Dot Net FullStack developer

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Markets Technology is seeking an enthusiastic, detail-oriented Junior .NET Full Stack Developer to join our engineering team. In this role, you will work alongside senior software engineers, architects, and product owners to design, build, test, and maintain modern web applications and microservices that power our global financial platforms.

This position is tailored for early-career developers or recent graduates with solid foundational knowledge in object-oriented programming, .NET technologies, relational databases, and modern front-end web development. You will receive mentorship, structured training, and hands-on exposure to high-performance, enterprise-scale financial technology systems.

Key Responsibilities

Application Development & Engineering

Develop, debug, and maintain scalable backend services and RESTful APIs using C# and .NET Core / .NET 6+.

Assist in developing responsive, user-friendly UI components using Angular or React, TypeScript, HTML5, and CSS3.

Write efficient SQL queries, stored procedures, and interact with databases using SQL Server.

Integrate application components with messaging platforms (e.g., Apache Kafka) and third-party APIs under the mentorship of senior team members.

Quality Assurance, Testing & Code Health

Write comprehensive unit and integration tests using frameworks such as xUnit, NUnit, Jest, or Jasmine.

Participate in peer code reviews to receive constructive feedback, learn enterprise coding standards, and improve code maintainability.

Identify, triage, and resolve bugs and performance bottlenecks in existing applications.

Agile Collaboration & DevOps

Actively participate in Agile/Scrum ceremonies including daily stand-ups, sprint planning, backlog refinement, and sprint retrospectives.

Utilize version control systems (Git) following standard branching strategies (e.g., pull request reviews).

Learn and interact with CI/CD build and deployment pipelines, containerization (Docker), and automated testing tools.

Continuous Learning & AI Enablement

Leverage modern AI developer productivity tools (such as GitHub Copilot) responsibly and effectively to accelerate learning and coding velocity.

Proactively explore new frameworks, design patterns, and engineering best practices through internal training pathways.

Qualifications & Skills

Required Technical Skills

Core Backend: Strong foundational knowledge of C#, Object-Oriented Programming (OOP) principles, and basic web API development in .NET / .NET Core.

Database

Working knowledge of relational databases (e.g., Microsoft SQL Server, PostgreSQL), basic indexing.

Frontend Basics: Hands-on understanding of web fundamentals (HTML5, CSS3/SCSS, JavaScript/TypeScript) and familiarity with a modern frontend framework (Angular or React).

API Knowledge

Understanding of RESTful architecture, HTTP status codes, and data formats (JSON, XML).

Source Control

Basic proficiency with Git (clone, branch, commit, push, merge, pull requests).

Desirable / Good-to-Have Skills

Familiarity with messaging systems or event-driven concepts (e.g., Apache Kafka, MSMQ).

Familiarity with scripting languages (e.g., Python, PowerShell, Bash).

Basic understanding of containerization concepts (Docker) and cloud platforms.

Experience using developer AI tools (e.g., GitHub Copilot) and prompt techniques for development and testing.

Behavioral Competencies

Analytical Thinking

Strong problem-solving aptitude, logical reasoning, and attention to detail.

Communication Skills

Clear written and verbal communication skills; ability to ask clarifying questions and communicate technical progress.

Growth Mindset

High curiosity, eagerness to learn enterprise systems, and receptiveness to mentorship and technical feedback.

Collaboration

Ability to work effectively within a cross-functional and culturally diverse global team.

Education & Experience

Education: Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related quantitative field (or equivalent practical experience / coding bootcamp graduation).

Experience

2+ years of relevant software development experience (internships, academic projects, or professional entry-level roles).

Why Join Us

Mentorship & Growth

Work directly with seasoned technologists and domain experts who are invested in your career progression.

Enterprise Scale

Gain exposure to mission-critical financial applications that handle high transaction volumes globally.

Structured Learning Programs

Access to continuous technical training, certifications, and internal career mobility opportunities.

Inclusive Culture

A collaborative, diverse, and supportive working environment with modern developer tooling.

Job Family Group

Technology

Job Family

Applications Development

Time Type

Full time

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.