Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Zarin Shaik

Streamwood,IL

Summary

Senior Software Engineer with 7+ years of experience designing and developing medium-to-large scale backend and web applications using Golang, Java, Node.js, and Angular. Proven expertise in Linux and Windows (bare-metal and virtualized) environments, Docker-based packaging and deployment, and managing relational databases such as Microsoft SQL Server. Skilled in manual and automated testing (Junit, Cypress, Postman) and implementing secure software development practices including HIPAA compliance. Adept at working in fast-paced environments, taking ownership of deliverables, and delivering innovative, high-quality solutions for complex problems. Experienced in architecting cloud-native financial and payment platforms, driving compliance with HIPAA, PCI, and GDPR while ensuring high availability, security, and performance.

Overview

9
9
years of professional experience
1
1
Certification

Work History

Senior Software Engineer

Worldstrides
07.2022 - Current
  • Developed micro frontend modules in React and Angular, enabling scalable, independently deployable features across enterprise healthcare platforms.
  • Built reusable web components with Stencil.js and React to streamline UI consistency and accelerate development of customer-facing applications.
  • Designed and implemented responsive, accessible UIs using advanced CSS techniques, ensuring compliance with WCAG standards and delivering seamless experiences across devices.
  • Partnered with cross-functional teams (UX, Product, Backend, QA) to align frontend delivery with business and clinical workflows, ensuring end-to-end application reliability.
  • Proven track record in building production-ready, HIPAA-compliant web services using Java, Spring Boot, and Golang, ensuring scalability, reliability, and security for healthcare and financial platforms.
  • Hands-on experience developing multi-tenant applications with React, TypeScript, and microservice architectures, enabling secure and seamless PHI data transactions across user groups.
  • Strong background in AWS (ECS, Lambda, RDS, IAM, Terraform, Vault) with Docker and Kubernetes, delivering smooth deployments and cloud-native scaling.
  • Designed and delivered enterprise-grade integrations with CRM, HER, and CPaaS systems, using service-oriented patterns and secure API practices.
  • Deep understanding of RBAC, OAuth 2.0, and access control models, applied in both healthcare and financial domains.
  • Skilled in rapid prototyping and collaborating with cross-functional teams to validate new product features and accelerate client delivery.
  • Familiar with data visualization frameworks (Grafana, D3.js, Highcharts) to create dashboards and reports that support decision-making in clinical and operational settings.
  • Developed medium-to-large scale backend and web applications, ensuring scalability, performance, and security in healthcare systems.
  • Utilized Golang for building backend services, including API integrations and high-performance processing pipelines.
  • Designed and deployed backend components on both Linux and Windows environments (bare-metal and virtualized), optimizing resource usage and reliability.
  • Implemented HIPAA-compliant secure software development practices, including encryption, access control, and vulnerability remediation.
  • Contributed to the development of the Edison Digital Health Platform, a scalable system supporting clinical workflows and patient engagement across global healthcare systems.
  • Migrated multiple components from a tightly coupled monolithic structure to Spring Boot-based microservices with REST APIs.
  • Built interactive dashboards using React and Angular to visualize patient data and operational metrics.
  • Collaborated with the DevOps team to integrate the project pipeline with Jenkins, streamlining CI/CD for all services.
  • Deployed applications across AWS and Azure using Terraform and ARM templates to support cross-region scalability.
  • Conducted comprehensive testing using Postman and Swagger for API validation and ensured coverage with JUnit and Mockito.
  • Utilized Splunk and Grafana for real-time monitoring and alerting on service health and performance.
  • Supported Agile development with daily standups, sprint planning, and retrospective sessions.
  • Leveraged AWS Lambda (serverless) with Node.js for on-demand processing of high-volume EHR data.
  • Used Python to support data pipelines and backend processing tasks, including transformation of patient health data for AI-based analytics.
  • Collaborated with data science teams to integrate AI models for predicting appointment no-shows and optimizing clinical workflows within AthenaOne.
  • Optimized React performance using memoization and lazy loading, achieving a 50% reduction in page load times for data-heavy dashboards.
  • Conducted security audits and implemented OWASP best practices for Angular applications, resolving vulnerabilities and ensuring HIPAA compliance.
  • Migrated legacy Java servlet pages systems to a MEAN stack architecture, enhancing scalability.
  • Implemented Redux for state management in a React-based dashboard, enabling real-time data visualization for clinicians.
  • Built CI/CD pipelines using Docker and Kubernetes to automate deployment of microservices across AWS EC2 instances.
  • Collaborated with UX/UI teams to create responsive frontend components with Angular and Material-UI.
  • Optimized SQL queries and indexing strategies, improving data retrieval speeds by 40%.
  • Conducted code reviews and mentored junior developers in React hooks, Angular services, and Node.js best practices.
  • Technologies: Java, Spring, React, Angular, Node.js, Express.js, AWS (EC2, S3, Lambda), Docker, Kubernetes, Redux, Jest, Cypress, RESTful APIs, TypeScript, Git, Python, Artificial Intelligence

