Ontario, Canada · Active
Available Q2
All Services/Backend Systems & High-Throughput APIs
BACKENDS & DISTRIBUTED SYSTEMS

Scalable backend engines, engineered for zero downtime.

Resilient Node.js, Python, and Go microservices built to handle thousands of concurrent requests. Sub-50ms P99 latency, connection-pooled PostgreSQL, and fault-tolerant event streaming.

99.99% Availability
Fault-Tolerant Clusters
Sub-50ms Latency
Optimized Database Pools
Senior Only
Direct Architect Access
Full Code Transfer
Zero Cloud Vendor Lock-In
OVERVIEW & ARCHITECTURE

When traffic spikes, brittle sync APIs collapse. Resilient backends stay upright.

Traditional monolithic backends choke on database locks, unindexed queries, and synchronous network cascades during market rushes or traffic surges. A single slow third-party dependency can bring down your entire user experience.

I architect decoupled, asynchronous backend topologies. Utilizing event-driven architectures with Amazon SQS FIFO queues, Redis memory caching, and robust database connection pooling, your system processes peak loads gracefully without race conditions or memory leaks.

Whether powering high-frequency crypto payout rails like TrySpeed or HIPAA-compliant healthcare data stores, your backend will deliver sub-50ms execution and 99.99% uptime availability.

<48ms
P99 Execution
Under Concurrent Load
99.99%
Uptime Availability
Zero-Downtime Blue/Green
10,000+
Throughput Capacity
Req/Sec Distributed
Event-Driven Distributed Microservices
PRODUCTION ACTIVE
01

API Gateway & Security Proxy

8ms
Kong / AWS API Gateway V2

Token bucket rate limiting, JWT verification, and DDoS mitigation.

02

Distributed Compute Cluster

25ms
Node.js / Express / Python FastAPI

Stateless microservice workers containerized with multi-stage Docker builds.

03

FIFO Event Streaming & Queues

<10ms
AWS SQS FIFO + Redis Pub/Sub

Guaranteed ordering, deduplication, and dead-letter queue resilience.

04

High-Concurrency Data Engine

12ms
PostgreSQL (Prisma / pgBouncer) + Redis

Read replicas, connection pooling, and multi-layered memory caching.

STATUS: ALL NODES SYNCHRONIZEDLATENCY: NOMINAL
CORE CAPABILITIES

What's included in backend systems engineering

Enterprise API design, database modeling, authentication protocols, and scalable microservices.

API DESIGN

REST & GraphQL API Engines

Strictly-typed endpoints with OpenAPI / Swagger documentation, rate limiting, and granular field resolvers.

  • OpenAPI 3.1 Specs
  • GraphQL Federation
  • Idempotent Mutations
Explore details
DATABASE

Relational & NoSQL Schema Design

Optimized PostgreSQL, MSSQL, and MongoDB schemas with automated migration scripts, indexing, and connection pooling.

  • PostgreSQL Row-Level Security
  • pgBouncer Pooling
  • B-Tree & GIN Indexing
Explore details
STREAMING

Event-Driven & Async Pipelines

Message queues with SQS, RabbitMQ, and Redis to decouple slow jobs, webhooks, and third-party integrations.

  • FIFO Guaranteed Delivery
  • Dead Letter Queues (DLQ)
  • Background Worker Clusters
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SECURITY

Zero-Trust Authentication & RBAC

Secure OAuth2, OpenID Connect, JWT rotation, session management, and fine-grained role-based permission matrices.

  • OAuth2 / OIDC
  • Refresh Token Rotation
  • AES-256 Vault Encryption
Explore details
REAL-TIME

Real-Time WebSockets & SSE

Bi-directional WebSocket servers for instant live updates, notifications, chat feeds, and operational telemetry.

  • Socket.io / WS Server
  • Server-Sent Events (SSE)
  • Presence Detection
Explore details
OBSERVABILITY

Audit Logging & Observability

Structured JSON logging with Winston, distributed request tracing (OpenTelemetry), and Prometheus health metrics.

  • Distributed Tracing
  • Audit Trail Compliance
  • Health & Readiness Probes
Explore details
SCOPE & DELIVERABLES

What we engineer for your backend

High-throughput transactional backends built to protect data integrity at any scale.

Zero data loss guarantees. Strictly idempotent transactions with automated dead-letter retries.
DELIVERY CADENCE

Build fast. Deploy it right. See how we deliver.

From database entity modeling to load-tested deployment in 6 weeks.

01
Domain Modeling & Schema Spec
Week 01
02
Core Service Implementation & Data Layer
Weeks 02-04
03
Load Testing, Security Audits & Caching
Week 05
04
Cloud Staging & Zero-Downtime Release
Week 06
Phase 01Week 01

Domain Modeling & Schema Spec

Design the relational database schemas, define API contracts with OpenAPI, and plan connection boundaries.

Key Deliverables
  • ›ERD Database Schema
  • ›OpenAPI / Swagger Contract
  • ›Security & Authentication Architecture
Phase 02Weeks 02-04

Core Service Implementation & Data Layer

Develop business logic controllers, database migrations, connection pooling, and message queue workers.

