About Zelis
Company Description
Zelis is a leading healthcare technology company dedicated to modernizing the healthcare financial experience. The company provides a connected platform that bridges gaps in the healthcare payment ecosystem, serving payers, providers, and consumers. Zelis works with top national health plans, regional insurers, TPAs, and self-insured employers, as well as millions of healthcare providers and consumers. The company emphasizes innovation, operational excellence, and delivering efficient, accurate, and transparent payment solutions in healthcare.
Work Culture & Job Environment
Zelis fosters an inclusive, collaborative, and dynamic work environment where employees are encouraged to innovate and grow. The company values professional development, learning, and mentorship. Employees benefit from flexible work arrangements, good work-life balance, and opportunities to work on challenging projects that impact the healthcare ecosystem. Teamwork, transparency, and a supportive culture make Zelis an attractive workplace for both freshers and experienced professionals.
Interview Questions & Sample Answers
1. Software Engineer
Q1: Can you describe your experience with cloud technologies?
I have hands-on experience with cloud platforms like AWS and Azure, using services such as EC2, S3, and Lambda to deploy and manage scalable applications efficiently.
Q2: How do you ensure the security of applications you develop?
I implement input validation, encryption, secure authentication, and conduct regular security audits to safeguard applications from vulnerabilities.
Q3: Describe a challenging technical problem you faced and how you resolved it.
I encountered performance issues due to inefficient database queries. I optimized the queries, implemented indexing, and achieved a 40% improvement in application response times.
Q4: How do you stay updated with the latest technology trends?
I regularly read technical blogs, attend webinars, participate in online courses, and contribute to developer communities to keep up with emerging technologies.
Q5: Can you explain microservices architecture?
Microservices involve building applications as independent, small services that communicate through APIs, improving scalability, maintainability, and deployment flexibility.
Q6: What is your experience with version control systems?
I am proficient in Git, enabling efficient collaborative development, branching strategies, and maintaining code integrity.
Q7: How do you approach debugging and troubleshooting?
I systematically analyze logs, reproduce the issue, and use debugging tools to identify root causes and implement effective solutions.
2. Data Analyst
Q1: What data analysis tools are you proficient in?
I am proficient in SQL, Excel, Tableau, Python, and Power BI for analyzing and visualizing large datasets effectively.
Q2: How do you ensure data accuracy and integrity?
I implement data validation checks, perform audits, and cross-verify multiple data sources to ensure data integrity.
Q3: Describe a project where your analysis led to actionable insights.
I analyzed customer behavior data and identified patterns that helped the marketing team optimize campaigns, resulting in a 15% increase in engagement.
Q4: How do you handle large datasets?
I use efficient querying, aggregation, and visualization techniques, along with Python and SQL optimization methods, to manage and analyze large datasets.
Q5: Can you explain predictive analytics?
Predictive analytics uses historical data and statistical algorithms to forecast future trends, supporting informed decision-making.
Q6: How do you communicate complex data findings to non-technical stakeholders?
I use clear visualizations, dashboards, and simple language to present insights in an understandable manner.
Q7: How do you ensure data privacy and compliance?
I follow data protection regulations, implement access controls, and anonymize sensitive information to maintain privacy and compliance.
3. Client Success Manager
Q1: How do you build and maintain strong client relationships?
I focus on clear communication, actively listening to client needs, and providing timely solutions to foster trust and long-term partnerships.
Q2: Describe a time when you turned a dissatisfied client into a satisfied one.
I handled a client complaint about delayed responses by addressing their concerns promptly, implementing process improvements, and providing regular updates, which restored their confidence in our services.
Q3: How do you manage multiple client accounts simultaneously?
I use project management tools, prioritize tasks effectively, and maintain organized schedules to manage multiple accounts efficiently.
Q4: What strategies do you use to identify upsell or cross-sell opportunities?
I analyze client usage patterns, understand business needs, and suggest additional solutions that provide tangible benefits.
Q5: How do you handle difficult clients or conflicts?
I remain calm, listen actively, identify the root cause, and collaborate to find mutually beneficial solutions while maintaining professionalism.
Q6: How do you measure client satisfaction and success?
I use metrics such as Net Promoter Score (NPS), customer retention rates, and feedback surveys to evaluate and improve client satisfaction.
Q7: How do you coordinate with internal teams to address client issues?
I facilitate communication between technical, product, and support teams to ensure client issues are resolved promptly and efficiently.
Job Roles
Skills (for reference):
Software Development (.NET, Java, Python)
Cloud Technologies (AWS, Azure)
Data Analysis and Visualization (SQL, Tableau, Power BI, Python)
Client Relationship Management
Project Management
Problem-Solving and Communication
Previous Roles (for reference):
Software Engineer
Data Analyst
Client Success Manager
Technical Support Specialist
Business Analyst
Zelis Interview Questions and Answers
Updated 21 Feb 2026Customer Support Specialist Interview Experience
Candidate: Linda S.
