Available to hire
I’m Oshin Acharya, a Java Full Stack Developer based in Fort Worth, TX, with 7+ years of experience delivering scalable, secure applications across fintech, telecommunications, and AI-driven platforms. I work across front-end and back-end, modernizing legacy systems and optimizing performance with microservices and cloud-native deployments.
I collaborate with cross-functional teams, embrace Agile and DevOps practices, and focus on user-centric design, security, and compliance to drive efficiency, reduce costs, and deliver lasting business value.
Skills
Language
English
Fluent
Javanese
Fluent
Work Experience
Full Stack Developer at T-Mobile
June 1, 2022 - PresentReduced API latency by 35% by designing and deploying AWS microservices (EC2, Lambda) with optimized load balancing for customer account management. Cut manual billing processing time by 50% through Python automation scripts, enhancing workflow efficiency and data accuracy. Built a real-time billing platform using React.js and Spring Boot, integrating Docker containers for seamless deployment on AWS EKS. Orchestrated Kubernetes clusters to manage 50+ microservices, implementing CI/CD pipelines with Jenkins for automated deployments. Enhanced security protocols using OAuth 2.0 and AWS IAM policies to ensure GDPR compliance. Migrated monolithic systems to AWS serverless architecture, improving scalability for peak traffic handling. Collaborated with DevOps teams to automate infrastructure provisioning using AWS CloudFormation templates. Conducted performance tuning of Python-based backend services to streamline high-traffic API responses.
Full Stack Developer at Verisk
March 31, 2022 - July 10, 2025Reduced infrastructure costs by 25% by migrating legacy systems to AWS (S3, Lambda) for scalable data storage and serverless computing. Improved data accuracy by 20% through Python ETL pipelines using Apache Spark for processing 1M+ daily transactions. Integrated React.js dashboards with backend APIs to enable real-time analytics and user-friendly data visualization. Containerized applications using Docker and deployed on Azure Kubernetes Service (AKS) for zero downtime during peak traffic. Designed RESTful APIs with Spring Boot to support real-time fraud detection and predictive analytics. Automated CI/CD workflows using Jenkins and Docker to accelerate release cycles. Optimized database performance using AWS RDS for PostgreSQL, ensuring high availability for mission-critical applications. Built Apache Kafka-based event streaming systems to enable real-time data ingestion.
Full Stack Developer at Fuse Machines
May 31, 2021 - July 10, 2025Reduced candidate screening time by 45% by developing AI-powered recruitment tools with Python and NLP-based resume parsing. Improved prediction accuracy by 30% by deploying machine learning models on AWS SageMaker for real-time candidate matching. Built Vue.js interfaces with GraphQL APIs to enhance data retrieval speed and user engagement. Automated CI/CD workflows using Docker and GitLab to minimize deployment errors. Designed a Python-based recommendation engine integrated with Apache Spark for processing candidate profiles. Migrated on-premise applications to AWS ECS, achieving cost savings and horizontal scalability. Implemented AWS CloudWatch for proactive application health monitoring and alerting. Mentored junior developers on Docker best practices and AWS security configurations.
Full Stack Developer at T Mobile
June 1, 2022 - PresentArchitected and implemented scalable microservices with Spring Boot, streamlining customer account management and reducing processing errors. Optimized RESTful APIs for backend-frontend data exchange, improving response times and reliability. Delivered responsive Angular UIs for high-volume platforms. Deployed containerized apps via Docker and Kubernetes on AWS, enhancing scalability and reducing downtime. Strengthened database performance with MySQL schema optimization. Implemented OAuth 2.0 and RBAC to bolster security. Automated CI/CD pipelines with Jenkins, accelerating deployments and reducing release errors by 30%. Enhanced QA with JUnit and Mockito, increasing test coverage. Monitored system health with New Relic APM to proactively identify issues. Collaborated in Agile Scrum teams to ensure timely sprint delivery.
Full Stack Developer at VERISK
July 1, 2021 - March 1, 2022Engineered backend with Spring MVC powering analytics platforms; integrated React front-end with RESTful APIs; designed and optimized ETL pipelines with Hadoop and Apache Spark; migrated legacy apps to Azure; implemented PostgreSQL as primary database; secured layers with JWT and RBAC; used Apache Kafka for real-time streaming; tuned performance for high transaction volumes; built interactive dashboards for BI; ensured GDPR compliance.
Full Stack Developer at FUSE MACHINES
February 1, 2019 - May 1, 2021Built an AI-powered Recruitment Platform using Java, Hibernate, and Vue.js; implemented RESTful and GraphQL APIs; deployed scalable services on GCP with MongoDB storage; designed and automated CI/CD pipelines with GitLab; created data workflows for ML recommendations; integrated third-party APIs to improve capabilities; improved performance via lazy loading and code splitting; led code reviews and pair programming to maintain high code quality; implemented Apache Solr search across apps.
Education
Master of Science at University of Fairfax
January 1, 2015 - December 31, 2015Master of Science (MS) in Computer Engineering at University of Fairfax
January 11, 2030 - December 2, 2025Qualifications
Industry Experience
Software & Internet, Telecommunications, Financial Services
Skills
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