{"schemaVersion":"jobsearcher.job.v1","id":"3edb99f6f53dd014dc2bfda5","url":"https://jobsearcher.com/jobs/3edb99f6f53dd014dc2bfda5","canonicalUrl":"https://jobsearcher.com/jobs/3edb99f6f53dd014dc2bfda5","title":"Lead Python Developer, New York","description":"Overview\nIn this role you will build scalable Python-based microservices and cloud-native applications for top-tier financial clients. You’ll work in an Agile team to design and implement risk platforms and data-processing systems, leveraging streaming and REST technologies. You will shape architecture with Docker, Kubernetes, and Kafka to deliver high-performance financial software. This is an opportunity to impact risk management and data workflows at scale.\n\nCompensation / Benefitsbase salary range (disclosed)discretionary bonusinclusive environmentequal employment opportunity policyon-site work in New Yorkopportunities across multiple levels\nResponsibilitiesDevelop scalable Python-based microservices to process data streams using streaming, messaging, and REST technologiesDesign and implement robust solutions for market and credit counterparty risk platformsUtilize advanced Python features to build efficient and maintainable codeArchitect and implement solutions using Consul, Docker, Kubernetes, Kafka, and SparkCollaborate with cross-functional teams in an Agile environment to deliver high-quality financial systemsCreate and optimize database models for SQL, MongoDB, and key-value storesBuild and maintain testing frameworks using Behave and PyTest to ensure software reliabilityDesign and implement asynchronous operations, multithreading, and multiprocessing in PythonDevelop and deploy cloud-native applications in AWS environmentsLead the design and integration of messaging, streaming, and REST APIsEnsure high-performance, scalable solutions with consistent deployment processes\nKey requirements8+ years of commercial-grade software development experience with complex applicationsStrong expertise in Python 3.4+, including advanced language features, asynchronous operations, and OOP/functional programming principlesProven experience with market and credit counterparty risk platforms (mandatory)Experience developing cloud-native applications on AWS (mandatory)In-depth knowledge of microservices architecture and data modelingExpertise in messaging, streaming, and REST API developmentFamiliarity with tools like Consul, Docker, Kubernetes, Kafka, and SparkProficiency in Agile development methodologiesBachelor's or Master's degree in Computer Science, Engineering, Physics, Math, or equivalent work experiencecollaborationproblem-solvingcommunicationPython 3.4+ (async, OOP/FP)microservices architecturedata modeling (SQL, MongoDB, key-value stores)","company":"Ion Group","rawCompany":"ion group","city":"White Plains","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-09-15T04:46:34.167Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Lead Python Developer, New York","description":"Overview\nIn this role you will build scalable Python-based microservices and cloud-native applications for top-tier financial clients. You’ll work in an Agile team to design and implement risk platforms and data-processing systems, leveraging streaming and REST technologies. You will shape architecture with Docker, Kubernetes, and Kafka to deliver high-performance financial software. This is an opportunity to impact risk management and data workflows at scale.\n\nCompensation / Benefitsbase salary range (disclosed)discretionary bonusinclusive environmentequal employment opportunity policyon-site work in New Yorkopportunities across multiple levels\nResponsibilitiesDevelop scalable Python-based microservices to process data streams using streaming, messaging, and REST technologiesDesign and implement robust solutions for market and credit counterparty risk platformsUtilize advanced Python features to build efficient and maintainable codeArchitect and implement solutions using Consul, Docker, Kubernetes, Kafka, and SparkCollaborate with cross-functional teams in an Agile environment to deliver high-quality financial systemsCreate and optimize database models for SQL, MongoDB, and key-value storesBuild and maintain testing frameworks using Behave and PyTest to ensure software reliabilityDesign and implement asynchronous operations, multithreading, and multiprocessing in PythonDevelop and deploy cloud-native applications in AWS environmentsLead the design and integration of messaging, streaming, and REST APIsEnsure high-performance, scalable solutions with consistent deployment processes\nKey requirements8+ years of commercial-grade software development experience with complex applicationsStrong expertise in Python 3.4+, including advanced language features, asynchronous operations, and OOP/functional programming principlesProven experience with market and credit counterparty risk platforms (mandatory)Experience developing cloud-native applications on AWS (mandatory)In-depth knowledge of microservices architecture and data modelingExpertise in messaging, streaming, and REST API developmentFamiliarity with tools like Consul, Docker, Kubernetes, Kafka, and SparkProficiency in Agile development methodologiesBachelor's or Master's degree in Computer Science, Engineering, Physics, Math, or equivalent work experiencecollaborationproblem-solvingcommunicationPython 3.4+ (async, OOP/FP)microservices architecturedata modeling (SQL, MongoDB, key-value stores)","datePosted":"2026-09-15T04:46:34.167Z","dateModified":"2026-09-15T04:46:34.167Z","hiringOrganization":{"@type":"Organization","name":"Ion Group","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"White Plains","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"3edb99f6f53dd014dc2bfda5"},"url":"https://jobsearcher.com/jobs/3edb99f6f53dd014dc2bfda5"}}