01 / BACKEND
Production-grade APIs
Spring Boot services designed for high throughput, clean contracts, and boringly reliable deployments.
100k+transactions / day
AVAILABLE FOR SELECT PROJECTSKTM / UTC+5:45
SENIOR BACKEND ENGINEER × SYSTEMS CONSULTANT
I engineer Java
backends your
business runs on.
I help product teams ship secure, scalable Java systems—from Spring Boot microservices to mission-critical ERP and CRM integrations.
7+years shipping
99.9%uptime targets
<12hresponse time
GET /api/v1/portfolio200 OK 34ms
ClientHTTPS
GatewayOAuth2
ServiceSpring
DataPostgres
@GetMapping("/systems")
public ResponseEntity<Build> ship() {
return pipeline
.secure(OAuth2)
.scale(Kafka)
.deploy();
} samir@productionCPU 12% MEM 384MB UPTIME 99.9%
SYSTEM ARCHITECTSamir GautamTRUSTED IN PRODUCTIONBasico IT ↗Pods365 ↗Grow Tech ↗Info Developers ↗
./CAPABILITIES
Built for the hard parts.
The infrastructure behind your product should accelerate growth, not become the next fire to fight.
02 / INTEGRATION
Systems that stay in sync
Resilient NetSuite, HubSpot, payment, and event pipelines with retries, observability, and audit trails.
20%faster batch pipelines
03 / SECURITY
Security by architecture
OAuth2, JWT, Spring Security, and OWASP controls embedded from the first diagram—not added at launch.
50k+users secured
04 / PERFORMANCE
Less latency. More headroom.
Query tuning, cache strategy, async workloads, and profiling that turn bottlenecks into capacity.
30%query improvement
./TECH STACK
A stack chosen for uptime.
Battle-tested tools, applied pragmatically. Every technology earns its place in the architecture.
01Java 21Core
02Spring BootFramework
03Apache KafkaMessaging
04PostgreSQLData
05DockerRuntime
06KubernetesScale
./EXTENDED TOOLBOX
From first commit to production telemetry.
I work across the complete backend delivery cycle: system design, implementation, infrastructure, security, performance, and handover.
Java (8/11/17/21)Spring BootSpring Cloud / MicroservicesHibernate / JPANode.jsExpress.jsRESTful APIs & GraphQLgRPC & WebSocketsApache KafkaRabbitMQNetSuite Integration (RESTlets / SuiteScript 2.x)HubSpot API Integration (Webhooks / Custom Apps)API Gateway (Spring Cloud / Kong)OAuth2 & JWT Security ProtocolsStripe & Local Payment GatewaysPostgreSQLMySQLOracle Database
./EXPERIENCE
Seven years. Real systems. Measurable outcomes.
From European fintech to Nepalese SaaS and public-sector platforms, I build for real-world complexity.
01
Senior Java Developer & Integration Specialist
Basico IT (Spain - Remote)
Architect and lead backend systems development and high-throughput integrations for European clients, focusing on secure financial flows and modernizing Java legacy systems.
02
Backend Architect & Software Consultant
Pods365 (Kathmandu, Nepal)
Helped define architecture strategies for SaaS multi-tenant portals, bridging NetSuite ERP solutions and HubSpot marketing automation suites to core backend services.
03
Founder & Senior Software Engineer
Grow Tech Pvt. Ltd. (Kathmandu, Nepal)
Founded and scaled Grow Tech, designing secure RESTful APIs, multi-tenant architectures, and payment aggregations for Nepalese enterprise and agricultural SaaS platforms.
04
Software Engineer (Java Backend)
Info Developers Pvt. Ltd. (Kathmandu, Nepal)
Worked on secure government workflow platforms, digital certificate systems, and enterprise banking APIs.
./ENGAGEMENTS
Choose the level of support you need.
Clear scopes, senior-level execution, and no mystery around pricing or delivery.
01
Java Backend Development
High-performance enterprise architectures built on Java 17/21 and Spring Boot. We build robust, reliable, and secure foundations that can handle millions of requests without breaking.
FROM$60/hr2 - 8 Weeks
- Custom Spring Boot API and RESTful services
- Spring Security + OAuth2 / JWT configuration
- PostgreSQL / MySQL schema design & query optimization
- Clean, scalable, and highly documented codebase
MOST REQUESTED
02
Spring Boot Microservices & SaaS
Transitioning monolithic platforms to containerized microservice architectures. Includes service discovery, API Gateways, dynamic tenant routing, and event messaging.
FROM$3,5004 - 12 Weeks
- Dockerized microservice cluster configuration
- Event-driven architecture using Kafka or RabbitMQ
- Database-per-tenant SaaS multi-tenant logic
- Kubernetes profiles for automatic autoscaling
03
HubSpot & NetSuite Integrations
Streamlining business data by linking custom software with HubSpot CRM and NetSuite ERP. Build automated workflows, synchronization tunnels, and custom RESTlets.
FROM$2,0002 - 6 Weeks
- Custom NetSuite SuiteScript 2.x RESTlet pipelines
- HubSpot Custom App, Webhook, and CRM sync engines
- Error retry logs & background data sync buffers
- Automated lead and invoice creation flows
04
Technical Architect Consulting
Technical consulting on system design, database tuning, security audits (OWASP mitigations), and code refactoring to save infrastructure costs and prevent security breaches.
FROM$75/hrOn-Demand
- Detailed architectural design reviews & diagrams
- Database slow-query analysis and index restructuring
- OWASP security checks & penetration audit fixes
- Refactoring strategy for legacy Java software
Field Notes
From the Blog
Custom Software vs SaaS: What Should Your Business Choose?
Should your business build custom software or use SaaS? Learn how to compare cost, flexibility, integrations, scalability, and automation before making the right decision.
Read postPostgreSQL Query Optimization: How We Cut Response Times by 30%
A walkthrough of the exact indexing and query-plan changes that took a client's slow, timeout-prone PostgreSQL queries down by 30% during peak season.
Read postNetSuite to HubSpot: Building a Reliable ERP–CRM Integration
NetSuite and HubSpot were never designed to talk to each other. Here's the integration pattern I use to keep inventory, deals, and contacts in sync without silent data drift.
Read post./START A CONVERSATION
Have a complex backend problem?
Let's turn it into a system your team can trust. Share the context—I'll reply with the clearest next step within 12 hours.
Direct Lead Channels
Have a project in mind, an ERP integration challenge, or need technical consulting? Fill out the form or reach out directly.
CONSULTING SLA STATUS
Response Time: < 12 Hours | Timezone: GMT+5:45 (Nepal) / Available for EU & US overlapping hours.