- Structural & Functional Systems Analysis, Curiosity and a Passion for Learning
- Behavioral Science & Psychology enthusiast
- Fitness and Nutritional Science
Surya Pratap Barik
Bengaluru
Summary
I am a Senior Backend & Platform Engineer with 8+ years experience designing, leading, scaling high-performance, distributed, and cloud-native systems that power millions of users in E-commerce, AdTech, and Analytics. I am adept in driving technical strategy, building core technologies, real-time engines, financial platforms, mentoring teams and delivering resilient mission-critical solutions using technologies like Java, Python, AWS, etc.
With a forward-looking approach, I am exploring Generative AI and Applied LLMs, building intelligent applications, combining strong backend expertise with next-gen AI innovation to create impactful product solutions.
Overview
9
9
years of professional experience
1
1
Certificate
Work History
Lead Engineer (Backend)
Splitkaro
01.2024 - Current
- Built and scaled the core expense-splitting platform, implementing real-time financial calculations, debt reconciliation, and secure UPI payment integrations with high accuracy and reliability.
- Architected performance optimizations and Gen-AI roadmap, leveraging caching, asynchronous processing, AWS CI/CD pipelines, monitoring, DB optimizations, Mixpanel analytics, and embedding-based Gen AI for expense categorization, SMS extraction, and group suggestions, improving latency by 40% and enhancing product intelligence.
- Led product and engineering impact, mentoring engineers, driving data-informed product decisions, and developing automation tools that reduced manual operations, improved efficiency, and elevated user experience.
Software Development Engineer III
CommerceIQ
09.2022 - 04.2023
- Revamped Ad Campaign Management Platform (Amazon Ads v1 → v3), leading end-to-end redesign to expand feature set, improve performance, and enable advertiser self-serve capabilities via Amazon Ads APIs.
- Architected Real-Time Bid Adjustment Engine and Omnichannel Change Log Aggregator, integrating Amazon Ad DSP with ML-driven strategies for ROAS optimization, and building cross-platform audit/reporting systems to track bid and budget changes [Spring Boot, MongoDB, AWS SQS].
- Built Data Pipelines and Workflow Automation, leveraging Azkaban and Snowflake to process vendor/seller data, detect inefficiencies, and generate searchable alerts in Elasticsearch, enhancing ad spend optimization and operational efficiency at scale.
Lead Software Engineer
GoIbibo-MakeMyTrip
08.2021 - 05.2022
- Architected Travel Community Platform backend microservices, including orchestrator and recommendation engine, serving millions of users with 35% lower latency, 35% reduced CPU usage, and 90% fewer WebSocket drops via optimized TCP and heartbeat design [Java, Kafka, vert.x, Caffeine, Redis, MySQL].
- Designed and scaled Persuasions & Rewards Engine, a real-time cashback/rewards service driving 15% uplift in bookings and 40% retention increase, handling 12K+ RPM peak traffic with A/B testing integration [Java, Kafka, vert.x, MySQL, Caffeine].
- Built Offers & Coupons Platform and admin panel, enabling personalized and multilingual offers (Arabic, Hindi), mentoring engineers, improving code quality, and driving security and production-readiness across teams.
Senior Software Engineer (Full-Stack)
GoIbibo-MakeMyTrip
04.2016 - 07.2021
- Developed Makemytrip Gift Cards Platform backend APIs and integrations with Quikcilver, launching a new monetization stream and enabling seamless user transactions.
- Core contributor to In-House A/B Experimentation Framework, also built ReactJS admin panel, and multi-language SDKs (Java & Python) to drive company-wide adoption for all feature testing and data-driven decisions.
- Delivered Core Platform Services for user management, permissions, coupons, and role-based access control, other core technologies ensuring scalable, secure, and maintainable backend/frontend systems [Java, Spring Boot, Vert.x, Cassandra, Kafka, Guice, ReactJS].
Education
B.Tech - Computer Science & Engineering
BIT Mesra
Ranchi, India01.2016
12th board -
The Future Foundation School
Kolkata, India01.2011
Skills
- Core Engineering: Java, Python, JavaScript, Shell Scripting, HTML/CSS; Vertx, Dropwizard, Spring Boot, Guice, Hibernate; ReactJS, Redux; Maven, Gradle
- Database & Caching: (Relational: MySQL, PostgreSQL), (NoSQL: MongoDB, Cassandra, DynamoDB, Couchbase), (Search & Indexing: Elasticsearch), (In-Memory & Caching: Redis, Hazelcast)
- Data Platforms & Pipelines: Azkaban, Snowflake
- Messaging, Cloud & DevOps: Kafka, AWS (EC2, ECS, S3, Lambda, IAM, CloudFormation, SQS, SNS); Docker, Kubernetes, Jenkins, Git, GitLab, Bitbucket; (Monitoring & Alerts: ELK, Prometheus, Grafana, MixPanel, PagerDuty, CloudWatch), (Code Quality: SonarQube)
- Generative AI & NLP: LLMs, RAG(Retrieval-Augmented Generation), Agentic AI, LangChain, LLaMA Index, Vector DBs (FAISS/Chroma), Prompt Engineering, NLP Pipelines
Certification
- M101P: MongoDB for Developers
- IBM: Develop Generative AI Applications
- IBM: Advanced RAG with Vector Databases and Retrievers Professional Certificate
Interests
Timeline
Lead Engineer (Backend)
Splitkaro
01.2024 - Current
Software Development Engineer III
CommerceIQ
09.2022 - 04.2023
Lead Software Engineer
GoIbibo-MakeMyTrip
08.2021 - 05.2022
Senior Software Engineer (Full-Stack)
GoIbibo-MakeMyTrip
04.2016 - 07.2021
B.Tech - Computer Science & Engineering
BIT Mesra
12th board -
The Future Foundation School
Current Personal projects
- Conversational AI & Agentic Workflows: Built chatbots with Generative AI, LLMs, memory, multi-turn reasoning, and agentic toolkits (APIs, DBs) to handle complex tasks, demonstrating autonomous orchestration capabilities.
- Document Intelligence & Retrieval: Designed RAG pipelines with LangChain, LLaMA Index, and vector databases for contextual Q&A, long-document summarization, and sentiment analysis from product reviews.
- Applied AI & User Experience: Prototyped real-world applications such as a LinkedIn Icebreaker Bot and Skill Distribution Analyzer, delivering interactive UIs to showcase capabilities for business and HR use cases.