Remote AI-First Senior Full-Stack Developer

RethinkFirst; United States; Remote; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Flex Paid time off

Parental leave

Professional development assistance

401K

Job summary

RethinkFirst is hiring a Full-Stack Senior .NET Developer to help deliver cloud-based applications and infrastructure to our growing customer base. You'll develop, design, test and deploy websites, support and maintain functionality, and embrace AI-first tooling in daily work.

Requirements include 5+ years' development experience, Bachelor's in CS, and proficiency in C#, JavaScript, TypeScript, plus Azure or AWS. Remote opportunities in the US available.

Qualifications

• Bachelor's degree in Computer Science.
• 5+ years development experience.
• Proficient with C#, JavaScript, and TypeScript.
• 3+ years experience with Azure or AWS cloud technologies.
• Experience developing and deploying IaC.
• Deep understanding of domain and event driven design.
• Knowledge of modern architecture patterns.
• Understanding of design principles, algorithms, and data structures.
• Proficient understanding of Git.
• Experience writing and automating unit tests and integration tests.
• Daily hands-on use of AI development tools such as Cursor, Claude, or GitHub Copilot.
• Demonstrated fluency in AI-assisted workflows.

Responsibilities

• Design and build applications, micro-services, and infrastructure for the Rethink First platform.
• Ensure the performance, quality, and responsiveness of applications.
• Collaborate with a team to define, design, and ship new features.
• Identify and correct bottlenecks and fix bugs.
• Help maintain code quality, organization, and automation.
• Use AI development tools as day-to-day toolset and help the team get more out of them without compromising code quality or security.
• Analyze and optimize applications for efficiency and performance.
• Promote robust and maintainable code, clear documentation, and deliver high-quality work on a tight schedule.

Skills

C#

JavaScript

TypeScript

Azure/AWS

IaC

Unit tests

AI tooling

Git

Education

Bachelor's degree in Computer Science

Tools

Azure DevOps

Docker

Kubernetes

Terraform

Job description

RethinkFirst is hiring a Full-Stack Senior .NET Developer to help deliver cloud-based applications and infrastructure to our growing customer base. You'll develop, design, test and deploy websites, support and maintain functionality, and embrace AI-first tooling in daily work.

Requirements include 5+ years' development experience, Bachelor's in CS, and proficiency in C#, JavaScript, TypeScript, plus Azure or AWS. Remote opportunities in the US available.