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Overview
Work History
Education
Skills
Timeline
Projects
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SAYALI PATIL
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SAYALI PATIL

Java Backend developer
Chandigarh,CH

Work Preference

Job Search Status

Open to work
Desired start date: Flexible

Desired Job Title

Senior Java Backend DeveloperAssociate ProjectsAssociate Consultant

Work Type

Full Time

Location Preference

Remote

Important To Me

Career advancementWork-life balanceCompany CultureWork from home option

Summary

Senior Java Backend Developer with 8.5+ years of experience designing, developing and optimizing enterprise backend systems using Java (8/11/17), Spring Boot, Microservices, REST APIs, AWS, Kafka, Redis, SQL and Elasticsearch. Proven experience building high-volume applications, modernizing legacy systems, improving throughput using multithreading, leading critical features, resolving production incidents and mentoring engineers.

Overview

9
9
years of professional experience

Work History

Senior Java Backend Developer

HRS Group
Chandigarh
09.2023 - Current
  • Working on HRS's core Booking Engine platform powering hotel search, pricing, booking, and corporate travel solutions.
  • Designed and developed 10+ REST APIs supporting booking lifecycle, rate management and GDPR workflows.
  • Built backend services supporting a booking platform processing 25K–30K bookings daily across 243K hotels.
  • Improved booking lifecycle throughput by optimizing booking export services using multithreading.
  • Implemented payment rollback functionality for failed booking scenarios.
  • Owned GDPR anonymization services and automation for enterprise sub-clients.
  • Enhanced automated rate-loading notification services.
  • Resolved high-severity production incidents through root cause analysis.
  • Mentored 4 junior engineers and actively performed code reviews.
  • Collaborated on features supporting €39M+ weekly hotel transaction output.

Associate Projects

Cognizant
01.2022 - 09.2023
  • Designed and developed 20+ REST APIs for enterprise onboarding solutions.
  • Participated in microservices system design and backend architecture.
  • Migrated Spring Boot 2.6 applications to Spring Boot 3.0.2 improving security and performance.
  • Built onboarding, audit trail and workflow orchestration services.
  • Integrated multiple banking applications using scalable backend services.

Associate Consultant

Atos Syntel
11.2017 - 01.2022
  • Worked across multiple enterprise banking and financial services projects including Morgan Stanley, American Express, JP Morgan Chase, and Student Loan Company (UK).
  • Developed enterprise Java applications and REST APIs for banking clients.
  • Built SLA loan processing enhancements and business validation modules.
  • Implemented audit/history tracking and data refresh functionality.
  • Developed reusable frameworks reducing duplicate code.
  • Participated in legacy modernization projects.

Education

BE - COMPUTER ENGINEERING

Govt. college of engineering
Jalgaon
06-2017

DIPLOMA - COMPUTER ENGINEERING

MSBTE, Govt Polytechnic
Jalgaon
06-2014

SSC -

R.R. High School
Jalgaon
06-2011

Skills

  • Java 8, 11, 17
  • SQL
  • Spring Boot and MVC
  • Spring Data JPA
  • Hibernate
  • Microservices architecture
  • REST APIs
  • Distributed systems
  • Design patterns
  • Kafka messaging
  • AWS services (EC2, ECS, S3, IAM, Lambda, CloudWatch, CloudShell)
  • Oracle and DB2 databases
  • Redis caching
  • Elasticsearch search engine
  • Maven build automation
  • Jenkins CI/CD integration
  • Git version control
  • SonarQube quality analysis
  • JUnit testing framework
  • Mockito mocking framework
  • IntelliJ IDEA IDE
  • JIRA project management
  • Swagger API documentation
  • Postman API testing tool
  • SoapUI web service testing tool
  • VisualVM performance monitoring

