Backend Software Engineer (Java) | Payments / Financial services

Occupop Careers; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Occupop Careers is seeking a Backend Software Engineer (Java) to join a payments-focused, technology-driven Financial Services organisation in London. You’ll design, build and operate cloud-native backend services, working across product, architecture and engineering to deliver reliable, scalable solutions.

Strong candidates will have Spring Boot, microservices, SQL/NoSQL experience, and a track record delivering enterprise-scale backend apps in Payments.

Qualifications

• Bachelor's degree or equivalent professional experience.
• Typically 3+ years of software engineering experience in backend development.
• Experience delivering enterprise-scale backend applications in Financial Services/Payments is essential.

Responsibilities

• Designing, building and enhancing modern software applications and services.
• Developing high-quality, maintainable and reusable code.
• Contributing to microservices-based architectures and distributed systems.
• Building and supporting customer-facing applications used by large user populations.
• Driving software quality through automated testing and continuous improvement.
• Monitoring application health, performance and operational reliability.
• Managing deployments and supporting production environments.
• Investigating production incidents and implementing long-term fixes.
• Contributing to architectural discussions and solution design.

Skills

Spring Boot

Microservices

Backend engineering

Distributed systems

SQL/NoSQL

Production support

Problem solving

Communication

Agile teams

Payments domain

Education

Bachelor's degree

3+ years experience

Tools

AWS

Docker

Kafka

Job description

Backend Software Engineer (Java) | Payments / Financial services

We are partnering with a leading technology-driven organisation operating within the Financial Services, FinTech and Payments sector to hire several experienced Senior Backend Software Engineers.

This is an opportunity to join a high-performing engineering team responsible for building and enhancing customer-facing products used at scale. You'll be involved in designing, developing and operating modern, cloud-based applications, collaborating with product, architecture and engineering colleagues to deliver resilient and scalable solutions.

Experience within Financial Services, FinTech or Payments environments is essential.

What You'll Be Doing

• Designing, building and enhancing modern software applications and services
• Developing high-quality, maintainable and reusable code
• Contributing to microservices-based architectures and distributed systems
• Building and supporting customer-facing applications used by large user populations
• Driving software quality through automated testing and continuous improvement
• Monitoring application health, performance and operational reliability
• Managing deployments and supporting production environments
• Investigating and resolving production incidents, conducting root cause analysis and implementing long-term fixes
• Contributing to architectural discussions and solution design
• Identifying opportunities to improve engineering practices, delivery processes and system performance
• Working closely with cross-functional teams to deliver business-critical technology solutions

We are particularly interested in candidates who can demonstrate:

• Experience with Spring Boot and microservices architectures
• Experience building customer-facing applications
• Experience with SQL and/or NoSQL databases
• Strong backend engineering expertise and a solid understanding of distributed systems
• Experience delivering large-scale applications, ideally supporting 10,000+ users
• A track record of delivering measurable project outcomes and business impact
• Experience operating services in production environments
• Strong problem-solving, analytical and critical-thinking skills
• Excellent communication and stakeholder engagement skills
• Kafka
• AWS
• Docker
• Continuous Delivery practices
• Payments industry experience

Full-Stack Candidates

Whilst backend expertise remains the highest priority, we are also keen to hear from engineers with full-stack experience.

Candidates with a combination of:

• Java backend development; and
• React.js frontend development

will be considered, particularly where they have strong backend credentials and experience delivering end-to-end solutions.

What We’re Looking For

Successful candidates will typically demonstrate:

• Experience working within Financial Services, FinTech or Payments organisations
• Ownership of systems throughout the software development lifecycle
• Experience supporting live production systems
• A pragmatic approach to software design and architecture
• Evidence of improving systems, processes or engineering practices
• A collaborative mindset and ability to work effectively within agile teams

Education & Experience

• Bachelor's degree or equivalent professional experience
• Typically 3+ years of relevant software engineering experience, or equivalent
• Strong commercial experience developing enterprise-scale backend applications

Why Apply?

• Join a highly regarded organisation within the Financial Services and Payments sector
• Modern cloud-native technology environment
• Opportunity to influence architecture, engineering quality and platform evolution
• Hybrid London-based working model

Please note: Applicants must have previous experience within a Financial Services, FinTech or Payments environment. Applications without relevant sector experience are unlikely to be progressed.