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Python Senior Developer Jobs

107 Job Offers

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Senior Python Developer
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Senior Python Developer role at Provectus, specializing in generative AI and LLM features like RAG, tools, and agents. You’ll build scalable Python services, RESTful APIs, and chatbot applications using FastAPI or Django REST, with Docker, Kubernetes, and AWS. Fully remote position in Serbia, Spa...
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Serbia;Spain;North Macedonia;Armenia
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Provectus
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Senior .NET Developer with Python
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Senior .NET Developer with Python needed in Chennai, India. This role requires 8+ years of experience in software development, strong C# and .NET skills, and Python coding expertise. You will lead application development, design, and implementation, utilizing messaging systems (EMS/Kafka), SQL Se...
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India , Chennai
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Citi
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Senior Python Developer
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Senior Python Developer needed for a high-profile contract with a leading trading firm in Houston, TX. Architect and deliver enterprise-grade distributed systems for critical trading and risk functions using Python and AWS. Requires 8+ years of experience in financial markets and production AWS e...
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United States , Houston
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120.00 USD / Hour
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Hunter Bond
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Senior Python Developer
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Senior Python Developer sought for North Sydney, Australia. This role demands expert-level Python & ETL skills, plus mastery of Airflow for orchestrating complex workflows. You will build and troubleshoot data pipelines using PySpark, solving challenging ETL scenarios. Join FinXL by Randstad Digi...
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Australia , North Sydney
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FinXL
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Market Risk - Senior Python Developer – Assistant Vice President
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Senior Python Developer role at AVP level in Pune, India, focusing on Market Risk technology. Requires 6-10 years of experience building high-scale, performant platforms for data computation, with expert-level Python (pandas, numpy, scipy) and strong OOPs, algorithms, and Unix skills. You will le...
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India , Pune
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Citi
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Python Counterparty Credit Risk Senior Developer, Vice President
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Senior Python Developer, Vice President role in London with Citi’s Financial Risk Technology team. You will build and optimize counterparty credit risk applications, integrating pricing models and enhancing CI/CD pipelines. Requires expert Python skills, derivatives analytics experience, and stro...
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United Kingdom , London
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Citi
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Senior Python Developer
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Senior Python Developer sought to design and maintain scalable cloud-native solutions in Cluj, Romania. Requires 7-10 years’ experience, BSc/MSc, and expertise in Python, Bash, Linux, and public cloud APIs. Enjoy remote, hybrid, or office work, plus sponsored certifications, private health insura...
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Romania , Cluj
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NTT DATA
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Lead Python Application Developer - Senior Vice President
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Lead Python Application Developer (SVP) sought in Pune, India to architect and deliver scalable, high-performance applications for quantitative and market risk domains. Requires 12+ years of expert-level Python 3.x proficiency, advanced knowledge of FastAPI/Django, and distributed system design. ...
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India , Pune
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Citi
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Senior AI Developer (With Python And Machine Learning Knowledge)
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Senior AI Developer sought for a leading financial firm in Budapest, Hungary. You will design and deploy back-end solutions, lead Python and Machine Learning projects, and manage the full SDLC. Requires 3-5 years’ experience, strong Python/ML skills, Java/J2EE, and REST API expertise. Enjoy a com...
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Hungary , Budapest
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Randstad
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Senior Python Application Developer-Vice President
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Senior Python Application Developer – Vice President role in Pune, India. Leverage 9+ years of expert-level Python 3.x proficiency to architect scalable, high-performance applications for finance and risk domains. Drive development of RESTful APIs, microservices, and CI/CD pipelines using FastAPI...
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India , Pune
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Citi
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Senior Python Application Developer
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Senior Python Application Developer sought to architect and deliver mission-critical enterprise applications in Pune or Chennai, India. This lead role demands 8+ years of Python expertise, including FastAPI and asyncio, with a focus on scalable system design and technical leadership. You will sha...
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India , Pune; Chennai
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Citi
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Senior Python Developer
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Senior Python Developer sought for FinXL by Randstad Digital in North Sydney. Expert-level proficiency in Python, ETL, and Airflow orchestration is essential. You will solve complex data flow challenges, design robust pipelines, and troubleshoot edge-case scenarios. Join a team focused on Network...
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Australia , North Sydney
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FinXL
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Senior Python Application Developer - Vice President
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Senior Python Application Developer - Vice President role in Pune, India. Requires 9+ years of Python expertise, including FastAPI, SQLAlchemy, and distributed systems. Lead architecture for scalable, high-performance applications in Market Risk and Regulatory Stress Testing. Join a global team d...
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India , Pune
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Citi
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Python Counterparty Credit Risk Senior Developer, Vice President
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Senior Python Developer, Vice President role at Citi in London, driving counterparty credit risk applications within the Analytical Calculation Engine (ACE) team. Expert-level Python, derivatives pricing, and CI/CD skills required. Collaborate with Quant and Front Office teams on distributed comp...
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United Kingdom , London
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Citi
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Senior Python Developer
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Senior Python Developer sought for a front-office role in Jersey City, US, within Global Markets financial services. You will develop applications using Python, REST, and ReactJS, performing quantitative data analysis and working on risk/pricing systems. Requires 5+ years of Python experience, 3+...
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United States , Jersey City
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63.00 - 68.26 USD / Hour
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Apex Systems
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Digital Transformation Senior Python Developer
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Join our team in Budapest as a Senior Python Developer driving digital transformation. You will develop workflow automation solutions using Python in a regulated environment. We seek a candidate with 4-6 years of systems analysis experience, strong documentation skills, and a collaborative mindse...
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Hungary , Budapest
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Citi
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Market Risk - Senior Python Developer
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Senior Python Developer role in Market Risk at a leading financial institution in Pune, India. Seeking an expert with 6-10 years of experience building high-scale, performant data computation platforms. Must possess deep knowledge of core Python, pandas, numpy, scipy, and OOPs design patterns. Id...
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India , Pune
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Citi
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Senior Python Developer
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Senior Python Developer role in Pune, India, building AI-powered developer tools at Citi. You will own FastAPI services, integrate LLM/Gen AI for automation, and modernize CI/CD workflows. Requires 5-6 years Python, async programming, and database expertise. Impact thousands of developers while w...
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India , Pune
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Citi
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Senior Python Developer - Assistant Vice President
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India , Chennai; Pune
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Citi
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Senior Python Developer
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Portugal , Porto
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Extia
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About the Python Senior Developer role

