Fullstack Engineer III

6sense
Bengaluru, Karnataka, IndiaPosted 24 February 2026

Job Description

<div class="content-intro"><p><strong><span data-contrast="none">Our Mission:</span></strong><span data-ccp-props="{"201341983":0,"335559685":720,"335559739":160,"335559740":259}"> </span></p> <p><span data-contrast="none">6sense is on a mission to revolutionize how B2B organizations create revenue by predicting customers most likely to buy and recommending the best course of action to engage anonymous buying teams. 6sense Revenue AI is the only sales and marketing platform to unlock the ability to create, manage and convert high-quality pipeline to revenue.</span><span data-ccp-props="{"201341983":0,"335559685":720,"335559739":160,"335559740":259}"> </span></p> <p><strong><span data-contrast="auto">Our People:</span></strong><span data-ccp-props="{"201341983":0,"335559685":720,"335559739":160,"335559740":259}"> </span></p> <p><span data-contrast="auto">People are the heart and soul of 6sense. We serve with passion and purpose. We live by our Being 6sense values of Accountability, Growth Mindset, Integrity, Fun and One Team. Every 6sensor plays a part in defining the future of our industry-leading technology. 6sense is a place where difference-makers roll up their sleeves, take risks, act with integrity, and measure success by the value we create for our customers.</span><span data-ccp-props="{"201341983":0,"335559685":720,"335559739":160,"335559740":259}"> </span></p> <p><span data-contrast="auto">We want 6sense to be the best chapter of your career.</span><span data-ccp-props="{"201341983":0,"335559685":720,"335559739":160,"335559740":259}"> </span></p></div><p><strong>Required :</strong></p> <ul> <li>4+ years of experience as a full stack engineer in tech-based companies, preferably start-ups.</li> <li>Proficient in React, JavaScript (ES6), HTML5 and CSS3.</li> <li>Proficiency in Redux and Redux Saga.</li> <li>Familiarity with frontend architecture patterns and design systems.</li> <li>Experience in Python and its ecosystem is a must.</li> <li>Should be inclined towards frontend but flexible to work on backend when there’s a need.</li> <li>Strong problem-solving skills and attention to detail.</li> <li>Comfortable working in fast-paced, iterative, and metrics-driven environments.</li> <li>Proficient understanding of code versioning tools, such as Git.</li> <li>Ability to work with complex business flows and deal with huge amounts of data.</li> <li data-stringify-indent="0" data-stringify-border="0">Knowledge of cybersecurity best practices and secure coding techniques.</li> <li data-stringify-indent="0" data-stringify-border="0">A comprehensive understanding of Computer Science concepts and ability to apply expertise in object-oriented design, multi-threaded architecture, data structures, algorithms, and cybersecurity.</li> <li data-stringify-indent="0" data-stringify-border="0">Ability to write quality, modular, maintainable, secure and testable code.</li> <li data-stringify-indent="0" data-stringify-border="0">Software Engineer will be involved in configuration, security, resilience, performance tuning and production monitoring.</li> <li data-stringify-indent="0" data-stringify-border="0">Write secure, stable, testable, maintainable code with minimal defects.</li> </ul> <p><strong>Responsibilities :</strong></p> <ul> <li>Build and ship full-stack features using React and Python.</li> <li>Implement and run experiments (A/B tests) to validate hypotheses and optimize user flows.</li> <li>Consume and design APIs(if needed) with attention to performance, reliability, and maintainability.</li> <li>Actively participate in code reviews</li> <li>Maintain code quality through code reviews, testing, and documentation.</li> <li>Interact with the Product teams, and other stakeholders implement the features.</li> <li>Mentor junior developers with best coding practices and processes.</li> </ul><div class="content-conclusion"><p><strong><span data-contrast="auto">Our Benefits:</span></strong><span data-ccp-props="{"201341983":0,"335559685 ... (truncated, view full listing at source)
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