We are developing advanced software systems and data workflows to assess the financial impact and exposure to climate change. Our integrated data, analytics, indexes, and insights empower clients across the investment ecosystem to navigate the climate transition with clarity and confidence.

We are seeking a talented and driven Software Engineering Team Lead to join our ESG & Climate Application Development team in Budapest. In this role, you will collaborate with global, cross-functional teams to design, build, and evolve our leading-edge ESG, Climate, and Net-Zero solutions.

• Deliver new features for existing platforms and next-generation ESG & Climate applications.

• Monitor, analyze, and optimize application performance and scalability.

• Collaborate closely with Product Management, Research, QA, DevOps, and Infrastructure teams throughout the software development lifecycle.

• Lead and mentor a software engineering team working with Python and REST API frameworks (FastAPI, Flask, Django) on a cloud-based, big-data infrastructure.

• Design and implement robust, secure, and scalable data-driven applications using modern cloud technologies.

• Champion test-driven development and partner with QA, UI/UX, Product Owners, and Architects to ensure high-quality outcomes.

• Ensure on-time delivery of reliable, enterprise-grade software solutions.

• Demonstrate strong debugging, troubleshooting, and system-level thinking.

• Communicate effectively across teams and stakeholders and lead by example.

• Advocate for sustainable, efficient, and open-source-based architecture and tooling.

• Strong hands-on experience with Python and numerical computing libraries such as NumPy and Pandas.

• Proficiency in designing and developing RESTful APIs using FastAPI, Flask, or Django.

• Experience working with SQL and NoSQL databases, including schema design and optimization.

• Familiarity with data-intensive applications and scalable, cloud-native architectures.

• Solid understanding and application of software testing frameworks (e.g., pytest, unittest, BDD) and CI/CD practices.

• Proficient with Git and modern version control workflows.

• Practical experience with Azure Databricks, Spark, Polars, or similar analytics platforms.

• Hands-on experience with cloud platforms (Azure, Google Cloud) and building batch/ETL/integration pipelines.

• Experience designing, developing, and maintaining microservices in a cloud environment.

• Understanding of DevOps and security best practices.

• Exposure to or experience with open-source software ecosystems.

• Experience using AI/LLM tools to solve business problems or enhance developer productivity is a plus.

• Strong communication, collaboration, and problem-solving abilities.

• Bachelor's degree in Computer Science, Engineering, Mathematics, or a related field, or equivalent practical experience.

What we offer you

• Transparent compensation schemes and comprehensive employee benefits, tailored to your location, ensuring your financial security, health, and overall wellbeing.

• Flexible working arrangements, advanced technology, and collaborative workspaces.

• A culture of high performance and innovation where we experiment with new ideas and take responsibility for achieving results.

• A global network of talented colleagues, who inspire, support, and share their expertise to innovate and deliver for our clients.

• Global Orientation program to kickstart your journey, followed by access to our Learning@MSCI platform, LinkedIn Learning Pro and tailored learning opportunities for ongoing skills development.

• Multi-directional career paths that offer professional growth and development through new challenges, internal mobility and expanded roles.

• We actively nurture an environment that builds a sense of inclusion belonging and connection, including eight Employee Resource Groups. All Abilities, Asian Support Network, Black Leadership Network, Climate Action Network, Hola! MSCI, Pride & Allies, Women in Tech, and Women’s Leadership Forum.

At MSCI we are passionate about what we do, and we are inspired by our purpose – to power better investment decisions. You’ll be part of an industry-leading network of creative, curious, and entrepreneurial pioneers. This is a space where you can challenge yourself, set new standards and perform beyond expectations for yourself, our clients, and our industry.

MSCI is a leading provider of critical decision support tools and services for the global investment community. With over 50 years of expertise in research, data, and technology, we power better investment decisions by enabling clients to understand and analyze key drivers of risk and return and confidently build more effective portfolios. We create industry-leading research-enhanced solutions that clients use to gain insight into and improve transparency across the investment process.

MSCI Inc. is an equal opportunity employer. It is the policy of the firm to ensure equal employment opportunity without discrimination or harassment on the basis of race, color, religion, creed, age, sex, gender, gender identity, sexual orientation, national origin, citizenship, disability, marital and civil partnership/union status, pregnancy (including unlawful discrimination on the basis of a legally protected parental leave), veteran status, or any other characteristic protected by law. MSCI is also committed to working with and providing reasonable accommodations to individuals with disabilities. If you are an individual with a disability and would like to request a reasonable accommodation for any part of the application process, please email Disability.Assistance@msci.com and indicate the specifics of the assistance needed. Please note, this e-mail is intended only for individuals who are requesting a reasonable workplace accommodation; it is not intended for other inquiries.

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