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Laravel CRM/ERP & Integrations Engineer

Unify Your Customer Ops and Back Office with a Custom CRM + ERP Stack.

Through custom CRM and ERP development, I design and build secure, integration-ready solutions that replace spreadsheets, eliminate duplicate data, and streamline end-to-end workflows—from lead to invoice.

  • Workflow-first delivery: Built around your processes, not generic templates.
  • API-first integrations: Connect your tools with clean, documented services.
  • Production-grade engineering: Security, performance, and maintainability by design.
  • Response within 24 hours
  • Clear scope & timeline
  • Documentation included
Freelance Full Stack Laravel Developer Tuğrul Yıldırım

Workflow-first delivery

Built around your process, not templates.

API-first integrations

Clean services, stable contracts, logs.

Security-by-design

Roles, permissions, auditability.

Performance-minded

Fast screens, scalable architecture.

Documentation included

Handover that your team can own.

Response within 24 hours Clear scope & timeline Long-term support option

CRM, ERP & Custom API Services

I provide custom CRM (customer relationship management) and ERP (Enterprise Resource Planning) development with API-first integrations—so your teams operate on a single source of truth, with measurable, repeatable workflows.

Custom API

Make every system talk—securely, reliably, and at scale.

Build stable REST services and integrations for your CRM/ERP and third-party tools with robust validation, structured logging, and versioned contracts.

  • API governance: auth, rate limits, error standards
  • Observability: logs, traces, and actionable alerts
Explore API integration
ERP

Run finance, inventory, procurement, and operations on one reliable backbone.

A workflow-aligned ERP that improves traceability, reduces manual handoffs, and supports audit-ready operations— without forcing you into rigid, generic modules.

  • Single source of truth for orders, stock, and finance
  • Role-based access, approvals, and change history
Explore ERP delivery
CRM

Turn leads into predictable revenue with a CRM tailored to your pipeline.

Centralize customer history, automate follow-ups, and drive consistent sales execution with practical reporting— designed for enterprise workflow automation.

  • Pipeline stages, SLAs, tasks, and follow-up automation
  • Unified communication + deal context for every stakeholder
Explore CRM build

What You’ll Improve in 30–90 Days

The goal isn’t “new software.” The goal is operational clarity: fewer manual steps, fewer errors, and a system your team can trust—across sales, operations, and finance.

  • Single source of truth

    Eliminate duplicate data across tools, teams, and spreadsheets.

  • Faster quote-to-cash

    Shorten the path from lead → offer → order → invoice.

  • Less manual work, fewer mistakes

    Automate handoffs, validations, approvals, and routine tasks.

  • Audit-ready traceability

    Track who changed what, when, and why—across critical flows.

Delivery Package

A system your team can own—without vendor lock-in chaos.

You’ll get a maintainable foundation: clear architecture, documented APIs, and a rollout plan aligned to your business.

Requirements & scope: measurable outcomes, acceptance criteria, timeline

Architecture & integrations: API-first approach, secure REST endpoints

Delivery & QA: staged releases, test coverage focus, performance checks

Documentation: API docs, onboarding notes, handover checklist

Support options: short-term stabilization or long-term partnership

Not sure where to start?

Request a free architecture review and get a practical roadmap for your CRM/ERP and integrations.

Typical response time: within 24 hours • Clear scope & timeline • Documentation included

Use Cases Built for Real Operations

Not “generic software.” These are workflow-first builds for teams replacing spreadsheets with workflow automation software and needing reliable CRM ERP integration across sales, ops, and finance.

Manufacturing

From orders to production—without blind spots.

Track quote → order → BOM/stock → production → delivery → invoice with audit-ready traceability.

  • Role-based approvals & change history
  • Inventory accuracy + procurement triggers
  • Work orders & KPI reporting
Get a Manufacturing ERP Blueprint
Wholesale & Distribution

Faster quote-to-cash with clean stock control.

Pricing rules, margin visibility, stock movements, and invoicing—unified in one operational backbone.

  • Multi-warehouse stock + reorder points
  • Customer-specific pricing & discounts
  • Shipment tracking & invoice automation
Request a Distribution Workflow Map
B2B Sales Ops

A CRM tailored to your pipeline—not bloated features.

Standardize sales execution with pipeline SLAs, follow-up automation, and full customer context.

  • Pipeline stages, tasks, and SLA reminders
  • Unified comms & deal history
  • Sales reporting your team actually uses
Get a CRM Pipeline Audit

Case Study Teaser

Replacing spreadsheets with a single source of truth—without operational downtime.

Typical engagement: discovery → workflow mapping → API contracts → staged delivery. Built to reduce risk and accelerate ERP implementation with measurable outcomes.

