senior backend python developer jobs in New York

1,000 senior backend python developer job listings in United States. Find daily updated positions from leading job boards.


  • New York, NY, United States Varite Full-time

    Duration: 12+ MonthsJob Description: Client is scaling its AI and software engineering capabilities as part of a broader modernization and "rewire" initiative across infrastructure systems. This role is for a senior, hands-on software engineer who will contribute to building new application functionality while integrating with complex legacy...


  • New York, NY, United States Trilogy Innovations Full-time

    Trilogy Innovations is seeking a Senior Backend Software Developer to join a distributed, federally-focused engineering team. This remote role concentrates on modernizing legacy systems into cloud-native microservices running in AWS GovCloud, ensuring reliability and security across national-scale IT environments. You will mentor developers, contribute to...


  • New York, United States Ex Services Full-time

    Ex is seeking a highly skilled Senior Java Backend Engineer to support Oracle database upgrade readiness and application compatibility remediation. You will assess Java applications impacted by Oracle database and JDBC driver upgrades, implement required code and configuration changes, and ensure successful integration, regression, deployment, and production...

  • Senior kdb+ Developer

    13 hours ago


    New York, United States Data Intellect Full-time

    Company DescriptionEvery query matters. Every millisecond counts. Every system you build shapes the future of data-driven finance.At Data Intellect, we thrive on solving complex data challenges in high-stakes environments. We’re a team of engineers, problem-solvers, and collaborators who believe in pushing boundaries, not egos.If you're a seasoned kdb+...


  • New York, United States Fitch Group Full-time $120,000 - $150,000 Contract

    Senior Software Engineer, Full-Stack Applications (Python & React) Fitch Ratings is seeking a Senior Software Engineer to join our global Ratings Technology team in New York. This is an opportunity to build and enhance mission-critical applications that power the workflows, analytics, and decision-making processes used by analysts across a world-leading...


  • New York, New York, United States, New York Jose Merciline Full-time

    The RoleYou will get to:Implement new features using modern API server-side frameworks, libraries, and tools (Ruby on Rails with Apollo GraphQL)Work with team leads to develop systems and services for Thirty Madison users across all of our healthcare brandsCollaborate on peer code reviews and architecture discussionsYou should have:3+ years experience as a...


  • New York, United States TechDigital Group Full-time

    TechDigital Group in New York, NY is seeking a senior backend developer to contribute to backend services and web applications. You will design, implement, and test components, collaborates with frontend teams, and ensure system stability and performance.The role requires strong Java fundamentals, Spring Framework experience, REST API work, and a solid...


  • New York, United States Naologic Full-time

    A cutting-edge tech company in New York is seeking a Senior Backend Developer to design next-generation AI-native ERP solutions. The role focuses on backend logic, database architecture, and performance optimization. Ideal candidates will have extensive experience with TypeScript, NestJS, and enterprise software. Strong commitment and ability to tackle...

  • Lead Backend Engineer

    13 hours ago


    New York City, New York, United States US Mobile Full-time $180,000 - $240,000 Contract

    US Mobile is building the future of wireless communication. The goal: one unified network open to any person and any device, worldwide. Connection without walls. We’re getting there by empowering customers. All three major networks on one phone and one plan, plus home internet from Starlink. No lock-in. No commitments. Custom fit plans at every price...


  • New York City, New York, United States Palo Alto Networks Remote Full-time $147,000 - $237,500 Contract

    Our MissionAt Palo Alto Networks®, we’re united by a shared mission—to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking. Here, everyone has a voice, and every idea counts. If you’re ready to do the most meaningful work of your career...


  • New York, NY, United States Holafly Full-time

    Holafly, a fast-growing startup, is hiring a Senior Backend Developer (100% remote) to join the IT Delivery team. You will build and optimize mission-critical microservices, design high-performance APIs, and ensure scalability and resilience for millions of users. You will implement unit testing, automated quality checks, and contribute to architectural...


  • New York, United States Citi Full-time

    Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview The Senior Software Engineer (Java/Python) is an...


  • New York, United States Alignerr Remote Full-time $50 - $75 Permanent

    About The Role What if your Python expertise could directly shape the infrastructure powering next-generation AI? We're looking for a Senior Python Full-Stack Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve their models. This is a fully remote contract role...


  • New York, United States Compunnel Full-time

    A technology consulting firm in New York is seeking an experienced Senior Python Developer to join their Cloud Platform Engineering team. In this role, you will design and develop cloud solutions that enable automation and governance, utilizing AWS services and Infrastructure as Code principles. Ideal candidates will have extensive experience with cloud...

  • Vice President

    12 hours ago


    New York, United States Morgan Stanley Full-time $155,000 - $215,000 Contract

    In the Technology division, we leverage innovation to build the connections and capabilities that power our Firm, enabling our clients and colleagues to redefine markets and shape the future of our communities.This is a Software Engineering position at the Vice President level, which is part of the job family responsible for developing and maintaining...


  • New York City, New York, United States 2Bridge Partners Full-time $200,000 - $300,000 Contract

    Senior Staff Software Engineer — Real-Time Distributed Systems (C#, .NET, gRPC)2Bridge Partners has been engaged in the search for a direct-hire Senior Staff Software Engineer with a strong background building real-time, message-based B2B or trading applications in C#, .NET, and gRPC.Our client is an established technology firm developing high-throughput,...


  • New York, NY, United States Capgemini Full-time

    Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of...

  • Senior Python

    4 days ago


    New York, United States Compunnel Full-time

    Compunnel, Inc. in New York is seeking a Senior Python & SQL Developer to design, build, and maintain scalable enterprise applications, APIs, and data integration solutions. You will work with business users, architects, and teams to deliver reliable software and solutions.The role requires strong Python/SQL expertise, REST API development, ETL processes,...


  • New York, United States Clay Labs Full-time $170,000 - $300,000 Contract

    About ClayAI is unleashing the biggest wave of company creation in history. Clay's mission is to be the engine those companies use to grow to their full potential.Clay predicts the next best action for your business and then helps you take it. We started by aggregating the best data for B2B companies. Then, we built the infrastructure to run any personalized...


  • New York, United States The Greene Group Full-time

    About the Company: Our client is a major financial firm that is seeking a Senior Full Stack Developer to join their team in New York, NY. Qualifications: A Bachelor’s or Master’s Degree in Computer Science or Engineering 7+ years of experience with modern Web Technology such as Angular 8, React, TypeScript, HTML, CSS, d3.js, NodeJS, ag-grid, Webpack,...