Sumit Mittal Email & Phone Number

Montreal, Quebec, Canada

We are building 5G-centric cutting-edge technologies to power next generation Enterprise IT.Our mission is to build a new platform enabling Enterprise IT to migrate to 5G networks.

Toronto, Ontario, Canada

- As a senior back-end developer, I spent 80% of my time developing the code in Java & Python, unit testing the changes with JUnit, deploying the build in different environments and resolving production issues.- As a Technical Lead, I spent 20% of my time in task distribution, sprint planning, code review, PR approval, setup team and client meetings, goal tracking, functional demonstration to clients for feedback, coordinating with clients in different time zones and successfully migrating… Show more - As a senior back-end developer, I spent 80% of my time developing the code in Java & Python, unit testing the changes with JUnit, deploying the build in different environments and resolving production issues.- As a Technical Lead, I spent 20% of my time in task distribution, sprint planning, code review, PR approval, setup team and client meetings, goal tracking, functional demonstration to clients for feedback, coordinating with clients in different time zones and successfully migrating the changes in production.- Written business logic (coding) in Java 8 and written many automation scripts in Python.- Created project architecture with Spring Boot, Spring IoC, Spring MVC and Spring Data and implemented backend database layers to communicate with databases like DynamoDB & MongoDB.- Implemented various Microservices REST endpoints with Spring REST.- Consumed streams of messages with Apache Kafka & Amazon SQS.- Built the DockerFile to create a Docker Image and run the application in the Docker container.- Set up the application infrastructure on AWS cloud services like AWS EC2 and ECS.- Integrated Swagger in the microservices to create detailed documentation for all the endpoints.- Created CI/CD pipeline with Jenkins to automate the delivery of changes.- Used Maven as build tools, Linux for logs debugging, IntelliJ as IDE, Git for versioning, Jira for task management and tracking, JUnit for unit testing and log4j as a logging framework to write logs.- Break down high-level tasks into lower-level components for estimation, development, unit and integration testing.- Interact with the business, cross-functional teams and service providers on a day-to-day basis for requirement clarifications & development.- Manage change requests by creating ticket(s), analyzing and capturing the impact of the changes and implementing the signed-off changes.- Provided Level 3 support, and participated in critical production outages during global business hours. Show less

Montreal, Quebec, Canada

- Responsible for end-to-end solution designing, development, testing and code review in Java technologies.- Handled critical production outages, which involved understanding the root cause of the issue on running production servers, resolving the issue quickly in the short production window time frame and redeploying the upgraded build to resolve the live production issues.- Implemented various design patterns to make the code more robust, less coupled and easy to extend.-… Show more - Responsible for end-to-end solution designing, development, testing and code review in Java technologies.- Handled critical production outages, which involved understanding the root cause of the issue on running production servers, resolving the issue quickly in the short production window time frame and redeploying the upgraded build to resolve the live production issues.- Implemented various design patterns to make the code more robust, less coupled and easy to extend.- Developed the core business logic and scripting in Java 8 & Python.- Created controller, service, repository and component classes in Spring boot framework.- Developed and consumed many microservices in Spring Rest.- Hosted application on Treadmill (in-house AWS Cloud of MS) as a cloud solution.- Consumed data stream from Apache Kafka messaging topics to scale modules independently.- Jenkins as CI/CD, DB2 & MongoDB as databases, JUnit, Github, Perforce, Jira, Autosys, Maven.- Approve and/or create pull requests to merge changes in the master branch.- Assist testing teams in testing by preparing the test specification document, testing data and test cases. Show less

Noida Area, India

- Key responsibilities includes solution designing, development using Java/Pathon, unit testing using JUnit.- Production deployment, monitoring for outages and resolve the critical issues in the time frame.

Noida Area, India

- Full stack developer to develop end-to-end functionalities and assist in the design & implementation of the application components.- Prepare Design, Data Flow, and Process flow documents.- Identify & address impacted and interfacing functions & modules.- Revamp Java-based application developed in Spring, Hibernate, and J2EE.- Transfer the code to different environments like DEV, QA, UAT and PROD.- Used Strategy design pattern to make our application flexible to choose… Show more - Full stack developer to develop end-to-end functionalities and assist in the design & implementation of the application components.- Prepare Design, Data Flow, and Process flow documents.- Identify & address impacted and interfacing functions & modules.- Revamp Java-based application developed in Spring, Hibernate, and J2EE.- Transfer the code to different environments like DEV, QA, UAT and PROD.- Used Strategy design pattern to make our application flexible to choose required algorithms at run time.- Major Tech Stacks: Java8, Spring IOC, Spring MVC, Hibernate, Apache Kafka, Docker & Kubernetes, Spring REST Microservices, Oracle, Gitlab, JUnit, Jenkins. Show less

Noida Area, India

- End-to-end development of the admin panel.- Use Java/J2EE technologies to develop web applications for client-server environments & add functionalities to an existing application.- Deliver REST web services to mobile teams as per their requirements.- Push the final tested version in UAT and then in the production environment.- Schedule and prioritize work items during scrum and retrospectives meetings.- Interact with clients to gather and understand the requirements and… Show more - End-to-end development of the admin panel.- Use Java/J2EE technologies to develop web applications for client-server environments & add functionalities to an existing application.- Deliver REST web services to mobile teams as per their requirements.- Push the final tested version in UAT and then in the production environment.- Schedule and prioritize work items during scrum and retrospectives meetings.- Interact with clients to gather and understand the requirements and clarify doubts.- Upgrade the existing application by including the changes of the new requirement requests from the client.- Participating in code reviews and actively contributing to upgrading the code quality.- Major Tech Stacks: Java6, Spring3, Hibernate, REST Web Services in Jersey, bitbucket, JSP, JQuery, AJAX, Oracle, FileZilla, Maven, Postman, IntelliJ. Show less

Noida Area, India

- Created action classes, user interfaces layer, service layer, and Dao layer.- Design of complex, global, or strategic development projects to identify and address interfacing functions.- Continuously improving the code quality & performance of the application.- Involved in the estimation, design and development of the new requirements of the application.- Coordinate with the client and Business Analysts to gather, understand and analyze the user requirements related to the… Show more - Created action classes, user interfaces layer, service layer, and Dao layer.- Design of complex, global, or strategic development projects to identify and address interfacing functions.- Continuously improving the code quality & performance of the application.- Involved in the estimation, design and development of the new requirements of the application.- Coordinate with the client and Business Analysts to gather, understand and analyze the user requirements related to the project.- Writing software code and integrating various functional and technical specifications in the application using JSP, Java, J2EE and Struts2 technologies.- Perform unit testing and integration testing of the software application using Junit technology and also perform manual testing to ensure they meet the quality standards.- Provide maintenance and support of existing software applications by making software code modifications as part of fixing bugs and defects in sprint releases.- Major Tech Stacks: Java6, Struts2, Hibernate, REST Web Services in Jersey, Redis, MySQL, Github, HTML, JavaScript, JQuery, AJAX, JSP, JUnit. Show less

Master Of Technology - Mtech, Information Technology, A+

Bachelor Of Technology - Btech, Computer Science, A