Principal Full Stack Developer – .Net, Azure

Jobtailor; Herndon (VA); On-site; USD 130,000 - 170,000; Full time

Job summary

Jobtailor is seeking a senior software engineer to collaborate with customers and partners, define technical constraints, and deliver scalable solutions. The role requires deep expertise in cloud/data technologies, Azure services, and modern SDLC practices.

The candidate should be comfortable leading or participating in client meetings, planning releases, and writing robust code with strong unit tests. Occasional on-site work at client locations is expected in Virginia.

Qualifications

• Bachelor's degree in CS or related field with 10+ years of engineering experience or 14 years in lieu of degree.

Responsibilities

• Collaborates with customers and partners to understand business needs and scenarios, leading or participating in meetings to gather requirements.
• Supports project planning, identifies risks, dependencies, and documents value of proposed solutions.
• Identifies issues and mitigates risks with stakeholders; writes and maintains integration and unit tests for reliability.
• Drives project and release planning, writes, tests, and maintains high-quality, scalable code across teams.

Skills

Communication skills

Public Trust clearance

On-site meetings

Cloud/Data technologies

AGILE SDLC

REACT

Unit Testing

SQL proficiency

Education

Bachelor's Degree in Computer Science or related technical field

Tools

ASP.NET MVC

NET Core

C#

Java

JavaScript

Python

Azure SQL Server

Web API

Azure Data Factory

SSIS

SSRS

Azure Active Directory

Power BI

Azure Open AI

Azure Machine Learning

Azure Cognitive Search

CI/CD

Jenkins

Azure DevOps

TFS

OKTA

Selenium

REACT

Job description

Responsibilities

• Collaborates with customers and partners to understand their business needs and the scenarios they aim to address. May lead or actively participate in meetings to gather and refine requirements, leveraging business, technical, and industry knowledge to define constraints and objectives. Engages relevant stakeholders to ensure a comprehensive understanding of customer goals.
• Supports project planning by identifying risks, dependencies, and contributing to key documentation. Clearly communicates the business value of proposed solutions, with guidance as needed, and implements strategies to mitigate technical and business risks. Manages personal workload effectively and maintains regular communication with project leads.
• Proactively identifies and addresses issues or risks, engaging with internal and external stakeholders—including project managers—to ensure timely resolution. Writes and maintains integration and unit tests to ensure feature reliability and performance.
• Applies product expertise to collaborate with stakeholders, driving project and release planning within the team. Takes ownership of writing, testing, and maintaining high-quality, scalable code. Resolves complex system integration challenges, often working across team boundaries to deliver cohesive solutions.

Requirements

• Bachelor's Degree in Computer Science or related technical field AND 10+ years of technical engineering OR 14 years of experience (experience in lieu of degree), in technical engineering
• Must demonstrate exceptional communication, both written and verbal
• Must have an active or ability to obtain a Public Trust Clearance
• Ability to be on-site at the client location on occasion
• Familiar with Cloud/Data technologies, including but not limited to:
  • ASP.NET MVC
  • .NET Core
  • Experience with coding in languages including, but not limited to, C#, Java, JavaScript, or Python
  • Azure SQL Server
  • Web API
  • Azure Data Factory
  • SQL Server Integration Services (SSIS)
  • SQL Server Reporting Services (SSRS)
  • Azure Active Directory
  • Power BI
  • Unit Test
  • Proficiency in SQL
  • UX/UI & Accessibility
  • Understanding of data warehousing concepts and ETL pipelines
  • Azure Open AI
  • Azure Index
  • Azure Machine Learning
  • Azure Cognitive Search / Services
  • Exposure to CI/CD pipelines and DevOps best practices for database deployments
  • Jenkins Build
  • Experience with Agile SDLC methodology (Scrum)
  • Azure DevOps (TFS)
  • OKTA
  • Selenium
  • REACT