Senior Backend Engineer (Java)

United States Digital Space LLC; Singapore; On-site; SGD 50,220 - 73,656; Full time

Job summary

United States Digital Space LLC is seeking a Senior Backend Engineer in Singapore to design, develop, and maintain high-performance backend services and APIs. You will drive architectural decisions, implement cloud-native solutions, and mentor junior developers to foster technical excellence.

Responsibilities include building RESTful APIs and microservices with Java Spring Boot, deploying on AWS, and leading CI/CD initiatives while ensuring scalability and security across systems.

Qualifications

• 8+ years of professional software development experience.
• Deep expertise in Java Spring Boot.
• Extensive experience designing RESTful APIs and microservices architecture.

Responsibilities

• Design, build, and maintain robust, scalable backend services.
• Architect and implement RESTful APIs and microservices.
• Design and deploy secure, cloud-native solutions leveraging AWS services.
• Lead the design, optimization, and implementation of database schemas and data models.
• Ensure high performance, reliability, security, and scalability of backend systems; troubleshoot production issues.
• Collaborate with frontend developers and stakeholders to define and implement API contracts.
• Lead system design discussions, mentor junior developers, and conduct code reviews.
• Implement and maintain robust CI/CD pipelines to streamline deployment.

Skills

Java Spring Boot

RESTful APIs

Microservices architecture

AWS cloud

Git

CI/CD

SQL

NoSQL databases

SOLID principles

DRY principle

Agile

Kubernetes

Docker

Kafka

RabbitMQ

Reactive programming

Singapore Government IT

Tools

AWS Lambda

ECS/EKS

S3

Job description

Senior Backend Engineer (Java / Spring Boot)

Location: Singapore
Employment Type: Full-Time

About the Role

We are seeking a high-caliber Senior Backend Engineer to design, develop, and maintain high-performance, scalable backend services and APIs. In this role, you will play a pivotal part in driving architectural decisions, implementing cloud-native solutions, and mentoring junior developers to foster a culture of technical excellence.

Key Responsibilities

• Backend Development: Design, build, and maintain robust, scalable backend services utilizing Java Spring Boot.
• Architecture & Microservices: Architect and implement RESTful APIs and microservices following industry best practices.
• Cloud Engineering: Design and deploy secure, cloud-native solutions leveraging AWS services.
• Database Management: Lead the design, optimization, and implementation of database schemas and data models.
• System Optimization: Ensure the high performance, reliability, security, and scalability of backend systems; troubleshoot production issues.
• Collaboration: Partner with frontend developers and cross-functional stakeholders to define and implement seamless API contracts.
• Leadership & Mentorship: Lead system design discussions, contribute to technical planning, and mentor junior developers through constructive code reviews.
• DevOps Culture: Implement and maintain robust CI/CD pipelines to streamline deployment.

Required Skills & Experience

Core Qualifications

• 8+ years of professional software development experience.
• Deep expertise in Java Spring Boot.
• Extensive experience designing RESTful APIs and microservices architecture.

Cloud & Infrastructure

• Proven hands-on experience with AWS services, including AWS Lambda and serverless architectures.
• Solid experience with Amazon ECS/EKS, RDS, EC2, and S3.
• Strong experience with version control systems (Git) and CI/CD practices.

Databases & Design

• Proficiency in SQL with extensive experience handling both Relational and NoSQL databases.
• Advanced understanding of software design patterns and principles (e.g., SOLID, DRY).

Methodologies

• Solid knowledge of modern testing methodologies and frameworks.
• Strong experience working within Agile development environments.
• Exceptional analytical, conceptual, and problem-solving skills.

Good to Have (Bonus Points)

• AWS Certifications (e.g., AWS Certified Solutions Architect or Developer).
• Experience with container orchestration tools like Kubernetes and Docker.
• Familiarity with message-queuing systems such as Kafka or RabbitMQ.
• Knowledge of reactive programming.
• Prior experience working on Singapore Government IT projects.

Pay: $4,500.00 - $6,600.00 per month

Work Location: In person