DevCore Network
Münster, DE Web Development Accepting Q3 Projects

We engineer clean, maintainable web apps with secure data pipelines and lightning-fast responses.

DevCoreNetwork builds production-grade web applications for teams that care about maintainable architecture, reliable third-party integrations, and server responses measured in milliseconds — not seconds.

<80ms

p95 server response

99.95%

uptime target

100%

type-safe pipelines

<2h

first reply SLA

// Service Catalog

Engineering services, priced upfront

Every engagement ships with a fixed scope, a clear turnaround, and a maintainable codebase you actually own.

Inquire
Frontend React Core Web Vitals

Single-Page Application Build

A production React SPA with route-level code splitting, typed API clients, and accessibility baked in — so your product team ships features without fighting the framework.

  • ✓ Component library with Storybook coverage
  • ✓ CI pipeline with lint, type, and unit gates
  • ✓ Lighthouse performance score ≥ 90

$2,400

3–4 weeks

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Backend FastAPI Sub-80ms

REST & GraphQL API Platform

Versioned, documented APIs with OpenAPI specs, pagination conventions, and rate limiting — designed so third-party integrators onboard in an afternoon, not a sprint.

  • ✓ OpenAPI 3.1 schema + generated SDKs
  • ✓ JWT auth with refresh-token rotation
  • ✓ Load-tested to 2k concurrent requests

$3,200

4–5 weeks

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Data Postgres Encrypted

Secure Data Pipeline Engineering

ETL and event-driven pipelines with encryption in transit and at rest, idempotent writes, and audit logging — so finance and compliance stop chasing spreadsheet exports.

  • ✓ Schema migrations with zero-downtime deploys
  • ✓ Dead-letter queues & replay tooling
  • ✓ GDPR-aligned retention & deletion jobs

$3,800

4–6 weeks

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Integration Webhooks Retries

Third-Party Integration Layer

Reliable connectors for Stripe, CRM, ERP, and email providers with signed webhooks, exponential backoff, and reconciliation jobs that keep every system speaking the same truth.

  • ✓ HMAC webhook verification & replay
  • ✓ Circuit breakers on flaky providers
  • ✓ Dashboards for delivery & failure rates

$1,600

2–3 weeks

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Performance Caching Redis

Server Response Optimization

Profiling, query tuning, and multi-layer caching that cut p95 latency — turning sluggish dashboards into interfaces that feel instant under real production load.

  • ✓ N+1 query & slow-query eradication
  • ✓ Redis/CDN cache strategy with invalidation
  • ✓ Before/after latency report you can share

$1,200

10–14 days

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CMS Headless Editorial

Headless CMS Implementation

A structured content model in Sanity or Payload with preview workflows — marketing publishes pages independently while engineers keep the deploy pipeline untouched.

  • ✓ Typed content schemas & validation
  • ✓ Live preview & role-based editing
  • ✓ ISR / on-demand revalidation

$1,900

2–3 weeks

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Security Audit OWASP

Application Security Hardening

A focused OWASP Top 10 audit with dependency scanning, secrets management, and hardened auth flows — delivered with a prioritized fix list your team can execute immediately.

  • ✓ SAST/DAST scan with triaged findings
  • ✓ Session, CSRF, and input-surgery review
  • ✓ Hardened CI secret-scanning gates

$990

7–10 days

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DevOps CI/CD Zero-downtime

CI/CD & Cloud Deployment Setup

Containerized deploys with GitHub Actions pipelines, blue-green releases, and one-click rollbacks — so shipping on Friday stops being a company-wide incident.

  • ✓ Docker multi-stage builds & registries
  • ✓ Staging parity with production secrets
  • ✓ Health checks & automated rollback

$1,450

10–12 days

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Commerce Stripe PCI-aware

E-Commerce Checkout Engineering

A conversion-focused checkout with Stripe sessions, tax handling, and inventory sync — reducing cart abandonment with fewer steps and rock-solid error recovery.

  • ✓ Stripe Checkout & customer portal
  • ✓ Idempotent order & refund webhooks
  • ✓ Abandoned-cart recovery hooks

$2,750

3–4 weeks

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Maintenance SLA 24/7 monitor

Managed Maintenance & SLA Retainer

Ongoing dependency updates, uptime monitoring, and a guaranteed response window — a steady engineering partner without the cost of a full-time hire.

  • ✓ Weekly patch & dependency cadence
  • ✓ 24/7 uptime alerts to our on-call
  • ✓ 8 dev-hours included each month

$490/mo

Rolling monthly

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Architecture Refactor Tech-debt

Legacy Codebase Modernization

Incremental strangler-fig refactors that replace brittle modules with tested, maintainable code — shipping value continuously instead of gambling on a big-bang rewrite.

  • ✓ Characterization tests before touching code
  • ✓ Module-by-module migration plan
  • ✓ Coverage report & architecture decision records

$3,600

4–6 weeks

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Observability Logging Alerting

Observability & Error Tracking Rollout

Structured logging, distributed traces, and smart alerting wired end-to-end — so the next outage pages the right engineer with the failing request already in hand.

  • ✓ Sentry + OpenTelemetry instrumentation
  • ✓ SLI/SLO dashboards & error budgets
  • ✓ On-call runbook & escalation policy

$1,100

8–12 days

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Not sure which service fits? Send the brief — we scope it for free.