Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Timeline
Generic

Srinivas Achanta

Summary

Having 15 years of experience in IT Industry of which 9 years’ experience in Singapore. Worked on Education, Banking/Finance, Health Care, Telecom, Governance public sector customers by providing Architecture/Design/Implementation/consulting of large-scale On-Premise/Cloud Projects. Key Responsibilities Develop technical strategies at the enterprise level (Application/Infrastructure/Cloud/Database/DevSecOps/DevOps/Security) as a result of interactions with Business Relationship Managers, and any stakeholder groups by contributing to digital transformation. Modernize Application Architectures as part of Digital Transformation with Cloud Native Beyond 12 factor and Devsecops and Devops principles. Architect application architectures as per customer custom requirement with Cloud Native Architectures. Architect the systems and applications and provide smart road map for cloud migrations with Replatform and Rearchitect based solutions. Design architecture according to corporate and solution-based architecture practices and create architecture blueprints for business systems. Participate in developing strategies in global master plans and road maps. Maintain a balance between strategic visions and tactical solutions in order to formulate the best recommendations in accordance with Project business needs. Align IT strategy with Business Goals and work with IT External Vendors and IT Operations to develop high-level implementation plans for Programs/Projects. Conduct technological monitoring to detect, assess and introduce innovative new technological possibilities, as well as their impacts on Project business and IT operational activities. Collaborate with the Business Relationship Managers and clients to develop innovative ideas for the resort of the future model that is consistent or additive to the master plan and technology road map Recommend appropriate courses of action to developers, technicians on technical and infrastructural issues in production when required. Evaluate the viability of the current IT systems and make pertinent and realistic recommendations for improvement. Maximize the reuse of technology assets to ensure investment sustainability. Develop mock-up/modelling for technical solution options to support the team to provide profiles for technical solution designs consistent with a defined technical road map. Identify technology standards and guidelines for technology initiatives. Work with Compliance staff to identify areas of risk and mitigation plans regarding the master plan and road map. Map technology, process and scope of innovation projects to the master plan and road map. Achievements Received Job Promotion for FYE 2020-2021. Received Job Promotion for FYE 2019-2020 Received Pat on Back Award for FYE 2016-2017. Received Pat On Back Award for 2 FYE 2013-2015. Employment Summary [Total Experience: 15 years]

Overview

15
15
years of professional experience
1
1
Certification

Work History

Technical Lead

Scottish Water Group Technologies, Boeing Inc
  • Project:
  • Project Domain
  • IT
  • Project, Next Evise Editorial System
  • Client
  • Reed Elsevier

Senior Developer

Scottish Water Group Technologies

Developer

Boeing Inc

Solution Architect

Amazon Web Services
03.2022 - Current

Solution Architect/Cloud Architect

Singapore Life Ltd, Singapore Press Holdings, SPH
03.2022 - Current
  • Ensure success in designing, building and migrating applications, software and services on the AWS platform and cloud adoption
  • Review customer’s architecture landscape and advocate cloud cost optimization strategy and cloud security best practices as per CIS/NIST Industry standards with AWS Security software’s
  • In partnership with the account management team, formulate and execute a strategy
  • Advocate customers of all sizes on the value proposition of AWS, and participate in deep architectural discussions to ensure solutions are designed for successful deployment in the cloud
  • Conduct one-to-few and one-to-many training sessions to transfer knowledge to customers considering or already using AWS
  • Capture and share best-practice knowledge amongst the AWS solutions architect community
  • Build deep relationships with senior technical individuals within customers to enable them to be cloud advocates
  • Act as a technical liaison between customers, service engineering teams and support
  • Enterprise Architect with experience of handling large Infrastructure, Cloud, Application development/ maintenance services and Digital Transformation deals
  • As industry expert, develops and drives large and/or complex business solutions for targeted/assigned customers
  • Provides in-depth solutions architecture capability based on specific customer's business needs
  • Oversees holistic solutions from both business and technical perspective, considering all realities and constraints such as costs, contract terms, business conditions and the technical environment of the client
  • Experience in complex solutioning for Business Transformation and Infrastructure migrations/consolidations to Cloud/Data Center, Automation & Cloud Architecture
  • Demonstrated ability to lead the architectural design of large enterprise multi-platform environments in both traditional data centers and the Cloud
  • Breadth across Applications, Analytics, Digital to define target Architecture for clients and ability to work with key Practitioners for end-to-end solution accountability
  • Cultivates key trusted-advisor relationships with senior level IT executives demonstrating an understanding of key business challenges within customer markets and how Company technology-enabled business solutions can address those needs
  • Provides leadership and strategic guidance with pursuit teams during the solution development process to ensure alignment with overall Company sales and client business strategy
  • Develops high-level technical operating strategies and solutions, and benefits
  • Leads Solution Design Workshops and ensures alignment across the client’s business objectives, the technical solution, the Statement of Work and the contract
  • Interprets client requirements to ensure they address business goals
  • Provides recommendations to offering organization on new offerings, upgrades/augmentation to enhance corporate competency in meeting the needs of customers
  • Provide ongoing assistance to the delivery team during transition by providing guidance on 'intent,’ previous client discussions and drivers for design decisions.