Embark on a rewarding career path by exploring senior Python developer jobs, a pivotal role for seasoned professionals in the software industry. A Senior Python Developer is an experienced engineer who leverages the Python programming language to design, build, and maintain complex, high-performance applications. This position represents a significant step up from a mid-level developer, involving not just advanced coding but also architectural leadership, strategic planning, and mentorship. Professionals in these roles are trusted to tackle the most challenging technical problems and drive the core development initiatives of an organization.

The typical responsibilities of a Senior Python Developer are multifaceted. Primarily, they are responsible for the end-to-end design and development of software systems. This includes writing clean, efficient, and scalable code, often for applications involving large-scale data processing, analytics, or backend services for web platforms. A critical part of their role is to establish and advocate for engineering best practices, such as Test-Driven Development (TDD), continuous integration/continuous deployment (CI/CD), and proper code review processes. They conduct in-depth system analysis, define technical requirements, and make crucial decisions on the technology stack and system architecture to ensure scalability, reliability, and performance. Furthermore, senior developers act as technical leaders, providing guidance and mentorship to mid-level and junior developers, allocating tasks, and reviewing code to maintain high-quality standards. They often serve as the bridge between business stakeholders and the technical team, translating complex business needs into robust technical solutions.

To qualify for senior Python developer jobs, a specific set of skills and experience is required. Typically, employers seek candidates with 5+ years of professional experience, with a substantial portion dedicated to Python development. Expert-level knowledge of core Python concepts, including object-oriented programming, design patterns, and concurrency, is non-negotiable. Proficiency with key Python libraries and frameworks is essential; this commonly includes data manipulation libraries like Pandas and NumPy, web frameworks such as Django or Flask, and testing tools like Pytest. A strong foundation in computer science fundamentals—data structures, algorithms, and operating systems—is critical. Experience with database technologies, both SQL and NoSQL, and writing efficient queries is standard. Familiarity with version control systems like Git, containerization with Docker, and cloud platforms (AWS, Azure, GCP) is increasingly important. Beyond technical acumen, soft skills are paramount. Success in this role demands excellent problem-solving abilities, clear and concise communication for collaborating with teams and advising stakeholders, project management skills, and the leadership qualities needed to coach others and drive projects to successful completion. A bachelor's degree in computer science or a related field is commonly expected. For those with the right blend of deep technical expertise and leadership capability, senior Python developer jobs offer a challenging and highly impactful career opportunity.