Dataford
Interview QuestionsInterview GuidesExperiencesCoaching
New
Pricing
Get started
Dataford
Popular roles
Software EngineerData AnalystData ScientistData EngineerBusiness AnalystAI EngineerMachine Learning EngineerProduct Manager
Browse
Browse All RolesEvery role hub, from analyst to MLBrowse All CompaniesCompany-specific interview loopsAll Interview GuidesThe full guide library
Top questions by role
Software EngineerData AnalystData ScientistData EngineerBusiness AnalystAI EngineerMachine Learning EngineerProduct Manager
Top questions by skill
SQLPythonStatisticsMachine LearningA/B TestingSystem DesignGenerative AIProduct SenseMetricsBehavioral
Browse all questions →Try a mock interview
Experiences
Practice
Mock InterviewsTimed interview simulations with feedbackCoaching1:1 coaching with people at your target companiesSuccess PathYour 6-week structured planModulesCurated lessons by topicWebinarsTalks from ex-Big Tech data leadsPlaygroundA free-form scratch editor
Learn
BlogInterview strategy and career adviceTech Job Market ReportHiring trends across data and AI rolesFor UniversitiesDataford for career centersAbout DatafordWho we are and how we build
Pricing
Build my plan
Interview Guides/Maincode
M
MaincodeCompany guide
Updated weekly · Reviewed by the Dataford team

Maincode interview process & guide 2026

Based on 3 interview reports

Everything we know about interviewing at Maincode: what each round tests and compensation by level.

Research ScientistSoftware EngineerAI Engineer

At a glance

3
Role guides
3
Interview reports
12
Topics tracked
$115k
Median total comp
01 · Difficulty and outcomes

How hard is the Maincode interview?

Aggregated from 3 interview experiences
Difficulty mix
Easy0%
Medium33%
Hard67%
Most candidates rate the loop hard. Budget real prep time.
Experience sentiment
33%positive
Positive 33%Neutral 33%Negative 33%
02 · Topic breakdown

What Maincode actually tests for

How prominent each skill is across reported loops
100%
Machine Learning (ML)
100%
LLMs (Large Language Models)
100%
AI Research (general)
96%
Model Training Pipelines
96%
LLM Integration
95%
Research Scientist role expectations
93%
AI Infrastructure
92%
Take-home Technical Assessment
90%
Programing for AI (Python)
90%
Prototype/demo development
70%
Scalability
41%
Performance Optimization
Tested less
Tested more
03 · Role guides

Find the guide for your role

This is your next step: open the guide for the role you are interviewing for. Each one carries the questions Maincode interviewers actually ask that position, the loop structure, and pay by level.

Showing 3 of 3 role guides
AI Engineer
$81k-$149k
Open guide
Research Scientist
$71k-$144k
Open guide
Software Engineer
$77k-$163k
Open guide
04 · Compensation

What Maincode pays, by level

Estimated total compensation: base salary plus stock and annual cash bonus.

Median $115k
Level$50kTotal comp range$200kTotal
All levels
Base $71k-$153k
$71k-$163k
Ranges blend verified compensation data points. Base + stock + annual bonus shown. Estimates only.
05 · FAQ

Maincode interview FAQ

Answered from real candidate and workplace data
How hard is the Maincode interview?

Candidates most commonly rate Maincode interviews as hard, based on 3 reported interviews.

How much does Maincode pay?

Reported total comp across roles at Maincode ranges from roughly $71k to $163k per year, varying by level, team, and location.

What topics does Maincode test in interviews?

Maincode interviews most often cover Scalability, Performance Optimization, Machine Learning (ML), LLMs (Large Language Models), and AI Research (general). The exact emphasis depends on the specific role you apply for.

What roles can I prepare for at Maincode?

Dataford has interview guides for 3 roles at Maincode, including AI Engineer, Research Scientist, and Software Engineer.

On this page0% read
How hard is it?What Maincode evaluatesQuestions and role guidesCompensation by levelFAQ
Prep for Maincode with a plan

A day by day plan built from this guide, with the questions Maincode actually asks.

Build my plan

Ready for your Maincode interview?

Practice the exact questions from this guide with AI feedback, and walk into your loop knowing what to expect.

Start practicing freeView pricing
Keep exploring

Browse every guide, role and company

Roles at Maincode
Maincode AI EngineerMaincode Research ScientistMaincode Software EngineerAll 3 roles
Maincode prep plans
Maincode Interview QuestionsMaincode AI Engineer Interview QuestionsMaincode Research Scientist Interview QuestionsMaincode Software Engineer Interview QuestionsAll prep collections
Keep exploring
All interview guidesPractice questionsBrowse companies
Dataford

Interview guides, real questions, and mock interviews for tech roles.

Interview Prep

Interview GuidesInterview QuestionsInterview ExperiencesMock InterviewsPersonalized PrepPricing

Popular Roles

Software EngineerData AnalystData ScientistData EngineerBusiness AnalystAI EngineerMachine Learning EngineerProduct ManagerQA EngineerProject ManagerBrowse All Roles

Explore

Browse CompaniesBlogTech Job Market ReportUniversitiesBecome a Coach
About·Contact·Privacy·Terms
LinkedInYouTube
© 2026 Dataford, Inc.