Senior IT Architect

National Computer Systems, NCS
03.2018 - 02.2022

Man Power
03.2018 - 02.2022

Solution Architect/Cloud Architect

01.2020 - 01.2022
  • Delivery of MOE School Cockpit migration to AWS Government Commercial Cloud, Engage with potential clients (Public sector/private) to understand their business objectives and challenges, whilst demonstrating the value proposition of Workplace for their enterprise business
  • Involved in MOE (Ministry of Education School Cock Pit Project) from Requirements and Solutioning Phase from firming up the Cloud Architecture Blueprint and demonstrating to MOE customers with costing and BOM Preparation and Project Award Phase
  • Acted as Solution Architect/Delivery Architect during project delivery phase by guiding all the team members of various Towers in constructing the Low-Level design sign off and implementation of Cloud Infra Components, Application, DeSecOps and Security Signoff and successfully delivered the AWS GCC (Government Commercial Cloud) Migration for complex project
  • Work with GOVTECH Architect’s and challenging customer’s demanding requirements and firm up the concrete solution with holistic assessment and converting to designs that can fit in and deliver with Quality
  • Assess the application and architect the application to be cloud native for cloud migrations
  • Microservices Architecture and Design with Microservices Design Patterns and Architecture principles for modernizing the applications from Monolith to Microservices
  • Deep knowledge and implementation experience on Kubernetes (AWS EKS) solutioning and Implementation with Autoscaling (HPA, CA) and Resiliency capabilities
  • Do POC for several emerging technologies and software’s to access the tradeoffs and advantages and propose the relevant software components in the architecture and recommend to project teams and customers
  • Design and develop cloud native application architectures based on Kubernetes, Docker container platforms
  • Modernize the applications based upon customer requirement considering the replatform and rearchitect methodologies by participating in architecture and design sessions with the customer by migrating the existing Monolith applications to Microservices
  • Containers Capacity sizing and Integrations to AWS services
  • Design and develop Data pipeline solutions with Debezium, Kafka connect with Real Time ETL approach
  • Cloud Migrations assessment that include application modernization and database migrations from different database technologies
  • Communicate IT architecture methods, concepts, standards and policies
  • Provide solutions to digital transformations raised during pre-sales
  • Constantly explore new solutions and technologies, integrate learning and recommendations in to the development process
  • Develop a deep understanding of the system architecture, integration components and APIs
  • Design and document the solution by creating the required architecture artifacts that include System Architecture, Application Architecture, Deployment Architecture, System Data Flow, Technical Design Document to efficiently explain design concepts and solutions to various level of stake holders
  • Collaborate with the Growth and Customer Success teams to deliver customized pre-sales technical presentations and product demonstrations
  • Identify key system architecture components, propose and help clients build solutions that unblock deployments
  • Act as a conduit between projects and clients, by influencing the project roadmap
  • Providing Architectural service to public sector government agencies like Ministry of Man Power and Ministry of Education and Ministry of Finance
  • Design and Pre-sales support
  • Provide Technical scope for the projects includes BOM, capacity sizing for pre-sales teams
  • Cloud Native Apps and Cloud Orchestrations and Cloud Migration solutions
  • Identify potential and emerging technologies relevant to innovation for the customer business to grow
  • Apply knowledge of DevOps and DevSecOps to infrastructure as code development and deployment
  • Hardware and software technology refresh assessment and Budgetary quote submissions
  • Mentoring Project Team Leads across the projects and provide technical best practices for the complex technical challenges encountered
  • Provide solutions for data center’s migrations and technology refresh for projects
  • Articulate and train Tech Leads and assist in sharing the knowledge and technology.