Key Deliverables
  • ›Dockerized Service Microservices
  • ›Automated DB Migration Scripts
  • ›Integration Test Suite
Phase 03Week 05

Load Testing, Security Audits & Caching

Simulate concurrent peak traffic with k6, tune slow queries with EXPLAIN ANALYZE, and harden against OWASP risks.

Key Deliverables
  • ›k6 Stress & Concurrency Test Report
  • ›Redis Multi-Tier Cache Layer
  • ›OWASP Top 10 Security Audit
Phase 04Week 06

Cloud Staging & Zero-Downtime Release

Provision AWS ECS / RDS instances via IaC, configure blue/green deployments, and set up Datadog / CloudWatch alerting.

Key Deliverables
  • ›AWS ECS / RDS Cloud Environment
  • ›Automated CI/CD Deployment Workflow
  • ›Monitoring Dashboard & Alerting Rules
THE COMPARISON

Why Jimish for Backend Systems?

Enterprise architectural rigor without bureaucratic enterprise slowdowns.

Evaluation Criteria
With Jimish (Direct Architect)
Traditional AgencyIn-House Hiring
Architectural Depth
Battle-tested experience in high-concurrency crypto & healthcare systems
Generic CRUD developers following basic tutorial templates
Deep domain knowledge, but slow to hire and initialize
Database Optimization
Custom indexing, connection pooling, and query plan profiling (EXPLAIN ANALYZE)
Relies on default ORM queries leading to N+1 performance bottlenecks
Often lacks dedicated DBA or performance tuning specialists
Concurrency Handling
SQS FIFO event streaming to eliminate race conditions and deadlocks
Synchronous blocking calls that crash under traffic spikes
Requires experienced distributed systems engineers
Security & Auditing
Built-in audit trails, AES-256 encryption, and HIPAA/SOC2 readiness
Basic password hashing with deferred compliance
Requires external third-party security audits
Uptime Commitment
Multi-AZ failover and automated health checks targeting 99.99% uptime
No contractual uptime or latency SLA
Internal team on-call burden
FEATURED PROOF

Built for teams with no room for error

Proven backend infrastructure handling mission-critical data flows.

https://tryspeed.app/production
COMPLETED
TrySpeed Platform Console
P99: <45ms
Throughput
50ms
Latency
99.99%
Uptime
10k/day
SYSTEM_LOADOPTIMAL
FinTech & Crypto

TrySpeed Platform

High-frequency crypto payout engine handling $2M+ daily volume.

50ms
Avg Latency
99.99%
Uptime
10k/day
Transactions
ReactNext.jsTypeScriptGraphQLAWS Lambda
https://lims.app/production
COMPLETED
LIMS Workstation Console
P99: <45ms
Throughput
+100%
Latency
0%
Uptime
500+
SYSTEM_LOADOPTIMAL
HealthTech

LIMS Workstation

Laboratory Information Management System for automated diagnostic workflows.

+100%
Efficiency
0%
Error Rate
500+
Daily Tests
ReactReduxNode.jsMongoDBWebpack
CORE PRINCIPLES

Engineering Principles & Deliverables

TRANSACTION SAFETY

Idempotency & Race Protection

All financial and mission-critical endpoints use idempotency keys and transactional locks to prevent duplicate executions.

  • Idempotency Key Middleware
  • ACID Transaction Isolation
  • Distributed Mutex Locks via Redis
HIGH THROUGHPUT

Sub-50ms Query Execution

Database queries are benchmarked with pgBouncer connection pooling and indexed composite keys for lightning-fast lookups.

  • pgBouncer Multi-Pool Scaling
  • Composite & Partial Indexing
  • Multi-Tier In-Memory Caching
ENTERPRISE GRADE

Defense in Depth Security

Every request is sanitized, validated, authenticated, and logged with strict role-based access controls.

  • Zod Input Sanitization
  • OWASP Compliant Headers
  • Immutable Audit Trail Logging
TECHNOLOGIES & FRAMEWORKS

Built with technologies you trust

Enterprise backend runtimes and databases chosen for stability and throughput.

Languages & Runtimes

Node.jsTypeScriptPythonGoExpress

Databases & Storage

PostgreSQLMongoDBRedisMSSQLPrisma

Messaging & Queues

AWS SQSRabbitMQKafkaWebSockets

DevOps & Cloud

DockerAWS ECSAWS LambdaGitHub Actions
FAQ

Common Questions.

Everything you need to know about partnering for Backend Systems & High-Throughput APIs. Have a unique technical challenge? Let's discuss it directly.

I enforce strict idempotency keys on all mutating endpoints. When a request arrives, the idempotency token is validated in Redis within an atomic transaction. If a duplicate request arrives during execution, it is rejected or returned the cached response, preventing double-billing.

READY TO LAUNCH?

Ready to build high-scale software for your business?

Let's discuss your product goals, timeline, and technical architecture. Direct senior engineer access from day one.