Senior Full-Stack Engineer (Node/TS/C#) — Hybrid

Socket.dev; McLean (VA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Hybrid work schedule

Professional development

Training and certification reimburs**e

Health, dental, and vision insurance

401(k) with employer matching

Job summary

TheIncLab in McLean, VA is seeking a Software Engineer III to design, develop, and maintain scalable, high-performance full‑stack applications. You will work with Node.js, TypeScript, and C# to deliver features for prospective customers and internal tools.

You’ll collaborate with UI/UX, product, and backend teams, lead code reviews, and mentor junior engineers while embracing modern architectures and best practices. Travel up to 20% may be required.

Qualifications

• Bachelor's degree in Engineering, CS or IS.
• 5+ years of full-stack software development experience.
• Proficiency in Node.js, TypeScript, and .NET (C#).
• Strong frontend experience with React, Angular, or Vue.js.
• Experience building cross-platform applications (web, desktop, mobile).
• Solid understanding of databases, caching, and performance optimization.
• Experience with Docker and Kubernetes.
• Experience with REST, WebSockets, and Kafka messaging.
• Strong Git version control experience.
• Deep understanding of software architecture, system design, and data modeling.

Responsibilities

• Design, develop, and maintain scalable, high-performance applications using Node.js, Typescript, and C#.
• Work on complex software features with minimal supervision.
• Make technical decisions and provide architectural input.
• Implement and optimize RESTful APIs and microservices.
• Work with frontend frameworks to create dynamic interfaces.
• Design and implement databases and transaction layers.
• Collaborate with UI/UX and product teams to capture customer needs.
• Document development progress with Git, Jira, and Confluence.
• Lead code reviews and uphold coding standards.
• Mentor junior engineers and share best practices.
• Stay up to date with emerging technologies and patterns.
• Travel up to 20%.

Skills

Node.js

Typescript

C#/.NET

React

Angular

Vue.js

Cross-platform

Databases

Caching

Docker

Kubernetes

REST

WebSockets

Kafka

Git

System design

Data modeling

Education

Bachelor's degree in Engineering, Computer Science, Information Systems

Masters degree in Engineering, Computer Science, Information Systems

Tools

Jira

Confluence

Git

Job description

TheIncLab in McLean, VA is seeking a Software Engineer III to design, develop, and maintain scalable, high-performance full‑stack applications. You will work with Node.js, TypeScript, and C# to deliver features for prospective customers and internal tools.

You’ll collaborate with UI/UX, product, and backend teams, lead code reviews, and mentor junior engineers while embracing modern architectures and best practices. Travel up to 20% may be required.