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You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.

How would you assess the validity of the result?

Experiment Validity

Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

Harness Salaries by Position

POSITION SUMMARY We're thrilled to invite passionate backend engineers to join our dynamic product team within the AI Developer Assistant product division. As we continue to expand our cutting-edge Generative AI and machine learning product, your role will be pivotal in driving its growth and evolution. Join us in shaping the future of AI-driven innovation in software delivery, where endless opportunities for professional development and impact await. You’ll join the AI QA Assistant engineering team, focusing on end-to-end testing of web applications. The team is developing a Generative AI-powered agent that uses natural language to automate key aspects of developers’ daily tasks. This agent will generate test cases, write and maintain automation tests, and significantly reduce the burden on developers, managers, and QA teams. ABOUT THE ROLE<ul><li>Driving end to end, design and implementation of features </li><li>Design, develop, and maintain integrations with multiple AI and cloud systems like Google Vertex AI, Azure, AWS and OpenAI</li><li>Build Gen AI based Agentic architecture for a first class AI enabled user experience</li><li>Use Prompt engineering techniques to leverage the best LLM models</li><li>Collaborate with product management, engineering teams and Machine learning engineers for requirements through to delivery</li><li>Design and implement scalable AI services</li></ul> ABOUT YOU <ul><li>3+ years of experience developing backend systems</li><li>3+ years of experience in Python with some knowledge of JavaScript (preferably Typescript)</li><li>Experience in RestAPIs, RPC, Deploying services</li><li>Experience in data modeling using NoSQL systems like MongoDB or SQL systems like MySQL, Postgres, etc. </li><li>Bachelor's degree, CS preferred, or equivalent professional experience</li><li>Experience working AWS to build scalable applications</li><li>Preference for candidates with experience in:</li><li>Building Code Generation products using LLMs</li><li>Knowledge of browser automation tools such as Puppeteer</li></ul>

Harness is a high-growth company that is disrupting the software delivery market. Our mission is to enable the 30 million software developers in the world to deliver code to their users reliably, efficiently, securely and quickly, increasing customers’ pace of innovation while improving the developer experience. We offer solutions for every step of the software delivery lifecycle to build, test, secure, deploy and manage reliability, feature flags and cloud costs. The Harness Software Delivery Platform includes modules for CI, CD, Cloud Cost Management, Feature Flags, Service Reliability Management, Security Testing Orchestration, Chaos Engineering, Software Engineering Insights and continues to expand at an incredibly fast pace. Harness is led by technologist and entrepreneur Jyoti Bansal, who founded AppDynamics and sold it to Cisco for $3.7B. We’re backed with $425M in venture financing from top-tier VC and strategic firms, including J.P. Morgan, Capital One Ventures, Citi Ventures, ServiceNow, Splunk Ventures, Norwest Venture Partners, Adage Capital Partners, Balyasny Asset Management, Gaingels, Harmonic Growth Partners, Menlo Ventures, IVP, Unusual Ventures, GV (formerly Google Ventures), Alkeon Capital, Battery Ventures, Sorenson Capital, Thomvest Ventures and Silicon Valley Bank. We are looking for a senior engineering manager to lead one of our Product engineering team. The right fit for this role would be someone with a backend dev experience on Java and who is very hands on application architecture and has proven experience with scaling a SaaS application and ideally from a SaaS platform company. High energy, passion for startups, knows how to operate effectively in unstructured environments, willingness to deal with unknowns, make commitments and create outcomes and someone the team can look up to. About the role<ul><li>5+ years experience leading a high-caliber engineering team in a technical and people leadership role.</li><li>10+ years of experience developing SaaS applications, in backend developer roles. A builder by heart.</li><li>Track record of assembling high-functioning organization</li><li>Experience working with teams and customers across timezones</li><li>Strong organizational skills, the ability to prioritize tasks and keep projects on schedule</li><li>BS degree in Computer Science, similar technical field of study or equivalent practical experience</li></ul> About you<ul><li>Take full ownership of the complete tech stack, overseeing the architecture, development, deployment, sustainability, and operation of the application in a production environment.</li><li>Assess code generated by fellow engineers, offering constructive feedback to uphold best practices, including adherence to style guidelines, code check-ins, accuracy, testability, and efficiency. Shape the mid-term technical vision and roadmap for your team(s), often managing multiple teams. Adapt the roadmap to align with anticipated future demands and infrastructure requirements.</li><li>Lead the design, validation, and evaluation of system designs within the broader domain, and contribute by writing code for product or system development to address complex challenges.</li></ul> Work LocationBangalore. The successful candidate will be expected to be in the Bangalore office 3x / week.

