Uditi Chawla

UDITI CHAWLA​ Senior Software Engineer | SDE-2 Python​ - |- Delhi/NCR https://www.linkedin.com/in/uditichawla/ | 📞 🌐 📧 📍 PROFILE Results-driven Senior Software Engineer with 5+ years of experience in building scalable, high-performance backend systems using Python, Django, REST APIs, and cloud technologies. Expertise in designing microservices, improving system throughput, and solving complex technical challenges. Proven track record in delivering innovative solutions that drive business success, with a strong focus on system design, data-driven decision making, and code quality. Currently seeking to leverage backend development skills in an SDE-2 role at a high-impact product-based company. PROFESSIONAL EXPERIENCE TestYantra (Client: Cars24) Senior Software Developer (SDE-2) | Jan 2024 – Present ●​ Developed a B2C loan offer generation system using Python and Django, integrating real-time risk and eligibility checks, improving approval time by 30%. ●​ Designed modular APIs to calculate EMI, tenure, and ROI dynamically, enabling seamless loan renegotiation and enhancing the customer experience. ●​ Spearheaded backend integration with Cars24’s loan system, facilitating instant renegotiations and improving operational efficiency by streamlining loan processing. Siemens Technology India (STSPL) Senior Software Developer – Backend | Apr 2022 – Dec 2023 ●​ Led the backend design of a logistics optimization platform for scheduling, inventory management, and KPI analysis, empowering stakeholders with real-time data for better decision-making. ●​ Refined Django ORM patterns to improve maintainability and testability by 40%, ensuring long-term scalability and reduced technical debt. ●​ Integrated PostgreSQL with real-time dashboard APIs, enabling data-driven insights into logistics performance across multiple departments. TCS Research & Innovation Labs IT Analyst – Backend | Apr 2021 – Mar 2022 ●​ Migrated legacy SQL-based recommendation engine to Elasticsearch, cutting search query latency by 60% and improving user experience. ●​ Developed a ChatGPT-powered cybersecurity bot using AWS Lambda for real-time threat detection and incident response. ●​ Led the creation of a Chatbot orchestration platform to enable scalable development of business-specific bots using semantic analysis.​ TCS Research & Innovation Labs System Engineer – Data Analytics | Jul 2019 – Mar 2021 ●​ Contributed to the transition from SQL to Elasticsearch, improving data retrieval performance by 60% and enabling real-time analytics. ●​ Built and deployed NLP models for sentiment analysis and entity recognition, enhancing the accuracy of automated responses in enterprise applications. ●​ Enhanced AWS Lambda integration to streamline event-driven architectures, reducing response times for real-time data processing.​ KEY PROJECTS ●​ Offer Generation System (Cars24): Designed and implemented a backend system using Django and Python, automating loan offer generation based on customer profiles, improving turnaround time by 30%. ●​ ElasticSearch Migration: Led the migration of SQL search backend to ElasticSearch, resulting in 60% faster query performance and reduced latency for user recommendations. ●​ Cybersecurity Bot (LLM Integration): Integrated ChatGPT with AWS Lambda to automate incident response for cybersecurity threats, increasing response speed and reducing manual intervention. ●​ Semantic System Accelerator: Designed a platform to develop emotion-aware chatbots using NLP and transformer models, enabling businesses to create custom conversational agents. EDUCATION B.Tech in Electrical & Electronics Engineering​ Guru Tegh Bahadur Institute of Technology (GTBIT), Delhi | 2015 – 2019 CERTIFICATIONS ●​ AWS Certified Developer – Associate (in progress) ●​ System Design Primer – Udemy ●​ Advanced Python Backend Development – Coursera TECHNICAL SKILLS ●​ Languages: Python, C++, Java, SQL, JavaScript, Bash ●​ Frameworks & Libraries: Django, Flask, FastAPI, REST APIs, PostgreSQL, Redis ●​ Cloud & Infrastructure : AWS (Lambda, EC2, S3,SNS,SQS), Docker, Kubernetes, Terraform ●​ DevOps & Tools: Git, Jenkins, Grafana, Prometheus, Airflow, CI/CD, Git, GitHub Actions ●​ Databases: PostgreSQL, MySQL, DynamoDB, MongoDB, Redis ●​ Data Processing: Pandas, NumPy, Matplotlib ●​ System Design: REST APIs, Microservices, Distributed Systems, Event-Driven Architecture, Load Balancing, Scalable Architecture, OOPs, Design Patterns,CAP Theorem,Pub/Sub architecture, Fault-Tolerant Design, Caching Strategies (explicitly via Redis), Horizontal/Vertical Scaling, API Gateway ●​ Monitoring & Logging: ELK Stack, CloudWatch, Sentry, Datadog ●​ Tools: Postman, Swagger, ChatGPT API, Elasticsearch ●​ Frontend (Basic): HTML, CSS, React.js ●​ Other: Data Pipelines, Multithreading, Performance Optimization, Scalability, Concurrency, Data Structures , Algorithms, Data Analysis, Selenium ●​ Engineering Best Practices: Test-Driven Development (TDD), Clean Code, Code Reviews, SOLID Principles, Static Code Analysis, Performance Optimization, Profiling & Debugging, Multithreading, Concurrency ●​ Leadership & Ownership: Mentored junior engineers, Led module design and delivery, Cross-functional collaboration, Ownership of production systems, Writing design docs ADDITIONAL SKILLS ●​ Problem-solving and critical thinking abilities, with a focus on optimizing backend performance. ●​ Proven leadership experience in mentoring junior developers and guiding them through the full software development lifecycle. ●​ Strong expertise in Agile development and working in cross-functional teams to deliver high-impact projects on time. ATS KEYWORDS (Optimized for SDE-2 Python Roles) Python, Django, FastAPI, REST APIs, Microservices, System Design, AWS Lambda, PostgreSQL, ElasticSearch, Redis, Git, Docker, CI/CD, GitHub Actions, OOPs, Design Patterns, Backend Engineering, Scalability, Performance Optimization, Cloud Infrastructure, ChatGPT ,High availability, low latency, autoscaling ,Load testing (Locust, JMeter) , Domain-driven design (DDD), CAP theorem, eventual consistency, Kafka / RabbitMQ , Clean architecture, SOLID principles, Async IO, multithreading, parallelism, Container orchestration, Helm​ GDPR compliance (if applicable), Leadership, stakeholder management, cross-functional collaboration, API, Elasticsearch, SQL, Lambda, Backend Developer, Senior Software Engineer, SDE-2, High-Impact Projects, Product Development ADDITIONAL INFORMATION ●​ Available for immediate joining​ ●​ Open to remote, hybrid roles, or relocation to locations such as Bengaluru, Delhi NCR, or other global hubs.​