Senior .NET Full-Stack Engineer – Cloud-Native AWS

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

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.