Lead Full Stack Developer (C#/.NET)

Theradex Oncology

1d•$140,000 - $175,000•Hybrid

About The Position

We are seeking a Lead Full stack developer responsible for designing, building and operating end-to-end web applications and data driven solutions that support clinical trial operations. This is a hands-on technical leadership role, combining senior individual contributor responsibilities with mentoring and guiding other developers on modern practices. This role requires recent hands-on experience owning technical solutions and driving projects forward while maintaining Full Stack Development responsibilities.

Requirements

Minimum 8 years of experience as a full stack developer
Minimum 3 years of experience leading a development team focused on building On-prem and Cloud applications Core stack C#/ASP.NET, .NET, Angular, SQL, NO SQL, and AWS
Proficient in Angular and experience in a recent project
Strong experience redeveloping on-prem web applications to be optimized for the AWS CloudExperience leading a Cloud software development project end to end: architecture, implementation, testing, deployment, and support.
Experience building AWS based web sites, applications and integrations
AWS services such as CloudWatch, SES, S3, ECR, ECS, Lambda functions
UI/UX experience using Blazor or Angular
Relational and non-relational databases
All aspects of GitHub, including GitHub Actions
Experience with Docker containers
Strong experience with the management of code through a CI/CD pipeline

Nice To Haves

Experience configuring AWS environment using Terraform, Fargate, etc.
Experience in a CRO/pharmaceutical environment with definitive knowledge of regulated clinical data applications
Knowledge of GxP and 21 CFR Part 11 compliance
Experience with migrating an entire on-prem data center to the AWS Cloud

Responsibilities

Oversees application development team's technical delivery across all projects while remaining a hands-on Full Stack Developer.
Design and implement scalable, secure frontend and backend components, including APIs, services and UI workflows, following clean architecture and solid principles.
Embed application security best practices into the software development lifecycle, including securing code, code scanning, dependency management, and remediation of vulnerability identified through AppSec tools.
Collaborate with product owners, technical analysts, project managers, platform engineering and analytics teams to translate complex business needs into practical technical solutions.
Own technical solutions end to end: architecture, implementation, testing, deployment, and support.
Establish and champion coding standards, automated testing, and CI/CD pipelines to improve quality, reliability and release frequency. Mentor and guide other developers; enforce engineering best practices, code quality, and architectural integrity.
Collaborate with Solutions Architect, DevOps, and Data teams to translate business needs into scalable technical designs.
Ensure all development follows SDLC, validation, GxP, and 21 CFR Part 11 requirements.
Design secure integrations with external clinical and operational systems.
Troubleshoot complex system issues and lead root cause analysis.
Drive continuous improvement in cloud performance, cost optimization, security posture, and CI/CD automation.
Understands and continues to stay current with the AWS Cloud development environment and tools that the systems utilize.
Manages time effectively. Accurately estimates effort for tasks and meets agreed-upon deadlines. Adapts to frequently changing requirements, priorities, and schedules.
Troubleshoots and resolves technical issues in a timely manner, performs root cause analyses, and drives permanent fixes and technical debt reduction.
Contribute to architecture discussions and technology choices, balancing innovation with maintainability and regulatory constraints.
Promote a culture of documentation, knowledge sharing and continuous learning within the application development team. Provide technical mentorship and oversight through design reviews, pairing programming and structured feedback.

Benefits

At Theradex we offer a supportive culture that puts people first. Our employees are eligible to participate in our comprehensive benefits package which includes medical, dental and vision coverage; life insurance, disability insurance (STD/LTD), company matched 401(k), very competitive tuition reimbursement, generous vacation/sick plans, flexible work schedules, employee discounts and other company provided benefits.

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