Software Developer

Calix
05.2018 - 07.2022
  • Designed and integrated event-driven services using Kafka and Google Pub/Sub, enabling real-time messaging and seamless data exchange across microservices.
  • Built and optimized data processing pipelines with Google Dataflow, drawing on prior AWS Kinesis experience to deliver scalable and fault-tolerant ETL workflows.
  • Implemented Cloud SQL–backed services for secure, low-latency data storage and retrieval, migrating schemas and queries originally built on AWS RDS and SQL Server.
  • Collaborated with analytics teams to integrate Databricks on GCP, supporting large-scale data transformations and machine learning workflows.
  • Applied Golang in developing backend services and data processing components for microservice architectures.
  • Led containerization efforts using Docker for packaging and deploying applications across environments.
  • Managed Microsoft SQL Server databases, including schema design, query optimization, and indexing for high-volume transactions.
  • Collaborated with QA teams to establish manual and automated testing pipelines using Junit, Cypress, and Postman, ensuring product reliability.
  • Played a key role in developing the Mutually Well wellness and rewards platform used by over 1M policyholders.
  • Led the transformation of core systems from a Java-based legacy monolith to modular Spring Boot and Node.js microservices.
  • Developed reusable UI components using React and Angular, improving web feature responsiveness.
  • Developed Kafka producer and consumer services for real-time messaging between microservices.
  • Used Kafka for decoupling system components and asynchronously handling events such as user actions and system logs.
  • Configured Kafka topics, partitions, and consumer groups for high-throughput data ingestion and processing.
  • Collaborated with DevOps to automate build and release processes via AWS CloudFormation and Jenkins.
  • Wrote optimized SQL and NoSQL queries (MongoDB) to support analytics dashboards.
  • Used Kafka to enable real-time updates and tracking of user activity and rewards redemptions.
  • Implemented unit and API testing frameworks with JUnit, Mockito, and Postman, improving release confidence and reducing post-deploy bugs by 40%.
  • Monitored and optimized application performance using Datadog and Splunk.
  • Participated in Agile ceremonies including sprint grooming, planning, and retrospectives.
  • Automated end-to-end testing for financial workflows using Cypress, reducing regression bugs by 40% post-deployment.
  • Created Swagger/OpenAPI documentation for RESTful APIs, accelerating third-party vendor integrations.
  • Developed microservices with Node.js and Express.js to automate fraud detection workflows.
  • Implemented JWT-based authentication and role-based access control for secure API endpoints.
  • Utilized MongoDB aggregation pipelines for complex financial reporting and data analysis.
  • Integrated Angular for admin-facing interfaces, streamlining internal tooling and user experience.
  • Containerized applications using Docker and orchestrated deployments with Kubernetes on AWS.
  • Collaborated with DevOps teams to establish CI/CD workflows using Jenkins and GitHub Actions.
  • Optimized frontend performance using lazy loading and code-splitting in React, cutting load times by 35%.
  • Supporting Various Web applications, SSRS, SSIS, SQL Server, and MS Access, across sites.
  • Providing the Estimation for new developments and enhancements.
  • Involved in Migration/Upgrade of Data Base servers.
  • Technologies: MERN Stack, AWS (EC2, S3), Docker, Kubernetes, Java, Spring Boot, JWT, RESTful APIs, MongoDB Atlas, Jenkins, Material-UI, Jest