Greater American Insurance Group
01.2019 - 01.2020
  • School cock pit (SC+)-MOE
  • Student Hub (SH)-MOE
  • SCAN -MOE

Ministry of Education, MOE
01.2018 - 01.2019
  • Integrated Foreign Manpower Management (inFORM)-MOM
  • Integrated Special Pass services (ISPS)-MOM
  • OSPS (MOM)
  • Individual Learning Programme (ILP) -MOE
  • Digital Sales Force (DSF)- NTUC

Technical Architect

Tech Mahindra
04.2013 - 03.2018
  • Customer: Accounting and Corporate Regulatory Authority Singapore (ACRA)
  • Project:
  • Project Domain
  • IT
  • Project Name, SGP_ACRA_AUG12_FB_IMPL_NEWBIZF
  • Client
  • Accounting and Corporate Regulatory Authority

Team Size

Wipro Technologies
07.2011 - 04.2013
  • Elsevier is one of the largest publishers of scientific, technological and medical information across the globe
  • Through its products and services, Elsevier provides world class information and tools to community of 30 million scientists, students, and health and information professionals worldwide
  • Some of the renowned products and services are listed below
  • Modules Involved: Production Transfer System, Communication
  • Responsibilities:
  • Analyzing raw requirements and identifying missing requirements to ensure completeness and consistency
  • Taken Responsibility of Production Transfer System
  • Involved in Complex requirements implementation
  • Research on how solution can be provided by developing POC’s
  • Developed Exception Handling Framework for entire Application and also developed reusable declarative components
  • Designing the Application Prototype and developing them
  • Preparing low level design of the system
  • Developed Forms with Oracle ADF
  • Integration of ADF BC with BPEL Services and Oracle UCM and Oracle OIM
  • Developing reusable components and features of the system
  • Reviewing the work (like Source code, documentation) of other developers
  • To train fresher’s and trainees of the account to scale up to the expertise expected for the project
  • Ensuring timely delivery to the customer
  • Project:
  • Project Domain
  • IT

Solution Delivery Analyst

Wipro Technologies
08.2010 - 04.2013

Team Size

Wipro Technologies
08.2010 - 04.2013
  • The Accounting and Corporate Regulatory Authority (ACRA) is the national regulator of business entities and public accountants in Singapore
  • ACRA also plays the role of a facilitator for the development of business entities and the public accountancy profession
  • BizFile+ Implementation was to serve ACRA Customers more features implemented with Oracle Fusion Middleware Technologies
  • Responsibilities:
  • Develop technical strategies at the enterprise level as a result of interactions with Business Relationship Managers, and any stakeholder groups
  • Design architecture according to corporate and solution-based architecture practices
  • Solution and Design with Planning for successful Datacenter Migration and software upgrades and key API integrations
  • Participate in developing strategies in global master plans and roadmaps
  • Maintain a balance between strategic visions and tactical solutions in order to formulate the best recommendations in accordance with Project business needs
  • Align IT strategy with Business Goals and work with IT External Vendors and IT Operations to develop high-level implementation plans for Programs/Projects
  • Conduct technological monitoring to detect, assess and introduce innovative new technological possibilities, as well as their impacts on Project business and IT operational activities
  • Collaborate with the Business Relationship Managers and clients to develop innovative ideas for the resort of the future model that is consistent or additive to the master plan and technology roadmap
  • Recommend appropriate courses of action to developers, technicians on technical and infrastructural issues in production when required
  • Evaluate the viability of the current IT systems and make pertinent and realistic recommendations for improvement
  • Maximize the reuse of technology assets to ensure investment sustainability
  • Develop mock-up/modelling for technical solution options to support the team to provide profiles for technical solution designs consistent with a defined technical roadmap
  • Support the planning process by conducting cost analyses (including material, project-related work and recurring work)
  • Identify technology standards and guidelines for technology initiatives
  • Work with Compliance staff to identify areas of risk and mitigation plans regarding the master plan and roadmap
  • Map technology, process and scope of innovation projects to the master plan and roadmap
  • Provide analysis and business cases to ensure that the technical architecture solution can support the long term growth of the company’s operations and is consistent with the standards of introducing new elements to the master plan and roadmap
  • Act as a technical vendor interface and ensure strategic alignment of selected vendors to the defined solutions introduced are consistent with the master plan and roadmap
  • Act as a critical interface to support solution design, implementation and supports development, quality assurance, and vendors in deploying solutions
  • Customers:
  • Reed Elsevier

