Deepak Sharma | Freelancer Resume

Deepak Sharma Delhi, India-- Senior Technical Lead | Solutions Architect | Engineering Leader linkedin.com/in/aperogalics Seasoned Senior Technical Lead with 9+ years of experience building and scaling distributed systems across fintech, telecom, and enterprise platforms. Proven track record in leading cross-functional teams, architecting microservices and middleware solutions, and driving platform modernization efforts for mission-critical products. Adept at aligning business goals with technical strategy, mentoring engineering teams, and delivering high-performance, cloud-native systems. Experienced in leveraging Generative AI, event-driven architectures, and modern DevOps practices to build future-ready platforms at scale. SKILLS WORK EXPERIENCE Xebia IT Architects • Remote (Client: Airtel Payments Bank, Gurugram, India) • 05/2022 - Present Senior Technical Lead • Led development of DMT product, managing 8–10 member crossfunctional team aligned with business goals. • Delivered critical integration project within 2 weeks, resulting in significant cost savings. • Architected and built the Accounting Platform Layer (APL) to handle 50x load and improve system stability. • Designed and integrated NCMC acquiring systems for metro networks (Delhi, Mumbai) and NCRTC. • Redesigned horizontal core banking services and championed teamwide engineering best practices. Programming Languages • • • • • Java JavaScript Python Shell S cripting SQL Frameworks & Libraries • • • • Express Node.js React Spring B oot Architecture & Design • • • • • • • Domain-Driven D esign (D DD) Event-Driven A rchitecture GraphQL High Availability & S calability Microservices A rchitecture OpenAI REST API Sinch India • Remote (Base: Noida, Uttar Pradesh, India) • 12/2020 - 05/2022 Technical Lead • Built Google RCS, GBM, and WhatsApp enterprise messaging platforms with per-client TPS control. • Developed a multi-tenant, high-availability messaging system with integrated failover and monitoring. • Defined API contracts and platform architecture for scalable enterprise communication solutions. Cloud & DevOps • • • • • Atlassian CI/CD AWS Docker Jenkins Kubernetes Databases & Caching • • Aerospike MongoDB UnifyTech • Remote (Client: Bharti Airtel, Gurgaon, Haryana, India) • 05/2020 - 12/2020 Senior Software Development Engineer • Re-engineered Airtel Payments System, improving transaction success rate from 79% to 94%. • Modernized legacy components and streamlined third-party integrations. • Contributed to system scalability and architecture planning for financial transactions. Tata Consultancy Services • Client: Walgreens, Noida, Uttar Pradesh, India • 03/2016 - 05/2020 Team Lead • Led 5-member team on retail and pharmacy systems for Walgreens, one of the largest U.S. drugstore chains. • Delivered scalable backend features using Java and Spring, with full SDLC ownership. • Facilitated Agile ceremonies and mentored developers across design and delivery workflows. Senior Developer • Contributed to core banking and trading systems for global financial clients. • Key contributor to TCS BANCS, with focus on performance and maintainability. • Led code reviews, solution estimations, and architecture collaboration. Java Developer • • Developed Part Ordering System for JLR service centers and dealers. • Resolved production issues through diagnostics and issue triage. Reworked applications to improve responsiveness and customer alignment. IBM Concentrix • Client: Etisalat, Gurgaon, Haryana, India • 09/2015 - 03/2016 Senior Practitioner (Early Career Role) • • • • MySQL Neo4j PostgreSQL Redis Messaging & Streaming Platforms • • • ActiveMQ Apache K afka RabbitMQ Monitoring & Observability • • • • Datadog ELK Stack Grafana Prometheus Development Practices • • Agile/Scrum • • Serverless Behavior-Driven D evelopment ( BDD) Test-Driven D evelopment (T DD) Tools & IDEs • • • • • • Git GitHub IntelliJ IDEA Postman Swagger Visual S tudio Code • Supported telecom operations and service issue resolutions for Etisalat. EDUCATION • Gained early exposure to enterprise processes and problem-solving foundations. B.Tech in Electronics and Communication Maharishi Dayanand University Rohtak 01/2015