Java Backend Engineer – FinTech, Low-Latency Systems

Capital.com; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Benefits offered by this job

Competitive salary

Annual bonus

Generous annual leave

Health insurance

Pension fund

Hybrid work model

Workation policy

Volunteer days

Job summary

Capital.com is a premier trading platform expanding globally. We are growing our Backend Team and seeking engineers who enjoy building fast, secure, scalable services for fintech products. You will work on distributed systems, with a focus on low latency, reliability, and robust security.

You will collaborate with cross-functional teams, apply modern CI/CD practices, and leverage AI tools to accelerate development and testing. A dynamic, product-led environment awaits with hybrid work options.

Qualifications

• BS/CS or equivalent required.
• Experience in fintech or related financial domains is a plus.
• Strong understanding of distributed systems architecture and client-server model.
• Ability to design and maintain scalable, low-latency, high-performance systems.

Responsibilities

• Design and build scalable, low-latency backend services.
• Develop distributed and asynchronous systems ensuring reliability and fault tolerance.
• Optimise performance across JVM, databases, caching, and networking layers.
• Apply security best practices in handling PII and financial transactions.
• Use event-driven architectures and modern messaging solutions (e.g. Kafka).
• Collaborate with cross-functional teams to align architecture with business needs.
• Maintain high code quality through testing, code reviews, and CI/CD practices.
• Leverage AI tools to accelerate development, testing, and delivery.

Skills

Java & Spring

Distributed systems

Concurrency & Async

Security

Team collaboration

Product alignment

Education

Bachelor's degree in Computer Science or equivalent

Tools

Kafka

Kubernetes

SQL databases

CI/CD

Docker

AI-assisted development

Job description

Capital.com is a premier trading platform expanding globally. We are growing our Backend Team and seeking engineers who enjoy building fast, secure, scalable services for fintech products. You will work on distributed systems, with a focus on low latency, reliability, and robust security.

You will collaborate with cross-functional teams, apply modern CI/CD practices, and leverage AI tools to accelerate development and testing. A dynamic, product-led environment awaits with hybrid work options.