Team Size

Wipro Technologies
02.2011 - 07.2011
  • Scottish Water (SW) operates under Water Industry commission of Scotland and provides water and sewage services in Scotland
  • This project involved in automating their workflows and improvising on their existing workstreams using the Oracle fusion middleware platform
  • Modules Involved: Developer Connections
  • Responsibilities:
  • Analyzing raw requirements and identifying missing requirements to ensure completeness and consistency
  • Research on how solution can be provided by developing POC’s
  • Designing the Application Prototype and developing them
  • Preparing low level design of the system
  • Developed Forms with Oracle ADF
  • Integration of ADF Forms with BPEL Services
  • Developing reusable components and features of the system
  • Reviewing the work (like Source code, documentation) of other developers
  • To train fresher’s and trainees of the account to scale up to the expertise expected for the project
  • Ensuring timely delivery to the customer
  • Project:
  • Project Domain
  • IT
  • Project, :
  • Work Transfer Management System (WTMS)
  • Client

Team Size

Wipro Technologies
07.2010 - 01.2011
  • Work Transfer Management System (WTMS) is an information system for automating the work transfer activities
  • Boeing Commercial Airplanes Group (BCAG) transfers parts / tools, organization or budget for profitable delivery of BCAG products and services
  • There are two phases in WTMS, Phase-1 called as “PRO-1975” mainly validates whether part can be transferred or to be suspended
  • Phase-2 called as “PRO-5049” actually transfers the part from one division to other
  • Modules Involved: Express, Make/Buy, DeXTS, CrossLoad
  • Responsibilities:
  • Analyzing raw requirements and identifying missing requirements to ensure completeness and consistency
  • Research on how solution can be provided
  • Designing the UI Mock up screens and developing them
  • Preparing technical architecture of the system and high level design
  • Developing reusable components and features of the system
  • Reviewing the work (like Source code, documentation) of other developers
  • To train fresher’s and trainees of the account to scale up to the expertise expected for the project
  • Submitted whitepapers for Wipro Manifest on ‘Impact of Social Media on Manufacturing’
  • Ensuring timely delivery to the customer.

Software Engineer

Keane India Pvt Ltd
11.2009 - 07.2010

Developer

Keane India Pvt Ltd, McKesson
11.2009 - 07.2010
  • Customers: McKesson
  • Project:
  • Project Domain
  • IT
  • Project Name, Horizon Enterprise Revenue Management System (HzERM)
  • Client

Team Size

Keane India Pvt Ltd
11.2009 - 07.2010
  • The Horizon Enterprise Revenue Management Set of applications is the next generation Healthcare Information System designed to provide Healthcare Enterprises with integrated access, receivable, resource, clinical and ERP management solutions
  • This integration reduces hardware acquisition costs, cost of implementation deployment and ongoing operating costs
  • Modules Involved: Payments and Adjustments, Refunds, Reconciliation, Proration and Reimbursement
  • Responsibilities:
  • Taken Responsibility to handle Payments and Adjustments and Refunds Module
  • Involved in coding Electronic x12 Messages such as ANSI835, Lockbox, and Collection Agency
  • Involved in preparing Unit Test Plans and System Test Plans
  • Served as Quality team Leader (QTL) which involves :
  • Tracking the defects and implementing Defect Prevention techniques to ensure that a quality code is delivered
  • Interaction with the SQA on a regular basis to keep track of the defect slippage
  • Actively involved in development and support of the application
  • As a PCMM Level 5 organization, we have certain processes which need to be followed
  • I ensure that followed the process with the team for everything we deliver.