Position SummaryAn Engineering Manager (GRC) will be a member within the Information Security organization working across the business to advise, build, and operate security and compliance programs at scale. Using industry standards and best practices, an Engineering Manager (GRC) is responsible for delivering security projects, programs, and continuous compliance at scale.As an Engineering Manager (GRC), you will participate in efforts to automate, improve, and maintain security and compliance requirements, design solutions that support Harness’ risk management and security goals (automating User Access Reviews, generating SBOMs, DLP management, etc.), and collaborate directly with business and engineering teams to preserve velocity with security. You will be responsible for defining, building, documenting, and implementing technical security and compliance controls and processes, and measuring the effectiveness of those programs and controls.—As an Engineering Manager (GRC) within the Information Security organization, you will work across the business to advise, build, and operate security and compliance programs at scale. You will deliver security projects, programs, and continuous compliance using industry standards and best practices.In this role, you will automate, improve, and maintain security and compliance requirements. You will design solutions that support Harness’ risk management and security goals, such as automating User Access Reviews, generating SBOMs, and managing DLP. You will collaborate directly with business and engineering teams to preserve velocity with security. Additionally, you will define, build, document, and implement technical security and compliance controls and processes, and measure their effectiveness. About the role<ul><li>Design and develop GRC tools and utilities for internal and external stakeholders (IAM and Customer Trust Automation).</li><li>Design and operate technical security and compliance controls across our cloud environments, systems, and end user workstations (CIS Benchmarks, STIGs, CSPM Remediation, Workstation Vulnerability Management, Browser Security).</li><li>​​Use the Harness Software Delivery Platform to to generate SBOMs, ensure software integrity and compliance, , and support efforts to maintain Supply-chain Levels for Software Artifacts (SLSA) Level 3.</li><li>Manage Harness’ Data Loss Prevention (DLP) operations program across the organization</li><li>Manage and remediate public rating security scores from third party applications.</li><li>Become the Harness Platform subject matter expert, from the GRC perspective, to help generate Customer Trust collateral and whitepapers.</li></ul>About you<ul><li>You have at least 7 years of relevant industry experience.</li><li>You have previous experience in a cloud-native environment (AWS, GCP, or Azure);</li><li>You want to work in a high-growth environment and build new programs from scratch;</li><li>You are a self starter and able to work independently with little supervision</li><li>You are proactive, results driven, an excellent collaborator and communicator.</li><li>You care about the details, and are willing to ask questions when you’re unsure; and,</li><li>You are comfortable handling the unknown, and seek to bring clarity in ambiguous situations.</li><li>You are able to articulate complex and technical issues into business language</li><li>You are an expert in python, javascript, and/or other languages</li><li>You have exposure to or experience with Kubernetes, SBOMs, SLSA, DLP, and OPA</li></ul>

