Epic Software Engineer interview questions & guide 2026

The questions encountered during the Epic hiring process are drawn directly from real reported interview experiences. While exact questions may vary depending on the specific team and pipeline, Epic maintains a standardized evaluation framework. Expect a heavy emphasis on core data structures, algorithmic logic, speed-math and reasoning, and practical system design tailored to healthcare workflows.

Technical & Algorithmic Coding

This category tests your ability to manipulate data structures, write clean algorithms without external reliance, and handle string, array, and recursive operations efficiently.

• Given a string, check every number between two given bounds and output any number that forms a palindrome in both base 10 and base 8.
• Generate all possible combinations of strict $K$-digit numbers where digits must be strictly increasing (e.g., for $K=3$, valid numbers range from 123 to 789).

Preparing for an engineering interview at Epic requires a deliberate balance between rapid cognitive skills, traditional algorithmic coding, and high-level case study design. Epic's evaluation process is uniquely standardized; your performance on objective technical tests holds significant weight alongside your live interview rounds.

Core Computer Science Fundamentals – Epic places immense value on strong CS basics rather than familiarity with specific frameworks. Interviewers evaluate your understanding of core data structures (arrays, hash maps, trees, graphs) and foundational algorithms (backtracking, dynamic programming, recursive search). You will demonstrate strength by writing clean, logical, and optimal code even without access to standard compilers or auto-completion tools.

Aptitude and Cognitive Speed – A signature component of Epic’s pipeline is its proctored skills assessment. Candidates are evaluated on mental math agility, logical reasoning, and the ability to absorb completely unfamiliar syntax rapidly. Demonstrating strength here requires practicing speed-math calculations, logical riddles, and abstract rule-following exercises under strict time windows.

System Design & Healthcare Domain Intuition – During final rounds, you are evaluated on how intuitively you model real-world problems into clean database tables and object models. Interviewers look for how well you handle data integrity, edge cases (e.g., patient identity resolution), and user workflows. Show strength by asking clarifying questions, breaking down complex data relationships logically, and proposing simple, scalable solutions.

Cultural Alignment & Location Readiness – Epic operates on a full-time, in-person model at its healthcare software headquarters in Verona, WI. Interviewers assess your willingness to relocate, your excitement for healthcare technology, and your capability to collaborate effectively within structured teams. You can demonstrate readiness by researching Epic's flagship products (such as MyChart or EpicCare) and articulating clear personal motivations for joining the company.

The hiring workflow for a Software Engineer at Epic is fast-paced, highly structured, and standardized across applicants. The pipeline spans from initial screening to a rigorous combination of automated aptitude testing and a multi-part final "Superday" session.

The process typically begins with an initial phone screen conducted by either a recruiter or a current Software Engineer. This conversation centers on your background, technical projects on your resume, career goals, and basic logistics such as relocation to the Verona / Madison, WI area. Parallel to or immediately following this call, candidates receive an invitation to complete Epic's comprehensive online skills assessment (often administered via Sphinx/Honorlock). This proctored assessment is the primary quantitative filter in Epic's pipeline, evaluating speed-math, abstract logic, unfamiliar language syntax, and algorithmic programming.

Candidates who clear the skills assessment advance to the final round—a structured multi-hour virtual or onsite "Superday." This session combines detailed presentations about Epic's software ecosystem and campus culture with intensive technical evaluations. The final round includes a live healthcare-focused system design case study, an algorithmic pair-programming session with a senior developer, and a final interview with HR or a hiring manager to cover offer logistics and team placement.

The timeline above details the progression from initial application to final offer stage. Candidates should anticipate spending significant preparation time on the online skills assessment, as it represents a key gateway to the final interview round. Use this sequence to pace your practice—focusing first on algorithmic speed and logic puzzles, followed by practical system design and live pair-programming practice.

To excel across the Epic interview funnel, candidates must master three distinct technical domains: standard algorithmic problem-solving, cognitive/aptitude testing, and healthcare system design.

Algorithmic Coding & Data Structures

Algorithmic rounds assess your ability to implement sound logic efficiently. During both the online assessment and the final pair-programming round, you will encounter classic data structure manipulation problems, string processing, and recursive search.

Be ready to go over:

• String & Matrix Processing – Handling complex string splits, palindrome verification across base representations, grid traversal, and 2D-array matching algorithms.

As a Software Engineer at Epic, your day-to-day work centers on writing efficient code, building clinical applications, and keeping core healthcare infrastructure reliable.

• Feature Engineering & Architecture: You will design, write, and maintain robust code powering core products like EpicCare, MyChart, Cadence, or Cogito. This involves building backend database logic, optimizing query speed, and writing clean front-end UI components.
• Data Modeling & System Optimization: You will structure complex relational schemas to handle clinical information securely. Engineers regularly refactor legacy database patterns into modern architectures to handle millions of transactions per day smoothly.
• Cross-Functional Collaboration: Software developers work closely with Quality Assurance (QA) engineers, Implementation Consultants, and Technical Support teams. You will refine product requirements, evaluate customer workflows, and translate clinical requests into functional engineering tickets.
• Debugging & Systems Integrity: Healthcare systems require 100% uptime and high accuracy. You will debug live production issues, address edge-case server errors, ensure HIPAA-compliant data security, and optimize throughput across clinical network nodes.

