Introduction
If you’re prepping for SFDC Developer Interview Questions, you need a focused, practical plan that covers technical depth and real interview behavior. This guide lists the top 30 most common SFDC Developer Interview Questions you should prepare for, with precise answers, scenario guidance, and prep tips you can use today. The questions span Apex, Triggers, Flows, governor limits, testing, deployment, behavioral prompts, and resume positioning so you can walk into interviews with clarity and calm.
A strong focus on common SFDC Developer Interview Questions helps you prioritize study time, refine examples from your projects, and practice answers for both coding screens and behavioral rounds. Read each Q&A, run the examples in a developer org, and rehearse the behavioral responses using STAR-style structure. Takeaway: targeted practice on these SFDC Developer Interview Questions yields faster improvement and increased interview confidence.
Core SFDC Developer Technical Questions — What are the fundamentals interviewers expect?
The core technical skills are Apex, SOQL, Triggers, governor limits, testing, and basic integration patterns.
Interviewers expect concise definitions, best practices, and short example code or architecture notes for these SFDC Developer Interview Questions. Use official Trailhead modules and community resources to practice hands-on scenarios and to demonstrate safe bulk patterns and test coverage strategies (Trailhead, Apex Hours). Takeaway: show both conceptual knowledge and a track-record of applying bulk-safe, testable solutions.
Technical Fundamentals
Q: What is Apex and when should you use it?
A: Apex is Salesforce’s strongly-typed, object-oriented language for custom business logic when declarative tools can’t meet requirements.
Q: What are governor limits in Salesforce and how do you handle them?
A: Governor limits are platform-enforced caps (CPU, SOQL, DML, etc.); handle them via bulkification, async processing, selective queries, and caching.
Q: When should you use Apex versus Salesforce Flow?
A: Use Flow for declarative automation and simple logic; choose Apex for complex computations, integrations, or when Flow lacks required control or testability.
Q: How do you write and optimize Apex Triggers?
A: Use a trigger handler pattern, keep triggers thin, perform bulk-safe SOQL/DML outside loops, and centralize logic to enable unit testing.
Q: What is bulk processing and best practices for it?
A: Bulk processing means handling collections; best practices include using Lists/Maps/Sets, reducing SOQL/DML counts, and using batch Apex for massive datasets.
Q: How do you write a proper test class for Apex code?
A: Write positive and negative tests, use Test.startTest()/Test.stopTest(), insert realistic test data, assert outcomes, and aim for meaningful coverage and behavior checks.
Q: What is asynchronous Apex and when to use it?
A: Async Apex (Queueable, Batch, Future, Scheduled) offloads long-running or bulk operations to avoid CPU/transaction limits and improve user response.
Q: How do you design for platform limits in integrations?
A: Use API bulk endpoints, streaming or platform events for near-real-time needs, avoid synchronous calls for heavy workloads, and implement retries/queuing.
Q: What are common SOQL performance pitfalls and optimizations?
A: Pitfalls: non-selective filters, child-to-parent cross-object queries in loops, and too many fields. Optimize with selective where clauses, indexed fields, and query plans.
Q: What is the difference between with sharing and without sharing in Apex?
A: "With sharing" enforces record-level sharing rules; "without sharing" runs as system context ignoring sharing—use carefully for privileged operations.
Takeaway: mastering bulk patterns, tests, and when to pick declarative vs programmatic tools is key to technical rounds.
Popular Salesforce Developer Coding Scenarios & Case Questions — What practical problems will you be asked to solve?
Interviewers commonly present scenario-based problems that test your design and code quality under SFDC constraints.
Expect questions that ask you to process bulk records, design flows, build testable Apex, and explain trade-offs—prepare by walking through real examples in a developer org and reviewing community walkthroughs (SalesforceBen, Apex Hours). Takeaway: practice end-to-end scenarios and articulate the trade-offs you chose.
Coding Scenarios & Case Questions
Q: How would you handle bulk record updates triggered by a UI action?
A: Collect record IDs, query relevant data once, perform logic in-memory, and execute a single bulk DML outside loops to respect governor limits.
Q: Design an Apex trigger to prevent duplicate contact emails.
A: Use a before insert/update trigger with a Map keyed by lowercase email to detect duplicates, query existing records once, and add errors via record.addError().
Q: How do you write a batch Apex to reprocess 100k leads?
A: Implement Database.Batchable with QueryLocator, use chunk sizes (e.g., 200), apply stateful only when needed, and monitor via async job report.
Q: Provide a Flow solution for lead assignment based on territory rules.
A: Use record-triggered Flow with decision elements, criteria groups, and an invocable Apex for complex lookup logic if required; test thoroughly.
Q: How would you design test data for a complex integration test?
A: Create realistic objects in test setup, use @TestVisible or custom settings where appropriate, and mock external calls with the HTTPCalloutMock interface.
Q: Explain how to handle partial failures in bulk integrations.
A: Use Database.insert/update with allOrNone=false to allow partial success and iterate results to log/retry failed records.
Q: How to implement retry logic for failed callouts?
A: Queue failed records with Platform Events or custom queue objects, schedule retries with Scheduled Apex or use durable middleware with exponential backoff.
Q: What pattern would you use for complex sharing recalculation?
A: Offload to asynchronous processing (Queueable/Batch), use selective queries to limit scope, and ensure idempotency for retries.
Takeaway: emphasize clear, bulk-safe designs and be ready to explain alternatives and trade-offs.
Behavioral SFDC Developer Interview Questions — What soft skills and stories matter most?
Behavioral questions probe communication, teamwork, conflict resolution, and how you manage trade-offs in projects.