Software Engineer

Evolvus solutions Pvt Ltd
10.2008 - 08.2009

Education

Bachelor of Technology - Electronics and Communications engineering

Jawaharlal Technological university

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Intermediate - Mathematics and Physics and Chemistry

Board of Intermediate Education

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2003

Skills

  • Languages
  • Java, C
  • Java Technologies
  • Java/J2EE,JDBC,Servlets, JSP,JMS,JSF,Spring MVC,Spring Boot
  • Cloud Native
  • Spring cloud, Spring security, Spring configmap, Feign Client, Ribbon, Eureka Service Discovery, Redis, AWS Elastic cache (Redis), Spring Cloud Gateway, Spring Session, Hazel cast, Kubernetes Discovery,Hystrix,AWS SES
  • Cloud Platform
  • Kubernetes, AWS EKS, Docker, Kubernetes Dashboard, Pods, services, Ingress Controller, HPA, Metrics, Cluster Auto scalar, Secrets, Config Map, Persistent volumes, Daemonsets,Namespaces,Context,Role,ClusterRole, Bindings
  • Cloud Log Aggregation
  • Cloud watch, Cloud watch Agent, FluentD, Container insights,Prometheus,Grafana
  • Cloud security
  • Trend Micro Deep security smart check container scanning, Aqua,Nessuss,Guard Duty
  • Java script Frameworks
  • Node JS, Angular
  • Cloud Providers
  • AWS (Amazon Webservices)
  • AWS Compute Resources
  • EC2,EBS,EFS,S3,VPC,Subnets,Regions, AMI,Availabilityzones,ECS,ECR,EKS,RDS,IGW,NGW,NLB,ALB,Route53,Cloud Front, API Gateway, Code commit, Code Build, Code Deploy,Ingress, Egress, Autoscaling,S3,IAM
  • AWS Landing zones
  • Control Tower, Landing Zone
  • AWS Cost and Governance
  • AWS Config, AWS Trusted Advisor, AWS Compute Optimizer, Savings Plan, Reserved Instances, CUR Reports
  • Containers
  • Docker
  • Container Orchestration Platform
  • Kubernetes, AWS EKS
  • Cloud Provision Tools
  • Terraform
  • Cloud Configuration Management
  • Ansible
  • API Gateway
  • AWS API Gateway, APIGEE,
  • Spring Cloud Gateway
  • API Specification
  • Swagger, Open API
  • DevOps /CI/CD Tools
  • Jenkins, Git, Bitbucket, Bamboo, Nexus and Jfrog Artifactories,Maven, AWS Code commit, AWS Code Build, AWS Code Deploy,ECR
  • DevSecOps
  • Kubescan, Kubebench, Fortify WebInspect
  • CDN
  • Imperva
  • Image Builder
  • Packer, AWS Image Builder
  • SSO and Identity Management
  • SAML, oAuth, JWT, OpenID Connect, Oracle Access Manager, Open LDAP, Active Directory
  • Oracle Fusion Middleware Suite
  • Oracle ADF/SOA/BPM/OID/OSB/WebLogic/UCM
  • Framework
  • Struts , Spring, Hibernate, ELK
  • Mobile Apps (Hybrid)
  • Oracle MAF
  • ORM Tool
  • Hibernate
  • Web Server
  • Apache HTTP and Microsoft IIS, Oracle HTTP server
  • Application Server
  • Tomcat, Jboss, WebLogic
  • Load Balancer
  • F5
  • Load Balancer (Layer 7)
  • NginX, HA Proxy
  • RDBMS
  • My SQL , Oracle, Aurora Postgres(AWS)
  • Memory profiler
  • JRockit Mission Controller,Eclipse Memory Analyzer
  • Other Technologies
  • Java Script, Ajax, XML,CSS
  • IDE/Tools
  • Eclipse 31,Jdeveloper 12c, Visual Studio Code
  • Tool
  • IReport, Sniffer, FileZilla, PuTTY,SoapUI, Wireshark,CA Nimsoft
  • Security Tool
  • Fortify Scan
  • Programing Standards Tool
  • Find Bug, Sonar Cube
  • Database Replication
  • Oracle Golden Gate, Data Guard, Active Data Guard, SQL server Replication
  • ETL
  • Informatica
  • Version Control
  • CVS, Star Team,VSS,IBM Clear Case,SVN,GitLab
  • Monitoring
  • Prometheus, Grafana,AWS CloudWatch
  • Patch Management
  • AWS SSM
  • Hardening
  • CIS Benchmark compliance

