Top Senior Python Engineer Jobs in NYC, NY

The Senior Python Engineer will develop and support MongoDB Python drivers, enhance library quality, and collaborate on product features.

Lead design and deliver production-grade trading systems using Python and Java, build AI-native platforms, champion AI-assisted engineering practices, partner with Credit Sales & Trading, support production stability, and drive adoption of secure, automated SDLC and cloud-native solutions.

Design and implement high-performance C++ systems for machine learning, computer vision, and 3D modeling. Apply research, optimize algorithms, manage source control with Git, deploy and test on cloud using Unix-based systems, and work with large-scale geospatial datasets to generate 3D content.

Design and develop software solutions, analyze complex problems, and provide support for trading activities in a dynamic environment.

The Senior Lead Data Engineer designs and develops technical solutions, leads a team of developers, and utilizes big data and cloud technologies to deliver robust solutions for Capital One.

Lead diverse technology projects in distributed microservices and full stack systems, mentoring team members and collaborating with product managers on cloud-based solutions.

Lead the design and implementation of data architecture strategies within AI and ML, collaborating with stakeholders to enhance data solutions and ensure compliance with governance policies.

Lead a team to develop distributed systems using Golang and Python on Kubernetes, collaborate on AI/ML solutions, and drive technological innovation.

Lead full‑stack teams to design and deliver cloud-based, microservices solutions. Mentor engineers, collaborate with product managers, and build scalable systems using Python, ReactJS, AWS, containers, and modern data tools to meet regulatory and customer needs.

Alaffia Health seeks a Senior Python Engineer to develop AI-driven medical billing applications, focusing on backend API development and data processing. Responsibilities include collaborating across teams, improving observability practices, and ensuring successful project delivery.

Lead ownership of Pluralsight's Search backend: build and maintain scalable, reliable ingestion and query systems, design and analyze experiments, consume and produce platform data, collaborate cross-functionally, and participate in on-call rotation to resolve alerts and improve the system.

Design and deliver scalable Python applications for mortgage trading, analytics, workflows, and reporting. Integrate platforms with business, risk, and product teams. Lead full development lifecycle, apply AI/GenAI to automate workflows and analysis, ensure CI/CD, testing, and production readiness, resolve complex issues, coach junior staff, and act as SME with limited supervision.

Design, build, test, and maintain backend applications using FastAPI and SQLAlchemy. Implement database schemas, integrate front-end components, optimize for performance and scalability, debug issues, participate in code reviews, and collaborate on feature design. Maintain clean, testable code and stay current with best practices.

Design and build backend systems and APIs for AI-driven products, ensuring scalability, reliability, and integration of ML models while collaborating with engineering and product teams.

The role involves developing scalable backend services using Python, optimizing performance, integrating AI features, and collaborating with cross-functional teams.

Lead a portfolio of technology projects with a team of developers to create solutions for regulatory needs, collaborating on cloud-based projects while mentoring engineers.

As a Senior Associate, the role involves designing data architecture, collaborating with stakeholders, and mentoring team members while ensuring data quality and implementing solutions using programming languages and cloud platforms.

Design and implement data federation and lakehouse architectures, build scalable ETL/ELT pipelines with Python and Spark, optimize performance across federated queries, manage Delta/Iceberg/Hudi tables, and enforce governance, security, and access controls for analytics and AI teams.

Lead design, development, and maintenance of enterprise-grade Generative AI platforms and services using Python, Node.js, and TypeScript. Architect scalable AI integrations, work with data science and business stakeholders, deploy GenAI products, enforce coding and testing standards, mentor engineers, and ensure governance, risk, and operational best practices across Citi's GenAI ecosystem.

Lead end-to-end automation projects that replace manual ops workflows with production-grade AI-driven, agentic orchestration. Partner with non-technical stakeholders to discover problems, architect and ship full-stack solutions, measure business impact, and maintain robust guardrails and error handling for reliable production use.

Lead backend development on the scheduling platform modernization, contribute across products, write APIs, and drive AI-accelerated software development workflows.

Senior developer responsible for design and development of multi-tier applications using Java, C++ and Python. Must have strong object-oriented skills, standalone development experience, domain knowledge in derivatives/fixed income and regulatory reforms (Dodd-Frank), and strong communication with business and testing teams.

Design, develop, and maintain scalable Python applications; collaborate with cross-functional teams to deliver features; ensure performance and quality; identify and fix bugs; maintain code quality and automation; lead and mentor team members using agile practices.

Design, develop, and maintain Airflow DAGs and ETL/ELT pipelines; integrate with databases, APIs, and cloud storage; optimize and monitor pipelines; troubleshoot failures; collaborate with data teams; ensure code quality, testing, deployment practices; document work and mentor junior engineers.

Design, build, test, and maintain high-performance Python data applications and backend services. Lead technical design, review code, mentor junior engineers, integrate with databases and cloud services, optimize performance, and ensure security, scalability, and reliability.