C# Full Stack Developer

28Stone

Detail-oriented engineers focusing on modernization and supporting financial services operations processes at a full service custom solutions firm.

Posted 7/13/2026contractGreenwich • Connecticut • 🇺🇸 United StatesSeniorLead💰 $100 - $140 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building web applications using C# and JavaScript/TypeScript, with a strong focus on modernization of financial services systems. Possesses outstanding coding, debugging, and analytical skills, complemented by effective communication and collaboration abilities.

Highest-signal resume keywords

C# DevelopmentJavaScript/TypeScript DevelopmentAngular FrameworkSQL Database ManagementAWS Cloud Services

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Web Application DevelopmentMission-Critical Business ApplicationsCoding SkillsDebugging SkillsAnalytical Skills

Soft Skills

Good Communication SkillsTeam Collaboration

Tools & Technologies

AI Development ToolingSource Control SystemsVersion Control SystemsGitMQ

Certifications & Qualifications

Bachelor’s Degree in Computer ScienceMaster’s Degree in Engineering

Industry Keywords

Financial ServicesSoftware Development Best PracticesSystem ModernizationOperational Processes

Tech Stack

Tools & technologies

AngularAWSCloudJavaScriptSQLTypeScript

About the role

Key responsibilities & impact

We are looking for seasoned, detail-oriented engineers with strong technical judgment and an ownership mindset.
The role is focused on modernization or replacement of existing systems and development of new systems to support financial services operations processes.

Requirements

What you’ll need

Bachelor’s or Master’s degree in Computer Science, Engineering, or related discipline
7+ Years of work experience building web applications with C# and JavaScript/TypeScript
Experience building mission-critical business applications
Ability to work independently and collaborate in a team
Experience with Angular or other web frameworks
Experience with AWS or other cloud providers is a plus
Experience with AI development tooling is a plus
Experience with SQL databases
Experience with MQ
Outstanding coding, debugging, and analytical skills
Good communication skills
Experience with Source / Version control systems such as Git
Familiarity with software development best practices

Benefits

Comp & perks

This is a contractor position only (C2C).
Looking for individuals with 7+ years of experience.
Compensation ranges from $100-140 per hour based on experience and qualifications. Higher rates may be considered for exceptionally strong candidates.
Candidates should be local to the Greenwich, CT Area and can work in a hybrid model (2-3 days in the office).
We are flexible and take an individualized approach with each candidate we meet, so we encourage you to apply even if you do not meet every listed requirement.
Only candidates who have the right to work in USA are considered for this position.