C# Application Engineer

CyberCoders; New York (NY); On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Medical / Dental / Vision insurance

Pension Plan

401(k) and 457(k) retirement savings デ

Job summary

CyberCoders in New York is seeking an Application Developer to design, build, and maintain scalable software solutions using C# and .NET. You will collaborate across product, QA, and operations in an Agile environment, implement CI/CD pipelines in Azure DevOps, and mentor junior developers.

The ideal candidate has 3+ years of hands-on experience, strong API skills (REST/GraphQL), and a passion for reliable, maintainable code.

Qualifications

• Bachelor's degree or equivalent practical experience in CS/SE.
• 3+ years of professional application development experience with C# and .NET.
• Experience with Agile, Git workflows, and Azure DevOps CI/CD pipelines.
• Experience designing/consuming REST and GraphQL APIs.

Responsibilities

• Design, develop, test, and maintain application components and services using C# and related .NET technologies.
• Collaborate with product owners, QA, and operations in an Agile team to plan and deliver increments of work (sprints).
• Implement and maintain CI/CD pipelines using Azure DevOps to automate builds, tests, and deployments.
• Use Git for version control: branch, merge, resolve conflicts, and participate in pull request/code review processes.
• Build and consume APIs (REST and GraphQL-based APIs), and design integration points with third-party services.
• Write unit, integration, and automated tests to ensure code quality.
• Diagnose, troubleshoot, and resolve application issues; perform performance tuning.
• Document designs, implementation details, runbooks, and handover materials to support maintainability and knowledge sharing.
• Participate in architecture and design discussions, contributing ideas for scalable, secure, and maintainable solutions.
• Mentor junior developers and help enforce coding standards and best practices.

Skills

C#

REST/GraphQL APIs

Agile

Git

Azure DevOps

CI/CD

Docker

Kubernetes

Azure

Education

Bachelor's degree in CS or related field

Tools

Azure DevOps

Docker

Kubernetes

Job description

Application Developer

We are seeking an Application Developer to design, build, and maintain scalable, highquality software solutions. The role focuses on developing server-side and integration components using C#, participating in an Agile environment, and supporting endtoend delivery through Git and Azure DevOps pipelines. The successful candidate will collaborate with product owners, QA, and operations to deliver features, improve performance, and ensure application reliability.

Key Responsibilities

• Design, develop, test, and maintain application components and services using C# and related .NET technologies.
• Collaborate with product owners, designers, QA, and operations in an Agile team to plan and deliver increments of work (sprints).
• Implement and maintain CI/CD pipelines using Azure DevOps to automate builds, tests, and deployments.
• Use Git for version control: branch, merge, resolve conflicts, and participate in pull request/code review processes.
• Build and consume APIs (REST and GraphGL-based APIs), and design integration points with third-party services.
• Write unit, integration, and automated tests to ensure code quality and reduce regressions.
• Diagnose, troubleshoot, and resolve application issues; perform performance tuning and optimization.
• Document designs, implementation details, runbooks, and handover materials to support maintainability and knowledge sharing.
• Participate in architecture and design discussions, contributing ideas for scalable, secure, and maintainable solutions.
• Mentor junior developers and help enforce coding standards and best practices.

Qualifications

• Bachelors degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
• 3+ years of professional experience in application development, with strong handson experience in C# and the .NET ecosystem.
• Proven experience working in an Agile environment and participating in sprint ceremonies (planning, standups, retrospectives).
• Solid experience with Git for version control and collaboration workflows (feature branches, PRs).
• Experience configuring and maintaining CI/CD pipelines in Azure DevOps (build/release pipelines, artifacts).
• Familiarity with GraphGL (and related graph API concepts) and experience designing or consuming APIs; experience with REST APIs is also required.
• Experience writing unit and integration tests with common testing frameworks (e.g., "xUnit, NUnit, MSTest").
• Knowledge of cloud services and deployment patterns, particularly Microsoft Azure (App Services, Functions, Storage, etc.).
• Strong problemsolving skills, attention to detail, good communication skills, and the ability to work effectively in a collaborative team environment.
• Preferred: experience with containerization (Docker), orchestration (Kubernetes), frontend frameworks, and relevant certifications (Microsoft/Azure).

Benefits

• Medical / Dental / Vision insurance
• Pension Plan
• 401(k) and 457(k) retirement savings programs
• PTO
• FSA
• Short & Long-term disability insurance
• Life insurance