Harness is a high-growth company that is disrupting the software delivery market. Our mission is to enable the 30 million software developers in the world to deliver code to their users reliably, efficiently, securely and quickly, increasing customers’ pace of innovation while improving the developer experience. We offer solutions for every step of the software delivery lifecycle to build, test, secure, deploy and manage reliability, feature flags and cloud costs. The Harness Software Delivery Platform includes modules for CI, CD, Cloud Cost Management, Feature Flags, Service Reliability Management, Security Testing Orchestration, Chaos Engineering, Software Engineering Insights and continues to expand at an incredibly fast pace. Harness is led by technologist and entrepreneur Jyoti Bansal, who founded AppDynamics and sold it to Cisco for $3.7B. We’re backed with $425M in venture financing from top-tier VC and strategic firms, including J.P. Morgan, Capital One Ventures, Citi Ventures, ServiceNow, Splunk Ventures, Norwest Venture Partners, Adage Capital Partners, Balyasny Asset Management, Gaingels, Harmonic Growth Partners, Menlo Ventures, IVP, Unusual Ventures, GV (formerly Google Ventures), Alkeon Capital, Battery Ventures, Sorenson Capital, Thomvest Ventures and Silicon Valley Bank. The Harness Engineering team is seeking a Principal Engineer to lead complex cross platform initiatives and lead technical projects across geographies. Principal Engineers are recognized experts in Harness’ technology domain, and represent the senior technical leadership within their organization. Principal Engineers carry the responsibility of steering the course for their organizational segment, partnering with senior leadership, prioritizing initiatives to achieve a range of objectives. Principal Engineers at Harness - Poses a careful blend of domain specific engineering expertise and world class technical leadership. There are a number of competencies that a Principal Engineer must display. Technical Competencies<ul><li>In depth tactical knowledge of the domain, yet broad experience and skill sets </li><li>Domain and product expert when representing harness with customers and internal teams alike. </li><li>Seamlessly include, promote and balance cross functional inputs from Product, Design, Enablement</li><li>Break down complex technical requirements to motivate and lead cross-functional teams </li><li>Consider the execution needed today, into the future, make investments aligned with broader impact </li></ul> Leadership Competencies<ul><li>Demonstrable experience in executing on one, or multiple roadmap through working with others, finding the ROI in organized efforts</li><li>Subject matter and domain expertise applied to develop others internal and external to Harness</li><li>In depth understanding of product features and roadmaps, how customers engage with the product in your space </li><li>Clear displays of improving execution via process optimization, or other means </li><li>Natural advisor to leadership on resourcing constraints, efficiencies. </li><li>Practice and evangelize Harness core values</li><li>Participate and contribute to Architecture Committees, Hiring Committees, and others that are formed to solve issues across the org, and company </li></ul> Responsibilities<ul><li>Coordinates and proposes collaborative efforts across multiple teams in engineering, guiding team members to make well-informed decisions that align with the strategic plans of the respective sub-department.</li><li>Proactively seeks to prevent redundant efforts, taking existing assets and hardening them for broad re-usability</li><li>Apply your expertise in a mentorship capacity, to others in the organization. Champion a culture of improvement. </li><li>Participate in resource planning, project mapping, and success criteria for large engineering initiatives</li><li>Responds swiftly to the needs of today. Plan diligently for the needs of tomorrow</li><li>Solve the most difficult technical problems at Harness. </li><li>Interfaces with senior engineering leadership on project deliverables and planning. Create visibility and presents to executives when needed </li><li>Lead and inspire innovation at the highest order across Harness’ portfolio of products and services</li><li>Propose POCs and optimizations regularly</li><li>Align the goals of module sub-teams with the overall goals of Harness Engineering</li><li>Gather escalations from your project team, remove blockers, enable your project team, broker solutions with cross functional engineering leadership</li><li>Represent your project to external customers, partners or other stakeholders.</li><li>You are the Harness SME for most, if not all domains in your area of expertise</li></ul> Requirements<ul><li>10+ years of non-internship professional software development experience</li><li>Knowledge of object-oriented design, data structures, and algorithms</li><li>Deep hands-on technical expertise in at least one major technical area: Modern Software Delivery, building complex distributed systems</li><li>Demonstrable experience in advanced Java, Golang, or comparable programing languages.</li><li>Depth of experience in distributed systems </li><li>Advanced Computer Science degree, or equivalent experience. </li></ul> Work LocationThis position is a hybrid role that will require the person to work from our Bangalore Office 3 days a week.

