Backend Engineering

Systems built for
security and scale.

Devlopa builds backend systems that handle real load, real security requirements, and real business complexity, from day one.

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Capabilities

Backend engineering stack.

REST APIsGraphQL APIsMicroservices architectureDatabase design (PostgreSQL, MySQL, MongoDB)Authentication & authorization (JWT, OAuth2)Role-based access controlEvent queues (Redis, SQS)Webhooks & async processingPayment & subscription integrationObservability & loggingData pipelinesCloud functions (Lambda, Cloud Run)Secure integrationsAPI documentation (OpenAPI)

Representative case studies

Sample backend engagements.

B2B Software Company

Secure API Layer for SaaS Platform

The platform needed a secure, versioned API layer with authentication, rate limiting, audit logging, and role-based access for multiple client types.

Node.jsPostgreSQLJWTRate LimitingOpenAPI

SaaS Product Team

Payment & Subscription Backend

The client needed a billing backend with subscription management, plan changes, proration, webhook processing, and revenue reporting.

StripeNode.jsWebhooksPostgreSQLEvent Processing

Analytics Platform

Data Processing Pipeline

Large volumes of event data needed to be ingested, validated, enriched, aggregated, and made available via API with sub-second query latency.

Node.jsRedisPostgreSQLTimescaleDBETL

Need a backend you can trust?

We architect for the load you need next year, not just today, and document everything so your team owns the system.

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