Hire Fastify developer

Hire Fastify developer—pre-vetted experts in 48h.

Unique Selling Point: 98% first-sprint code acceptance. Average hiring time from brief to kickoff: 2.3 days.

Start in 24-48 h
Senior-only, 4-step vetting
Flexible monthly contracts

Hire the best

Why outstaff instead of hiring directly? Outstaffing a Fastify specialist through smartbrain.io gives you instant access to an elite talent pool without the permanent overhead. You pay only for the hours you need, keep full IP ownership, and avoid recruitment fees, payroll taxes, and costly churn.

Our developers remain on your Slack, your sprints, your codebase while we handle HR, hardware, and continuous up-skilling. When the workload dips, scale down with a week’s notice; when investors demand new features, scale up in days—no renegotiation. That agility translates into faster release cycles, predictable burn rate, and zero HR headaches.

Key Advantages

Launch in 48 h

Zero recruitment fees

Elastic team size

Enterprise IP security

Timezone overlap

Pre-vetted seniors

Low attrition risk

Transparent pricing

Dedicated PM option

Cancel anytime

No payroll hassle

Trial before hire

Reviews

“smartbrain.io handed us a Fastify squad in 36 hours, plugging straight into our mortgage-processing micro-services. The pre-vetted team improved endpoint response time by 28 % in the first sprint and lifted backlog throughput by one story a day. Onboarding was Slack-simple — HR load vanished.”

Laura Brennan

VP Engineering

FirstHome Lending LLC

“We needed real-time analytics for our adtech platform. The Fastify augmentation crew from smartbrain.io integrated with our existing GraphQL stack, cut average latency to sub-40 ms, and freed my core devs to focus on ML models. Hiring took under 2 days — unheard-of speed.”

Marcus Shaw

CTO

SparkReach Media

“HIPAA compliance scared most vendors. smartbrain.io delivered Fastify experts who hardened our healthcare APIs, added JWT auth, and sailed through the audit. Productivity jumped 35 % while my team avoided overtime. Seamless time-zone overlap with EST was a bonus.”

Evelyn Cooper

Director of Engineering

WellPath Digital Health

“Our IoT fleet manager needed MQTT over Fastify, but recruiting Node veterans in Kansas City was near impossible. smartbrain.io staffed two seniors remotely, trimmed feature lead time by 42 %, and my HR budget stayed intact.”

Daniel Price

Software Development Manager

FleetWave Solutions

“Seasonal traffic spikes crash-tested our e-commerce APIs. With smartbrain.io’s Fastify contractors, we refactored routes, added caching, and saw 99.98 % uptime through Black Friday. Contracts stayed month-to-month, giving us perfect cost control.”

Monica Ruiz

Head of Platform

StyleCart Inc.

“Government bidding portals demand bulletproof security. smartbrain.io’s Fastify consultants implemented helmet, rate-limiting, and CSRF protection, passing penetration tests at first try. Delivery cadence accelerated without adding permanent staff.”

Trevor Adams

Security Engineering Lead

CivicBid Systems

Industries

FinTech / Payments

Fastify outstaffing dominates FinTech where sub-100 ms latency and airtight compliance are non-negotiable. Augmented developers build PCI-DSS-ready payment gateways, real-time fraud detection micro-services, and high-frequency trading APIs. Hiring through smartbrain.io means vetted talent versed in KYC, encryption, and audit logging without permanent head-count inflation.

eCommerce & Retail

High-traffic carts, flash-sale events, and omnichannel inventory sync make Hire Fastify developer services a go-to for retailers. Outstaffed teams optimize checkout flows, integrate headless CMS, and implement edge caching to keep conversion rates climbing during peak seasons while OPEX stays variable.

HealthTech

HIPAA and HL7 compliance demand meticulous back-end work. Fastify outstaffing delivers senior engineers who create secure patient portals, real-time tele-med sockets, and encrypted data pipelines, all under strict audit trails.

AdTech & MarTech

Programmatic bidding requires micro-second decisions. Our augmented Fastify developers stitch Kafka streams, build click-stream collectors, and fine-tune memory footprints so your CPM revenue never stalls.

IoT & Automotive

Outstaffed Fastify specialists construct telemetry ingest gateways and OTA update services, handling millions of MQTT messages securely, essential for connected vehicles and smart devices.

Logistics / Supply-Chain

Route optimization and live tracking APIs rely on lightweight Node frameworks. Fastify contractors design resilient REST & GraphQL endpoints with geospatial queries and WebSocket status feeds that keep freight moving.

Media Streaming

OTT platforms use Fastify to orchestrate segment packaging and DRM token issuance. Outstaffing ensures bandwidth-savvy engineers scale clusters on-demand without CapEx spikes.

EdTech

Interactive classrooms and exam proctoring call for real-time messaging. Augmented Fastify teams integrate WebRTC signaling, safeguarding PII and meeting COPPA standards while speeding up feature rollouts.

