot

Microservices architecture

Multi-threaded systems

Distributed messaging

Mentoring developers

Collaboration

Tools

C#

HTML

JavaScript

AWS

Terraform

CI-CD pipelines

Job description

We are looking for a talented team-oriented developer who thrives in a collaborative environment, enjoys solving complex technical challenges, and wants to make an impact in a fast-paced, global setting.

Join our Pricing & Risk team, working on our front-office pricing and trading platform. This is a hands‑on role focused on building and maintaining distributed backend systems that support our market‑making business across multiple asset classes — including Equities, FX, Crypto, and Commodities.

What You’ll Do :

• Design, develop, and maintain backend infrastructure, microservices, APIs, and business logic for our pricing and trading systems.
• Partner with front‑end developers, quants, and front‑office users to deliver efficient, scalable, and high‑performance solutions.
• Drive technical decisions and architecture trade‑offs with a focus on scalability, maintainability, and performance.
• Mentor and support junior team members, promoting best practices in coding standards, code reviews, and release management.
• Respond to real‑time trading issues in a fast‑paced environment, ensuring minimal business disruption.

Key Skills & Experience :

• Strong expertise in Core Java, Spring Framework / Spring Boot, or similar backend frameworks.
• Proven experience designing and developing API‑based, microservices‑driven architectures.
• Solid understanding of multi‑threaded systems and distributed messaging.
• Experience mentoring developers and promoting best practices in code quality and architecture.
• Collaborative mindset with experience working closely with business stakeholders and cross‑functional teams.

Desirable Experience :

• Exposure to CEP engines (Esper) or other live stream aggregation technologies.
• Familiarity with authentication, authorization, and endpoint security.
• Experience with C# / HTML / JavaScript and AWS / Terraform / CI‑CD pipelines.

Why Join CMC Markets?

• Work on high‑performance trading systems that have global impact.
• Collaborate with a team of passionate technologists and market experts.
• Be part of a company that values innovation, integrity, and excellence.
• Enjoy a supportive culture with opportunities for career growth and development.

Please note that this is an onsite role that will require you to work within our London office (near Liverpool street) 5 days on site per week .

CMC Markets is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.