Use the STAR (Situation, Task, Action, Result) framework for structured answers and include measurable outcomes—CloudTalent360 and Exponent suggest focusing on collaboration with admins, product owners, and QA (CloudTalent360, Try Exponent). Takeaway: practice concise STAR answers for common SFDC Developer Interview Questions to show impact and ownership.
Behavioral Questions
Q: Tell me about a time you resolved a production bug under pressure.
A: Describe the incident, quick diagnostics, rollback or hotfix steps, communication with stakeholders, and preventive actions taken afterward.
Q: How do you handle disagreements with Salesforce admins on design decisions?
A: Show collaborative approach: listen, present trade-offs with data, propose prototypes, and choose the shared path that balances time and risk.
Q: Describe a project where you improved performance or costs.
A: Highlight metrics (reduced API calls, faster page loads), techniques used (caching, selective queries), and business impact.
Q: How do you prioritize technical debt versus new features?
A: Explain using risk assessment, ROI, stakeholder alignment, and a roadmap that reserves capacity for maintenance.
Q: Give an example of mentoring or knowledge transfer you led.
A: Outline the program (docs, sessions), how you measured adoption, and the improvement in team velocity or fewer escalations.
Q: Why do you want to work with Salesforce technology?
A: Connect personal growth, platform strengths (ecosystem, low-code + code), and specific company impact you can drive.
Takeaway: structuring behavioral SFDC Developer Interview Questions around outcomes and collaboration shows maturity.
Salesforce Developer Interview Process Insights — How many rounds and what should you expect?
The process typically includes a phone screen, technical coding or take-home challenge, one or more technical interviews, and a behavioral/culture round.
Expect live coding or whiteboard design for core SFDC Developer Interview Questions, followed by system design and behavioral assessments; prep each stage with targeted practice and mock interviews (SalesforceBen, Trailhead). Takeaway: know the stage formats early so you can tailor practice (coding vs behavior) accordingly.
Process Practicalities
Q: What coding challenges are typical for a Salesforce Developer role?
A: Short Apex tasks, trigger handlers, test class creation, Flow design, and architecture questions on integrations and data model.
Q: How many interview rounds should you prepare for?
A: Prepare for 3–5 rounds: recruiter screen, technical screen, take-home or live code, team interview, and final hiring manager/culture fit.
Q: How should you present past Salesforce projects during interviews?
A: Use measurable impacts, architecture diagrams if needed, your role and trade-offs, and describe deployment and testing strategies.
Takeaway: rehearsed narratives and hands-on coding practice for each stage reduce interview-day surprises.
Resume and Skills Highlight for Salesforce Developers — What should you emphasize on your CV?
Highlight Apex, Lightning, Flow, Integration experience, certifications, and measurable project outcomes.
Prioritize keywords recruiters use (Apex, SOQL, LWC, Flow, CI/CD, REST/SOAP, Batch Apex) and show tangible results (reduced run times, increased automation) to pass ATS and prompt interviews (The Interview Guys, Talentstacker). Takeaway: a results-oriented resume with correct keywords increases interview invites and sets expectations for SFDC Developer Interview Questions.
Resume and Skills
Q: What certifications are most valuable for a Salesforce Developer?
A: Platform Developer I (required), Platform Developer II (advanced), and certifications tied to architecture or specific clouds.
Q: Which technical skills should be front-and-center on a Salesforce Developer resume?
A: Apex, SOQL, Lightning Web Components, Flow, integrations (REST/SOAP), CI/CD, and automated testing experience.
Q: How to demonstrate project impact on your resume?
A: Use metrics (time saved, error reduction, revenue impact), short bullet points, and reference relevant modules or pages you owned.
Takeaway: align your resume with job descriptions and be ready to elaborate on each highlighted skill during interviews.
How Verve AI Interview Copilot Can Help You With This
Verve AI Interview Copilot gives targeted, real-time feedback on your SFDC Developer Interview Questions answers and helps you structure technical explanations and STAR behavioral stories. It simulates interviewer prompts, evaluates code snippets for clarity and bulk-safety, and suggests concise phrasing for common questions. Use it to rehearse trigger explanations, step through governor-limit strategies, and polish resume-focused talking points so you walk in calm and prepared. Try Verve AI Interview Copilot for mock rounds, then refine answers while the tool highlights gaps in technical detail. The platform also creates rapid practice sessions tailored to your weak areas; try Verve AI Interview Copilot to compress prep time. For behavioral rounds, it coaches STAR responses and times your delivery; test practice runs with Verve AI Interview Copilot to boost confidence.
What Are the Most Common Questions About This Topic
Q: Can Verve AI help with behavioral interviews?
A: Yes. It applies STAR and CAR frameworks to guide real-time answers.
Q: How many SFDC Developer questions should I master?
A: Focus on the top 30 technical and behavioral questions most commonly asked.
Q: Do I need Platform Developer II to get senior roles?
A: Helpful but not strictly required—experience and architecture depth often matter more.
Q: Is Flow enough to replace Apex in interviews?
A: Flow handles many tasks, but you should know when Apex is necessary.
Q: How long before interviews should I start practicing?
A: Begin 2–4 weeks ahead with focused, daily practice sessions.
Conclusion
Preparing these SFDC Developer Interview Questions with focused practice, scenario walkthroughs, and structured behavioral stories will sharpen your technical and communication skills and improve interview performance. Prioritize bulk-safe code, meaningful test coverage, clear architecture explanations, and STAR-formatted behavioral answers to demonstrate impact and ownership. Try Verve AI Interview Copilot to feel confident and prepared for every interview.
