AVELIN CORREIA
Software Development Engineer 4
Denver,CO
Summary
Senior Backend Engineer with 12+ years of experience building scalable, resilient distributed systems in cloud-native environments. Strong expertise in Java, AWS, event-driven architectures, and high-availability systems. Proven track record designing critical-path services handling high throughput workloads.
Overview
15
15
years of professional experience
Work History
Sr. Software Engineer
Twilio Inc
Denver, CO
12.2019 - Current
- Re-architected and rebuilt the authentication flow to be OAuth-compliant, eliminating legacy auth patterns and leading the end-to-end customer migration effort. Improved security posture, standardized authorization flows, and reduced long-term operational risk.
- Built fault-tolerance mechanisms in the critical login path, eliminating single points of failure and cutting login failures by 80% during downstream dependency outages.
- Designed and implemented token refresh recovery processes that prevented abrupt user logouts, ensuring uninterrupted sessions and improved user experience.
- Designed and implemented the complete user lifecycle management system, defining state transitions, provisioning and access controls across distributed services.
- Designed and implemented a distributed task queue management system enabling supervisors to dynamically rebalance agents across queues in real time during peak traffic events.
- Mentored junior developers, fostering professional growth and enhancing team productivity.
Software Engineer
Here technologies 3
Chicago, Illinois
07.2018 - 12.2019
- Designed and implemented end to end pipeline to publish parent-child relationships for venues using cloud technologies such as AWS lambda, DynamoDB and SQS
- Performed cloud migration of legacy software functions
- Automated Hadoop jobs using hive queries, UDFs, bash and CRON job.
Software Developer
Uptake
Chicago, Illinois
01.2017 - 06.2018
- Responsible for developing highly scalable data ingestion framework for ingesting, transforming, enriching and publishing data at massive scale using fast data technologies such as Kafka streams, Kafka connect, NiFi and Elastic search
Java Developer
Envisage Information Systems
Ithaca, New York
09.2015 - 12.2016
- Developed XML based file validation module using Java reflection to validate large payroll files on column, row and file levels to be in concordance with specified SPARK file format
- Implemented load balancing algorithm in Jenkins using groovy script to distribute JUnit tests efficiently among executing nodes that achieved performance boost of nearly 25%.
Systems Engineer
INFOSYS Ltd
Pune, India
09.2010 - 12.2013
- Performed administrative activities which include installing IBM DataStage on Unix servers and clients, managing users and permissions and troubleshooting issues
- Developed ETL batches to extract data from multiple tables of transactional databases, use various transformations on raw data as per business needs and load into data warehouse using SQL, PL SQL code and IBM DataStage.
Education
Master of Science - Computer Science
State University of New York (SUNY)
Binghamton, NY05.2015
Bachelor of Engineering - Computer Engineering
University of Mumbai (St. Francis Institute of Technology)
Mumbai06.2010
SKILLS
Languages: Java (Primary), Scala, Python, Go
Backend: Spring Boot, REST, gRPC,
Microservices Cloud: AWS (Lambda, DynamoDB, SQS, IAM, EC2)
Streaming: Kafka, Kafka Streams, Kinesis
Data: SQL, DynamoDB, Hive, Hadoop
DevOps: Docker, Kubernetes, Terraform, CI/CD
Timeline
Sr. Software Engineer
Twilio Inc
12.2019 - Current
Software Engineer
Here technologies 3
07.2018 - 12.2019
Software Developer
Uptake
01.2017 - 06.2018
Java Developer
Envisage Information Systems
09.2015 - 12.2016
Systems Engineer
INFOSYS Ltd
09.2010 - 12.2013
Master of Science - Computer Science
State University of New York (SUNY)
Bachelor of Engineering - Computer Engineering
University of Mumbai (St. Francis Institute of Technology)