Software Engineer, Full Stack (Backend)

About KustomerKustomer is the industry leading conversational CRM platform perfecting every customer experience. Built with intelligent tools such as AI and Automation, no code-configuration and a connected data platform that unifies data from multiple sources through a single timeline, Kustomer empowers businesses to operate with greater efficiency and deliver more personalized service to customers across any channel, making every interaction more meaningful and memorable. Today, Kustomer is the core platform for leading brands like Abercrombie, Nuts.com, Skims, Turo, Priceline and Sweetgreen.Kustomer was founded in 2015 by serial entrepreneurs Brad Birnbaum and Jeremy Suriel and has raised over $200M in funding backed by leading VCs. Meta announced its intention to acquire Kustomer in 2020 and completed the transaction in 2022. Kustomer joined Meta’s Business Messaging Group to transform the way people and businesses communicate through modern messaging channels. In 2023, Kustomer spun out from Meta as a standalone company backed by original partners, Battery, Redpoint and Boldstart Ventures, who have invested $60M in capital, ensuring Kustomer’s growth and success for many years to come.Our Krew is made up of passionate and collaborative people who really care about what they do and the people they help. We look for people who are dedicated to enhancing the customer service experience for everyone involved, as it's the core of what we do. We're growing our business with no plans of slowing down. We actively seek individuals who want to learn and be challenged every day. Kustomer has a strong NYC presence and is also a remote friendly company, with Krew members located throughout the US. We believe in togetherness to help foster strong relationships, collaboration and communication, and our Krew gets together for Kamp Kustomer each year.About the RoleKustomer is looking for a Full Stack Engineer with an emphasis on backend development. While the primary focus will be on our backend systems, this role will also require the ability to collaborate on the architecture and development of user interfaces for our complex web applications. We're building our product in JavaScript, using some of the latest technologies like Node.js, MongoDB, and React. We believe in ownership and are looking for people driven to continuously ship new, impactful features and capabilities for our users.What You’ll Do:Design, develop, and deploy robust and scalable full-stack web applications using Node.js, React, MongoDB, and AWS.Work across real-time event driven systems, managing high volumes of data.Collaborate with cross-functional teams, including product managers, designers, and other engineers, to understand project requirements and translate them into technical solutions.Build efficient and reusable backend and frontend components and libraries.Develop APIs and integrate with external services and databases, ensuring data integrity and security.Write clean, maintainable, and well-documented code following best practices and coding standards.Optimize application performance by implementing caching mechanisms, efficient algorithms, and database indexing.Conduct thorough testing, including unit testing and integration testing, to ensure the quality and reliability of the application.Collaborate with DevOps engineers to deploy and maintain applications on AWS, ensuring high availability and scalability.Monitor and troubleshoot production issues, providing timely resolutions and proactive bug fixes.Stay up to date with the latest industry trends, tools, and technologies related to full-stack development and propose improvements to the development process.Conduct code reviews, provide constructive feedback, and mentor junior developers to ensure code quality and continuous improvement.Collaborate effectively with team members using agile methodologies, participate in sprint planning, and contribute to the overall success of the development team.Your qualifications:6+ years of software development experience.Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).Expertise in one of the modern server-side languages such as Java, Go, Python, Node.js.Strong proficiency with NoSQL databases, particularly MongoDB, including data modeling and query optimization.Strong understanding of software engineering principles, design patterns, and best practices for building scalable and maintainable code.Experience with RESTful API development, integrating with external services and databases.Familiarity with cloud platforms, such as AWS or Azure, and experience with cloud services like AWS Lambda or Firebase.Familiarity with version control systems, such as Git, and collaborative development workflows.Ability to diagnose and debug complex issues, optimize application performance, and identify areas for improvement.Nice To Have:You have Github activity showing thoughtful, relevant contributions.Strong proficiency in AWS services such as EC2, S3, Lambda, API Gateway, and CloudFormation.Experience with testing frameworks and methodologies (e.g., Jest, Mocha, Selenium) and a focus on code quality through unit testing and integration testing.Familiarity with containerization technologies like Docker and container orchestration frameworks like Kubernetes.Familiarity with CI/CD pipelines and automation tools for building, testing, and deploying applications.Familiarity with HTML, CSS, and front-end development principles, including responsive design and cross-browser compatibility.Familiarity with Agile methodologies and working in an agile team environment.Familiarity with authentication and authorization mechanisms (e.g., OAuth, JWT).BenefitsKustomer offers an array of benefits including competitive salaries, stock options, 100% healthcare coverage, 401K, WiFi and Mobile reimbursement, and a generous vacation policy.Diversity & Inclusion at KustomerKustomer is committed to bringing together individuals from different backgrounds and perspectives. We strive to create an inclusive environment where everyone can thrive, feel a sense of belonging, and do great work together. We are proud to be an equal opportunity employer open to all qualified applicants regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, Veteran status, or any other legally protected status.Disclaimer:

Kustomer only contacts candidates from company email addresses ending in kustomer.com and does not seek funds from candidates in any circumstances.

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