United States Digital Space LLC

Senior Full-Stack Engineer - ML-Driven Wallet Features

Build and maintain ML-driven features for a digital wallet, including on-device classification and server-side extraction of receipts, tickets, and loyalty cards from PDFs and images.

Senior Fullstack Engineer — Climate AI SaaS

api ci-cd gcp kubernetes nestjs +7 skills

Build and scale a climate-tech SaaS platform using TypeScript, React, Node/NestJS, and micro-frontends on Next.js App Router to measure and reduce carbon footprints.

Senior .NET Full-Stack Engineer — Hybrid, APIs & UI

HybridAPACSenior

Builds and maintains full-stack .NET/C# applications with APIs and modern UI, mentors junior engineers, and troubleshoots production issues.

api csharp dotnet

Full Stack Engineer - .NET & Go, Agile & CI/CD

Builds and maintains full-stack applications using .NET and Go, working in Agile teams to design, code, test, and deploy software solutions.

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

api aws cloud cloud-native csharp +10 skills

Builds and maintains cloud-native .NET backend services and Next.js/React frontends, deploys microservices on AWS, and implements event-driven architectures with PostgreSQL and OpenSearch.

Full Stack Engineer — Government Digital Services (Contract)

APACContract

api automation microservices nextjs nodejs +1 skills

A contract-based Full Stack Engineer builds and maintains government digital services in Singapore, focusing on IT operations, test automation, API integration, and post-launch monitoring using Next.js, Node.js, and microservices while ensuring compliance with IM8 standards.

Full-Stack Engineer, FinTech Lab — Trading & XRPL/EVMS

Builds and deploys full-stack web apps for a FinTech lab, including a simulated trading platform, and mentors interns while using cloud and AI tools.

Senior Full-Stack Engineer — GenAI, AWS & Public Sector

javascript stakeholder-management typescript

Builds full-stack features for public-sector clients using JavaScript/TypeScript, AWS, and GenAI tooling while collaborating with stakeholders and planning infrastructure.

6 000 – 9 000 SGD / mo

Senior .NET Core Full-Stack Engineer | Microservices & AWS

Builds and maintains .NET Core microservices on AWS, working across full-stack development with a focus on security and scalability.

dotnet microservices

up to 8 500 $ / mo

Full-Stack Engineer — Build School Ops Apps (Onsite)

api authentication devops rest

Builds and maintains web apps that streamline school operations, using modern full-stack tools and DevOps practices.

AI Fullstack Engineer

agentic-ai ai api ci-cd data-visualization +20 skills

Builds AI-powered interfaces for Eureka Materials, focusing on React/Vue frontends, data visualizations, and lightweight Node.js/Python backends to deliver AI Agent features and material-search workflows.

FinTech Full-Stack Engineer: AI-Driven APIs & React UI

ai api authentication django fastapi +6 skills

Builds AI-assisted backend services and a React SPA for trading, KYC, and financial workflows using Django/FastAPI/Flask and React.

AI-Powered Full-Stack Engineer & Tech Consultant

agentic-ai ai cloud cloud-native

Build and lead AI-enabled full-stack applications, making architectural decisions and mentoring teams while working hands-on with frontend and backend technologies.

AI Platform Full-Stack Engineer - Build Scalable AI Apps

APACContract

ai api cloud cloud-native python +2 skills

Build and maintain scalable, cloud-native AI applications using Python, modern backend frameworks, RESTful APIs, and React for frontend integrations.

Java Full Stack Engineer