Senior .NET Full Stack Developer

Citibank (Switzerland) AG; Pune District; Hybrid; Confidential; Full time

Job summary

Citi in Pune seeks a Senior .NET Full Stack Developer to join a hybrid team delivering high-performance applications. You will develop with C#, .NET Core, Angular, and SQL while architecting microservices and RESTful APIs. You’ll also implement testing, logging, and CI/CD practices in a fast-paced environment.

You will collaborate with traders and IT teams to ensure stability, efficiency, and scalable solutions, with opportunities to mentor juniors and participate in releases and documentation.

Qualifications

• 6+ years of experience in developing & managing applications.
• Strong knowledge of C#, .NET, and RESTful APIs.
• Experience with microservices, EF Core, and unit testing.

Responsibilities

• Provide technical and business support for Citi Applications.
• Act as liaison between users, traders, and internal tech groups; coach junior analysts.
• Participate in application releases from development to production and perform post-release checks.

Skills

C#

.NET

.NET Core 2+

Angular 16+

SQL

Python

RESTful APIs

Microservices

Entity Framework Core

Unit Testing

DI / Dependency Injection

Logging (Serilog/NLog)

Kafka/Messaging

jQuery/JSON/HTML/CSS

JIRA/Bitbucket/uDeploy

ECS/CICD

BigData/Hadoop

AI tools & agents

Education

Bachelor’s degree / B.Tech / M.E. / M.Tech

Tools

JIRA

Bitbucket

uDeploy

ECS

Job description

## Senior .NET Full Stack DeveloperApply: Hybrid: Pune Maharashtra India: Full time: Posted Today: End Date: September 25, 2026 (8 days left to apply): 26992810We value our talented employees, and whenever possible strive to help one of our associates grow professionally before recruiting new talent to our open positions. If you think the open position you see is right for you, we encourage you to apply!Our people make all the difference in our success.Our mission as a business focused technology organization is to provide best-in-class products and services to our global clients. ISG is focused on building a cross-functional team of talented professionals and creating a unique platform to deliver products that will disrupt the industry through technical innovation and creativity. CODST Technology is looking for an experienced **Apps Dev Intermediate Programmer Analyst.****We are looking for an avid technologist who** -* applies analytical thinking and knowledge of development methodologies. Requires attention to detail when making judgments and recommendations based on the analysis of factual information.* deals with most problems proactively and has some latitude to solve complex problems. Integrates in-depth specialty area knowledge with a solid grasp of industry standards and practices.* typically deals with variable issues with potentially broader business impact.* applies professional judgment when interpreting data and results. Breaks down information in a systematic and communicable manner.* with a developed communication and diplomacy skills are required in order to exchange potentially complex information.* can be moderate but direct impact through close contact with the businesses' core activities. Quality and timeliness of service provided will affect the effectiveness of own team and other closely related teams.**Here is what you bring -*** You have **6+ years** of experience in developing & managing applications.* You are expert in logical thinking and coding.* You are expert in C#, .NET, .NET Core 2+, Angular 16+, SQL, Python **C#**: Advanced knowledge in object-oriented programming, LINQ, and asynchronous programming.* **.NET Framework & .NET Core (2+)**: Strong experience in building scalable, high-performance applications.* **ASP.NET Core**: Expertise in developing RESTful APIs, middleware, and dependency injection.* **Entity Framework Core**: Proficient in database-first and code-first approaches for data access.* **Microservices Architecture**: Strong understanding of designing and implementing microservices using .NET Core.* **Windows Services**: Experience in creating and managing background services.* **Unit Testing**: Proficient in testing frameworks like xUnit, NUnit, and Moq for .NET applications.* **Dependency Injection**: Expertise in implementing DI patterns for loosely coupled architecture.* **Logging**: Experience with Serilog, NLog, and Microsoft.Extensions.Logging for application monitoring.* You have strong experience in Rest API, Kafka/Messaging queue You have strong experience in JQuery, JSON, HTML and CSS* You have experience in installing, configuring or supporting business applications* You have experience working with Efficiency Tools JIRA, Bitbucket, uDeploy* You have exposure to ECS, CICD Pipelines* You have exposure to AI tools & agents* You have exposure to BigData/Hadoop* You possess advanced execution capabilities and ability to adjust quickly to changes, especially in prioritization* You have excellent writing and communication skills, with a knack for taking technical language and making it comprehensible* You have a passion for solving tough problems and proposing elegant solutions.* You are an avid learner with an ability to learn and adapt so that you can help teach others and encourage idea exchange and information percolation**On a typical day here is what you could do -*** You will provide technical and business support for users of Citi Applications. This includes providing quick resolutions to app issues, driving stability, efficiency and effectiveness improvements to help us and the business succeed.* You will act as a liaison between users/traders, interfacing internal technology groups and vendors and as an advisor or coach to new or junior analysts.* You will participate in application releases, from development, testing and deployment into production. Perform post release checkouts after application releases and infrastructure updates. Develop and maintain technical documentation.* You will maintain application systems that have completed the development stage and are running in the daily operations of the firm.* You will manage, maintain and support applications and their operating environments, focusing on stability, quality and functionality against service level expectations.* You will assist in appropriately assessing risks when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal**Education:*** Bachelor’s degree /B.Tech / M.E. / M.Tech or equivalent combination of technical education and work experience**Why choose Citi:*** Over 200 years in business with a great team of creative, visionary and entrepreneurial thinkers.* Tremendous opportunities to advance, open to everyone across all levels. Learn and grow simultaneously!* We offer a unique journey of personal and professional development, accomplishment and satisfaction.* We value intelligence and a global mindset. There is a strong culture of empowerment here – we embrace diversity.* We do our best to be flexible and may differ depending on the business or area.* Citi India supports would be and returning mothers with various child care benefits.* Citi offers a robust training program. We continually reevaluate our training model to ensure that we are always offering the most relevant and best in class training.* At Citi, we value internal mobility. We want you to build a long-term career with us, so you can expect opportunities to move around the organization.**Competencies :**• Requires good communication, presentation and written skills • Ability to think Out of the box for any given business requirement • Act as a change agent to drive innovation------------------------------------------------------## **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.*