Outcome

Fewer manual handoffs

Approvals + validations automated.

Outcome

Cleaner data

Duplicate records eliminated.

Outcome

Audit-ready traceability

Who/what/when/why tracked.

NDA available • Code ownership • Weekly progress updates • Documentation included

How Delivery Stays Predictable

Clear checkpoints, transparent scope, and integration-ready specs.

  1. 1

    Discovery & scope

    KPIs, acceptance criteria, timeline.

  2. 2

    Architecture & API contracts

    Versioned endpoints, auth, logging.

  3. 3

    Staged delivery

    Early value, safe rollout, QA gates.

Want a quick estimate?

Share your current tools and workflows.

Get a Quote

Tech Stack (Built for Maintainability)

Production-grade engineering with clean APIs, secure auth, and performance-minded architecture.

Laravel PHP REST APIs PostgreSQL / MySQL Redis (optional) Queue Jobs RBAC Audit Logs OpenAPI-ready docs

Stack badges are indicative; final architecture aligns to your constraints (security, scale, integrations).

Trust & Delivery Guarantees

Risk-reduction built into the engagement model—so delivery remains predictable.

NDA available

Confidentiality by default.

Code ownership

No vendor lock-in.

Weekly updates

Transparent delivery cadence.

Documentation included

APIs + onboarding notes.

Response within 24 hours Clear scope & timeline Support options available

FAQ: Custom CRM/ERP Delivery, Pricing, and Risk

Quick answers to the most common questions buyers ask before choosing a partner for custom CRM development, ERP software development, and API integration services.

We define measurable outcomes, acceptance criteria, and a staged rollout plan before implementation. Each phase ships with QA gates and documentation, so you get controlled progress without surprises.

  • Requirements → acceptance criteria → timeline
  • Change requests logged and priced transparently
  • Weekly updates and milestone sign-offs

Free Resource

CRM/ERP Discovery Checklist (PDF)

A practical checklist to scope a custom CRM/ERP build: workflows, integrations, data, roles, KPIs, and rollout—so your project starts with clarity.

  • Workflow mapping & bottleneck identification
  • Integration inventory + API requirements
  • Security model (RBAC), approvals, audit logging
  • KPIs for quote-to-cash and operational efficiency

No spam. One practical resource + optional follow-up if you request it.

Next Step

Get a clear roadmap in 24 hours.

Share your current tools and pain points. I’ll respond with a practical plan: scope, priorities, and an integration approach.

NDA available Code ownership Documentation included

Engagement Options That Keep Delivery Predictable

Choose the engagement model that fits your stage—validation, foundation, or enterprise rollout. Every option is workflow-first, API-first, and documented for long-term ownership.

Sprint Best for: quick clarity

Integration & Architecture Review

Ideal when you need a clear roadmap fast: workflows, integrations, risks, and a phased plan for CRM/ERP.

  • System audit: tools, data flows, bottlenecks
  • API integration plan + contract strategy
  • Scope, milestones, and delivery timeline
  • Security notes: RBAC, audit logs, approvals

Output: a written roadmap you can execute—internally or with a partner.

Most Popular Best for: building core

Custom CRM/ERP Foundation Build

Build the backbone: quote-to-cash, inventory, core dashboards, and API-first integrations—aligned to your real workflow.

  • Workflow mapping → data model → implementation
  • RBAC, approvals, audit-ready traceability
  • API-first integration layer + logging/alerts
  • Documentation + handover checklist included
Code ownership Documentation Staged rollout
Enterprise Best for: scaling ops

Enterprise Rollout & Optimization

For multi-team operations: advanced permissions, reporting, integration hardening, performance tuning, and governance.

  • Migration strategy + data quality controls
  • Observability: logs, traces, alerts, SLOs
  • Performance & scalability improvements
  • Long-term stabilization & support option

NDA available. Procurement-friendly documentation and delivery governance.

Typical response: within 24 hours Clear scope & timeline Documentation included Code ownership

How Delivery Works (End-to-End)

A pragmatic process designed for speed and control: each phase has clear outputs, so stakeholders stay aligned and risk stays low.

  1. 1) Discovery & Workflow Mapping

    Identify bottlenecks, map workflows, define KPIs (quote-to-cash, fulfillment, finance ops), and outline integration needs.

    Output: workflow map + pain points + KPI list

  2. 2) Scope, Architecture & Data Model

    Define modules, permissions (RBAC), audit needs, API contracts, and a phased delivery plan that avoids big-bang risk.

    Output: scope + milestones + architecture notes

  3. 3) Build, Integrate, Validate

    Implement workflows, dashboards, and integrations with robust validation, logging, and error standards.

