Custom Development
Build without limits.
When out-of-the-box Salesforce isn't enough, our development team builds custom solutions that extend the platform to fit your exact needs. From complex Apex triggers and batch jobs to pixel-perfect Lightning Web Components — we write clean, tested, maintainable code that performs at scale.
Trusted by leading companies
Capabilities & Expertise
Lightning Web Components
Custom UI components built with modern web standards — fast, reusable, and mobile-ready.
Apex Development
Triggers, classes, batch jobs, and scheduled Apex built with best practices and full test coverage.
REST & SOAP APIs
Custom API endpoints for seamless integration with external systems and mobile apps.
Managed Packages
Modular, versioned packages for distributing custom functionality across orgs.
Testing & CI/CD
90%+ code coverage with automated test suites and continuous deployment pipelines.
Performance Optimization
Query optimization, caching strategies, and async patterns for sub-second load times.
Scope of Work
What You Receive
Every engagement includes these deliverables. Transparent scope, no hidden surprises — you know exactly what you're getting.
Detailed SOW
Full scope document before kickoff
How We Work
Requirements
Technical specification, API contracts, component hierarchy
Develop
Sprint-based development with code reviews and pair programming
Test
Unit tests, integration tests, and performance benchmarking
Deliver
Deployment automation, documentation, and knowledge transfer
Case Highlights
RetailCo LWC Portal
Custom Lightning Web Components portal replacing a legacy React app, fully integrated with Salesforce.
FinCore Apex Engine
High-performance Apex batch processing engine handling 2M+ daily transactions for a fintech company.
Before vs After
Why Choose Extasis?
Trusted by 50+ companies for custom development. Here's why teams choose us.
Salesforce Certified Partners
Across all major clouds
150+ Projects Delivered
Zero failed implementations
Enterprise-Grade Expertise
Fortune 500 experience
24hr Response Guarantee
No lead goes unanswered
Key Benefits
Technologies & Tools
Industries Served
Credentials
Certified Experts
Our team holds the highest-level Salesforce certifications. When you work with us, you work with verified experts who've proven their mastery.
Salesforce Certified Platform Developer I & II
Salesforce Verified • Active
Salesforce Certified JavaScript Developer
Salesforce Verified • Active
Copado CI/CD Certified
Salesforce Verified • Active
Salesforce Certified Application Architect
Salesforce Verified • Active
Verified on Salesforce Trailhead
All certifications are verifiable on Salesforce's official Trailblazer platform. We provide badge IDs upon request.
Compliance & Security
SOC 2 Type II
Audited security controls
GDPR
EU data protection compliant
HIPAA
Healthcare data ready
ISO 27001
Information security
Salesforce Shield
Platform encryption
Service Guarantees
We stand behind our work with concrete, financial-backed guarantees. No fine print, no loopholes.
90%+ Test Coverage
Every line of code is tested. We guarantee minimum 90% code coverage on all deliverables.
Bug-Free Sprint
If a bug ships in our code, we fix it within 24 hours at zero cost.
IP Ownership
All custom code, components and documentation are your intellectual property — 100%.
Performance SLA
Pages load in under 2 seconds. If not, we optimize until they do.
All guarantees are contractually binding and included in every engagement
What Our Clients Say
“The LWC components Extasis built are blazing fast and beautifully designed. Our users love the new interface.”
Amit Patel
Dir. Digital, RetailCo
“Their Apex code is the cleanest we've seen. Full test coverage, great documentation, and zero regressions.”
Priya Sharma
VP Eng, HealthTech
FAQ
Got Questions?
Everything you need to know about our custom development services. Can't find what you're looking for? Reach out directly.
What's Included
We build Lightning Web Components, custom Apex triggers and batch jobs, REST/SOAP APIs, managed packages, and full custom applications on the Salesforce Platform.
Service Packages
Choose the engagement model that fits your needs. All packages include our quality guarantee.
Starter
Growth
Enterprise
Book an Appointment
Schedule a discovery call with our certified custom development experts.
“The LWC components Extasis built are blazing fast and beautifully designed. Our users love the new i...”
Amit Patel
Related Services
Ready to get started?
Let's discuss how our custom development services can transform your business. Get a free consultation today.