senior backend python developer jobs in New York

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...

ZealHire Inc. in Jersey City, NJ seeks a highly experienced software engineer to join our internal trading platform. You will build scalable, high-performance trading systems using KDB+/q, Python, and AI/ML time-series models. The role demands 10+ years in quantitative finance or trading systems, with hands-on work on large datasets, cloud (AWS), CI/CD,...

Job DescriptionJob DescriptionCVector’s mission is to bring real time economic optimization and AI prediction to every energy and manufacturing plant.Industrial facilities make decisions every minute that determine cost, reliability, and margin, but the signals that matter live in different worlds: live asset constraints and process reality on one side,...

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...

Education: If you did your undergrad in India, save your time and DO NOT APPLY You will have to submit a W-9 when hired, no OPT, W-8, or other types of sponsorship Senior AI / Software Engineer (Python, OCR, LLM & GPU Systems) NextGen Coding Company Location: New York City — Hybrid / In-Person Required Compensation: $20–$25/hour Engagement Type:...

Python Software Engineer — AI Workflows About The Role What if your Python expertise could directly shape the infrastructure powering the next generation of AI? We're looking for senior Python engineers to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on — production-grade work that makes...

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...

ZeroDrift is seeking an experienced Backend Engineer to build the layer connecting AI agents and developer frameworks to our platform. You will own the policy backend, engine, and controls, ensuring low latency and high reliability in an enterprise environment.Three days per week will be in our New York City office at 4 World Trade Center, with the rest...

Company DescriptionCompany Description:A Fintech Company .Job DescriptionPosition to fill: Senior Frontend Web DeveloperIndustry IT servicesLocation: NYCSalary range: US$100k -$135k base with stock optionsJob Description:Are you looking for a challenging start up environment where you can be at the edge of the FinTech revolution?Are you looking for a place...

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...

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...

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...

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...

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 About Citi: Citi, the leading global bank, has approximately...

Backend Engineer — High-Volume Data Processing Location: Dumbo, Brooklyn, NYWork Arrangement: Onsite 5 days/week — non-negotiableEmployment Type: Full-timeBase Salary: 220K–300KEquity: Competitive equityVisa: Open to visa transfers (including OPT and H-1B transfers); additional sponsorship may be considered for the right candidateRelocation: Up to...

Navan is building the next generation of intelligent travel experiences, where loyalty, personalization, and AI agents help travelers make better decisions before, during, and after every trip. As a Senior Software Engineer (Backend), you’ll drive the technical vision, architecture, and execution for the highly available, distributed services that form the...

Full Stack Developer (AI tooling, C#, React, Python)Location: Morristown, NJ or New York, NY (hybrid - 4 days Onsite), Local Candidates onlyDuration: 6 Months (Contract to hire)We are looking for a fast-moving Senior Full Stack Developer who views AI-assisted development as a baseline capability rather than a novelty. You will be responsible for designing...

Join Us in Building the Future of Digital WorkAt Sola, we’re transforming the way work is done. We’re developing AI agents that make powerful automation effortless, enabling any user to record a workflow and instantly scale it up to millions of executions.Sola today powers enterprise workflows in Fortune 100 companies, with a horizontal platform that...

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,...

About Us:AI needs a new infrastructure layer. We're building it at Modal.Every era of computing brought new workloads that previous infrastructure couldn't support: mainframes, databases, and the cloud. Each time, the company that rebuilt the layer underneath defined the decade. AI is no different, except it touches everything instead of one slice, and the...