Highlights:Skilled in various phases of SDLC: requirements, architecting, documentation, developing and deploying solutions; good interpersonal skills and strong work ethics. Equally adept at coding, testing, devops: Java, Python, Node.js, AWS, Azure, Linux, Jenkins, Docker etc.

Skills:Java, TypeScript, Maven, Gradle, NPM, Bootstrap, GraphQL, Python, SQL, Jenkins, Git, Bamboo, Azure, AWS, Terraform, CloudFormation, Ansible, PowerShell, Splunk, SonarQube, ELK, Kubernetes, Docker, SpringBoot, DynamoDB, PostgreSQL, Redis, Selenium, Cucumber, Junit, Kafka, Agile, JIRA, Figma

Certification:AWS Certified Solutions Developer Oracle Certified Java Developer Appearing for Kubernetes Certified Administrator and Network Associate.

Spring Boot Java Dev 01/2024 - current
Polestar EAM, , United Kingdom
• Developed RESTful APIs using Spring Boot and Java 21 for a microservices architecture, JPA and optimised queries to MySQL RDS. • Unit & mock testing using JUnit, Mockito; API testing, MockMVC; Behaviour testing with Cucumber, postman, swagger. • Github actions, AWS Secrets Manager, Docker, Cloudwatch, ECS to build, deploy, observe. • PR reviews of junior devs, sprints, Figma and Miro boards with project managers.
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Consultant 08/2022 - 11/2023
Intuitive Cloud, , United Kingdom
Spring Boot microservices, Mockito, Junit, Bamboo, ECS & Docker. AWS lambda functions Java and Python. Migrate DNS traffic public to private AWS Java SDK, Route53, ALBs, EKS Ingress. CloudFormation, Jenkins Groovy, Former2, reduced lookup time 250~300%. Terraform Typescript CDK AWS Organization accounts governance, config rules, SSM automation; Repo governance with github API, webhooks, google docs, Jira automation. Azure DevSecOps Pipelines with quality gates coverage, SonarCloud SAST, SCA Snyk, DAST OWASP ZAP, Terraform, Selenium integration. Python NLP chatbot Kubernetes KubeFlow.
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Technical Lead 10/2022 - 07/2023
Polestar EAM, , United Kingdom
• Leading the development of a next generation asset management serverless product with Java & Node js; event driven NoSQL DynamoDB, SNS, SQS, Appsync GraphQL, React js frontend, REST API Gateway, Amplify CI/CD. • Feature development for the core Polestar product Java EE, incident management SRE, CI/CD with Apache Archiva and Jenkins, support junior devs, RDS MySQL, VPC, Subnets, EC2, S3, ALB, Shell scripting, Git, Gradle, Tomcat.
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Lead Developer 08/2016 - 09/2019
Ghuri Online Limited, , Bangladesh
• Web and mobile apps for the health sector, AWS beanstalk, Java Spring Boot, MySQL RDS, React js, Android Java, iOS/Objective C, Firebase. • Multi-channel travel ticket booking web and mobile app for buses, cruises, hotels, and air tickets, MySQL, React js, Laravel. • Developed Apps for Google and Apple store with combined download count of 2.5M+ Android Java, iOS/Objective C
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Senior Developer 01/2014 - 02/2016
Chelsea Apps Factory, , United Kingdom
• RESTful APIs development Java, Node js, Socket io, Jenkins/Bots CI/CD. • iOS, Android native development Objective-C, Swift, Java, SQLite, Animation
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Software Developer 04/2011 - 12/2013
Publishing Technology, , United Kingdom
• J2EE Portals, SOLR search, JSP, JUnit, JBoss, JMS, EJB, Eclipse, jQuery, XSLT, AJAX, JavaScript, Ivy, Ant, Linux/Solaris, SPARQL, RDF, Postgres, • ETL tools in Python, Django, reasoning, OWL, SPARQL, Jena, benchmarking RDF stores, Lucene, Quartz. • Natural language processing pipelines in Java, Entity Recognition, relations extraction, sentiment analysis, GATE, SVM Learner, Stanford parser, OpenCalais • Improve web portal search performance by 1200% using ajax queries and SOLR index instead of SQL or semantic queries to Postgres
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University of Freiburg 01/2003 - 01/2005
, , Germany
Degree: Master's Degree
Major:Computer Science
M.Sc. in Computer Science

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