Senior Python Application Developer

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 the technical roadmap, mentoring engineering teams, and ensuring the robust, secure, and efficient execution of strategic initiatives.

Required Qualifications :

Advanced Technical Leadership &

- Architectural Acumen :
- 8 years of progressive experience in application development and systems architecture, with a strong 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 technical excellence, and enforce rigorous code quality standards through comprehensive code reviews and design critiques.
- Subject Matter Expert (SME) capability in advanced Python paradigms, including asynchronous programming (asyncio), concurrency, and parallel processing, with deep knowledge of FastAPI, Django REST Framework, and Flask.
- Mastery of enterprise 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, applied to highly modular, extensible, and maintainable codebases.

Core Technical Proficiency &

- Implementation Excellence :
- Expert-level proficiency in Python 3.x, with extensive experience developing high-throughput, low-latency, and fault-tolerant applications using its standard library and third-party ecosystem.
- Hands-on experience with diverse database technologies, including advanced SQL optimization for PostgreSQL,



Oracle, or SQL Server, and schema design for NoSQL solutions such as MongoDB, Cassandra, Elasticsearch, and Redis.
- Expertise in designing, securing (OAuth2, JWT), and optimizing RESTful and gRPC APIs, with attention to idempotency, rate limiting, and robust error handling.
- Mandatory hands-on experience with enterprise CI/CD pipelines such as Jenkins, GitLab CI, GitHub Actions, or Azure DevOps, implementing automated testing, build, and deployment strategies aligned with GitOps principles.
- Extensive experience with AWS, Azure, or GCP, including infrastructure as code (Terraform, CloudFormation), serverless computing (AWS Lambda, Azure Functions), and cloud-native services.
- Proficiency in Docker and advanced Kubernetes orchestration, including Helm, service meshes (Istio, Linkerd), and custom resource definitions (CRDs).
- Advanced troubleshooting, performance profiling, and optimization skills for distributed systems using Prometheus, Grafana, Jaeger, and custom instrumentation.
- Experience implementing automated unit, integration, end-to-end, and performance testing using Pytest, Hypothesis, and Selenium, with Test-Driven Development (TDD) as a core practice.
- Practical application of secure coding principles, static and dynamic analysis, OWASP Top 10 controls, data encryption, and secrets management with Vault.
- Expertise in advanced Git workflows, including Gitflow and Trunk-Based Development, sophisticated branching and merging strategies, and pull-request automation.

Artificial Intelligence (AI) Integration &

- Development :
- Experience across the AI/Machine Learning lifecycle, from data preprocessing and model training to deployment and monitoring, using TensorFlow, PyTorch, Hugging Face, and scikit-learn.




- Practical experience with AI development tools and platforms such as GitHub Copilot, Devin, Windsurf, and Antigravity to improve developer productivity and code quality.
- Hands-on experience designing, developing, and deploying Agentic AI systems, including custom agents, specialized skills, and agentic frameworks that automate complex development and operational workflows.
- Strong understanding and practical application of Generative AI models such as GPT, Gemini, and Claude for code generation, NLP tasks, and intelligent automation within the software development pipeline.

Methodology &

- Professional Skills :
- Deep understanding and practical experience with Agile, Scrum, and Kanban methodologies, fostering a collaborative, iterative, and results-oriented development environment.
- Exceptional organizational skills, with the ability to reprioritize and manage multiple high-stakes tasks in a rapid-paced, evolving technical landscape.
- Proven project leadership, including stakeholder communication, resource optimization, and cross-functional team coordination.
- Superior written and verbal communication skills, with the ability to articulate complex technical concepts clearly to technical and executive audiences.

Desirable Qualifications :

- Polyglot Programming Proficiency : Experience with Java, Go, Scala, or Rust, particularly for enterprise microservices or high-performance computing.
- Big Data &
- Real-Time Analytics : Hands-on experience with Apache Spark, Flink, Hadoop, or Kafka Streams and architecting real-time data processing pipelines.
- Frontend Development Expertise : Proficiency in React.js, Angular, or Vue.js for full-stack application delivery.
- Cloud &
- Industry Certifications : Relevant advanced cloud certifications, such as AWS Certified Solutions Architect - Professional, Azure Solutions Architect Expert, Google Cloud Professional Cloud Architect, or other recognized technical certifications.
- Financial Domain Acumen : In-depth understanding of financial-services regulations, compliance standards, and domain knowledge relevant to capital markets, retail banking, or enterprise risk management.

📌 Senior Python Application Developer (India)
🏢 ResourceTree Global Services
📍 India