Remote Senior Full-Stack JS Engineer for Web Apps

Estrada Consulting, Inc.; Sacramento (CA); Remote; USD 120,000 - 180,000; Full time

Job summary

Estrada Consulting, Inc. is seeking a Senior Software Engineer to design, develop, maintain, and enhance mission-critical web applications for a California public-sector client.

The role covers full-stack development, APIs, and complex data queries, contributing to system integrations and technical documentation. Responsibilities include creating secure, high-performance web apps, implementing business rules, and supporting user testing.

Qualifications

• Four (4) years of experience developing and maintaining mission-critical web applications.
• Four (4) years of experience developing and maintaining web-based solutions.
• Four (4) years of experience troubleshooting code with edge testing based on user requirements (full stack).
• Four (4) years of experience performing complex database queries in Oracle/MS SQL Server for data conversion, analysis, and reporting.
• Three (3) years of experience with one or more of the following: JavaScript/TypeScript; Azure DevOps/GitHub; VueJS/React/Angular; HTML/CSS.
• Three (3) years of experience with one or more of the following: Oracle SQL; Microsoft SQL Server; MongoDB; REST APIs; Functions/triggers/stored procedures.

Responsibilities

• Design, develop, and maintain secure, user-friendly, high-performance web applications.
• Develop full-stack functionality, including user interfaces, APIs, and database integrations.
• Integrate applications with existing enterprise systems and data sources.
• Develop complex SQL queries for data conversion, analysis, and reporting.
• Troubleshoot application code and perform edge-case testing based on user requirements.
• Implement configurable business rules, calculations, and data validation processes.
• Support user acceptance testing, defect resolution, and application enhancements.
• Prepare technical documentation and collaborate with technical and business stakeholders.

Skills

JavaScript/TypeScript

Full stack development

SQL queries

Troubleshooting

Edge testing

Performance optimization

REST APIs

UI and API integration

HTML/CSS

VueJS/React/Angular

Tools

Azure DevOps

GitHub

Job description

Estrada Consulting, Inc. is seeking a Senior Software Engineer to design, develop, maintain, and enhance mission-critical web applications for a California public-sector client.

The role covers full-stack development, APIs, and complex data queries, contributing to system integrations and technical documentation. Responsibilities include creating secure, high-performance web apps, implementing business rules, and supporting user testing.