Senior Full Stack Developer

Company Overview :

Over the past 15 years eTel has delivered essential solutions for the federal government by securing and managing data providing scalable identity access modernizing legacy systems and building high-performance platforms. By integrating new technologies and ensuring reliable operations we help agencies stay prepared for future challenges As a premier technology solutions and services company to the US federal government eTel possesses longstanding relationships across the federal civilian marketplace. Other customers include the broader Treasury Department Commerce Department and State Department.

eTel offers integrated CMMI Level 3 processes tools and techniques with innovative cost-efficient and secure solutions to address complex challenges. eTel also holds ISO 9001 : 2015 ISO / IEC 27001 : 2013 and ISO / IEC 20000-1 : 2018 certifications and offers dedicated subject matter experts (SMEs) and thought leaders that possess a deep understanding of customers environments and challenges.

Location : 95% remote 5% onsite in either of these locations (Lanham MD Washington DC Ogden UT Farmers Branch TX)

Citizenship : US Citizen (MUST)

Security Clearance : Must be eligible to possess MBI (IRS Background Investigation) clearance. Active MBI clearance is preferred.

Job Summary :

The Senior Full Stack Developer serves as a technical leader responsible for designing developing and maintaining enterprise-scale APIs that enable secure standardized access to IRS data across legacy and modern platforms. This role supports the full API lifecycle from architecture and design through deployment monitoring and optimization while mentoring team members and ensuring alignment with IRS enterprise standards.

Key Responsibilities :

• Lead the design and implementation of REST GraphQL and gRPC APIs aligned with IRS architectural standards.
• Develop and maintain backend services using modern programming languages such as Java Python or Spark.
• Build and integrate frontend components as needed using frameworks such as React Angular or Vue.
• Define and enforce API versioning authentication and authorization standards using OAuth and JWT.
• Guide decomposition of legacy COBOL services and command codes into modern API-based services.
• Ensure backward compatibility data integrity and consistent object modeling across systems.
• Support API readiness reviews and consumer onboarding activities.
• Implement automated unit integration and regression testing frameworks.
• Enable observability through monitoring tools such as Datadog New Relic or Prometheus.
• Mentor mid-level engineers and provide technical direction across delivery teams.
• Contribute to technical documentation API specifications and design artifacts.
• Demonstrated ability / evidence of high volume of accurate code production.
• Competency in Openshift Serverless AWS Serverless Kubernetes GitHub and JIRA.

Required Qualifications :

Preferred Qualifications :

Commitment to Diversity -

eTelligent Group provides equal employment opportunities (EEO) to all applicants without regard to race color religion gender sexual orientation gender identity nations origin age disability genetic information marital status amnesty status as a covered veteran and any other characteristic provided in accordance with applicable federal state and local laws.

Required Experience :

Senior IC

Key Skills

APIs,REST,Spring,SOAP,.NET,React,Node.js,Angular,J2EE,JavaScript,Web Services,Java

Employment Type : Full Time

Experience : years

Vacancy : 1