Senior Software Engineer

ATT Digiverse; Singapore; On-site; SGD 110,000 - 170,000; Full time

Job summary

ATT Digiverse in Singapore is seeking an experienced Senior Software Engineer to join our development team. You will work on backend and/or full-stack solutions with a focus on real-time communication, system performance, and low-latency design for mission-critical enterprise systems.

The role involves designing, developing, testing, deploying, and maintaining scalable applications, collaborating with PMs, QA, DevOps, and infra teams, and guiding junior developers toward robust, resilient

Qualifications

• Degree in Computer Science or related discipline.
• Minimum 6 years hands-on software development experience, with senior capacity.
• Strong backend and/or full-stack development experience.
• Proficiency in Java, Python, Node.js, Go, .NET Core, React, Angular, or equivalent.
• Hands-on experience with real-time message brokers such as Kafka, RabbitMQ, ActiveMQ, or equivalent.
• Experience with relational and/or NoSQL databases such as PostgreSQL, MySQL, SQL Server, MongoDB, or equivalent.
• Good understanding of RESTful APIs, microservices, enterprise service bus, integration platforms, or middleware technologies.
• Familiarity with DevOps practices and CI/CD tools such as GitLab CI, Jenkins, GitHub Actions, or equivalent.
• Experience with Docker, Kubernetes, Linux, cloud platforms, or equivalent application deployment environments.
• Experience in regulated or mission-critical environments will be advantageous.

Responsibilities

• Design, develop, test, deploy, and maintain scalable, secure, and high-performance software applications.
• Develop backend and/or full-stack solutions that integrate with databases, APIs, networks, and enterprise systems.
• Design and support real-time or near real-time communication features with a focus on system responsiveness and low latency.
• Troubleshoot and optimise application performance, API response time, database queries, system bottlenecks, and network-related issues.
• Participate in software architecture design, technical planning, code reviews, and performance tuning.
• Work closely with project managers, business users, QA, DevOps, infrastructure teams, and external stakeholders to deliver technical solutions.
• Support system integration, data exchange, API services, and enterprise application connectivity.
• Investigate and resolve production issues, incidents, and technical defects in a timely manner.
• Contribute to DevOps, CI/CD, deployment automation, and application environment management.
• Provide technical guidance to junior developers where required.

Skills

Backend development

Full-stack development

Real-time systems

Performance tuning

REST APIs

Microservices

DevOps

Docker

Kubernetes

Distributed systems

Education

Degree in CS/SE

Tools

Docker

Kubernetes

Linux

GitLab CI

Jenkins

GitHub Actions

Cloud platforms

Job description

We are looking for an experienced Senior Software Engineer to join our development team. The ideal candidate should be an experienced software engineer with strong backend and/or full-stack development experience, and a good understanding of real-time communication, system performance, scalability, and low-latency application design.

The role is suitable for candidates who have worked on mission-critical systems where reliability, responsiveness, and minimal latency are important, such as banking, financial systems, payment platforms, trading systems, transport systems, telecommunications, or other enterprise applications.

Key Responsibilities

• Design, develop, test, deploy, and maintain scalable, secure, and high-performance software applications.
• Develop backend and/or full-stack solutions that integrate with databases, APIs, networks, and enterprise systems.
• Design and support real-time or near real-time communication features with a focus on system responsiveness and low latency.
• Troubleshoot and optimise application performance, API response time, database queries, system bottlenecks, and network-related issues.
• Participate in software architecture design, technical planning, code reviews, and performance tuning.
• Work closely with project managers, business users, QA, DevOps, infrastructure teams, and external stakeholders to deliver technical solutions.
• Support system integration, data exchange, API services, and enterprise application connectivity.
• Investigate and resolve production issues, incidents, and technical defects in a timely manner.
• Contribute to DevOps, CI/CD, deployment automation, and application environment management.
• Provide technical guidance to junior developers where required.

Job Requirements

• Degree in Computer Science, Software Engineering, Computer Engineering, Information Technology, or related discipline.
• Minimum 6 years of hands-on software development experience, preferably with at least 2 years in a senior developer or technical lead capacity.
• Strong experience in backend and/or full-stack development.
• Proficiency in one or more programming languages or frameworks such as Java, Python, Node.js, Go, .NET Core, React, Angular, or equivalent.
• Strong understanding of software architecture, design patterns, API design, system integration, and database development.
• Hands-on experience with real-time communication message brokers such as Kafka, RabbitMQ, ActiveMQ, or equivalent.
• Experience with relational and/or NoSQL databases such as PostgreSQL, MySQL, SQL Server, MongoDB, or equivalent.
• Good understanding of real-time communication concepts, event-driven architecture, messaging, streaming, WebSocket, message queues, or similar technologies.
• Strong ability to identify and resolve latency, throughput, concurrency, and performance-related issues.
• Experience with relational and/or NoSQL databases such as PostgreSQL, MySQL, SQL Server, MongoDB, or equivalent.
• Experience with RESTful APIs, microservices, enterprise service bus, integration platforms, or middleware technologies.
• Familiarity with DevOps practices and CI/CD tools such as GitLab CI, Jenkins, GitHub Actions, or equivalent.
• Experience with Docker, Kubernetes, Linux, cloud platforms, or equivalent application deployment environments.
• Experience working in regulated or mission-critical environments such as banking, finance, government, transport, telecommunications, or enterprise systems will be advantageous.
• Experience supporting high transaction volume, concurrent users, real-time data exchange, and high-availability systems.
• Knowledge of performance monitoring, logging, tracing, caching, asynchronous processing, and fault-tolerant system design.