Epic evaluates candidates based on foundational software engineering knowledge, logical agility, and teamwork skills rather than specific commercial framework experience.

Technical Skills

• Core Programming Proficiency: Fluency in at least one major object-oriented or procedural language such as C++, Java, C#, Python, or C.
• Computer Science Fundamentals: Deep understanding of object-oriented design, data structures (hash tables, trees, lists), and algorithms (searching, sorting, recursion).
• Database Knowledge: Working knowledge of relational database concepts, basic SQL, data normalization, and primary/foreign key modeling.

Qualifications & Experience

• Must-have skills:

  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, Computer Engineering, or a related quantitative field.
  • Demonstrated ability to write clean, unassisted pseudocode or code without reliance on heavy IDE auto-completion tools.
  • Strong numerical, analytical, and logical reasoning skills.
  • Willingness to live and work full-time in-person at Epic’s campus in Verona, WI (near Madison).

• Nice-to-have skills:

  • Prior internship or project experience building full-stack web applications or relational database systems.
  • Familiarity with healthcare data standards (such as HL7 or FHIR) or UI/UX design fundamentals.
  • Experience with dynamic programming, backtracking, or low-level systems programming.

Q: How difficult is the online skills assessment, and how should I prepare? The online assessment is widely considered the hardest filter in Epic's hiring pipeline due to its length (2–3 hours) and strict proctoring. Prepare by practicing mental math calculations, LeetCode Easy-to-Medium problems (specifically string manipulation, arrays, and backtracking), and timed logic puzzles.

Q: Do I need prior experience with healthcare technology or M/MUMPS to be hired? No prior healthcare experience or familiarity with Epic's underlying database language (M/MUMPS) is required. Epic provides comprehensive, structured developer training for all new hires during their onboarding phase in Verona, WI.

Q: What is the format of the coding environment during the technical rounds? In the automated assessment, the coding interface is a plain text box without an integrated compiler, code execution testing, or auto-completion. Focus on writing clean, syntactically sound logic and pseudocode that clearly demonstrates your algorithm strategy.

Q: What is the work culture and office environment like for Software Engineers? Epic operates on a full-time, in-person work culture at its sprawling, themed software campus in Verona, WI. Engineers enjoy individual private offices, extensive campus amenities, and strong ownership over specific module features, though work-life balance varies by team and release schedule.

Q: How long does the hiring process take from application to offer? The overall timeline typically spans 3 to 6 weeks. Epic's recruitment team moves quickly to schedule the skills assessment after initial contact, with final offer decisions usually delivered within two weeks following the virtual or onsite Superday.

• Prioritize Speed and Accuracy in Early Rounds: During the initial 2-minute quick-math and logic sections of the skills test, work rapidly without second-guessing simple arithmetic. Speed and accuracy combined form your evaluation score.
• Master Plain-Text Coding: Practice solving coding challenges in a basic text editor like Notepad without running your code. Focus on manual dry-running with sample inputs to avoid basic syntax or boundary errors.

• Focus on Schema Design for Case Studies: In the final case study interview, clearly explain how your database tables link together. Explicitly define primary keys, foreign key relationships, and index choices for clinical queries.
• Express Clear Relocation Intent: Epic hires specifically for its Verona/Madison, WI headquarters. Be explicit during your recruiter and interviewer calls about your enthusiasm for living and working in the Madison area.
• Prepare Practical Resume Deep Dives: Be ready to explain one or two past projects in detail. Interviewers will ask what specific engineering decisions you made, what technical trade-offs occurred, and what features you would add next.

A Software Engineer role at Epic provides an incredible opportunity to solve high-stakes engineering problems while building technology that underpins global healthcare delivery. From optimizing clinical database queries to designing intuitive patient interfaces, your work directly supports care teams and patients worldwide.

To succeed in this interview process, focus your preparation on core computer science algorithms, mental arithmetic speed, and clear database system design. Mastering plain-text coding and honing your case study wireframing will set you apart during the final interview rounds. Approach each stage systematically, communicate your reasoning clearly, and highlight your passion for creating reliable, impactful software.

The compensation data reflects total target cash for software development roles at Epic. Entry-level and early-career software developers receive competitive base salaries supplemented by performance bonuses and comprehensive health benefits. As engineers progress in seniority and take on larger system module ownership, compensation scales significantly.

Candidates seeking additional interview insights, practice questions, and detailed preparation resources can explore comprehensive materials available on Dataford. Good luck with your preparation—with focused practice and strong technical execution, you are well-positioned to succeed in your Epic interview journey!