**Senior Python Application Developer** We are seeking an exceptionally skilled and driven Lead Python Application Developer to architect, develop, and deliver mission-critical enterprise applications within a high-performance Python ecosystem. This role demands a seasoned technologist with a proven track record of technical leadership, deep expertise in scalable system design, and a passion for driving innovation through cutting-edge Python development. The successful candidate will play a pivotal role in shaping our technical roadmap, mentoring engineering teams, and ensuring the robust, secure, and efficient execution of strategic initiatives. **Required Qualifications:** **I. Advanced Technical Leadership & Architectural Acumen:** + **8+ years** of progressive experience in application development and systems architecture, with a laser focus on Python-centric solutions. + Demonstrable expertise in end-to-end software development lifecycle (SDLC) leadership, from strategic planning and solution architecture to deployment and post-production optimization. + Proven capability to lead and inspire cross-functional engineering teams, foster a culture of technical excellence, and enforce rigorous code quality standards through comprehensive code reviews and design critiques. + Act as a Subject Matter Expert (SME) in advanced Python paradigms, including asynchronous programming (asyncio), concurrency, and parallel processing, alongside profound knowledge of modern frameworks such as FastAPI, Django REST Framework, and Flask. + Mastery of enterprise-grade software architecture patterns, including Microservices, Event-Driven Architectures (Kafka, RabbitMQ), Domain-Driven Design (DDD), and GraphQL. + Deep understanding of Object-Oriented Programming (OOP) and Functional Programming principles, applying them to construct highly modular, extensible, and maintainable codebases. **II. Core Technical Proficiency & Implementation Excellence:** + **Expert-level proficiency** in Python 3.x, with extensive experience in developing high-throughput, low-latency, and fault-tolerant applications leveraging its comprehensive standard library and vibrant third-party ecosystem. + Comprehensive hands-on experience with diverse database technologies, including advanced SQL optimization for relational databases (e.g., PostgreSQL, Oracle, SQL Server) and schema design for NoSQL solutions (e.g., MongoDB, Cassandra, Elasticsearch, Redis). + Architectural and implementation expertise in designing, securing (OAuth2, JWT), and optimizing RESTful and gRPC APIs, focusing on idempotency, rate limiting, and robust error handling. + **Mandatory hands-on experience** with enterprise CI/CD pipelines (e.g., Jenkins, GitLab CI, GitHub Actions, Azure DevOps) to implement fully automated testing, build, and deployment strategies (GitOps principles). + **Extensive cloud platform experience** (AWS, Azure, or GCP),



encompassing infrastructure-as-code (Terraform, CloudFormation), serverless computing (AWS Lambda, Azure Functions), and a deep understanding of cloud-native services. + Proficient in containerization technologies (Docker) and advanced Kubernetes orchestration, including Helm, service meshes (Istio, Linkerd), and custom resource definitions (CRDs). + Elite-level troubleshooting, performance profiling, and optimization skills for distributed systems, leveraging tools like Prometheus, Grafana, Jaeger, and custom instrumentation. + Advocate and implement advanced automated testing strategies (unit, integration, end-to-end, performance) using frameworks like Pytest, Hypothesis, and Selenium, embracing Test-Driven Development (TDD) as a core practice. + Robust understanding and practical application of secure coding principles, static/dynamic analysis tools, and best practices for mitigating common vulnerabilities (OWASP Top 10, data encryption, secrets management with Vault). + Expertise in advanced Git workflows (Gitflow, Trunk-Based Development), including sophisticated branching, merging strategies, and pull request automation. **III. Artificial Intelligence (AI) Integration & Development:** + Demonstrated experience with AI/Machine Learning lifecycle, from data preprocessing and model training to deployment and monitoring, utilizing frameworks such as TensorFlow, PyTorch, Hugging Face, and scikit-learn. + Practical experience integrating and leveraging advanced AI development tools and platforms (e.g., GitHub Copilot, Devin, Windsurf, Antigravity) to enhance developer productivity and code quality. + Hands-on experience designing, developing, and deploying **Agentic AI systems** , including the creation of custom agents, defining specialized skills, and contributing to agentic frameworks for automating complex development and operational workflows. + Strong understanding and practical application of Generative AI models (e.g., GPT, Gemini, Claude) for code generation, natural language processing (NLP) tasks, and intelligent automation within the software development pipeline. **IV. Methodology & Professional Skills:** + Deep understanding and practical experience with Agile/Scrum/Kanban methodologies, fostering a team-oriented, iterative, and results-oriented development environment. + Exceptional organizational skills, with the ability to dynamically re-prioritize and meticulously manage multiple high-stakes tasks in a fast-paced, evolving technical landscape. + Proven leadership in project management,



including meticulous stakeholder communication, resource optimization, and cross-functional team coordination. + Superior written and verbal communication skills, capable of articulating complex technical concepts with clarity and precision to both technical and executive audiences. **Desirable Qualifications:** + **Polyglot Programming Proficiency:** Experience with additional programming languages (e.g., Java, Go, Scala, Rust), particularly in the context of enterprise microservices or high-performance computing. + **Big Data & Real-time Analytics:** Hands-on experience with Big Data technologies (e.g., Apache Spark, Flink, Hadoop, Kafka Streams) and architecting real-time data processing pipelines. + **Frontend Development Expertise:** Proficiency in modern frontend frameworks (e.g., React.js, Angular, Vue.js) for full-stack application delivery. + **Cloud & Industry Certifications:** Relevant advanced cloud certifications (e.g., AWS Certified Solutions Architect - Professional, Azure Solutions Architect Expert, Google Cloud Professional Cloud Architect) or industry-recognized certifications in specialized technical domains. + **Financial Domain Acumen:** In-depth understanding of financial services industry regulations, compliance standards, and specific domain knowledge relevant to capital markets, retail banking, or enterprise risk management. ------------------------------------------------------ **Job Family Group:** Technology ------------------------------------------------------ **Job Family:** Applications Development ------------------------------------------------------ **Time Type:** Full time ------------------------------------------------------ **Most Relevant Skills** Please see the requirements listed above. ------------------------------------------------------ **Other Relevant Skills** For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ _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 (https://www.citigroup.com/citi/accessibility/application-accessibility.htm)_ _._ _View Citi's_ _EEO Policy Statement (https://www.citigroup.com/global/eeo-aa-policy)_ _and the_ _Know Your Rights (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf)_ _poster._ Citi is an equal opportunity and affirmative action employer. Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.

📌 Senior Python Application Developer (Pune)
🏢 Citigroup
📍 Pune