Full Stack Software Engineer (Early Career)

About Kustomer

Kustomer is a leading conversational CRM platform enhancing customer interactions through intelligent AI, automation, no-code configuration, and a unified data timeline. Serving brands like Sweetgreen and Starz, Kustomer empowers businesses to deliver personalized, efficient customer service across various channels. Founded in 2015 and backed by significant venture funding, Kustomer joined Meta in 2022 before spinning out as an independent company supported by multiple investors. The company emphasizes growth, product innovation, and expanding its AI-native platform with a passionate, collaborative team working remotely across the U.S. and U.K.

Role Summary

We are seeking a Full Stack Software Engineer to join a 3–5 person Pod within our Engineering team. This role involves end-to-end delivery of high-priority projects using technologies such as Node.js, React, Golang, and AWS. The engineer will contribute to improving performance, shipping new features, and evolving our architecture, with a strong focus on integrating AI-powered capabilities. Collaboration with product, design, and senior engineers is essential, alongside participation in code reviews, production support, and continuous learning using AI tools.

Key Responsibilities

• Develop end-to-end full-stack features in a collaborative Pod environment using technologies like Node.js, React, Golang, MongoDB, ElasticSearch, and AWS.
• Design and maintain APIs, integrating with external services and databases ensuring data security and integrity.
• Create front-end interfaces emphasizing user experience, responsiveness, and accessibility.
• Engage in AI-powered feature development and gradually increase contribution as expertise grows.
• Collaborate with product managers and senior engineers to interpret requirements and influence design and UX decisions.
• Implement thorough unit and integration testing practices from the outset.
• Participate actively in code reviews to provide and gain constructive feedback.
• Share responsibilities in production support, including on-call rotations and bug triage to gain real-world software operation experience.
• Continuously explore new AI tools and full-stack development techniques to enhance the team's capabilities.
• Quickly ramp up on unfamiliar code areas with the support of AI tools, documentation, and team collaboration.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or related field, or equivalent hands-on project or internship experience.
• Strong passion for software craftsmanship demonstrated by personal projects, hackathons, or open source contributions.
• Good foundational knowledge of data structures, algorithms, and system operations with eagerness to deepen understanding.
• Comfortable working on frontend and backend, or a solid foundation in one with interest in expanding skills.
• Familiarity or strong interest in modern AI developer tools such as Cursor or Claude Code.
• Proactive learning approach: reading documentation, tracing code, asking insightful questions, and contributing quickly.
• Ownership mindset with commitment to quality and impact beyond just completing tasks.
• Bonus: Experience with AI/ML projects, exposure to AI APIs or frameworks like OpenAI or LangChain, and an active GitHub presence showcasing curiosity and learning.

Additional Information

Compensation: Estimated salary range is $90,000 to $115,000 annually plus equity; actual pay depends on various factors including skills and experience.

HIPAA Compliance: This role may involve handling sensitive personal data, requiring strict adherence to privacy standards.

Benefits: Competitive salary and stock options, full healthcare coverage in the U.S., 401K, WiFi and mobile reimbursement, generous vacation, with UK employees receiving pension and extra health insurance.

Diversity & Inclusion: Kustomer fosters an inclusive workplace welcoming applicants regardless of diverse backgrounds, identities, or legally protected statuses.

Privacy Notice: Applicants have rights to understand what personal information is collected and how it is used.

Disclaimer: Kustomer contacts candidates only from official company email addresses and never requests any payment from applicants.