Software Development In Test (SDET) Intern

Amazon
01.2017 - 03.2018
  • Joined the Amazon Relay team during early development to support QA and test automation initiatives.
  • Wrote and executed regression test cases for core workflows including trip planning and onboarding.
  • Validated APIs for mobile and web platforms using Postman and Selenium.
  • Integrated automated test suites into Jenkins CI, improving build reliability and catching bugs early.
  • Technologies: Windows, Mac, UNIX, Linux, C, Python, R, SQL, Bash, Typescript, JavaScript, Go Lang, Java, Node.js, HTML5, CSS3, React, Angular, Spring Boot, Django, Redux, NgRx, Next.js, Material-UI, Bootstrap, Node.js, Express.js, NestJS, RESTful APIs, GraphQL, Go Lang, Docker, Kubernetes, Jenkins, GitHub Actions, CI/CD Pipelines, Argo, Rancher, Bamboo, Terraform, HIPAA, AWS (EC2, S3, Lambda, SageMaker), Azure (Databricks, Azure ML), GCP (Dataflow, Pub/Sub, Cloud SQL), Jest, Mocha, Chai, Cypress, Postman, Jasmine, Karma, Structure Map, Ninject, Unity Framework, MS-SQL Server, Oracle, DB2, MySQL, T-SQL, Sybase, Oracle 11G, SQL Server 2005/2008/2012, MS Access, MongoDB, PostgreSQL, Mongoose, Sequelize, Web Services, SOAP, WSDL, WCF, XSD, XPath, REST, OData, SVN, TFS, GIT, Accu Rev, MKS, SAP HANA, SAP HANA Cloud Integration, SAP BODS, UML, Design Patterns, Git Hub, TFS, VSS, Microsoft Visio, IBM Clear case, Rational Rose, UML

Education

Bachelors of Arts -

Kashmir University

Skills

  • Operating Systems: Windows, Mac, UNIX, Linux
  • Programming Languages: C, Python, R, SQL, Bash, Typescript, JavaScript, Go Lang, Java, Nodejs, HTML5, CSS3
  • Frontend & Backend: React, Angular, Spring Boot, Django, Redux, NgRx, Nextjs, Material-UI, Bootstrap, Nodejs, Expressjs, NestJS, RESTful APIs, GraphQL, Go Lang
  • DevOps: Docker, Kubernetes, Jenkins, GitHub Actions, CI/CD Pipelines, Argo, Rancher, Bamboo, Terraform, HIPAA
  • Cloud Tools: AWS (EC2, S3, Lambda, SageMaker), Azure (Databricks, Azure ML), GCP (Dataflow, Pub/Sub, Cloud SQL)
  • Unit Testing Frameworks: Jest, Mocha, Chai, Cypress, Postman, Jasmine, Karma
  • Dependency Injection Tools: Structure Map, Ninject, Unity Framework
  • Database Products: MS-SQL Server, Oracle, DB2, MySQL, T-SQL, Sybase, Oracle 11G, SQL Server 2005/2008/2012, MS Access, MongoDB, PostgreSQL, Mongoose, Sequelize
  • SOA: Web Services, SOAP, WSDL, WCF, XSD, XPath, REST, OData
  • Version Control: SVN, TFS, GIT, Accu Rev, MKS
  • ERP: SAP HANA, SAP HANA Cloud Integration, SAP BODS
  • Object-Oriented Methodologies: UML, Design Patterns
  • Source Repositories: Git Hub, TFS, VSS
  • Modeling and Design Tools: Microsoft Visio, IBM Clear case, Rational Rose, UML

Certification

  • AWS Certified Solutions Architect, Amazon Web Services (AWS)
  • Oracle Certified Associate, Java SE 8 Programmer, Oracle University

Timeline

Senior Software Engineer

Worldstrides
07.2022 - Current

Software Developer

Calix
05.2018 - 07.2022

Software Development In Test (SDET) Intern

Amazon
01.2017 - 03.2018

Bachelors of Arts -

Kashmir University

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Zarin Shaik