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Senior Python Developer Jobs in Greenwich, CT (NOW HIRING)

Python Developer

Armonk, NY

$54 - $74.50/hr

The Python Developer will be motivated by our mission to make a cleaner and safer energy future ... As a Senior Software Engineer, you'll take on a critical role of turning business needs into ...

Senior AWS Python Developer

New York, NY · On-site

$132.90K - $178.90K/yr

Job Title: Sr. AWS Python Developer Job Location: New York, NY Job Type: Contract * Develop and maintain highly scalable high performance and highly available systems Write well tested efficient and ...

Jr. Python Developer

Manhattan, NY

$55.50 - $76.25/hr

This position focuses on Python development, support for Pyodide‐based execution environments, secure coding practices, and backend feature development under the guidance of senior engineers. The ...

New

We're looking for a Senior Backend Engineer who thrives in fast moving environments, enjoys solving ... Strong backend engineering experience building scalable production systems Proficiency with Python ...

Sr. SDVI Rally Developer

Manhattan, NY · Remote

$133.90K - $180.20K/yr

Remote Contract We are seeking an experienced Senior SDVI Rally Developer with expertise in Python and AWS based media supply chain workflows. The ideal candidate will design develop and optimize ...

Python Developer with AWS

Manhattan, NY

$55.50 - $76.25/hr

Job Title: Sr. AWS Python Developer Location: New York, NY Work Mode: Onsite (5 days a week) Required Skills: AWS, Python, Media & Entertainment domain experience is required. The Software Developer ...

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Showing results 1-20

Senior Python Developer information

See Greenwich, CT salary details

$61.8K

$159.4K

$219K

How much do senior python developer jobs pay per year?

As of May 30, 2026, the average yearly pay for senior python developer in Greenwich, CT is $159,442.00, according to ZipRecruiter salary data. Most workers in this role earn between $136,400.00 and $183,600.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Python Developer, and why are they important?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by Senior Python Developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.

What are the main responsibilities of a Senior Python Developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What is the difference between Senior Python Developer vs Python Developer?

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

What cities near Greenwich, CT are hiring for Senior Python Developer jobs? Cities near Greenwich, CT with the most Senior Python Developer job openings:
Infographic showing various Senior Python Developer job openings in Greenwich, CT as of May 2026, with employment types broken down into 63% Full Time, 6% Part Time, and 31% Contract. Highlights an 81% In-person, 6% Hybrid, and 13% Remote job distribution, with an average salary of $159,442 per year, or $76.7 per hour.
Senior Python Developer, GenAI, Innovation Labs - VP

Senior Python Developer, GenAI, Innovation Labs - VP

Citigroup, Inc.

New York, NY • On-site

$132.90K - $178.90K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago


Job description

Job Summary
Citi Innovation Labs is a global network of innovation centers focused on delivering cutting edge solutions to all of Citi's lines of business.
Our mission is to create a competitive advantage for our clients, manifested as change in the way they operate, by providing innovative technological solutions with strong client engagement, from idea to production, and by leveraging the entrepreneurial spirit and technological excellence fostered in the Innovation Labs.
Our Labs Network is a global organization that spans across New York, London, Tel Aviv, and various other locations globally. We focus on delivering innovative products using cutting-edge technologies in highly complex architectures and with the highest delivery standards. The Innovation Labs team performs research and implementation in many advanced domains spanning across AI, Machine learning, NLP, Analytics, and many more.
We're searching for a highly skilled and experienced senior engineer and Python expert to lead the design and development of the various AI-related technologies as part of the Citi Innovation Labs. The ideal candidate has an excellent track record in high-scale engineering products and specifically AI solutions. In this role, you'll be a key player in driving innovative AI projects throughout the bank.
Responsibilities
  • Lead the design, development, and maintenance of highly complex Python-based GenAI platforms, applications, services, and supporting infrastructure to ensure seamless operation, scalability, and integration of AI capabilities across various Citi business units.
  • Engage with data science, technical, and business stakeholders to define and design overall architecture for key use-cases, specifically focusing on Python-based solutions for our lines of business.
  • Drive the deployment of new GenAI products and process improvements, working with internal and external partners to design, validate, and deliver solutions with commercial benefit for Citi, with a strong emphasis on robust Python implementations.
  • Resolve high-impact technical and business problems, leading projects through in-depth evaluation of complex GenAI business processes, system architecture, and industry standards, providing innovative Python-driven solutions.
  • Provide expert guidance and advanced knowledge in Python-based programming, ensuring platform design adheres to architectural blueprints and best practices for generative models.
  • Develop and enforce robust Python coding standards, testing methodologies, debugging practices, and implementation strategies for enterprise-grade solutions, leveraging an advanced understanding of system flow.
  • Manage multiple concurrent initiatives and projects of varying sizes and complexity, engaging with external vendors and startups for joint initiatives and exploration of new directions, particularly those involving Python-based technologies.
  • Cultivate a comprehensive understanding of how business, architecture, and infrastructure integrate within the GenAI ecosystem at Citi to achieve strategic goals.
  • Serve as an advisor and coach to mid-level developers and analysts specializing in Python and GenAI technologies, fostering skill development and effective work allocation.
  • Collaborate with Citi's Risk and Control teams to ensure best practices are followed regarding governance, risk management, standardization, and tooling for Python-based GenAI systems.

Skills & Qualifications
  • 7+ years of experience in the software industry, with a strong emphasis on building enterprise software.
  • 6+ years of relevant experience in developing and implementing scalable and robuest Python-based platforms for AI-driven applications and systems using salient Python libraries (e.g., FastAPI, Flask, Django, Pandas, NumPy, Prefect, Scikit-learn, Hugging Face).
  • 5+ years of experience delivering complex Python-based solutions and services (e.g., backend services, APIs) into production.
  • Demonstrated experience in managing and implementing successful projects of varying sizes and complexities.
  • Proven understanding of Generative AI systems, AIOps, and application monitoring/evaluation.
  • Experience with cloud architectures, with specific experience in public cloud offerings.
  • Strong passion and proven hands-on experience integrating with AI/ML technologies, particularly using Python.
  • Experience with software development agents, agile development, CI/CD pipelines, software testing, and code reviews.
  • Ability to quickly learn new technologies, adjust priorities, influence highly skilled engineering teams, and guide technology decisions.
  • Demonstrated leadership and project management skills.
  • Excellent communication and documentation skills, with the ability to communicate clearly and concisely, both written and verbal.
  • Strong analytical, problem-solving skills, and a strategic mindset.
  • Experience in the financial industry is a significant advantage.

Education
  • Bachelor's degree/University degree or equivalent experience is required.
  • Master's degree preferred.

Job Family Group:
Technology
Job Family:
Applications Development
Time Type:
Full time
Primary Location:
New York New York United States
Primary Location Full Time Salary Range:
$142,320.00 - $213,480.00
In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.
Most Relevant Skills
Please see the requirements listed above.
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.
Anticipated Posting Close Date:
Apr 06, 2026
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi's EEO Policy Statement and the Know Your Rights poster.