Senior Software Engineer

HackerOne is a global leader in offensive security solutions. Our HackerOne Platform combines AI with the ingenuity of the largest community of security researchers to find and fix security, privacy, and AI vulnerabilities across the software development lifecycle. The platform offers bug bounty, vulnerability disclosure, pentesting, AI red teaming, and code security. We are trusted by industry leaders like Amazon, Anthropic, Crypto.com, General Motors, GitHub, Goldman Sachs, Uber, 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.

HackerOne is at a pivotal inflection point in the security industry. Offensive security is no longer optional – it is the standard for forward-thinking companies that want to build trust and resilience in a world where AI-driven innovation and adversaries are moving faster than ever. With the industry shifting, HackerOne stands apart: we combine the ingenuity of the largest security research community with a best-in-class AI-powered platform, trusted by the world’s top organizations.

HackerOne Values

HackerOne is dedicated to fostering a strong and inclusive culture. HackerOne is Customer Obsessed and prioritizes customer outcomes in our decisions and actions. We Default to Disclosure by operating with transparency and integrity, ensuring trust and accountability. Employees, researchers, customers, and partners Win Together by fostering empowerment, inclusion, respect, and accountability.

Senior Software Engineer

Job Location : Pune, India

Work Model : 3-4 days in a week from office

Position Summary

As the Software Engineer IV, you will work with the team's seniors, Product Managers, and Designers. You’ll also collaborate closely with our Pune in-office Customer Operations team and teams in the Netherlands and North America to solve real-world problems for our global customers.

As the most senior engineer in the team, you will be responsible for leading the team day to day. Together with the Senior Engineering Manager, you will build excellent capabilities to serve your customers.

You’ll combine your technological expertise, domain knowledge, and an unquestionable dedication to business objectives as you intersect with the engineering organisation. You identify and make systematic improvements to technical weaknesses you’ll find in your squad’s codebases, and in shared codebases across the company.

As we open our new office in Pune, India, we’re excited to welcome team members who value in-person connection, collaboration, and shared purpose. All roles in Pune are hybrid by design – remote options are not available. For the types of challenges we’ll tackle and the work we’ll do together, we believe in-person connection will be essential to building strong relationships, solving problems effectively, and fostering a vibrant community.

As a fully integrated part of HackerOne’s global team, the Pune office will play a meaningful role in advancing our culture and mission. At HackerOne, we Win Together – and our Pune team will help lead the way by shaping a dynamic, in-person culture rooted in purpose and partnership.

What You Will Do

• Your first month
• will be spent getting to know our company and your fellow HackerOnies through our well-organised and fun onboarding process called H.A.T.C.H.
• You will set up your development environment, get a feel for our engineering processes, and embark on a journey to fully understand the domain you will be working with.
• By day 30
• you will have met most of your fellow Engineering HackerOnies, you will have paired with other Software Engineers, you will have a strong feel for our codebases and Security Talent Management products, and you will be prepared to start hands-on coding.
• By day 60
• you will be involved in building a meaningful part of one of the projects and will have become more connected with our community and various stakeholders.
• By day 90
• you’ll have impressed your colleagues with your technical contributions and earned trust and credibility within your squad and the whole Engineering team by presenting your progress during our review/demo sessions.
• Your experience from here is yours to own. You could lead an important new project and work hand-in-hand with our principal engineer and designer. You could innovate during a Hack Week by building something amazing that solves a problem for another team.
  
  

Long term, you will:

• Work as a project lead together with stakeholders, designers and product leaders
• Build, ship and maintain highly available, performant and durable features, focused on (but not limited to) hacker-facing areas of our platform
• Work with your team to deliver key results for impactful objectives
• Be a part of cross-squad initiatives
• Mentor and be mentored by other engineers
  
  

Who Are You

• At first, a tech-savvy person who likes to work with people and teams
• Willing to learn from Senior and Staff Software Engineers
• Owner of your progress as an individual.
• You bring 8+ years of software development experience within a modern SaaS environment.
• You’re proficient in dynamically typed, OOP languages such as JavaScript, Python, Ruby or similar languages (but you should be willing to learn Ruby on Rails).
• You have 5+ years of practical SQL experience (PostgreSQL preferred).
• You’ve worked extensively with cloud platforms (5+ years, AWS preferred), enabling scalable and automated infrastructure.
• You have hands-on experience with ReactJS or similar modern front-end frameworks.
• You’ve led end-to-end technical projects through all phases of the software development lifecycle, and are now looking to apply that experience toward building intelligent, automated, and AI-enhanced security products.
  
  

Preferred Qualifications

• Ruby on Rails
• React JS
• PostgreSQL
• GraphQL
• Amazon Web Services
• Ability to coordinate efforts around new initiatives with senior engineers and product managers.
  
  

Interview plan

• Assessment test (coding)
• Hiring Manager round
• Technical Interview 1 - Coding
• Technical Interview 2 - System Design
  
  

Compensation Ranges

INR 36 LPA - 40 LPA

Job Benefits:

• Health (medical, vision, dental), life, and disability insurance*
• Equity stock options
• Retirement plans
• Paid public holidays and unlimited PTO
• Paid maternity and parental leave
• Leaves of absence (including caregiver leave and leave under CO's Healthy Families and Workplaces Act)
• Employee Assistance Program
• Flexible Work Stipend
• Eligibility may differ by country
  
  

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).

Visa/work permit sponsorship is not available.

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.