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: In a sports contest there were m medals awarded on n successive days (n > 1). 1. On the first day 1 medal and 1/7 of the remaining m - 1 medals were awarded. 2. On the second day 2 medals and 1/7 of the now remaining medals was awarded; and so on.On the nth and last day, the remaining n medals were awarded.How many days did the contest last, and how many medals were awarded altogether?
Q: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
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: 9 cards are there. You have to arrange them in a 3*3 matrix. Cards are of 4 colors. They are red, yellow, blue and green. Conditions for arrangement: one red card must be in first row or second row. 2 green cards should be in 3rd column. Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. At least one green card in each row.
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: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...
Q: 36 people {a1, a2, ..., a36} meet and shake hands in a circular fashion. In other words, there are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3}, ..., {a35, a36}, {a36, a1}. Then size of the smallest set of people such that the res...
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: 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: A long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete
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: 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: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?
Q: In a Park, N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song ? one pair immediately after the other. If the total time taken for singing is 28 minutes, what is N?
Q: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?...
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?
