Open to backend-focused roles

I build backend systems that stay fast under load.

Backend Engineer with 4+ years of experience designing and operating scalable backend systems for SaaS and eCommerce platforms. I specialise in Golang, Node.js, event-driven microservices, Kafka, AWS, databases and production observability — delivering measurable gains in cloud cost, throughput, latency and reliability through system design, performance optimisation and hands-on ownership in production.

View Projects Download Resume Get in Touch

Currently Software Engineer at Bharti Airtel, building i360
Focus Distributed systems, event-driven architecture, observability, cloud cost
Based in Gurugram, Haryana, India

consumer.go Go

// i360 — device lifecycle events
func (s *Service) Consume(ctx context.Context) error {
    for msg := range s.kafka.Messages(ctx) {
        ev, err := decode(msg.Value)
        if err != nil {
            s.metrics.Inc("decode_error")
            continue
        }
        if err := s.store.Apply(ctx, ev); err != nil {
            return fmt.Errorf("apply %s: %w", ev.ID, err)
        }
    }
    return nil
}

0+ Years building production backends

0× Faster API responses after sqlc migration

0% Cut in report wait time via event-driven queue

0% Lower cloud cost across Lambda & SQS workflows

0M+ Employees served on multi-tenant HRMS

0+ Enterprise clients on shared infrastructure

01 — Toolkit

Technical skills

The stack I reach for when a system has to be fast, observable and cheap to run.

Languages & core engineering

Strongly typed backend work, concurrency and system design fundamentals.

GolangNode.jsTypeScript JavaScriptRustDSA OOPSystem DesignConcurrency

Databases & ORM

Schema design, query performance, caching strategies and type-safe data access.

PostgreSQLMySQLMongoDB ClickHouseRedissqlc SequelizePrismaMongoose Caching

APIs & architecture

Service boundaries, contract design and multi-tenant distributed systems.

MicroservicesRESTgRPC GraphQLWebSocketMulti-tenant API DesignDistributed Systems

DevOps & infrastructure

Containerised delivery, infrastructure as code and repeatable CI/CD pipelines.

DockerKubernetesTerraform HCLNginxLinux GitGitHub ActionsCI/CD BSR

Cloud platforms

Serverless and managed services, tuned for cost as well as throughput.

AWSGCPLambda SQSServerlessCost Optimization

Messaging & event-driven systems

Asynchronous pipelines that decouple services and survive peak load.

Apache KafkaRabbitMQAWS SQS Redis Pub/SubAsync Processing Event-Driven Architecture

Observability & monitoring

Metrics, traces and logs wired into alerting and latency-percentile dashboards.

OpenTelemetryPrometheusGrafana SigNozLokiTempo AlertingDashboards

Engineering & AI

Testing, review discipline and LLM-assisted development workflows.

Unit TestingCode Review Prompt EngineeringLLM API Integration AI-Assisted Workflows

Security

Encryption, authentication and data-integrity controls in transit and at rest.

JWTAES-256RSA TLSHashingRate Limiting Data Integrity

02 — Track record

Experience

Four companies, one throughline: measurable improvements in production.

Software Engineer · Bharti Airtel

Gurugram, Haryana, India

May 2026 — Present

Building features for i360, Airtel's Golang inventory platform tracking the lifecycle state of India-wide hardware such as IPTV boxes and routers.
- Migrated APIs from Hasura GraphQL to native PostgreSQL with sqlc, improving response time by 3x and adding end-to-end type safety.
- Replaced interval-based cron jobs with an event-driven Redis queue, processing data on trigger and cutting report wait time by 90%.
Software Engineer · GoKwik

Gurugram, Haryana, India

Jul 2025 — Apr 2026

Shipped KwikChat backend services using Golang, Node.js and AWS on an event-driven microservice architecture.
- Built a Kafka-based campaign service for event processing, reducing message failures and improving delivery stability during peak loads.
- Optimised AWS Lambda and SQS workflows, reducing cloud costs by 23% while simplifying processing logic across interconnected microservices.
- Implemented SigNoz metrics, distributed tracing and alerting, instrumenting API latency, DB query time and P50/P90/P99 percentiles.
Software Engineer · CIMET

Jaipur, Rajasthan, India

Jan 2025 — Jun 2025

Enhanced CIMET's Australian SaaS comparison platform by delivering features that streamlined procurement, quoting and sales workflows.
- Launched a Golang microservice with Kafka for real-time sales lead processing, increasing lead throughput by 30%.
- Designed asynchronous Kafka workflows that decoupled services, improved data-pipeline reliability and increased overall system responsiveness.
- Exposed GraphQL APIs backed by Elasticsearch, improving query performance for real-time analytics, discovery and search-heavy workflows.
Senior Associate Technology · Flexiele

Gurugram, Haryana, India

Mar 2022 — Jan 2025

Promoted from Technology Associate to Senior Associate Technology in April 2024 for performance, ownership and team leadership.
- Built and scaled a multi-tenant SaaS HRMS platform serving 50+ enterprise clients and over one million employees on shared infrastructure.
- Developed a Golang notification service with RabbitMQ for HRMS workflows, reducing delivery latency and improving message delivery by 25%.
- Optimised Node.js startup and dependency-loading with concurrent asynchronous processing, reducing application startup time by 13%.
- Automated approval workflows processing 300K+ monthly requests, reducing turnaround time by 60% and improving efficiency by 40%.
- Designed and maintained REST APIs supporting 120+ business operations, adding reusable middleware and improving processing speed by 20%.

03 — Built for fun

Personal projects

Self-hosted systems where I own every layer, from binary size to TLS.

Setu

Jun 2026 — Present

GoSvelteKitIoTSingle BinarySelf-hosted

A self-hosted IoT controller shipped as a single static Go binary with an embedded SvelteKit UI, running fully offline.

Bounded automation engine with time- and device-based triggers, action validation and webhook support for external systems.
Runtime tuned to operate within 128 MB RAM and consume only 5–10 MB on low-resource hardware such as routers and Raspberry Pi.
MAC-address-based device identity with discovery, scan support, room grouping and device-level scene control.

GitHub

Cipher Road

Jul 2024 — Present

BunElysiaTypeScriptWebSocketRSAAES-256NginxDocker

A self-hosted, end-to-end encrypted real-time chat platform that keeps message content encrypted across all network intermediaries.

Backend built on Bun with Elysia and TypeScript for efficient request handling, type-safe services and self-hosted deployment.
RSA-based key exchange with per-session AES-256 encryption and JWT authentication to preserve confidentiality and integrity.
WebSocket layer with Redis Pub/Sub fan-out, Nginx Unix-socket routing, rate limits, presence, typing indicators and attachments.
Automated multi-arch Docker builds and CI/CD pipelines via GitHub Actions Buildx for repeatable production deployments.

Website

04 — Background

Education & achievements

Education

Bachelor of Arts (BA) — Maharshi Dayanand University, Rohtak · October 2020
12th, PCM — Board of School Education Haryana, Rewari · May 2016

Achievements

Solved 150+ data structures and algorithms problems on LeetCode in timed contests, strengthening reasoning and implementation accuracy.

LeetCode profile

How I work

Provide technical leadership by mentoring junior engineers, reviewing designs and guiding teams toward reliable delivery.
Rapidly learn unfamiliar technologies and apply them to changing product requirements, production incidents and process improvement.
Collaborate with engineers, product teams and stakeholders, translating complex backend decisions for technical and non-technical audiences.

05 — Say hello

Let's build something reliable.

Have a role or project in mind? I'm currently open to backend-focused opportunities.

yadav.bhupender.rao@gmail.com