Timeline

Senior Java Backend Developer

HRS Group
09.2023 - Current

Associate Projects

Cognizant
01.2022 - 09.2023

Associate Consultant

Atos Syntel
11.2017 - 01.2022

BE - COMPUTER ENGINEERING

Govt. college of engineering

DIPLOMA - COMPUTER ENGINEERING

MSBTE, Govt Polytechnic

SSC -

R.R. High School

Projects

  • Project #1, Title: Booking Engine-Stronghold (Sept 2023 to till date), Technology: Java, spring boot, SQL, maven, IntelliJ, Jenkins, GIT, Jira, Junit., Project Description, At the heart of HRS's value proposition, the team operates the platform's core infrastructure: the Offer Engine delivers optimal rates across free sale inventory, the Booking Engine processes 25-30K daily bookings with 95%+ success rates generating €39.14M weekly HTO, and Multisource aggregates offers across 243K hotels driving 15.5% of all bookings. These systems directly enable HRS's mission to make business life better through superior booking experiences., Roles & Responsibilities, Enhance the booking experience for corporate travelers by ensuring seamless access to optimal offers and availability throughout the entire booking lifecycle—from initial search and booking creation through modification and cancellation., Developed Functionalities for various rate loading tools., Coordinate with different teams to develop new features., Owned the component GDPR which handles data requests from different clients., Worked on different scheduled jobs and their maintenance., Unit Testing, Defect fixing.
  • Project #2, Title: Unified Onboarding (Feb 2022 to Sept 2023), Client: US Bank, Technology: Java, spring boot, SQL, JSON, Hibernate, maven, IntelliJ, Jenkins, GIT, Jira, Junit, Mockito., Project Description, Unified Onboarding is wealth management platform made for bank employees and customer to simplify onboarding activity. It provides ability to create different account types with different parameters. Tool takes data from different applications of US bank and consolidate them., Roles & Responsibilities, Design and development of new software modules, APIs and micro services., Migration of PT application Spring Boot 2.6 to Spring Boot 3.0.2, Developed Functionalities for initiate onboarding, submit onboarding, saving audit trails, Fetching users task from different systems., Coordinate with different teams to introduce new features and to setup there data in UO PT tool., Unit Testing, Defect fixing.
  • Project #3, Title: SLC LA Portal (Feb 2021 – Jan 2022), Client: Student Loan Company UK, Technology & Tools: Java, HTML, Javascript, hibernate, Eclipse, Jira, GIT, Junit., Project Description, We are a non-profit making government-owned organization that administers loans and grants to students in colleges and universities in the UK. SLC is an executive non-departmental public body, sponsored by the Department for Education. LA portal is a website application where we assess student application manually by verifying details. This portal is connected with colleges for course details like duration, fees, student’s attendance. The main role of LA portal is assess applications properly so that SLC can pay the right amount of support to the right people at the right time and ensure repayment of the right amount of Income Contingent Repayment loan balances at the right time., Roles & Responsibilities, Design and development of new forms based on requirements of loan application., Developed Functionalities for saving different residency details of student and adding proper validation items., Developed the functionality to modify application after approval of loan application., Coordinate with different teams to introduce new features and to setup their test data in BAU team., Writing new generic functions to avoid duplicate codes., Unit Testing, Defect fixing, Deployment process.
  • Project #4, Title: Arena Self Service Tool (July 2019 – Feb 2021), Client: American Express, Technology: Java, spring boot, couch-base, JSON, React JS, maven, STS, IntelliJ, Jenkins, Elastic search, Lombok, Jira, Project Description, Arena one Integration is a framework and environment for product integration testing. This provides a self-service tool where user can search required test data with their business condition and reserve card account or user details for project testing needs., Roles & Responsibilities, Design and development of new software modules, APIs and micro services., Completely owned migrating application Spring Boot 2.1 to Spring Boot 3.0.2, Developed Functionalities for saving search criteria for later use, fetching reservation details, Data Refresh activities, Data sync up., Involved in implementation of Thymeleaf framework for email, code clean-up activities, and duplicate code removal., Coordinate with different teams to introduce new features and to setup there test data in SSP tool., Unit Testing, Defect fixing, Deployment process.
  • Project #6, Title: JPMC Process Recorder (Feb 2019 – June 2019), Client: JPMC, Technology & Tools: Java, SpringBoot MySQL, JSON, maven, STS., Project Description, Syntbots Process Recorder is a desktop tool that captures user actions to intelligently identify processes for Robotics Process Automation with detailed time & motions studies and creates business process maps for improved documentation. SyntBots Recorder tool facilitates recording of the as-is processes with near zero disruption to BAU colleges and universities in the UK., Roles & Responsibilities, Project development & enhancement, Creating Rest APIs, Micro services for web portal, Developed Functionalities for upload – download Reports, Unit Testing, Defect fixing, Deployment process.
  • Project #6, Title: MS SR System Modernization. (Jan 2018 to Dec-2018), Client: Morgan Stanley, Technology & Tools: Java, Spring batch, DB2, mainframe, natural language, JCL, adabas, Perforce., Project Description, MS Stock Record (SR) System Modernization is an application to migrate legacy SR system written in natural language to Java. This application generates various reports which shows the stock details owned by the companies and push it to on demand system were reports will be stored and retrieved. Have worked on capturing existing business model written in natural language and migrated it to Java., Roles & Responsibilities, Involved in various aspects of project life cycles like, requirement gathering, analysis, task assignment, development, testing, code review., Have quickly learned legacy systems technology natural language., Helped team to apply java functionality according to natural logic., Involved in code review, code clean-up, coding check style activities in project., Involved in unit testing and immediate defect fixing activities.
SAYALI PATILJava Backend developer