Solution Architect Information Systems

Saiful Karim Chowdhury

******.*****@*****.*** 678-***-**** Richmond, TX, 77407, US www.linkedin.com/in/saiful-chowdhury-3b26174

Enterprise Solution Architect

Tech-savvy and solutions-focused Information Systems Professional, offering comprehensive experience within IT industry. Solid history of leading complete software product life cycle from conception to implementation. Adept at delivering innovative software solutions and resolving software and hardware operating issues to attain technical goals. Skilled in managing operational activities of multiple technical projects from start to finish within timeframe. Instrumental in delivering focus on “voice of customer” into software development activities to ensure client satisfaction/retention. In-depth knowledge of developing Object oriented web applications using Java, J2EE, mobile applications using Android, and iOS and web technologies. Excellent communication, presentation, and leaderships skills; committed to strengthening robust relationships with key clients, stakeholders, and co-workers.

TECHNICAL PROFICIENCIES

Development Tools:

Android ADT, iOS, J2EE, J2ME, JDK, JSP, JMS, JDBC, JMX, JAXB, TLA, Socket, Servlet, iBatis SqlMap, Ruby on Rails, EJB, Spring, Hibernate, XML, XSLT, SAAS, HTML, SOAP, Web Service, JavaScript, JQuery, Grails, Mule, Log4J, SL4J, JMeter, JUnit, POI, Weblogic, Tomcat, Apache, JBoss, Oracle, MySQL, SQLite, H2, HSQL, PostgreSQL, Redis, RabbitMQ, AJAX, Apache Jackrabbit / JCR Repository, Maven, Apache Ant, xctool, React, Redux, NodeJS, ExpressJS, GraphQL, Angular 1.5, 1.6, 5x, 6x, 7x, and Apache Kafka

SW Process Tools:

XCode, Eclipse, IntelliJ IDEA, Android Studio, NetBeans, RubyMine, Git, SVN, TLA, Visual Studio, Microsoft Visio, JIRA, MySQL Workbench, JProfiler, Jenkins, and Hudson

Gen AI:

Open AI, AWS Bedrock with Knowledge Base, Langchain, Mongodb Atlas Vector

Programming Language:

Python, Java, Swift, Kotlin, Objective-C/C++, C/C++, Ruby on Rails, Perl, Shell Script, Groovy, JavaScript, Scala, and C#

Operating System:

Mac OS X, Linux, Unix, and Windows

PROFESSIONAL EXPERIENCE

Kiksasa LLC, Atlanta, GA July 2023 to Present

Distinguished Engineer (AI Architect)

Hands-on Solution Architect in building and optimizing our SaaS-based operating system, a transformative

platform for startups. Leveraging expertise in AWS serverless and modern cloud-based architectures and OpenAI for

Gen AI, designed and implemented robust, scalable solutions that power the interactive customer profiling and AI

chatbot functionalities, which are central to Kiksasa’s platform.

Key Contributions:

Design solutions to create and manage interactive customer profiles by integrating AWS services such as AWS CloudFront, SAM (Serverless Application Model), Lambda, API Gateway, and Secrets Manager. Enable real-time data processing to provide personalized user experiences, facilitating seamless, secure customer interactions on the Kiksasa platform.

Lead the implementation of AI-driven tools by utilizing OpenAI's API for advanced chat and Vector Database with MongoDB Atlas for vector search capabilities. This AI chatbot serves as a knowledge hub and support system, dynamically assisting users across Kiksasa’s platform.

Actively code, configure, and deploy solutions, ensuring the architectural integrity of each deployment aligns with Kiksasa’s high availability and low-latency requirements.

Partner closely with product, engineering, and data science teams to iterate on the customer experience, continuously refine chatbot interactions, and advance the Kiksasa behavioral model. Support data-driven decision-making and insights that reflect the founder's journey from ideation to execution.

Manage and enforce best practices for data protection and compliance, especially in the context of sensitive customer data handled via the platform's profile-building and chat capabilities.

Tools & Technology:

Cloud Platforms: AWS (SAM, CloudFormation, Lambda, VPC, Secrets Manager, IAM, Cognito, Code Pipeline, etc)

Gen AI (AI/ML): OpenAI, MongoDB Atlas for Vector Database, LangChain

Programming: Python, Node.js, Shell scripting

UI/Mobile Framework: React

Softrams LLC, Woodlawn, MD July 2023 to Present

Senior Solutions Architect – CMS MDP

Led the design and deployment of high-performance enterprise big data applications on AWS, catering to

a wide array of business requirements. Collaborated with cross-functional teams to ensure secure, efficient,

and robust solutions. Enhanced existing AWS architectures, driving efficiency and scalability. Mentored

junior architects and developers in best DevSecOps practices.

Key Contributions:

Responsible for designing 24 HPMS software modules that collect data for and manage MA and Part D plan enrollment and compliance processes.

Provides architectural and design support including performing analysis, making recommendations, and supporting implementation activities, for site-wide architecture, including the current and any new technology stacks.

