Senior .NET Full Stack Engineer (Terraform / CloudFormation)

United States Digital Space LLC; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

United States Digital Space LLC is seeking a Senior Full Stack Engineer to design, build, and maintain scalable cloud-native applications. You will develop backend services with C#/.NET and REST APIs, build modern frontend features with Next.js/React, and deploy microservices on AWS using IaC and DevOps practices.

You will work with PostgreSQL, OpenSearch, and data solutions while implementing event-driven architectures and real-time capabilities like SSE.

Qualifications

• Singapore Citizen required.
• 7+ years of software development experience in .NET and related backend API development.
• Strong hands-on experience with C#, .NET and backend API development.
• Experience with Next.js or React and Tailwind CSS.
• Experience with JetStream (NATS.io), Kafka or similar messaging platforms.
• Proficiency with PostgreSQL, OpenSearch or Elasticsearch.
• Experience deploying containerised microservices on Kubernetes (Amazon EKS preferred).
• Hands-on experience with Terraform, AWS CloudFormation, and AWS services including S3, API Gateway and Load Balancing.
• Experience implementing CI/CD pipelines using GitLab CI/CD or CircleCI.

Responsibilities

• Develop backend applications using C#, .NET, and REST APIs integrated with AWS API Gateway.
• Build frontend features using Next.js, React, and Tailwind CSS.
• Implement event-driven messaging solutions using JetStream (NATS.io) or similar technologies.
• Design and manage data solutions using PostgreSQL, AWS S3, and OpenSearch.
• Deploy and manage containerised microservices on Kubernetes (Amazon EKS preferred) using Terraform and AWS CloudFormation.
• Build and maintain CI/CD pipelines using GitLab CI/CD or CircleCI.
• Develop real-time capabilities such as Server-Sent Events (SSE) while ensuring performance, scalability, and security.
• Participate in code reviews and promote engineering best practices.

Tools

C#

.NET

REST APIs

AWS API Gateway

Next.js

React

Tailwind CSS

JetStream (NATS.io)

Kafka

PostgreSQL

OpenSearch

Elasticsearch

Amazon EKS

Kubernetes

Terraform

AWS CloudFormation

GitLab CI/CD

CircleCI

Server-Sent Events

AWS

Job description

Only Singapore Citizens will be considered.

Role Overview

We are seeking a Senior Full Stack Engineer to design, develop, and maintain scalable cloud-native applications. The role involves building backend services, developing modern frontend applications, implementing event-driven architectures, and deploying microservices on AWS using DevOps and Infrastructure-as-Code practices.

Key Responsibilities

• Develop backend applications using C#, .NET, and REST APIs integrated with AWS API Gateway.
• Build frontend features using Next.js, React, and Tailwind CSS.
• Implement event-driven messaging solutions using JetStream (NATS.io) or similar technologies.
• Design and manage data solutions using PostgreSQL, AWS S3, and OpenSearch.
• Deploy and manage containerised microservices on Amazon EKS (Kubernetes) using Terraform and AWS CloudFormation.
• Build and maintain CI/CD pipelines using GitLab CI/CD or CircleCI.
• Develop real-time capabilities such as Server-Sent Events (SSE) while ensuring application performance, scalability, and security.
• Participate in code reviews and promote engineering best practices.

Requirements

• Singapore Citizen required
• Minimum 7 years of software development experience in .NET
• Strong hands-on experience with C#, .NET, and backend API development.
• Experience with Next.js (or React) and Tailwind CSS.
• Experience with JetStream (NATS.io), Kafka, or other messaging/event streaming platforms.
• Proficiency with PostgreSQL, OpenSearch or Elasticsearch.
• Experience deploying containerised microservices on Kubernetes (Amazon EKS preferred).
• Hands‑on experience with Terraform, AWS CloudFormation, and AWS services including S3, API Gateway, and Load Balancing.
• Experience implementing CI/CD pipelines using GitLab CI/CD or CircleCI.

Preferred Skills

• Experience delivering projects within Government environments.
• Exposure to video streaming, transcoding, or media delivery systems.
• Experience working in secure or regulated environments.

Key Technologies

C#, .NET, REST API, AWS API Gateway, Next.js, React, Tailwind CSS, JetStream (NATS.io), Kafka, PostgreSQL, AWS S3, OpenSearch, Elasticsearch, Amazon EKS, Kubernetes, Terraform, AWS CloudFormation, GitLab CI/CD, CircleCI, Server-Sent Events (SSE), AWS.