Software Engineer
Company: Haystack
Location: New York City Metropolitan Area
Type: Full-time
Level: mid
Posted: 2026-02-13
About this role
Data Science Software Engineer | New York, New York State, United States | Hybrid
We're working with MassMutual on this exciting opportunity. Join a fast-paced R&D team to build systems, infrastructure, and applications that drive Data Science and AI initiatives across the enterprise. This role offers the chance to influence technical strategies and operationalize AI solutions.
The Role
• Collaborate with diverse stakeholders to define strategies for data ingestion, cloud infrastructure, and application development.
• Serve as a technical Subject Matter Expert (SME), guiding architectural decisions and ensuring alignment with enterprise standards.
• Provide technical leadership for multiple initiatives, promoting engineering best practices and high-quality delivery.
• Design and implement reusable software libraries and components to accelerate development and increase efficiency.
• Lead complex problem-solving to deliver scalable, resilient, and maintainable systems.
• Implement infrastructure-as-code and monitor/remediate software vulnerabilities.
What You'll Need
• 7+ years working with data and relevant computational frameworks and systems.
• 7+ years of experience building complex software systems (pipelines/services/backends/frontends).
• 7+ years of software development experience using Python and developing backend applications with API services.
• 5+ years of experience with AWS cloud services (EKS, EC2, Lambda, etc.) and Terraform.
• 7+ years of experience writing complex SQL queries for relational databases.
• 5+ years of experience with Agile methodologies and hands-on experience with Jenkins pipelines and/or GitHub Actions.
What's On Offer
• Opportunity to work in a highly collaborative and innovative R&D environment.
• Be part of a talented, cross-functional team that values learning and continuous improvement.
• Direct impact on MassMutual’s Data Science and AI ecosystems.
• Emphasis on innovation, fun, accountability, and building...