# Hasan Jaman

> Open for H1B transfer | Full Stack (Java). Cloud. AI — Design. Build. Scale.

Location: Iselin, New Jersey, United States
Profile: https://flows.cv/hasanjaman

🎯I will require H1B transfer (max out 2030).

✨ S U M M A R Y
• 9 years experienced Full Stack/Backend/Software Architect/Cloud Engineer/DevOps developer with excellent hands-on in Java, Python, Microservices, Spring Boot, Elasticsearch, SQL, AWS cloud Infrastructure, DevOps practices and AI integration.
• Strong in Data Structures, Algorithms, System Design, Distributed Systems, OOP, Sync/Async paradigm.
• Experienced in Fintech, Capital market domain with cloud security and compliance.
• Decent frontend experience in Angular, React, Typescript, Playwright.

🌟 G I T H U B
github.com/hnjaman

💡 S K I L L S
• LANGUAGES: Java, Python, Go, TypeScript, Bash, SQL
• BACK-END: Spring Boot, Spring Security, Django, Node.js, Hibernate, REST, GraphQL, Camunda,
• DATABASES: MySQL, Oracle, PostgreSQL, DynamoDB, Neo4j, Redis, Kafka, RabbitMQ, Elasticsearch
• CLOUD & DEVOPS: Linux, AWS, EC2, RDS, VPC, Lambda, API Gateway, ELB, S3, SQS, Jenkins, Git, CI/CD, Docker, Kubernetes, Helm, Ansible, Istio, Service Mesh, Terraform
• FRONT-END: Angular, Vue.js, React, HTML5, CSS3, Bootstrap, JSON, XML, Playwright
• ARCHITECTURE & PATTERNS: Microservices, Distributed Computing, MVC, Event Sourcing, SOLID, TDD, SAGA, IoC, DI

C E R T I F I C A T I O N
• Amazon Web Services (AWS) Certified Solutions Architect – Associate
• HashiCorp Certified: Terraform Associate

P E R S O N A L I T Y : Commander (ENTJ-A) (16personalities.com/profiles/entj-a/m/ig3rppehc)
I N T E R E S T S : Business, Startup, Travel, Sports, Writing.

## Work Experience
### Lead Software Engineer @ TechnoNext
Jan 2025 – Present | Dhaka, Bangladesh

### Sr. Software Engineer / Lead @ Object Data Inc
Jan 2024 – Jan 2025 | Iselin, New Jersey, United States
• Designed and developed cloud-native microservices using Java, Spring Boot, Spring Cloud, Hibernate.
• Implemented CQRS pattern, RESTful APIs, webhooks, and secure service communication.
• Automated infrastructure provisioning with Terraform, Terragrunt, and Ansible (dynamic inventory),
reducing deployment time by 40%.
• Orchestrated Kubernetes deployments using Helm, Kustomize, and ArgoCD; evaluated Rancher, Podman.
• Improved service security and reliability by implementing Istio on Kubernetes with zero-downtime canary
deployments, circuit breakers, retries, and gradual rollout ensuring 99.99% availability.
• Integrated Prometheus for monitoring and alerting of microservices.

✅ Environment: Java, Spring Boot, Spring Cloud, Spring Gateway, Spring Security, RESTful APIs, Hibernate, Keycloak (oAuth 2.0 and OIDC), Webhooks, PostgreSQL, AWS RDS, Kafka, TypeScript, Angular 15, Webpack, NgRx, HTML5, CSS3, Bootstrap, Angular Material, Docker, Kubernetes, Jenkins, Terraform, Ansible and Prometheus.

### Senior Software Engineer @ Inument Solutions Limited
Jan 2023 – Jan 2024 | Dhaka, Bangladesh
• Redesigned BanglaQR middleware for enhanced scalability, performance, and multi-tenant SaaS support.
• Built Dispute, Event Stream module, integrated ISO 8583 error propagation.• Developed RabbitMQ-based dispute resolver and Redis Stream integrations for data engineering.
• Deployed with Kubernetes (canary deployments); provisioned infra using Terraform.
• Developed backend and frontend (VUE) to configure merchant wise configurations.
• Prepared a PLSQL script to cancel subscriptions for three consecutive payment failure.

✅ Environment: Java, Spring Boot, Spring WebFlux, Spring Data JPA, Spring Cloud Stream, Spring Security, Microservices, Postgres, MySQL, Neo4j, ScyllaDB, Redis, Netty, SQS, RabbitMQ, Kubernetes, Docker, SLF4J, Vue JS, REST, Maven, Karaf, Camunda, Mockito, SonarCloud, Angular, Git, AWS

### Software Engineer @ SELISE Group
Jan 2022 – Jan 2023 | Dhaka, Bangladesh
• Analyzed the requirements suggested, developed the solutions aligned with the application.
• Develop API, made R&D and creates Camunda tasks based on requirements on different profiles.
• Worked on required automation on server deployment.
• Implemented SonarCloud and code quality gate.
• Code review, write unit test, conduct demonstration to client.

### Full Stack Software Developer @ Goods In Motion
Jan 2021 – Jan 2022 | Dhaka, Bangladesh
• Proposed and developed a system for creating group trips from Excel Sheet.
•  Created an icon independent, reusable service to write over an icon in dynamic position clustering.
•  Fetching Vehicle Tracking System (VTS) data from multiple VTS sources.
•  Created service fee payment posting module for admin portal (both Backend, Frontend).

### Senior Software Engineer @ Synesis IT PLC.
Jan 2020 – Jan 2021 | Dhaka, Bangladesh
• Played a key role from requirements analysis to development in launching passport fee payment system.
• Developed bill payment system for different utility providers of Bangladesh.
• Integrated different payment systems like CARDS, MFS and refund system.
• Prepare production, sandbox deployment automation as well as server shifting.
• Redesign ekpay client-side landing page and enhanced admin dashboard.

### Software Engineer @ BJIT
Jan 2017 – Jan 2019 | Dhaka, Bangladesh
Projects: Zsenia, Carite, JGTDSL
• Replicated AWS RDS to data center and reduce more than 30% AWS RDS cost.
• Created scheduled tasks to fetch New York Stock Exchange data from QM, Bloomberg, Yahoo finance.
• Analyze, correlate, restructure share market data for investment banking, web scrap & process DSE data.
• Developed APIs for an E-commerce, Rental and Guide hiring application.
• Take initiative and create Jenkins CI/CD pipeline for deployment automation using GitHub webhook.
• Optimized DynamoDB, CloudSearch to reduce redundant data and AWS cost.

✅ Environment: Java 8, Spring Boot, Spring Data JPA, Spring Data, Spring Security, Struts 2, Oracle 11g, JSP, MySQL, Microservices, RESTful API, AWS (RDS, EC2, S3, Dynamo DB, CloudSearch, ElasticSearch), Redis, Jenkins, Linux, Git, Python, Boto3, Django, Tomcat, JavaScript, AJAX, JQuery, ITEXT, JSON, Agile (Scrum)


## Education
### B.Sc in Information and Communication Technology
Mawlana Bhashani Science Technology University
Jan 2012 – Jan 2015


## Contact & Social
- LinkedIn: https://linkedin.com/in/hnjaman

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Source: https://flows.cv/hasanjaman
JSON Resume: https://flows.cv/hasanjaman/resume.json
Last updated: 2026-03-22