Integration Engineer: Customer Developer

About Constructor

Constructor is the next‑generation platform for search and discovery in ecommerce, built to explicitly optimize for metrics like revenue, conversion rate, and profit. Its search engine is entirely invented in‑house using transformers and generative LLMs, and powers all aspects of product discovery from search to recommendations to shopping agents. The platform serves over a billion queries daily across 150 languages and about 100 countries, and is used by major ecommerce companies such as Sephora, Under Armour, and Petco.

As an Integration Engineer on our Customer Developer Experience team, you’ll own development and maintenance of open‑source UI components and client libraries that make it effortless to integrate Constructor’s product discovery platform into web and mobile apps.

• Act as a technical partner to customers during onboarding and integration, offering guidance through calls and hands‑on collaboration.
• Assist customers asynchronously by troubleshooting, reviewing implementations, and validating data quality, while proactively monitoring integration health to catch and resolve issues early.
• Ship and maintain cutting‑edge open‑source Type Script/React UI libraries that power next‑generation retail experiences worldwide.
• Expand test coverage of open‑source REST client SDKs that power billions of requests daily.
• Write clear documentation, sample apps, and tutorials that shorten time‐to‐value.
• Collaborate closely with Product Management, Customer Success, and other engineering teams to prioritize features and address customer needs effectively.
• Champion Developer Experience (DevX) by creating intuitive tools, comprehensive documentation, and reference examples for integrations.

• Remote‑first: work from anywhere.
• Cross‑functional: partner daily with Product, Data Science, and Customer Success.
• One‑week sprints, daily stand‑ups, monthly retros – lightweight processes that favor rapid continuous development.
• High trust, low‑ego culture focused on outcomes over hours.
• Continuous learning encouraged through an annual stipend and peer mentorship.

• A minimum of two years professional and/or academic experience in software engineering.
• Proficiency with JavaScript and React;
  Type Script experience a plus.
• Ability to communicate clearly in written and verbal contexts, comfortable engaging with technical and non‑technical stakeholders.
• Strong analytical and problem-solving skills, with the ability to effectively triage issues and prioritize tasks.
• Ability to learn new technologies and design patterns quickly.
• Experience with automated testing fundamentals and best practices.
• Ability to work between PST and GMT+1 time zones.
• Enjoy interacting with customers and solving new problems daily, as well as working closely with internal teams.
• Not required, but beneficial to have experience with:
  • contributing to or maintaining open‑source projects
  • Java, .NET, Python, Swift (iOS), or Kotlin (Android)

• Unlimited vacation time – we strongly encourage all employees to take at least three weeks per year.
• Fully remote team – choose where you live.
• Work from home stipend.
• Apple laptops provided for new employees.
• Training and development budget for every employee, refreshed each year.
• Maternity and paternity leave for qualified employees.
• Work with smart people who will help you grow and make a meaningful impact.
• Base salary between $80k and $120k USD, depending on knowledge, skills, experience, and interview results.
• Stock options offered in addition to the base salary.
• Regular team offsites to connect and collaborate.

we are committed to cultivating a work environment that is diverse, equitable, and inclusive. As an equal opportunity employer, we welcome individuals of all backgrounds and provide equal opportunities to all applicants regardless of their education, diversity of opinion, race, color, religion, gender, gender expression, sexual orientation, national origin, genetics, disability, age, veteran status or affiliation in any other protected group.

Studies have shown that women and people of color may be less likely to apply for jobs unless they meet every one of the qualifications listed. Our primary interest is in finding the best candidate for the job. We encourage you to apply even if you don’t meet all of our listed qualifications.