GovTech

Public-sector portals require ADA compliance, security, and budget transparency. Hire Fastify developer outstaffing gives agencies certified engineers who deliver all three within tight procurement cycles.

Case Studies

Client: Series-B FinTech processing $4 B annually.

Challenge: Need to Hire Fastify developer fast to replace legacy Express stack that was capping TPS at 300.

Solution: smartbrain.io deployed three senior Fastify engineers and one QA within 48 hours. They migrated 27 routes to Fastify, implemented schema-based validation, and introduced load-test pipelines while collaborating in the client’s Jira and Stand-ups.

Result: 62 % lower average latency, 4× throughput, and PCI re-certification completed two weeks early, enabling the firm to onboard two new banks ahead of schedule.

Client: US tele-medicine scale-up serving 1 M patients.

Challenge: Rapid feature backlog and HIPAA audit created urgent demand to Hire Fastify developer with security focus.

Solution: Within 36 hours, smartbrain.io augmented the team with a security-oriented Fastify architect and two mid-level developers. They implemented TLS pinning, JWT rotation, and encrypted audit logs while refactoring 60 % of endpoints.

Result: Audit passed with zero findings; release cadence improved by 33 %; support tickets on auth dropped 71 %.

Client: Logistics SaaS monitoring 120 k trucks.

Challenge: CTO had to Hire Fastify developer specialists capable of ingesting 25 k GPS pings/sec without downtime.

Solution: smartbrain.io supplied an augmented pod: Fastify lead, DevOps, and QA. They introduced streaming parsers, Redis pub/sub, and horizontal auto-scaling on Kubernetes.

Result: Message processing capacity rose by 5×; API uptime sustained at 99.99 %; annual hosting cost fell 18 % due to better CPU utilization.

Book a 15-Minute Discovery Call

120+ Fastify engineers placed, 4.9/5 avg rating. Get your perfect match in 48 h and keep full control while we handle payroll, retention, and continuous up-skilling.

Join us

Skill Sets

API Architecture

Designing high-throughput APIs with schema validation, rate limiting, and graceful error handling. Outstaffed Fastify experts craft REST, GraphQL, and gRPC interfaces that stay performant at scale, allowing you to roll out new endpoints without touching legacy code. Business win: faster feature velocity and reduced tech debt.

Real-Time Communication

Socket.io, WebRTC, and MQTT pipelines for chat, IoT, and live dashboards. Augmented developers integrate Fastify-compatible adapters, delivering sub-second messaging without over-provisioning infrastructure.

Cloud & DevOps

Kubernetes, AWS, GCP, and Azure deployment scripts with zero-downtime rollouts. Outstaffing shifts CI/CD maintenance off your team, guaranteeing reliable, repeatable production pushes.

Security & Compliance

OWASP hardening, JWT/OAuth flows, GDPR, HIPAA, PCI-DSS alignment. Outstaffed Fastify professionals embed security from sprint one, slashing audit preparation time.

Performance Optimization

Event-loop profiling, memory leak detection, and load-test automation deliver double-digit latency cuts. Business impact: higher SEO scores and happier users.

Legacy Migration

Phased upgrades from Express or Hapi to Fastify with blue-green deployments, ensuring zero revenue loss while modernizing your stack.

FAQ

What is the real cost to hire Fastify developers via smartbrain.io?

The total cost is a transparent hourly or monthly rate that already includes payroll taxes, benefits, hardware, and ongoing training. Because you outstaff instead of hiring in-house, you avoid recruitment agency fees, signing bonuses, and the 20-30 % burden of full-time employment. Clients report saving up to 45 % versus local hiring while still getting senior Fastify talent.

How does smartbrain.io protect my intellectual property?

Every Hire Fastify developer engagement starts with a mutual NDA and individual IP assignment agreement. Source code lives in your repositories; access is revoked automatically at contract end. We enforce SOC 2-compliant device management and maintain audit logs to guarantee data sovereignty.

Will the Fastify developer work in my time zone?

Yes. We curate talent across the globe but match you only with engineers who guarantee a minimum 4-hour overlap with your core business hours, ensuring daily stand-ups, code reviews, and ad-hoc calls happen without delay.

What contract terms does smartbrain.io offer for Fastify outstaffing?

Engagements start at one month with no long-term lock-ins. Scale up or down with seven days’ notice. Payment is monthly in arrears, giving you full budget predictability.

How are Fastify candidates vetted before they reach me?

Each developer passes a 4-stage process: English & communication screening, deep Fastify coding challenge, live system-design interview, and soft-skill assessment. Only the top 2 % enter our client pool, so you meet pre-qualified professionals, not applicants.

What if a developer doesn't meet expectations after I hire?

smartbrain.io offers a replacement guarantee. If performance issues arise in the first month, we replace the developer at no extra cost and cover knowledge transfer time, minimizing disruption to your sprint plan.

How fast can a Fastify developer start on my project?

Typical kickoff is within 24–48 hours after we finalize your requirements. Urgent requests often start same day, thanks to our always-on talent bench.

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