Full Stack .NET Developer

3Insys

Los Angeles (CA)

On-site

USD 140,000 - 190,000

Full time

14 days+

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Benefits offered by this job

401(k)
401(k) matching
Dental insurance
Health insurance
Vision insurance
Paid time off

Job summary

3Insys in Los Angeles is seeking an experienced Senior Full Stack Engineer/Architect to lead SaaS and enterprise software efforts. You will drive architecture, implementation, testing, and deployment across the project life cycle, collaborating with a multidisciplinary team in an agile environment.

The role requires 8+ years of development, strong ASP.NET Core/MVC, microservices, REST APIs, and cloud/container expertise; you will mentor others and shape scalable, secure solutions for the energy

Qualifications

  • 7+ years of development engineering experience.
  • 5+ years in a senior technical role and/or architect.
  • 5+ years Agile/Scrum/Extreme development experience.
  • 5+ years MVC and MVVM architecture design.
  • 5+ years SaaS architecture designs - single DB, isolated DB, hybrid DB, dynamic themes.
  • 3+ years Microservices architectures.
  • 5+ years developing modern websites, dashboards, visualizations.
  • Experience with scalable RESTful Web API.
  • Strong written and spoken English communication skills.

Responsibilities

  • Commitment to design scalable, secure, and reusable software.
  • Strictly employ DTAPB environments in the software development cycle.
  • Lead, mentor, and manage a small team of developers (onshore/offshore).
  • Work independently, meet deadlines, adapt to shifting priorities, and manage multiple projects.

Skills

ASP.NET Core
ASP.NET Core MVC
C#
SQL
JavaScript
ReactJS
AngularJS
JQuery
Bootstrap 4
RESTful Web API
Microservices
Docker
Kubernetes
Git
GitHub
Team Foundation Server
Hyper-V
MySQL
MS SQL Server
Nginx
Redis
ElasticSearch

Education

BS in Computer Science

Tools

Hyper-V
Docker
Kubernetes
Git
GitHub
Team Foundation Server

Job description

About

About Us Contact Us

Full Stack .NET Developer

Los Angeles, CA

3Insys is the IT-OT Agile Integration suite for the Energy and Utility sector that provides a hybrid cloud-based integration Platform-as-a-Service (iPaaS) solutions for System Integration, Data Integration, Identity Management, API Management, and Robotic Process Automation. 3Insys assists utilities to securely orchestrate data flows and robotize complex operational processes throughout their disparate IT and OT systems and environments.

We are looking for an experienced Senior Full Stack Engineer/Architect to work on a multi-disciplinary team in an agile, fast-paced development environment. The qualified candidate will drive the SaaS and Enterprise Software strategy, architecture, implementation, test, and deployment for software systems, who are passionate about changing the world positively via technology.

The candidate as a team member will be responsible for, but not limited to, the following: reviewing architectural and technical requirements, focusing on solution development throughout the project life-cycle, supporting the development and testing activities, supporting best practices and proven patterns, and executing proof of concepts on various technologies.

Experience level: Senior-Level (8+ yrs)

Role: Senior Full Stack Engineer / Architect

Qualification: BS or higher in Computer Science or related technical discipline

Industry: SaaS, Enterprise Software Development.

Qualifications:

  • 7+ yrs of development engineering experience
  • 5+ yrs in a professional senior technical role and / or architect
  • 5+ yrs Agile / Scrum / Extreme development experience
  • 5+ yrs Experience with MVC and MVVM architecture design
  • 5+ yrs Experience with various SaaS architecture designs - Single DB, Isolated DB, Hybrid DB / Single, and Dynamic Themes
  • 3+ yrs Experience with Microservices architectures
  • 5+ yrs Experience in developing modern web sites, dashboards, and visualizations
  • Experience in creating and using scalable and distributed RESTful Web API
  • Working knowledge with test-driven development
  • Experience with Asynchronous, Parallel, Reactive programming paradigms
  • Strong product and project management skills
  • Strong written and spoken English communication skills

Required Skills

  • Web Application Framework: ASP.NET Core, ASP.NET Core MVC
  • Programming Languages: C#, SQL
  • JavaScript Libraries / Frameworks: JQuery, AngularJS, ReactJS
  • CSS Frameworks: Bootstrap 4
  • Database Technologies: MySQL 5.7 / 8, MS SQL Server 2017 / 2019
  • Object-Relational Mapper (ORM): Entity Framework Core
  • Collaborative Code Repositories: Git, GitHub, Team Foundation Server
  • Virtual Machine / Containers: Hyper-V, Docker, Kubernetes
  • Content Management System (CMS): Any on-site or SaaS

Experience

  • 7+ yrs of development engineering experience
  • 5+ yrs in a professional senior technical role and / or architect
  • 5+ yrs Agile / Scrum / Extreme development experience
  • 5+ yrs Experience with MVC and MVVM architecture design
  • 5+ yrs Experience with various SaaS architecture designs - Single DB, Isolated DB, Hybrid DB / Single, and Dynamic Themes
  • 3+ yrs Experience with Microservices architectures
  • 5+ yrs Experience in developing modern web sites, dashboards, and visualizations

Key Responsibilities

  • Commitment to design scalable, secure, and reusable software
  • Strictly employ Development/ Test/ Acceptation/ Production/ Backup (DTAPB) environments in the software development cycle
  • Lead, collaborate, mentor, and manage a small team of developers (onshore/offshore)
  • Work independently, meet deadlines, adapt to shifting priorities, and manage multiple projects at a time

Preferred Skills

  • Integrate 3rd party API: Slack, MailChimp, Twilio, Paypal, Stripe, Google, DropBox, Facebook, Twitter, Instagram, Pinterest, and others
  • Cloud services - Design, Development, Deployment, and Maintain
  • Server-side technologies - Nginx, Redis, Apache, ElasticSearch, etc.
  • Security technologies - SSO, IDM, SAML, OAuth, JWT
  • Experience in deploying and managing infrastructure in a data center

Benefits

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Vision insurance
  • Paid time off

3Insys Headquarters

  • 601 S Figueroa St Suite 4650, Los Angeles California , 90017

Copyright @2026 by 3Insys. All Rights Reserved

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