Accomplishments

  • IndusInd Bank
  • Project:
  • Project Domain
  • IT
  • Project Name:
  • Teller Management system
  • Client
  • IBL (IndusInd Bank)
  • Role
  • Developer
  • Organization
  • Evolvus Solutions Pvt Ltd
  • Location
  • Bangalore
  • Duration
  • February 2009 to August 2009
  • Team Size 10
  • Description:
  • IndusInd Bank uses Equation/3 of Mysis as their core banking system
  • Equation/3 requires a retail banking channel to complement its core banking functionality in order to provide a more user friendly and enhanced teller functions.One of the key areas of the teller functions is to manage cash in the branches
  • These functions include till and vault management, cash transactions typically performed in retail branches, managing teller sessions, reconciling cash and denominations, sophisticated user management and authorization matrix, reporting and MIS, etc
  • These functions complement the core banking functions of maintaining customer accounts and cash accounts, balances, attributes like special conditions, transactions and primary account authorization
  • The retail banking will be a channel to Equation/3 like ATM, internet banking or mobile banking only more sophisticated
  • Responsibilities:
  • Involved in Coding using Hibernate and Struts and Spring, Unit testing and System integration testing
  • Written Program Specifications document required for the project
  • Followed all the standards of coding in all the modules developed
  • Ensured that deadlines are met with good quality
  • Helped in integration of modules in the project
  • Project 1:
  • Project Domain
  • IT
  • Project Name:
  • Micro Beans
  • Client
  • DDN network, Camel
  • Role
  • Developer
  • Organization
  • Evolvus Solutions Pvt Ltd
  • Location
  • Bangalore
  • Duration
  • November 2008 to February 2009
  • Team Size 10
  • Description:
  • Micro Beans is a Micro Finance Solution, enabling user to manage their micro finance operations
  • Micro finance includes micro credit, micro saving and micro insurance
  • Micro finance caters to the rural and socially weaker population
  • Micro Beans features are categorized into three: 1
  • Loan Management features 2
  • Account Management features 3
  • Cash Management features
  • Apart from the above, the comprehensive Administrative features will enable organization to have better control over their micro finance activities, which are spread, into different geographical and hierarchical levels
  • Responsibilities:
  • Involved in Coding, Unit testing and System integration testing
  • Written Program Specifications Before coding and generated Junit Loggers by executing junit test cases
  • Taken Responsibility for all the Releases Done by Preparing Release Note and deploying war file in server
  • Followed all the standards of coding in all the modules developed
  • Preparation of Reports using IReport Tool
  • Page 1

Certification

AWS Certified Solutions Architect- Professional AWS Certified Solutions Architect- Associate Microsoft Certified Azure Fundamentals Oracle Web center 11g Essentials (IZ0-541) Project Details

Timeline

Solution Architect

Amazon Web Services
03.2022 - Current

Solution Architect/Cloud Architect

Singapore Life Ltd, Singapore Press Holdings, SPH
03.2022 - Current

Solution Architect/Cloud Architect

01.2020 - 01.2022

Greater American Insurance Group
01.2019 - 01.2020

Senior IT Architect

National Computer Systems, NCS
03.2018 - 02.2022

Man Power
03.2018 - 02.2022

Ministry of Education, MOE
01.2018 - 01.2019

Technical Architect

Tech Mahindra
04.2013 - 03.2018

Team Size

Wipro Technologies
07.2011 - 04.2013

Team Size

Wipro Technologies
02.2011 - 07.2011

Solution Delivery Analyst

Wipro Technologies
08.2010 - 04.2013

Team Size

Wipro Technologies
08.2010 - 04.2013

Team Size

Wipro Technologies
07.2010 - 01.2011

Software Engineer

Keane India Pvt Ltd
11.2009 - 07.2010

Developer

Keane India Pvt Ltd, McKesson
11.2009 - 07.2010

Team Size

Keane India Pvt Ltd
11.2009 - 07.2010

Software Engineer

Evolvus solutions Pvt Ltd
10.2008 - 08.2009

Technical Lead

Scottish Water Group Technologies, Boeing Inc

Senior Developer

Scottish Water Group Technologies

Developer

Boeing Inc

Bachelor of Technology - Electronics and Communications engineering

Jawaharlal Technological university

Intermediate - Mathematics and Physics and Chemistry

Board of Intermediate Education
Srinivas Achanta