Siddharth Sehrawat

Software Engineer

Delhi, India7 yrs experience

Most Likely To Switch

Key Highlights

Over 6 years of software development experience.
Expertise in designing scalable microservices architectures.
Awarded Expedia Delivery Champ for exemplary performance.

Stackforce AI infers this person is a Backend-focused Software Engineer with expertise in Fintech and E-commerce.

Contact

sid.sehrawat1@gmail.com LinkedIn

Skills

Core Skills

JavaMicroservicesSpring FrameworkSpring Boot

Other Skills

AWSAlgorithmsAmazon EKSAmazon S3Amazon SQSAmazon Web Services (AWS)Apache KafkaBack-End Web DevelopmentBusiness RequirementsCachingCode ReviewCoding StandardsComputer ScienceData StructuresDebugging

About

• Over 6 years of hands-on experience in software development, with a strong foundation in data structures, algorithms, code reviews, and deployment processes. • Experienced in creating both high-level and low-level system designs, transforming designs into scalable, production-ready systems. • Proficient in designing and building distributed systems and microservices architectures, emphasizing scalability, performance, and resilience using Spring Boot, Messaging Queues, containerization (Docker/Kubernetes), caching strategies, and key modules of the Spring Framework (Spring MVC, Spring Core, Spring Security, JPA). • Experienced with a variety of databases, including Relational Databases (MySQL), NoSQL (MongoDB, DynamoDB), and search engines like Elasticsearch (ES). • Strong expertise in object-oriented programming and design (OOPD), applying SOLID principles, design patterns, and focusing on writing clean, easy-to-maintain code. • Proficient in Java 8 ,11 and 17, leveraging modern features to build efficient, maintainable, and high- performance applications. Key achievements: Awarded Expedia Delivery Champ(H2-2024) for exemplary performance. 5-Star at Hackerank in Problem Solving.

Experience

7 yrs

Total Experience

1 yr 9 mos

Average Tenure

2 yrs 7 mos

Current Experience

Expedia group

Software Development Engineer 2

Nov 2023 – Present · 2 yrs 7 mos

Tech Stack : Java , Spring Boot, Microservices, AWS, Kafka, Elastic Search , Multi threading, MySQL ,Redis, New Relic, Debugging, Docker, K8.
Designed an in-memory caching mechanism for currency exchange rates, significantly reducing response
latency and improving system performance.
Led the design and implementation of the South Korea Card extension on the Expedia platform,
including tokenization and secure storage of sensitive card information.
Collaborated with the Expedia Global Payments team to tokenize payment instruments, serve accurate
currency exchange rates, and deliver valid payment options across global markets.
Architected and implemented a sensitive token migration strategy, minimizing redundant downstream
integrations and improving latency and overall system efficiency.
Actively participated in operations for 10 business-critical services in the payments booking path.
Provided on-call support, resolved incidents, debugged production issues, and delivered detailed root
cause analyses.
Committed to writing clean, efficient, and maintainable code while upholding operational excellence.
Mentored new team members, fostering a culture of accountability, quality, and results-driven
development.
Participated in on-call rotations to promptly address urgent issues and maintain service reliability.
Resolved security vulnerabilities to ensure application integrity and compliance with industry standards.

JavaSpring BootMicroservicesAWSKafkaElastic Search+7

Olx

Software Engineer

Mar 2022 – Nov 2023 · 1 yr 8 mos · Gurugram, Haryana, India · On-site

Tech Stack : Java , Spring Boot, Microservices, AWS, Kafka, Elastic Search , Multi threading, MySQL ,Redis, New Relic, Debugging, Docker, K8.
Developed OLX Autos dealer buy/sell backend REST APIs and microservices using
AWS, Redis, and Elasticsearch to store dealer ad data in MySQL
Implemented third-party ad posting APIs from scratch, enabling dealers to publish car
ads across multiple platforms using orchestration microservices and a Kafka pub/sub
model
Developed dealer onboarding APIs for lead creation and customer data sync with
Salesforce CRM, reducing manual document uploads.
Implemented Inspection Ad posting feature using REST APIs and webhook events,
and integrated DORA metrics to track CI/CD deployment performance.
Developed flag-based logic to manage OLX Transaction and Classified workflows for
dealer car ads, ensuring compatibility with downstream services.

JavaSpring BootMicroservicesAWSKafkaElastic Search+3

Amazon

Software Engineer

Sep 2020 – Mar 2022 · 1 yr 6 mos · Gurugram, Haryana, India

Tech Stack : Java, SpringMVC, Microservices, AWS, S3, Dynamodb, SQS, SNS, Kafka, Distributed systems, CloudWatch, EC2 , Debugging.
Implemented the Amazon Seller Web Application Widget, which provides investigators with claim-related
details and evidence for efficient review.
Developed and integrated a global email notification system to inform sellers of reimbursement
allowances based on the investigation process, determining whether the seller is involved in buyer abuse.
Designed and built an Automation Application from scratch, streamlining the monitoring and display of
real-time latency metrics for downstream services using alarms and monitoring tools.
Led the migration of services architecture to a new, Amazon-compliant platform using
internal Amazon tools, improving system efficiency and compliance.
Took full ownership of feature development, from designing to deployment, including implementing
core business logic and backend APIs.
Actively participated in code reviews and system design discussions, ensuring high code quality and
scalability.
Managed source code using Amazon's internal builder pipeline and ensured smooth integration with
various development workflows.
Regularly collaborated with Engineering Managers (EMs) to gain a deep understanding of seller business
needs and translate them into actionable solutions.
Integrated microservice metrics tools, enabling internal teams to analyze real-time traffic patterns and
service performance.
Developed global exception handling mechanisms for requests and responses, enhancing code
readability and maintainability.
Contributed to Low-Level Design (LLD) and wrote robust REST APIs with comprehensive unit tests to
ensure reliability and coverage.

JavaSpringMVCMicroservicesAWSS3DynamoDB+3

Qualitest

2 roles

Software Engineer

Sep 2019 – Sep 2020 · 1 yr

Implemented Reflow, Parsing, Error Identification, and Name-Role-Value functionality for websites using the Jsoup library, enhancing data extraction and error handling.
Ntrac Inc – Developed an intuitive tool to streamline the tracking and recording of harvest yields,
replacing handwritten, decentralized methods with an efficient, centralized solution designed by industry experts.
Integrated HubSpot for user profile management, storing data in a contact-based format to enhance CRM capabilities.
Designed and implemented pagination functionality for optimized UI display, improving user experience for large data sets.
Developed and integrated a localization feature, enabling the product to support multiple language
locales and expand global accessibility.
Created a Rest Assured Automation Framework for an Accessibility Tool, leveraging Java and Rest
Assured for efficient testing automation.
Took full ownership of feature development, from designing to delivery, ensuring smooth
implementation of business logic and backend APIs.
Actively participated in code reviews and system design discussions, fostering collaboration and
maintaining code quality.
Managed source code and deployment pipelines using Jenkins, ensuring automated and seamless
continuous integration and delivery (CI/CD).
Implemented a Rest Assured Framework CI/CD pipeline to automate testing and improve the efficiency of the development lifecycle.

JavaSpring FrameworkJsoupHibernateSQL

Associate Software Engineer

Jun 2019 – Sep 2019 · 3 mos

Implemented localization functionality which allow product to be accessible in different language locales.
Tech Stack : Java, Spring boot ,JSOUP , JavaScript, thymleaf, hibernate, SQL.

JavaSpring BootJSOUPJavaScriptThymeleafHibernate+1