Senior Data Engineer

Let’s be #BrilliantTogether

The ICOS 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 data warehouse environment

• Technical design documentation

• Design and execution of test strategies

• Provide 1st line/2nd line application support primarily for the ICOS systems

Qualifications/Required Skills

• 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

• Business domain : Indexing knowledge beneficial

• 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

Additionally, you need to be a team player with good communication skills, highly motivated, flexible and show willingness to learn and adopt new technologies quickly.

#LI-SQ1 #DIRECTOR #IT #STOXX

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. 

STOXX® and DAX® indices comprise a global and comprehensive family of more than 17,000 strictly rules-based and transparent indices. Best known for the leading European equity indices EURO STOXX 50®, STOXX® Europe 600 and DAX®, the portfolio of index solutions consists of total market, benchmark, blue-chip, sustainability, thematic and factor-based indices covering a complete set of world, regional and country markets. STOXX and DAX indices are licensed to more than 550 companies around the world for benchmarking purposes and as underlyings for ETFs, futures and options, structured products, and passively managed investment funds. STOXX Ltd., part of the ISS STOXX group of companies, is the administrator of the STOXX and DAX indices under the European Benchmark Regulation. 

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.