Senior Full Stack Engineer in C#/.NET/React and AWS

ISS STOXX GmbH; Mumbai; On-site; INR 300,000 - 700,000; Full time

Job summary

ISS STOXX GmbH in Mumbai (Goregaon East) is hiring a Senior Full Stack Engineer in C#/.NET/React and AWS to join the Liquid Metrix team.

You will architect, design, develop, and release scalable data processing and analytics platforms for monitoring trading venues, working within a global agile team.

Shift hours are 11 AM to 8 PM IST; the role offers opportunities to work with big data, AWS services, and modern UI technologies.

Qualifications

• Bachelor or Master in Computer Science, Information Technology, or related field.
• Minimum 6+ years of programming experience with C#, .NET 4.8+ and .NET 8+.
• Proficiency with SQL Server—schema design, query optimization, data imports, and partitioning.
• 2+ years’ experience with big data (TB) using distributed processing.
• Knowledge of AWS services (Redshift, S3, Kinesis Firehose, EC2, Elasticsearch).
• Experience with algorithms/heuristics to process large data sets.
• Strong problem-solving and analytical skills; SOLID design principles.
• Experience with Git or Maven for version control.
• Experience with TDD/BDD and AI-assisted coding tools (e.g., Copilot).
• Familiarity with UI tech (HTML/JS/React/Vue/Angular) is a plus.

Responsibilities

• Play a key role in a global agile team developing complex data-intensive applications.
• Handle all phases of software development from requirements to testing and support.
• Redesign systems to add features, improve performance, stability and scale.
• Collaborate to ensure robust architecture using design patterns.

Skills

C#

.NET framework

React

AWS

SQL Server

Big data

Algorithms/Heuristics

Git/Maven

TDD/BDD

AI-assisted coding

Education

Bachelor/Master in CS/IT or related field

Tools

Git

Maven

GitHub Copilot

Azure DevOps

Job description

ISS STOXX is actively hiring a Senior Full Stack Engineer in C#/.NET/React and AWS to join our Liquid Metrix team in Mumbai office (Goregaon East).

Overview:

Liquid-Metrix is a business unit of ISS-Stoxx group of companies. LQM services allow trading firms to monitor and compare performance of trading venues and order routing technology/algorithms/broker DMAs to make informed decisions to optimize trading.

Purpose, mastery and autonomy! We provide all three at ISS STOXX to develop state of the art data processing and analytical platforms. We are looking for a Senior Full Stack Engineer in C#/.NET/React to join our LQM development team to architect, design, develop, and release optimal solutions to business requirements.

Shift hours : 11 AM to 8 PM IST

Responsibilities:

• Play an active role in a global agile team developing complex applications to consume, process and transform large data sets.
• Responsible for all phases of software development process – from requirements analysis, effort estimation, technical design, implementation, and testing - to defect management and support.
• Study current systems and redesign them to add features & improve performance, stability and scale.

Qualifications:

• Bachelor/Master of computer science, information technology, or related fields
• Minimum 6+ years of programming experience with C#, .NET 4.8+, .NET 8+
• Proficiency with SQL Server - Schema design, query optimization, data imports, & partitioning
• 2+ years’ experience with big data (TB), using data driven, distributed, and parallel processing
• Knowledge of AWS – Redshift and experience with S3, Kinesis Firehose, EC2, or Elastic Search
• Knowledge of Algorithms & Heuristics to process large data sets.
• Excellent problem-solving and analytical skills
• Experience architecting complex systems with pragmatic use of design patterns and SOLID principles
• Ability to work independently to proactively meet the goals of a distributed global team
• Experience with version control using Git or Maven
• Experience with Test/Behavior Driven Development
• Experience using AI agents for code
• generation/refactoring/review/testing (e.g. GitHub Copilot).

Good to have:

• Familiarity with AI/ML platforms such as AWS Bedrock, Amazon Q, or similar
• Proficiency in UI development using HTML/JS/React/Vue.JS/Angular
• Experience with WPF, LINQ
• Performance profiling
• CI/CD pipelines such as Azure Dev-Ops
• An interest in BI Visualization tools such as Tableau, Sisense, & Power BI
• Familiarity with Python and a desire to learn further to be able enhance existing systems.
• Knowledge of financial markets & security trading

What You Can Expect from Us

At ISS STOXX, our people are our driving force. We are committed to building a culture that values diverse skills, perspectives, and experiences. We hire the best talent in our industry and empower them with the resources, support, and opportunities to grow—professionally and personally.

Together, we foster an environment that fuels creativity, drives innovation, and shapes our future success.

Let’s empower, collaborate, and inspire.

About ISS STOXX

ISS STOXX GmbH is a leading provider of research and technology solutions for the financial market. Established in 1985, we offer top-notch benchmark and custom indices globally, helping clients identify investment opportunities and manage portfolio risks. Our services cover corporate governance, sustainability, cyber risk, and fund intelligence. Majority-owned by Deutsche Börse Group, ISS STOXX has over 3,400 professionals in 33 locations worldwide, serving around 6,400 clients, including institutional investors and companies focused on ESG, cyber, and governance risk. Clients trust our expertise to make informed decisions for their stakeholders’ benefit.

Specifically, ISS LiquidMetrix provides a wide range of offerings, including Transaction Cost Analysis (TCA), execution quality, market abuse, and pre-trade analysis services across every public order and trade executed on European venues. Clients include sell sides, buy sides, exchanges, and regulators that require actionable analysis, reports, compliance tools, and global coverage.

Visit our website: https://www.issgovernance.com

View additional open roles: https://www.issgovernance.com/join-the-iss-team/

Institutional Shareholder Services (“ISS”) is committed to fostering, cultivating, and preserving a culture of diversity and inclusion. It is our policy to prohibit discrimination or harassment against any applicant or employee on the basis of race, color, ethnicity, creed, religion, sex, age, height, weight, citizenship status, national origin, social origin, sexual orientation, gender identity or gender expression, pregnancy status, marital status, familial status, mental or physical disability, veteran status, military service or status, genetic information, or any other characteristic protected by law (referred to as “protected status”). All activities including, but not limited to, recruiting and hiring, recruitment advertising, promotions, performance appraisals, training, job assignments, compensation, demotions, transfers, terminations (including layoffs), benefits, and other terms, conditions, and privileges of employment, are and will be administered on a non-discriminatory basis, consistent with all applicable federal, state, and local requirements.