Enhanced existing AWS architectures, driving efficiency and scalability.

Re-architect the existing functionality with the latest cutting-edge technologies.

Collaborated with cross-functional teams to ensure secure, efficient, and robust solutions.

Tools & Technology:

Cloud Platforms: AWS (EKS, Batch, Scheduler, SQS, S3, Lambda, RDS, Redshift, VPC, IAM, CloudFormation, etc.)

DevSecOps Tools: Docker, Kong API, Terraform, Jenkins, Terraform, Ansible, GitLab CI/CD, SonarQube

Security: Tenable, Prometheus, Threat modeling, Secure Code Review, Vulnerability Assessment, PEN Testing

Programming: Python, Java, Node.js, Bash scripting

UI/Mobile Framework: Angular

Cognizant Technology Solutions, Teaneck, NJ Dec 2020 to July 2023

Director of Engineering (Chief Architect1)

Drive significant challenges of developing and coding the entire SEO layer and runtime sitemap generation, pre-rendering, Meta tags, structured data, and content compression. Design CMS solution and code baseline integration with the headless API as well as baseline analytics layer to facilitate multi-tenant platform. Create and implement the configuration management system via AWS Parameter store along with data encryption layer. Collaborate directly with marketing, operations, and design teams to ensure the achievement of business demands by products. Plan and produce entire NodeJS REST backend layer to integrate with third parties. Architect and monitor the software development, infrastructure, quality control, and developer operations. Deal with the e2e delivery and maintenance of web apps and product infrastructure. Streamlined and led the development process of the baseline web and mobile product.

Key Contributions:

Elaborated the existing product and developed a scalable, optimal, configurable and multi-tenant architecture by interacting closely with product and technology stakeholders.

Delivered technical expertise/skills for devising and building the entire platform combining the headless backend, CMS, and stateless UI application for both web and mobile.

Tools & Technology:

ReactJS, React Native, iOS, Swift, Android, Kotlin, Ionic, Ionic Capacitor, Node, Express, GraphQL, Docker with AWS Fargate, AWS Parameter Store, Java microservices architecture with AWS API gateway and Lambda, SonarQube, GitLab for CI/CD

ConnexPay LLC, Alpharetta, GA Feb 2019 to Nov 2020

Director of Engineering (Principal Architect)

Transforming Travel Payments in Fintech

Spearheaded the design and development of ConnexPay's core payments platform, dedicated to seamlessly connecting payments for C2B2B intermediaries in high-risk industries like Travel and E-commerce. Responsible for both customer acquisition and payment issuance solutions, consolidating traditionally separate payment functions into a single, cohesive platform. Oversaw the engineering team, including recruiting and managing talent onshore and offshore, to deliver scalable, secure, and compliant systems tailored to industry needs. Facilitated communication between technical and marketing teams, driving cross-functional initiatives for product visibility and adoption.

Key Contributions:

Transformed payment acceptance and issuance for high-risk intermediaries by integrating previously siloed systems, reducing transaction friction and associated fees.

Led strategic, user-centric development of ConnexPay's customer portal, optimizing API functionality for seamless user experience and compliance.

Provided leadership to a six-member engineering team, including four offshore engineers, ensuring timely delivery of Fintech solutions with robust coding standards.

Tools & Technology:

Spring Boot, Spring Data, Hibernate JPA, PS/SQL, PostgreSQL, Angular 1.6 and 7.x, GraphQL, NodeJS with ExpressJS, Azure Functions, Typescript, ReactJS, TeamCity, Jenkins, Octopus, SonarQube for code analysis.

ADDITIONAL EXPERIENCE

ADP Inc, Alpharetta, GA Principal Engineer and Mobility Architect Lead, (July 2017 – Jan 2019)

Led functions involved with designing and development of APD’s angular based responsive web application and hybrid mobile iOS and Android application.

Angular 1.6.x and 6.x UI with Node, React, React Native, iOS, Android, Redux, Bootstrap 3, Webpack and LESS, SASS.

Java 10 microservice API with Spring boot, Jersey, JPA.

Java streaming engine with Apache Kafka.

Directed high-performing remote and offshore team of five members.

CAREER NOTE

Vanco Payment Solutions, Atlanta, GA Lead Architect, Feb 2016 to July 2017

NetSpend®, a Global Payment Company, Alpharetta, GA Development Manager, May 2014 to July 2016

Qualcomm Inc, San Diego, CA Engineer, Staff (Team Lead), Nov 2008 to May 2014

T SYS (a Global Payment Company), Alpharetta, GA Senior System Developer, Mar 2007 to Nov 2008

Therap Services LLC, Waterbury, CT Lead Software Engineer, Mar 2004 to Feb 2007

EDUCATION

B.Sc., Computer Science and Engineering Bangladesh University of Engineering & Technology, Bangladesh

CERTIFICATIONS

SCJP - Sun Certified Java Programmer

Contact this candidate