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

Let’s be #BrilliantTogether 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: L iquid-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 #MIDSENIOR #LQM #LI-AK1 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. Let’s be #BrilliantTogether. 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: View additional open roles: Institutional Shareholder Services (“ISS”) is committed to fostering, cultivating, and preserving a culture of diversity and inclusion. 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