Sr Salesforce Developer

Senior Certinia PSA Cloud Lead Architect & Developer – India

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud customer experience software, bringing the power of cloud innovation to customers worldwide. Living our values every day results in our people- and team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together.

To support our continued growth, we are seeking a Senior Certinia PSA Cloud Lead Architect & Developer to join our IT Applications Delivery team. This senior role will be the technical owner and primary hands‑on developer for our mission‑critical Professional Services Automation (PSA) and Customer Success solutions built on Salesforce and Certinia (FinancialForce).

The ideal candidate combines deep solution architecture expertise with advanced full‑stack Apex/LWC development skills, and has a strong track record building scalable solutions for high‑growth SaaS organizations. The position is based in Chennai or Bengaluru, India.

Key Responsibilities (50% Solution Architecture, 50% Development)

• Lead the end-to-end technical design and architecture of scalable Certinia PSA and Customer Success solutions on Salesforce, including data models, processes, and integration patterns with external systems (e.g., CPQ, ERP, Billing, Data Warehouse).
• Deliver complex, custom solutions using Apex, Lightning Web Components (LWC), Aura, and Flows to extend Certinia's functionality and build advanced automation.
• Serve as the lead architect and technical lead for PS Cloud initiatives, guiding solution design, defining technical standards, and partnering with business stakeholders to translate strategic goals into scalable technical solutions.
• Maintain deep expertise in Salesforce and Certinia data models, architecture, security, and governor limits, designing for performance and scale in high-volume scenarios.
• Leverage experience in high-growth SaaS environments to continuously identify opportunities for architectural simplification, data quality improvement, and enhanced reporting/analytics, staying current with platform innovations.
• Partner closely with Professional Services, Customer Success, and RevOps leaders to translate strategic business goals into scalable technical solutions.

Key Requirements:

• Bachelor’s Degree in Computer Science, Information Science, or related technical field (or equivalent experience).
• 5+ years of progressive experience on the Salesforce platform in Architect, Senior Consultant, or Senior Developer roles.
• 4+ years of hands‑on Certinia (FinancialForce) experience, focused on PSA; Customer Success experience strongly preferred.
• Certinia PSA Implementation Consultant or Certinia PSA System Admin certification required.
• Salesforce Platform Developer II certification required; Certified System Architect, or Certified Application Architect certifications strongly preferred.
• Expert‑level custom Salesforce development skills (Apex, LWC, Aura, Visualforce) plus strong Flow and declarative expertise.
• Proven track record as a technical lead or lead architect on complex, multi‑phase Salesforce/Certinia implementations.
• Deep familiarity with PSA concepts (project financials, utilization, revenue, time & expense) in a SaaS or services context.
• Strong analytical, problem‑solving, and troubleshooting skills with a focus on performance, scalability, and maintainability.
• Excellent communication skills; able to explain technical designs and trade‑offs to both technical and business  stakeholders.

Why You’ll Love This Role:

• You’ll be the senior technical authority for our Certinia PSA and Customer Success stack, directly shaping how we operate and scale our global services business.
• You’ll own both architecture and hands‑on delivery, leading key design decisions while still writing the critical pieces of code and integration logic.
• You’ll collaborate with senior leaders across Professional Services, Success, and RevOps, with clear visibility into how your work impacts margins, utilization, and customer outcomes.