    Output: working increments + integration layer

  4. 4) QA, UAT & Acceptance

    Test critical flows, performance checkpoints, user acceptance criteria, and release readiness.

    Output: release checklist + acceptance sign-off

  5. 5) Rollout & Training

    Staged deployment, onboarding notes, and a handover package so your team can operate the system confidently.

    Output: documentation + onboarding + handover

  6. 6) Stabilization & Continuous Improvement

    Monitor, optimize, and iterate. Improve speed, reporting accuracy, and operational discipline with measurable outcomes.

    Output: stabilization plan + prioritized improvements

Want a roadmap tailored to your stack?

Send your current tools + pain points. I’ll reply with priorities, scope, and an API integration plan.

Typical response time: within 24 hours • Clear scope & timeline • Documentation included

Ready to unify CRM + ERP workflows?

Get a practical plan in 24 hours—scope, timeline, and integration strategy.

Built for Operational Teams That Need Clarity, Control, and Scale

The goal is measurable improvement: fewer manual steps, higher data reliability, and a workflow your team can own. Below are typical outcomes delivered through custom CRM/ERP builds and API-first integrations.

Workflow-first delivery API-first integrations Security-by-design (RBAC + audit logs) Documentation included

Trusted patterns across industries (placeholders)

Manufacturing
Wholesale
Logistics
Services
Multi-branch Ops
E-commerce

KPI Improvements You Can Expect

These are common wins when teams replace spreadsheets, unify data flows, and standardize quote-to-cash operations. Use as benchmarks; your roadmap will prioritize the highest-impact KPI first.

Quote-to-Cash

Shorter cycle time

Reduce the friction between lead → offer → order → invoice with consistent workflow automation.

Before

Manual handoffs, scattered customer data, inconsistent pricing steps.

After

Standard pipeline stages, approvals, automated tasks, reliable reporting.

  • Pipeline + SLAs + follow-up automation
  • Pricing rules + approval gates

Data Reliability

Single source of truth

Eliminate duplicate records and conflicting spreadsheets with integrated entities and audit-ready change tracking.

Before

Multiple files, duplicated customers, unclear ownership of changes.

After

Unified entities, validated inputs, audit logs, and clear permissions.

  • RBAC + approvals + audit logs
  • Integration contracts + structured logging

Operations

Less manual work

Reduce routine tasks with validations, automation, and role-based workflows across inventory, procurement, and finance.

Before

Manual checks, missing traceability, reactive firefighting.

After

Predictable workflows, controlled approvals, and visibility across teams.

  • Procurement + inventory alignment
  • Change history + audit-ready traceability

Mini Case Studies (Patterns You Can Reuse)

These are real-world delivery patterns. You can replace the text later with your actual project references while keeping the structure SEO-friendly.

Manufacturing / Multi-step ops

From spreadsheets to traceable operations

Unified customers, orders, inventory, and approvals into one ERP backbone with audit logs and role-based controls.

  • Problem: duplicate stock numbers, manual approvals
  • Solution: RBAC + approvals + change history
  • Impact: faster handoffs, fewer errors
ERP development workflow automation audit logs

Sales / CRM discipline

Predictable sales pipeline with CRM automation

Standardized pipeline stages, tasks, SLAs, and reporting—so leadership sees real forecasts and reps follow the same playbook.

  • Problem: scattered notes, inconsistent follow-ups
  • Solution: tasks + SLA gates + deal context
  • Impact: better conversion consistency
custom CRM sales automation reporting

Integrations / API-first

Reliable integrations across tools and partners

Built versioned API contracts, structured logging, and robust validation—reducing breakage and enabling faster iteration.

  • Problem: fragile integrations, silent failures
  • Solution: versioned APIs + observability
  • Impact: fewer incidents, clearer ownership
custom API REST services observability

Want the same outcomes—tailored to your workflows?

Share your current stack (spreadsheets, ERP, CRM, accounting, marketplaces, shipping, etc.) and your bottlenecks. I’ll respond with a prioritized plan and a delivery approach that fits your operational reality.

Clear scope & timeline API documentation included Code ownership

Latest Articles

Practical notes on CRM/ERP delivery, API design, and integration reliability.

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Quote-to-Cash CRM Blueprint for Manufacturing & Wholesale
Blog

Quote-to-Cash CRM Blueprint for Manufacturing & Wholesale

Quote-to-Cash for Manufacturing & Wholesale: A Practical CRM Blueprint (Data, Workflows, Integrations)

Build a manufacturing & wholesale CRM that speeds up quoting, approvals, and order handoffs. Learn the data model, workflow automation, and CRM–ERP integration...

By Tuğrul Yıldırım

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