Harness is a high-growth company that is disrupting the software delivery market. Our mission is to enable the 30 million software developers in the world to deliver code to their users reliably, efficiently, securely and quickly, increasing customers’ pace of innovation while improving the developer experience. We offer solutions for every step of the software delivery lifecycle to build, test, secure, deploy and manage reliability, feature flags and cloud costs. The Harness Software Delivery Platform includes modules for CI, CD, Cloud Cost Management, Feature Flags, Service Reliability Management, Security Testing Orchestration, Chaos Engineering, Software Engineering Insights and continues to expand at an incredibly fast pace.Harness is led by technologist and entrepreneur Jyoti Bansal, who founded AppDynamics and sold it to Cisco for $3.7B. We’re backed with $425M in venture financing from top-tier VC and strategic firms, including J.P. Morgan, Capital One Ventures, Citi Ventures, ServiceNow, Splunk Ventures, Norwest Venture Partners, Adage Capital Partners, Balyasny Asset Management, Gaingels, Harmonic Growth Partners, Menlo Ventures, IVP, Unusual Ventures, GV (formerly Google Ventures), Alkeon Capital, Battery Ventures, Sorenson Capital, Thomvest Ventures and Silicon Valley Bank.Position SummaryThis is an amazing opportunity to be an early engineer in a high-growth, high-potential startup. In this role is in CD team where you will be responsible for designing, developing and delivering the frontend user interface of Harness.Key Responsibilities<ul><li>Design, develop, and maintain critical software in a fast-paced quality conscious environment.</li><li>Author software functional specifications and design documents</li><li>Quickly understand complex systems/code and own key pieces of the system, including the delivered quality</li><li>Design and implementation of scalable algorithms.</li><li>Diagnose and troubleshoot complex problems in a distributed computing environment.</li><li>Perform peer reviews of specifications, designs, and code.</li><li>Work alongside Site Reliability Engineers and cross-functional teams to diagnose/troubleshoot any production performance-related issues.</li><li>You will own the End-to-end cycle of design, development, deployment and own the service in terms of monitoring, observability, scaling, reliability etc.</li><li>We work in Java and Python. Our systems are built on top of Java, React, Docker, Kubernetes, PostgreSQL, Elasticsearch, GCS.</li></ul>About You<ul><li>Passion for designing elegant experiences that are approachable and just a bit playful.</li><li>Extensive experience with JavaScript and other Front End technologies such as HTML and CSS</li><li>Experience with any of ReactJS, AngularJS, BackboneJS, KnockoutJS, or EmberJS.</li><li>Experience with responsive design and deep understanding of object-oriented design.</li><li>Experience with performance debugging and benchmarking.</li><li>Expertise in turning a design into cleanly architected HTML and CSS.</li><li>Entrepreneurial spirit, priding yourself on getting things done with a high level of quality</li><li>Strong desire to work in an unstructured, fast moving startup environment</li><li>Tech degree in CS or equivalent with 3-6 years of industry experience</li></ul>Work LocationThe successful candidate will be expected to be in Harness' Bangalore office 3x / week.What you will have at Harness<ul><li>Competitive compensation</li><li>Comprehensive healthcare benefits</li><li>Employee Assistance Program (EAP)</li><li>Paid Time Off and Parental Leave</li><li>Monthly, quarterly, and annual social and team-building events</li><li>Recharge & Reset Program</li><li>Monthly internet reimbursement</li><li>Commuter benefits</li></ul>Harness In The News<ul><li><a>Harness Grabs a $150m Line of Credit</a></li><li><a>Welcome Split!</a></li><li><a>Harness Recognized in Inc.'s Best Workplace Awards 2022</a></li><li><a>Harness on LinkedIn: America's Great Companies to Work For -- And What You Can Learn From</a></li><li><a>#6 - Glassdoor Best Places to Work 2021 list</a></li><li><a>#17 on Forbes Top 50 Cloud Companies to Work For</a></li><li><a>#47 on LinkedIn’ Top 50 Companies to Work For</a></li><li><a>#2 on Quartz 2021 list best places to work for remote workers</a></li><li><a>2021 Career Launching Companies List</a></li></ul>All qualified applicants will receive consideration for employment without regard to race, color, religion, sex or national origin.

Harness Interview Questions

Harness Interview Guides

Harness Interview Questions

Harness Salaries by Position

Harness Opening Jobs