Python Platform Developer, Multi-Asset Strategies & Solutions (MASS), Associate/Vice President

About this role

Introduction to Multi-Asset Strategies & Solutions

The Multi-Asset Strategies & Solutions (MASS) team is the investment group at the heart of BlackRock's portfolio construction, asset allocation, and active management ecosystem. MASS draws on the full toolkit of BlackRock’s index, factor, and alpha-seeking investment capabilities to deliver precise investment outcomes and cutting-edge alpha insights. MASS constructs active asset allocation strategies and whole portfolio solutions across a wide spectrum of commingled funds, separate accounts, model portfolios, and outsourcing solutions in the wealth and institutional channels. Currently, MASS manages over $1 trillion in assets and has a strong presence in The United States, Europe, and Asia Pacific region.

MASS is committed to attracting, developing and retaining a diverse and inclusive workforce. We are passionate about creating and promoting an environment where all employees are valued and respected. Consistent with our diverse client base, we recognize the benefit that diversity brings to the success of our business.

Role Overview

As a technologist embedded in the Global MASS Portfolio Management team, you will design, build, and enhance technology and analytical tools used directly by portfolio managers. You will drive platform and process improvements, strengthen investment controls, and deliver scalable solutions that support global investment workflows.

Key Responsibilities

• Build core portfolio tooling

  • Design, develop, and maintain high-quality, reusable Python components that support critical portfolio management and investment decision workflows.

  • Ensure solutions are robust, performant, and maintainable, with appropriate testing and documentation.

• Partner with portfolio managers and citizen developers

  • Collaborate closely with portfolio managers and other investment professionals to translate investment processes into effective technology solutions.

  • Coach and mentor “citizen developers” to elevate the team’s technical standards, coding practices, and use of tooling.

• Integrate AI into development and investment workflows

  • Proactively explore and integrate AI technologies (e.g., GitHub Copilot, agentic AI frameworks) into development processes and investment tools to automate workflows and enhance productivity.

  • Identify and prototype use cases where AI can meaningfully improve quality, speed, or insight.

• Data and platform integration

  • Partner with global technology teams (including Aladdin Engineering) to integrate new data sources and capabilities through APIs and other interfaces.

  • Contribute to the design of data pipelines and architectures that ensure reliability, scalability, and data quality.

• Production support and monitoring

  • Monitor and support critical processes and applications owned by the team, ensuring high availability and reliability.

  • Respond promptly to incidents and issues impacting the business, performing root-cause analysis and driving permanent fixes and process improvements.

• Engineering excellence and DevOps

  • Formalize and maintain build, release, testing, and deployment processes for Python-based applications and algorithms.

  • Promote best practices in version control, code review, CI/CD, and environment management.

• Analytics and visualization

  • Design and maintain dashboards and data visualization solutions using tools such as Tableau, Power BI, or similar.

  • Present complex information in an intuitive way to support portfolio managers’ decision-making.

• Knowledge sharing and documentation

  • Develop and maintain high-quality technical documentation, runbooks, and training materials.

  • Lead or contribute to training sessions to expand the team’s technical knowledge base.

Required Qualifications

• 6–12 years of professional software engineering experience, with a strong focus on Python.

• Proven track record of writing production-grade, object-oriented Python code (packages, modules, testing, and code reviews).

• Experience building and maintaining applications or services that are used in business-critical workflows.

Preferred Qualifications

• Degree in Computer Science, Engineering, Data Science, Finance, or a related discipline.

• Prior experience using AI tools (e.g., GitHub Copilot, Windsurf, agentic AI frameworks) to automate workflows or enhance developer productivity.

• Hands-on experience with data visualization tools such as Tableau or Power BI.

• Exposure to financial markets, investment products, or risk/portfolio management concepts.

• Familiarity with APIs, data integration, and cloud-based architectures.

• Experience with CI/CD pipelines, automated testing frameworks, and modern DevOps practices.

What We Look For

• Strong sense of ownership and a proactive, solutions-oriented mindset.

• Deep curiosity and commitment to continuous learning across technology and financial markets, including BlackRock’s investment processes.

• Ability to thrive in fast-paced, dynamic environments with shifting priorities and tight deadlines.

• Focus on operational risk, delivering resilient, well-controlled and scalable solutions.

• Exceptional analytical, problem-solving, and debugging skills.

• Clear, effective communication and the ability to partner with non-technical stakeholders and global teams.

• Collaborative, low-ego approach that values diverse perspectives and challenges the status quo.

• Meticulous attention to detail and dedication to high-quality, data-driven outcomes.

Team members benefit from ongoing mentorship, access to cutting-edge technology platforms (including Aladdin), and the opportunity to contribute to high-impact, global initiatives within BlackRock.

Our benefits
To help you stay energized, engaged and inspired, we offer a wide range of benefits including a strong retirement plan, tuition reimbursement, comprehensive healthcare, support for working parents and Flexible Time Off (FTO) so you can relax, recharge and be there for the people you care about.

Our hybrid work model

BlackRock’s hybrid work model is designed to enable a culture of collaboration and apprenticeship that enriches the experience of our employees, while supporting flexibility for all. Employees are currently required to work at least 4 days in the office per week, with the flexibility to work from home 1 day a week. Some business groups may require more time in the office due to their roles and responsibilities. We remain focused on increasing the impactful moments that arise when we work together in person – aligned with our commitment to performance and innovation. As a new joiner, you can count on this hybrid model to accelerate your learning and onboarding experience here at BlackRock.

About BlackRock

At BlackRock, we are all connected by one mission: to help more and more people experience financial well-being.  Our clients, and the people they serve, are saving for retirement, paying for their children’s educations, buying homes and starting businesses. Their investments also help to strengthen the global economy: support businesses small and large; finance infrastructure projects that connect and power cities; and facilitate innovations that drive progress.

This mission would not be possible without our smartest investment – the one we make in our employees. It’s why we’re dedicated to creating an environment where our colleagues feel welcomed, valued and supported with networks, benefits and development opportunities to help them thrive.

For additional information on BlackRock, please visit @blackrock | Twitter: @blackrock | LinkedIn: www.linkedin.com/company/blackrock

BlackRock is proud to be an Equal Opportunity Employer.  We evaluate qualified applicants without regard to age, disability, family status, gender identity, race, religion, sex, sexual orientation and other protected attributes at law.