Senior Software Engineer

Software Engineer / Backend Engineer / Fullstack Engineer / Software Developer

London / Remote

Reports To: CTO

About the company

Our client is a FinTech dedicated to building secure, high performance platforms trusted by banks, fintechs, and global merchants. With a culture centred on innovation, scalability, and reliability, they are expanding their engineering capability to support their growth.

Role overview

We are seeking a skilled Software Engineer to join the growing engineering team. You will design, develop, and maintain scalable backend services and APIs that power high volume transactions. This position is ideal for an engineer with a passion for clean, maintainable code and a keen interest in financial technology and digital platforms.

Key responsibilities

• Design, build, and maintain robust, scalable backend systems using Java.
• Develop APIs and integration layers supporting payment processing, reconciliation, and settlement workflows.
• Collaborate with cross functional teams including DevOps, Product, and QA to deliver high quality software.
• Ensure reliability, performance, and security of transaction systems.
• Participate in code reviews, testing, and production troubleshooting.
• Contribute to continuous improvement of software development practices and architecture patterns.

Required skills and experience

• 5+ years of professional experience in software engineering, with strong proficiency in Java
• Experience working with Spring Boot, RESTful APIs, and Microservices architecture.
• Solid understanding of SQL/NoSQL databases (e.g., PostgreSQL, MongoDB).
• Knowledge of CI/CD pipelines, Docker, and cloud platforms (AWS, GCP)
• Exposure to payment systems, transaction processing, or financial data flows preferred.
• Strong problem solving skills and an emphasis on quality through testing

Desirable experience

• Experience with Kafka or RabbitMQ
• Familiarity with PCI DSS, data encryption, and other payments security standards.
• Knowledge of Kubernetes, Terraform, or infrastructure automation tools.

What’s on offer

• Competitive salary
• Flexible hybrid working environment with one day per week in the office.
• Equity with three years vesting period.
• Collaborative, growth oriented culture with real ownership opportunities.