ISS STOXX
Financial Market
SeniorSoftwareEngineer–Python&Cloud
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“Senior Software Engineer – Python & Cloud at ISS STOXX. Skills: Python, Google Cloud Platform (GCP), Serverless architecture. Application development and maintenance of key components of the index calculation platform. Designing and implementing serverless, event-driven, and microservices-based architectures on GCP”
What You'll Achieve.
Ensuring solutions are scalable, resilient, and cost-efficient; Fostering high code quality and scalable solution design
Industry & Context.
Excellent analytical skills
What They're Looking For.
Must Have
Python mastery: Deep understanding of design patterns, OOP, and Pythonic code, FastAPI expertise: 4+ years building high-performance APIs, Data processing: Expert-level Pandas, Polars, NumPy and optimization techniques for large datasets, Cloud platforms: Hands-on with GCP (preferred), AWS, or Azure including containerization, Cloud functions/serverless compute, Database proficiency: Excellent Oracle PLSQL and RDBMS experience (Oracle), Scheduling: Experience with Control-M or other scheduling tools, ETL knowledge: Exposure with Informatica Powercenter, Deployment: Experience with CI/CD pipelines and infrastructure as code (Terraform), A high motivation to support and operate a complex & challenging data warehouse environment, Excellent analytical skills, Proficiency in written and spoken English, Team player with good communication skills, Highly motivated, Flexible, Willingness to learn and adopt new technologies quickly
Nice to Have
Indexing knowledge beneficial
What You'll Do.
Application development and maintenance of key components of the index calculation platform
Designing and implementing serverless
and microservices-based architectures on GCP
Developing and maintaining cloud-native applications
data processing pipelines
and APIs using services such as Cloud Functions
Evolving system and data architecture within a complex business process and data warehouse environment
Designing and developing Python-based services and FastAPI-driven APIs in a GCP environment
Building and maintaining serverless applications and event-driven integrations
Implementing and optimizing data architectures leveraging BigQuery and other managed GCP services
Contributing to CI/CD pipelines and infrastructure-as-code practices
Implementation of complex business rules and index concepts
Maintenance and design of a complex & challenging data warehouse environment
Provide 1st line/2nd line application support primarily for the ICOS systems
How You'll Work.
Team & Collaboration
Mentor and coach team members in Python best practices, cloud-native design on GCP, and serverless architecture patterns; Fostering high code quality and scalable solution design; Team player
Communication Scope
Proficiency in written and spoken English; Good communication skills
Process & Methodology
Technical design documentation, Design and execution of test strategies
Full Job Description
Let’s be #BrilliantTogether ISS STOXX is growing! We are seeking an experienced and qualified **Senior Software Engineer – Python & Cloud **to join our dynamic team in Gurgaon. **Overview:** The ICOS (Index Configuration and Operation System) Development team within our Index business is responsible for the application development and maintenance of key components of the index calculation platform. The ideal candidate will bring deep expertise in Python development, hands-on experience with Google Cloud Platform (GCP), and a strong understanding of serverless architecture patterns. While familiarity with Oracle PL/SQL is beneficial, the primary focus of this role is designing and building scalable, cloud-native solutions using Python within a modern data and application ecosystem. You will strengthen the ICOS Development team by designing and implementing serverless, event-driven, and microservices-based architectures on GCP. This includes developing and maintaining cloud-native applications, data processing pipelines, and APIs using services such as Cloud Functions, Cloud Run, BigQuery, Pub/Sub, and Cloud Storage. You will play a key role in evolving system and data architecture within a complex business process and data warehouse environment, ensuring solutions are scalable, resilient, and cost-efficient. **Tasks/responsibilities:** * Designing and developing Python-based services and FastAPI-driven APIs in a GCP environment * Building and maintaining serverless applications and event-driven integrations * Implementing and optimizing data architectures leveraging BigQuery and other managed GCP services * Contributing to CI/CD pipelines and infrastructure-as-code practices * Implementation of complex business rules and index concepts * Mentor and coach team members in Python best practices, cloud-native design on GCP, and serverless architecture patterns, fostering high code quality and scalable solution design * Maintenance and design of a complex & challenging da
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