Pay for what runs, scale to zero, skip the servers.
Serverless architecture runs your code in managed functions and services like Lambda, Cloud Functions, and managed queues and databases, so there are no servers to patch, scale, or pay for while idle.
It suits event-driven and spiky workloads, where you would otherwise pay for capacity that mostly sits unused. Fastnexa designs serverless systems that stay fast and observable, working around the real tradeoffs of cold starts, execution limits, and vendor lock-in instead of pretending they do not exist. We keep local development sane and costs predictable with the right guardrails. You get infrastructure that scales to zero when quiet and to thousands of concurrent runs when busy, billed by the millisecond. Right for teams that want to ship features rather than manage fleets.
Provisioning, patching, and paying for idle servers drains engineering time and budget. Fastnexa builds serverless applications that scale automatically, drop operational overhead, and bill only for what you use. We use Functions-as-a-Service (FaaS) platforms and event-driven architectures to deliver responsive, cost-effective systems, from simple API endpoints to complex data pipelines, so your developers spend their time on business logic instead of infrastructure.
With expertise in AWS Lambda, Google Cloud Functions, Azure Functions, and serverless frameworks, we build event-driven applications that respond to HTTP requests, database triggers, message queue events, and scheduled tasks. Our work covers RESTful and GraphQL APIs, stream processing pipelines, webhook handlers, and orchestration workflows using step functions. We apply cold start optimization, function composition, careful timeout and memory tuning, observability, and security hardening so workloads stay fast and reliable in production.
Event-Driven Architecture & Design Patterns
Function as a Service (FaaS) Development
Serverless API Gateway Integration
Automatic Scaling & Load Management
Serverless Microservices Architecture
Cost-Efficient Pay-Per-Use Computing
Real-Time Data Processing & Streaming
Serverless Database & Storage Solutions
AWS
Google Cloud
Python
Node.js
TypeScript
Go
AWS Lambda
Vercel
Netlify
GraphQL
MongoDB
PostgreSQL
Redis
Terraform
Airflow
Grafana
Datadog
We design and build serverless architectures that scale automatically, lower costs, and shorten time-to-market.
We analyze your application requirements and design event-driven serverless architectures for optimal performance and cost.
Evaluate application components for serverless suitability and identify optimal decomposition.
Design event-driven architecture using AWS Lambda, Azure Functions, or Google Cloud Functions.
Plan strategies to minimize cold starts using provisioned concurrency and warm-up techniques.
Detailed cost analysis comparing serverless vs traditional infrastructure for your workload.
Our cloud experts build serverless functions, APIs, and integrations with managed services for complete solutions.
Build optimized serverless functions with proper error handling, logging, and monitoring.
Configure API Gateway with authentication, throttling, and caching for public/private APIs.
Integrate with managed services: DynamoDB, S3, SQS, EventBridge, and third-party APIs.
Implement Infrastructure as Code with automated testing and deployment pipelines.
We continuously monitor and optimize serverless applications for performance, cost, and reliability.
Track execution times, memory usage, and error rates with CloudWatch and third-party tools.
Analyze and optimize function configurations, memory allocation, and execution patterns.
Fine-tune concurrency limits and reserved capacity for optimal performance and cost.
Implement IAM least privilege, VPC integration, and secrets management best practices.
Common questions about our services, processes, and technologies.
Architecture credentials held by the engineers who would design your environment.
AWS Certified Solutions Architect · Amazon Web Services
Designing resilient, cost-aware architectures on AWS, covering the trade-offs that decide a cloud bill.
Certificate numbers are personal to the holder, so we do not publish them. We will evidence any of these directly on a call.
Arguments from our cloud services practice.
More from Cloud Services.
Lift-and-shift and re-platforming to the cloud.
Containerized, cloud-native applications.
Cross-cloud architecture and portability.
Connecting on-prem and cloud.
Cloud cost reduction and governance.
Related reading:Fastnexa Blog
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Until 31 August we're covering the cost of a full vulnerability assessment and penetration test. Mention it in your message and we'll scope it with you.
Testing and the report are free. Fixing what we find is quoted separately, with no obligation to accept.
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