
Fidelity Investments software engineer candidates most often report resume-led technical discussions, fundamentals in Java/OOP and SQL, and approachable coding exercises. Some processes add an online assessment, panel, or deeper architecture discussion.
$120K
Avg. Base Comp
$145K
Avg. Total Comp
2-5 rounds
Typical Rounds
3-8 weeks
Process Length
Fidelity Investments software engineer interviews reported here are usually resume- and project-driven technical conversations, not a single uniform algorithm screen. Candidates repeatedly describe being asked to explain what they built, their own contribution, architecture choices, database relationships, and the technologies named on their resumes. A strong preparation pass is to choose one or two projects and rehearse the problem, implementation, tradeoffs, and follow-up questions you could answer if a requirement changed.
Java and object-oriented programming recur across reports: candidates mention the four OOP principles, interfaces versus abstract classes, and explaining concepts through practical or nontechnical examples. SQL also appears in reported interviews, from basic retrieval questions to a grouping and aggregation prompt. Coding difficulty varies, but examples include linked-list reversal, Valid Parentheses, arrays, string manipulation, and a stack implementation. Practice communicating a simple solution and its time and space tradeoffs as clearly as you practice writing it.
The sequence is not standardized. Reports include an online assessment or recruiter call before technical evaluation, followed by behavioral or HR discussion; others describe a panel or a combined technical and behavioral interview. One candidate reported a process lasting about three weeks, but the remaining accounts do not establish a reliable general timeline.
Synthesized from 29 candidate reports by our editorial team.
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Real interview reports from people who went through the Fidelity Investments process.
The technical part was much more basic than I expected for a software engineering interview. I started with an online assessment, then moved to an online technical round, followed by HR after shortlisting. The interviewer began by explaining the role and program, which made the conversation feel fairly relaxed. They spent time on my background and past projects, including asking me to talk through a favorite project and what I hoped to learn at the company.
The technical questions were primarily Java and object-oriented programming concepts rather than a deep algorithm screen. I was asked about OOP principles and the difference between an abstract base class and an interface. There was also a coding component that could include a straightforward data-structures question such as reversing a linked list, along with a few other DSA questions. The HR discussion still had a technical and behavioral angle: I was asked why the company should hire me and completed basic voluntary disclosure. Overall, the process was smooth and approachable, but it was important to explain my project work clearly as well as answer the fundamentals. I received an offer. My main advice is to be solid on core Java OOP, especially interfaces versus abstract classes, and be ready to walk through a linked-list reversal and your own projects in detail.
Prep tip from this candidate
Review core Java OOP concepts, especially the difference between an abstract base class and an interface. Also practice reversing a linked list and prepare a clear walkthrough of a favorite resume project.
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Sourced from candidate reports and verified by our team.
Topics based on recent interview experiences.
Featured question at Fidelity Investments
Select the 2nd highest salary in the engineering department
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| Portfolio Platform Architecture | |
| RAG Strict Source Control | |
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| Slow SQL Query | |
| The Longest Journey | |
| Loan Model | |
| Seller Type Modeling | |
| Text Editor With OOP | |
| Testing Constraints | |
| Client Solution Pushback | |
| Reddit-like Notifications | |
| Employee Salaries | |
| Merge Sorted Lists | |
| Subscription Overlap | |
| Closest SAT Scores | |
| Empty Neighborhoods | |
| Top Three Salaries | |
| Monthly Customer Report | |
| Rolling Bank Transactions | |
| Find the Missing Number | |
| Bagging vs Boosting | |
| String Shift | |
| Prime to N | |
| Comments Histogram | |
| Find the First Non-Repeating Character in a String |
Synthesized from candidate reports. Individual experiences may vary.
Candidates report either a recruiter/phone conversation or an online assessment at the start. Assessments may combine aptitude or verbal material, computer-science fundamentals, and easy-to-medium coding; recruiter calls commonly cover background, role preferences, and behavioral questions.
Candidates frequently report that interviewers use the resume as the starting point. Be ready to explain projects, individual contributions, technical decisions, database relationships, hosting or framework choices, and how you would adapt a design when requirements change.
Technical interviews commonly include Java/OOP and SQL alongside a straightforward coding exercise. Reported prompts range from arrays, strings, stacks, linked lists, and Valid Parentheses to basic SQL; some candidates also report OS, DBMS, or API-explanation questions.
Candidates report behavioral or HR conversations covering motivation for Fidelity, career goals, projects, conflict, learning quickly, and explaining technical ideas to a stakeholder. Some processes use a panel, while others combine behavioral questions with the technical interview.