Software Engineer IV

HackerOne is the global leader in human-powered security, harnessing the creativity of the world’s largest community of security researchers with cutting-edge AI to protect your digital assets. The HackerOne Platform combines the expertise of our elite community and the most up-to-date vulnerability database to pinpoint critical security flaws across your attack surface. Our integrated solutions, including bug bounty, pentesting, code security audits, spot checks, and AI red teaming, ensure continuous vulnerability discovery and management throughout the software development lifecycle. Trusted by industry leaders such as Coinbase, General Motors, GitHub, Goldman Sachs, Hyatt, PayPal, and the U.S. Department of Defense, HackerOne was named a Best Workplace for Innovators by Fast Company in 2023 and a Most Loved Workplace for Young Professionals in 2024.

Senior Software Engineer IV

Position Summary
As Senior Software Engineer, you will work with Product Managers and Designers to be the technical lead for a variety of challenging projects and build delightful features and products for our community, as well as the thousands of companies who trust HackerOne with their cybersecurity posture.
When you are not leading a project, you are a collaborative and effective software engineer and team member. You will interact with one of the most vibrant communities of security researchers and hackers in the world, and use this experience to build delightful features and products for them, as well as the thousands of companies who trust HackerOne with their cybersecurity posture.

As Senior Software Engineer you combine broad technological expertise, deep domain knowledge, and an unquestionable dedication to business objectives as you intersect with the engineering organization. You seek leadership responsibilities, identify and spearhead new initiatives, and make systematic improvements to technical weaknesses they find in their squad’s codebases, and in shared codebases across the company.

Your Journey at HackerOne

• Your day will start with a warm welcome online and get your tools to start!

• Your first 30 days will be focusing on getting to know our HackerOnies. You will join your new squad and being onboarded - get to learn the technology stack (Ruby on Rails + GraphQL + ReactJS + many more)

• Within 60 days, you will have committed a bunch of code to our repositories and will start developing a knack for being a fast and effective software engineer on our codebase

• Within 90 days, you will start getting ready to lead your first project as Senior Software Engineer - you will have branched out and talked to Sales, Marketing and various other functions, and developed a good sense of cross-functional collaboration and communication

• Beyond 90 days, you will be a fully-fledged software engineer

• By that time you will be able to understand the business value of our products and features, and the needs of our customers

• And you are able to translate feature requests into simple, but robust engineering (or non-engineering) solutions

You are:

• At first, a tech-savvy person who likes to work with people and teams

• A team builder and you cultivate innovation. You can drive cross-collaboration and execution of projects across multiple teams

• Willing to learn from other Senior and Staff Software Engineers

• based remotely in UK, or Poland.HackerOne is a digital-first company. This model offers our employees flexibility in time and location. You must be able to work and excel in a remote environment.

• Owner of your own progress as a individual. 

You have:

• 8+ years of experience in full-stack software engineering, especially within a SAAS environment. Preferably with experience in Ruby on Rails, ReactJS and TypeScript, generative AI, ElasticSearch / OpenSearch, GraphQL

• Proven positive impact in your past professional experience

• Proven experience leading and delivering cross-functional projects

• Have a good sense of product management and change management

You can:

• Make an impact on a squad, project and organization

• Champion new initiatives around architectural improvements.

• Coordinate efforts around new initiatives with senior engineers, product managers, and act as team lead in defining activities of others when needed.

• Finally, you can inspire, mentor, multiply and facilitate other engineers to be successful

What is HackerOne?

HackerOne was started by hackers and security leaders who are driven by a passion to make the internet safer. HackerOne is now the #1 hacker-powered security platform, helping organizations find and fix critical vulnerabilities before they can be exploited. We partner with the global hacker community to surface the most relevant security issues of our customers before they can be exploited by criminals. More than 1,700 organizations, including the U.S. Department of Defense, General Motors, Google Play, Twitter, GitHub, Nintendo, Panasonic Avionics, Qualcomm, Starbucks, and Dropbox, trust HackerOne to find critical software vulnerabilities. 

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We're committed to building a global team! For certain roles outside the United States, U.K., and the Netherlands, we partner with Remote.com as our Employer of Record (EOR).

Employment at HackerOne is contingent on a background check.

HackerOne is an Equal Opportunity Employer in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, pregnancy, disability or veteran status, or any other protected characteristic as outlined by international, federal, state, or local laws.

This policy applies to all HackerOne employment practices, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. HackerOne makes hiring decisions based solely on qualifications, merit, and business needs at the time.

For US based roles only: Pursuant to the San Francisco Fair Chance Ordinance, all qualified applicants with arrest and conviction records will be considered for the position.

HackerOne Values

HackerOne commits to maintaining a strong, inclusive culture built for our employees and our community of hackers. We are driven by our five core values. We recognize that our mission is bigger than us, and therefore act with integrity at all times. As a team, we believe that transparency builds trust so we default to disclosure in our communications. Each individual executes with excellence, creating an environment of greater alignment and greater autonomy. We win as a team and respect all people to empower everyone to learn from each other, innovate, and grow.