Experience Level: Entry-level
Applied Via: Job Fair
Difficulty: Easy
Final Result:
Interview Process
1
Questions Asked
- How do you handle difficult customers?
- Describe a time you went above and beyond for a client.
Advice
Be personable and demonstrate strong communication skills.
Full Experience
The interview was a single round conducted on-site during a job fair. It was conversational and focused on customer service scenarios and interpersonal skills. The hiring team seemed eager to find candidates with a positive attitude.
Sales Executive Interview Experience
Candidate: David K.
Experience Level: Mid-level
Applied Via: Recruiter Outreach
Difficulty:
Final Result:
Interview Process
2
Questions Asked
- Describe your sales process.
- How do you handle rejection?
- What motivates you in sales?
Advice
Show enthusiasm and provide concrete sales achievements.
Full Experience
The first round was a phone interview focusing on experience and motivation. The second was an in-person meeting with the sales manager, including role-play scenarios. The atmosphere was professional and encouraging.
Product Manager Interview Experience
Candidate: Sophia L.
Experience Level: Senior
Applied Via: Referral
Difficulty: Hard
Final Result:
Interview Process
4
Questions Asked
- How do you prioritize features?
- Describe a product launch you led.
- How do you handle stakeholder conflicts?
- Case study: Improve payment processing experience.
Advice
Prepare detailed examples of leadership and product impact, and practice case studies.
Full Experience
The interview process was comprehensive, starting with a phone screen, then multiple rounds including a case study presentation and behavioral interviews. The team valued strategic thinking and communication skills highly.
Data Analyst Interview Experience
Candidate: Jason M.
Experience Level: Entry-level
Applied Via: Company Website
Difficulty: Easy
Final Result: Rejected
Interview Process
2
Questions Asked
- How do you handle missing data?
- Explain a time you used data to influence a decision.
Advice
Gain more hands-on experience with SQL and data visualization tools.
Full Experience
The first round was a phone screening with HR, followed by a technical interview with the analytics team. Questions were straightforward but expected more practical examples and familiarity with tools like Tableau.
Software Engineer Interview Experience
Candidate: Emily R.
Experience Level: Mid-level
Applied Via: LinkedIn
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain a challenging bug you fixed.
- Describe your experience with REST APIs.
- Write a function to reverse a linked list.
Advice
Brush up on data structures and be ready to discuss past projects in detail.
Full Experience
The process started with an online coding test, followed by a technical phone interview focusing on algorithms and system design. The final round was an onsite with the team, including a pair programming session. The interviewers were friendly and focused on problem-solving skills.
Frequently Asked Questions in Zelis
Have a question about the hiring process, company policies, or work environment? Ask the community or browse existing questions here.
Common Interview Questions in Zelis
Q: A hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one directionand the hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely.The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hareincrease its speed so as to tie the race?
Q: Suppose a newly-born pair of rabbits, one male, one female, are put in a field. Rabbits are able to mate at the age of one month so that at the end of its second month a female can produce another pair of rabbits. Suppose that our rabbits never die and that the female always produces one new pair (one male, one female) every month from the second month on.
Q: A rich man died. In his will, he has divided his gold coins among his 5 sons, 5 daughters and a manager. According to his will: First give one coin to manager. 1/5th of the remaining to the elder son.Now give one coin to the manager and 1/5th of the remaining to second son and so on..... After giving coins to 5th son, divided the remaining coins among five daughters equally.All should get full coins. Find the minimum number of coins he has?
Q: Consider a pile of Diamonds on a table. A thief enters and steals 1/2 of the total quantity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2. Then 4th thief enters and steals 1/2 of the remaining+2. When the 5th one enters he finds 1 diamond on the table. Find out the total no. of diamonds originally on the table before the 1st thief entered.
Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: ABCDE are sisters. Each of them gives 4 gifts and each receives 4 gifts No two sisters give the same combination ( e.g. if A gives 4 gifts to B then no other sisters can give four to other one.)Â (i) B gives four to A.(ii) C gives 3 to E. How much did A,B,C,E give to D?
Q: There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
Q: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?
Q: Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p
Q: A vessel is full of liquid. From the vessel, 1/3rd of the liquid evaporates on the first day. On the second day 3/4th of the remaining liquid evaporates. What fraction of the volume is present at the end of the second day
Q: There are 7 letters A,B,C,D,E,F,GAll are assigned some numbers from 1,2 to 7.B is in the middle if arranged as per the numbers.A is greater than G same as F is less than C.G comes earlier than E.Which is the fourth letter
Q: If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.
Q: There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?
Q: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....
Q: Consider a series in which 8 teams are participating. each team plays twice with all other teams. 4 of them will go to the semi final. How many matches should a team win, so that it will ensure that it will go to semi finals.?
Q: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
Q: A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
Q: A Man is sitting in the last coach of train could not find a seat, so he starts walking to the front coach ,he walks for 5 min and reaches front coach. Not finding a seat he walks back to last coach and when he reaches there,train had completed 5 miles. what is the speed of the train ?
