Hasnain Ansari  ·  Senior Java / Kafka Backend Developer  ·  5+ yrs

Mid-Level
5+ years experienceremote
Available within 48 hrs

Built for

MedhostQatar GovernmentVerizon

About Hasnain

Hasnain Ansari is a Sr. Software Engineer with 6+ years of experience in developing server-side components and microservices using Java and Spring Boot.

5+ years of commercial experience in

HealthTechCybersecurityFood & RestaurantGovernment & Public Sector

Skills(16)

JavaSpring BootApache FlinkKubernetesAzureMySQLPostgreSQLRESTKafkaJiraJasper ReportsIBM Db2JunitPostmanGitSwagger

Why hire Hasnain?

Production deploy authorityMentored 5+ juniorsLed multiple projects

Full SDLC ownership including project planning, client interaction, coding, and documentation.

Expertise in microservices architecture integrating Spring Boot applications into existing systems.

Strong experience in Agile and Scrum methodologies, including TDD and code reviews.

Designed and implemented robust RESTful APIs for critical system integrations.

Successfully deployed applications in Kubernetes environments on Azure.

Designed and developed complex Jasper Reports templates for critical clinical and administrative reporting for Medhost USA.

Implemented robust, secure, and efficient RESTful APIs facilitating seamless data exchange for the Qatar government's Single Window project.

Developed and maintained real-time data processing and streaming solutions using Apache Flink and Kafka for a microservice platform at Verizon.

Resolved production issues reported by clients across multiple projects, enhancing system stability and user satisfaction.

Project highlights(4)

Healthcare EMR/EHR Solution – Sr. Software Engineer

Overview: Developed for a premier provider of Electronic Medical Records (EMR) and Electronic Health Records (EHR) solutions, ensuring HL7 standards compliance. Responsibilities: Designed and developed Jasper Reports templates and data retrieval logic for clinical, administrative, and billing reports. Integrated Jasper Reports within Java applications, ensuring seamless functionality and performance.

JavaSpring BootJasper ReportsIBM Db2JunitPostmanGitJira

Key outcomes:

  • Designed and developed Jasper Reports templates for various clinical and administrative reports.

Government Single Window Platform – Sr. Software Engineer

Overview: Initiated by the Qatar government to streamline and enhance business operations through a centralized platform for business registration and management. Responsibilities: Developed robust and efficient APIs using Java technologies for seamless communication between modules and external systems. Ensured API security by implementing authentication, authorization, and encryption mechanisms.

JavaSpring BootPostgreSQLJunitGitJiraSwagger

Key outcomes:

  • Implemented robust and secure RESTful APIs to facilitate seamless data exchange for government processes.

Telecommunication User Management System – Associate Software Engineer

Overview: Microservice-based platform for managing users, products, and services, specifically focusing on the SELFREG module for user registration and permissions. Responsibilities: Developed backend using Spring Boot, Spring JPA, Spring Data, Spring Security, and Swagger. Implemented real-time data streaming solutions using Kafka.

JavaSpring BootApache FlinkKafkaJunitGitJiraKubernetesAzure

Key outcomes:

  • Developed and maintained real-time data processing and streaming solutions using Apache Flink and Kafka.

Scientific Data Management Platform – Associate Software Engineer

Overview: A site for users to store, retrieve, and visualize physical properties of food materials. Responsibilities: Implemented new features like material grouping, searching, and Dataset chart formation. Analyzed design documents and interacted with the client.

JavaSpring BootMySQLJunitGitJira

Key outcomes:

  • Implemented new features like material grouping, searching, and dataset chart formation for scientific data visualization.

Industry experience

HealthTech

1 project
  • •Healthcare EMR/EHR Solution— Sr. Software EngineerJava · Spring Boot · Jasper Reports · IBM Db2 +4

Cybersecurity

2 projects
  • •Government Single Window Platform— Sr. Software EngineerJava · Spring Boot · PostgreSQL · Junit +3
  • •Telecommunication User Management System— Associate Software EngineerJava · Spring Boot · Apache Flink · Kafka +5

Food & Restaurant

1 project
  • •Scientific Data Management Platform— Associate Software EngineerJava · Spring Boot · MySQL · Junit +2

Government & Public Sector

1 project
  • •Government Single Window Platform— Sr. Software EngineerJava · Spring Boot · PostgreSQL · Junit +3

Ready to work with Hasnain?

Schedule an interview and onboard within 48 hours. No long hiring cycles.

At a Glance

Experience5+ years
Work moderemote
Starting from₹1.7 L/mo
Direct hirePossible
Start within48 hours
From₹1.7 L/ month

Single contract. No agency markup confusion.

Typically responds within 4 business hours.

5-day replacement guarantee
48-hour onboarding, single invoice
Direct chat — no recruiter middleman
Seniority signals
Owns production deploysSystem ownerCode reviewerOn-call experience
VerifiedVetted by Witarist
Technical skills assessed & verified
Background & identity checked
English communication verified
Ready to onboard in 48 hours

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Hasnain Ansari

Java Developer + Flink