Full Stack .Net Developer

Amtex Enterprises Inc.; Washington, Alexandria (District of Columbia, VA); Hybrid; USD 120,000 - 160,000; Full time

Job summary

Amtex Enterprises Inc. is seeking a senior Full Stack .NET Developer to deliver scalable software for a customer communications and alerting platform. Hybrid work in Washington, DC or Alexandria, VA, with a 12+ month contract.

The role requires mastering both front-end and back-end tech stacks, including .NET Core, Node.js, and cloud services. You’ll build APIs, manage data models, and ensure reliability and security across the software lifecycle while collaborating with cross-functional teams

Qualifications

• 8+ years of full stack development experience.
• Proficient with .NET Core and Node.js.
• Experience with databases including MS SQL Server and NoSQL.
• Ability to translate business requirements into software solutions.
• Strong documentation and communication skills.
• Experience with APIs, web services, and system interfaces.

Responsibilities

• Analyze business, functional, and technical requirements and translate them into software solutions.
• Design, develop, modify, test, implement, and maintain software applications, interfaces, integrations, and components.
• Develop and maintain APIs, data interfaces, and data exchange processes.
• Create and optimize database queries, stored procedures, and data models for performance.
• Perform unit, integration, and system testing and support UAT.

Skills

Full stack dev

NET Core

Node.js

Azure

Power BI

MS SQL

NoSQL

API development

Education

Bachelor’s degree in CS/IT/IS/Software Eng

Tools

Git

Azure DevOps

Job description

Job Title : Full Stack .Net Developer

Location: Hybrid in Washington, DC or Alexandria, VA (must be local to the area)
Duration: 12+ Months

SLA (if applicable): Thursday, 10/15
Required skills, experience, etc.: 8+ years of full stack developer exp, .NET Core, Node.JS, Azure, Power BI, MS SQL, No SQL
Preferred skills: prior experience working with large transit systems
Interview process: video screen with a recruiter; phone screen with Account Manager, technical panel interview with the client (onsite)

Job Description

We are looking for a Full Stack Developer to provide application development, systems analysis, maintenance, integration, testing, and production support for a customer communications and service alerting platform and related applications. This position will support the continued reliability, security, scalability, and modernization of the platform while participating throughout the software development lifecycle. This position will be a contract and hybrid in Washington, DC or Alexandria, VA.

What You’ll Do

• Analyze business, functional, and technical requirements and translate them into software solutions
• Review project specifications, workflow diagrams, process flows, and system documentation to determine application requirements and technical approaches
• Design, develop, modify, test, implement, and maintain software applications, interfaces, integrations, and supporting system components
• Develop application code, scripts, database objects, and automated processes based on business and technical requirements
• Develop and maintain APIs, data interfaces, integrations, and data exchange processes supporting customer communications and related systems
• Create, modify, and optimize database queries, stored procedures, and data models to support application performance and functionality
• Perform unit, integration, and system testing and support user acceptance testing activities
• Troubleshoot and resolve software defects, application issues, integration problems, and production incidents
• Monitor application performance and implement or recommend improvements to enhance reliability, scalability, and maintainability
• Support software releases, upgrades, patches, deployments, and application lifecycle management activities
• Develop and maintain technical documentation, system specifications, workflow diagrams, operating procedures, and user support materials
• Collaborate with business stakeholders, project managers, business analysts, architects, developers, system administrators, and operational personnel throughout the software development lifecycle
• Participate in Agile, Scrum, DevSecOps, and continuous improvement activities
• Follow applicable cybersecurity requirements, technology standards, development practices, and governance policies
• Provide production support and technical assistance for customer alerting and related applications
• Support application modernization initiatives, technology upgrades, systems integration, and system enhancement efforts
• Conduct knowledge transfer sessions and maintain documentation supporting operational continuity and long-term system maintenance
• Prepare status updates, technical reports, analyses, and recommendations as requested
• Coordinate with technical resources to support project objectives and operational requirements
• Perform other related technical duties supporting the operation, maintenance, enhancement, and modernization of the platform and associated systems

What You’ll Need

Required

• Bachelor’s degree in Computer Science, Information Technology, Information Systems, Software Engineering, or a related technical discipline. Relevant additional experience may be considered in place of education requirements
• Minimum of eight (8) years of professional experience in application development, systems analysis, software programming, application maintenance, or related information technology disciplines
• Minimum of five (5) years of experience developing, modifying, testing, implementing, and supporting enterprise software applications
• Hands-on software development experience with .NET Core and Node.js
• Experience designing, developing, and working with databases using Microsoft SQL Server and/or NoSQL technologies
• Demonstrated experience analyzing business and technical requirements and translating them into software solutions
• Experience troubleshooting and resolving software defects, application issues, and system performance problems
• Experience creating and maintaining technical documentation, workflow diagrams, system specifications, and user support materials
• Strong verbal and written communication skills with the ability to work effectively with technical and non-technical stakeholders
• Ability to work independently and collaboratively within a team environment
• Experience with software development lifecycle (SDLC) methodologies, including requirements analysis, design, development, testing, deployment, and maintenance
• Experience developing and supporting web-based and enterprise applications
• Experience developing, supporting, or integrating APIs, web services, and system interfaces
• Experience with application testing, debugging, issue resolution, and performance optimization
• Experience with source code repositories and version control tools such as Git or similar technologies
• Experience implementing and supporting secure application development practices

Preferred

• Experience supporting transit, transportation, public-sector, or government organizations
• Experience with GraphQL, OpenTripPlanner (OTP), GTFS, GTFS-Realtime, or related transit technologies
• Experience working within Agile, Scrum, DevSecOps, or CI/CD environments
• Experience with Microsoft Azure cloud technologies
• Experience supporting application modernization, systems integration, and enterprise technology initiatives
• Industry certifications related to software development, cloud technologies, Agile methodologies, or system administration