Backend Developer
SSV SmartPay LTD
Charing Cross, United Kingdom
2 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Experience level
Senior Compensation
£ 65KJob location
Charing Cross, United Kingdom
Tech stack
Java
API
Amazon Web Services (AWS)
Spring
PostgreSQL
MySQL
Node.js
Systems Architecture
Data Logging
Spring-boot
Reliability of Systems
Backend
Kafka
NestJS
REST
Amazon Web Services (AWS)
Microservices
Job description
We are hiring a Senior Backend Developer to design and maintain secure, scalable, and high-availability backend systems within a regulated environment.
Tech Stack
- Node.js (NestJS) or Java (Spring Boot)
- PostgreSQL / MySQL
- AWS (Lambda, ECS, RDS)
- REST API design
- Security-focused backend development
- Messaging systems (SQS / Kafka - nice to have)
Responsibilities
- Build and maintain secure backend services
- Design scalable APIs and system architecture
- Integrate third-party APIs and services
- Ensure system reliability, monitoring, and logging
- Support audits, security testing, and compliance requirements
Requirements
Do you have experience in Spring Framework?, * Experience in fintech, payments, or regulated environments is highly preferred
- Strong understanding of security and data protection
- Comfortable working in a fast-paced startup environment
