Full-Stack Software Engineer (React + Node)

Posted 4 Days Ago
Be an Early Applicant
Tandil, Provincia de Buenos Aires
Mid level
Artificial Intelligence • Cloud • Software
Harness is the AI-native software delivery platform company.
The Role
Develop, optimize, and maintain web applications using React for front-end and Node for back-end. Enhance user experience and troubleshoot complex issues.
Summary Generated by Built In

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 Summary

This is an amazing opportunity to be a software engineer in a high-growth, high-potential startup.  In this role, you will play a crucial role in developing, optimizing, and maintaining our web applications and tools. You will work closely with PMs, designers, and other developers to build high-performance, scalable, and user-friendly web experiences that drive engagement and business growth.

This role requires expertise in React.js for front-end development and Node.js for back-end services, along with a strong understanding of performance optimization, API integrations, and cloud-based deployment.

At Harness, we believe in a UX-first engineering approach across the organization. In this role, you will be responsible for writing clean, killer code to create fantastic and user-friendly experiences. You will be involved in all aspects of product design and user experience and will lead turning wireframes into polished and beautiful user interfaces

About the role

  • Produce high quality software solutions
  • Effectively communicate technical plans
  • Front-end and back-end development of Harness products/tools
  • Optimize database performance and ensure robust data security
  • Diagnose and troubleshoot complex problems 
  • Implement prototypes, incubate new products
  • And we get to play with new things with core technologies

About you

  • Passion for designing elegant experiences that are approachable and just a bit playful.
  • A desire to build products that solve complex problems for end users
  • Strong desire to work in an unstructured, fast moving startup environment
  • Comfort in working in short, agile, iterative development cycles
  • Entrepreneurial spirit, priding yourself on getting things done with a high level of quality
  • Commitment to exquisite craftsmanship
  • Enthusiasm and positive energy (bring it!)
Work Location
  • Hybrid from our office in Tandil, Argentina  

What you will have at Harness

  • Competitive salary
  • Comprehensive healthcare benefits
  • Flexible Spending Account (FSA)
  • Flexible work schedule
  • Employee Assistance Program (EAP)
  • Flexible Time Off and Parental Leave
  • Monthly, quarterly, and annual social and team building events
  • Monthly internet reimbursement



Harness in the news:
  • Harness Grabs a $150m Line of Credit
  • Welcome Split!
  • SF Business Times - 2024 - 100 Fastest-Growing Private Companies in the Bay Area
  • Forbes - 2024 America's Best Startup Employers
  • SF Business Times - 2024 Fastest Growing Private Companies Awards
  • Fast Co - 2024 100 Best Workplaces for Innovators

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex or national origin.

Note on Fraudulent Recruiting/Offers

We have become aware that there may be fraudulent recruiting attempts being made by people posing as representatives of Harness. These scams may involve fake job postings, unsolicited emails, or messages claiming to be from our recruiters or hiring managers. 

Please note, we do not ask for sensitive or financial information via chat, text, or social media, and any email communications will come from the domain @harness.io. Additionally, Harness will never ask for any payment, fee to be paid, or purchases to be made by a job applicant. All applicants are encouraged to apply directly to our open jobs via our website. Interviews are generally conducted via Zoom video conference unless the candidate requests other accommodations.

If you believe that you have been the target of an interview/offer scam by someone posing as a representative of Harness, please do not provide any personal or financial information and contact us immediately at [email protected]. You can also find additional information about this type of scam and report any fraudulent employment offers via the Federal Trade Commission’s website (https://consumer.ftc.gov/articles/job-scams), or you can contact your local law enforcement agency.

Top Skills

Api Integrations
Cloud-Based Deployment
Node.js
React
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The Company
HQ: San Francisco, CA
900 Employees
Hybrid Workplace
Year Founded: 2017

What We Do

Harness is a leader in AI-native software delivery, dedicated to empowering developers and engineering teams worldwide. We revolutionize how software is built, tested, deployed, and optimized by driving efficiency, reliability, and speed throughout the software development lifecycle. At Harness, we envision a world where developers focus on innovation, free from repetitive tasks, supported by tools that streamline every step.

Our platform leverages AI and automation across all key pillars of software delivery: Continuous Integration, Continuous Delivery, Feature Flags and Experimentation, Cloud Cost Management, Security Testing, and more. By automating traditionally manual processes that slow down engineering teams, Harness enables organizations to release software faster, reduce errors, and optimize costs—all while enhancing the developer experience and flexibility.

Harness is transforming software delivery on a global scale. As a pioneer in AI-driven automation, we streamline complex development processes, eliminate inefficiencies, and empower developers to innovate freely. Our mission is ambitious: enabling millions of developers to deliver code faster, more reliably, and with greater ease than ever before.

Why Work With Us

Harness is built on a culture of growth, collaboration, and transparency, where team members are encouraged to push boundaries and solve meaningful challenges. We invest in personal and professional development, value work-life balance, and foster a supportive environment—making Harness an ideal place to make a real impact in tech.

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