50%
Faster OTA rollouts
Distributed Spring Boot system across millions of IoT devices
Available for senior backend roles
Abhishek Kr.
Upadhyay
Senior Software Engineer crafting fault-tolerant distributed systems with Java, Spring Boot & AWS — powering millions of connected IoT devices at scale.
Impact at scale
Numbers that matter
80%
Cost reduction
SQS → Kinesis migration for event-driven architecture
70%
Lower API latency
Elasticsearch optimization + caching strategy
4+
Years building at scale
Backend systems, cloud infra & IoT platforms
Career
Where I've built
Jan 2025 — Present
Senior Software Engineer
Netradyne Technologies · Bangalore
- Engineered distributed Spring Boot OTA system for millions of IoT devices — 50% faster rollouts
- Architected multi-region AWS infrastructure (EC2, PostgreSQL, DynamoDB) for data residency compliance
- Led SQS → Kinesis migration, cutting processing costs by 80%
- Delivered end-to-end device wake-up for live-stream requests (Angular, Spring Boot, SMS orchestration)
- Owned cloud-managed Wi-Fi hotspot feature across fleet — activation, credentials, usage visibility
- Mentored engineers through design reviews, code reviews, and production debugging
Jul 2022 — Dec 2024
Software Engineer
Netradyne Technologies · Bangalore
- Reduced API latency 70% via Elasticsearch; optimized with caching, compression, SQS batching
- Migrated device APIs from OAuth to JWT for stateless service-to-service auth at scale
- Built metrics & auditing for observability across distributed backend services
- Developed Spring Boot microservices integrating Salesforce, AWS, and IoT provisioning
- Built Angular ops portal for device log management and S3 diagnostics uploads
- Resolved critical production issues across backend, device integrations, and ops workflows
Toolkit
Skills & stack
Backend & Systems
JavaSpring BootMicroservicesDistributed SystemsEvent-Driven ArchitectureREST APIsHibernateMyBatis
Cloud & Infra
AWS EC2LambdaSQS / SNSKinesisS3DynamoDBDockerKubernetesJenkinsCI/CD
Data & Observability
PostgreSQLRedisElasticsearchMySQLMongoDBCassandraDatadogGrafanaPrometheus
Frontend & Tools
AngularTypeScriptPythonGitLinuxMavenJUnitMockitoAgile
Education
Academic foundation
Nov 2020 — Apr 2022
IIT Kharagpur
Master of Science in Chemistry
Kharagpur, India
Jul 2016 — May 2019
Kirori Mal College, Delhi University
Bachelor of Science in Chemistry
Delhi, India
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Let's build something reliable together
Open to senior backend and distributed systems roles. Based in Bangalore, open to remote opportunities in India and globally.