Senior Software Engineer

Company Overview: Jane Technologies is an MIT-founded eCommerce company in the cannabis industry experiencing rapid growth. We believe in cannabis's ability to bring well-being, health, and love to the world, and our mission is to bring confidence to the online cannabis shopping experience. Our platform connects consumers with local dispensaries and brands, creating a seamless shopping experience and delivering industry-leading insights to our retail, brand, and integration partners. Dispensaries use Jane to sell cannabis products compliantly and efficiently. Brands plug into the platform to reach shoppers via personalized sponsored content. Shoppers engage with Jane’s online menus to make purchasing decisions via rich product content and verified reviews. These services come together to form a tightly integrated ecosystem - creating diversified revenue streams for Jane and a win-win-win equation for the industry. Learn about our team, our culture, and if Jane is the right fit for you. Check out our company at: About Us: We are a small close-knit team of highly technical engineers with diverse backgrounds. Our engineering culture values lean development and data-driven practices. Together, we are building a robust, feature-rich, and easy-to-use eCommerce platform that powers online shopping for thousands of dispensaries and brands. We’re AI-enabled, not AI-driven. AI tools (Claude, AI-assisted reviews, generated plans) are part of how we work, but the engineering judgement behind every decision is human. What You Will Do Implement, test and maintain new user-facing functionality on our eCommerce platform Build scalable backend services and APIs that power our web applications Partner with other senior engineers to contribute to high level decisions about the architecture and design. Engage with Product Managers to make Jane's eCommerce storefront offerings sound, robust, and easy to use. Help communicate and implement best practices across the engineering team. Collaborate closely with Product Managers, Designers, and other Engineers through design reviews, feature planning, and code reviews. Identify and resolve performance bottlenecks. Qualifications 4+ years of professional software engineering experience in a product-centered team. Demonstrates senior-level ownership: independently navigates ambiguity and proactively moves work forward without waiting for direction. Experience building frontend React applications, ideally in eCommerce, marketplaces, or high-traffic consumer web. Hands-on with one or more of: product discovery and search/browse experiences, cart and checkout flows, or performance optimization for conversion-critical pages. You understand the constraints that make eCommerce frontend distinct: SEO best practices for organic discovery at scale, and building embedded or white-label experiences that perform seamlessly across many partner sites and brands. Systems-level problem solver: comfortable navigating ambiguous, high-complexity challenges across distributed systems and infrastructure. Strong Computer Science fundamentals: data structures, algorithms, and code design principles. Proficiency in Javascript/Typescript and React, with a demonstrated ability to pick up new languages and adapt to a rapidly evolving stack. Experience with Ruby on Rails is preferred but not required, and server-side JavaScript experience is a plus. Base level familiarity with relational databases. Strong technical communication: expresses ideas clearly through well-crafted code, written documentation, and team communication with both technical and non-technical audiences Collaborative by nature: as eager to mentor and share knowledge as to learn from others, with a genuine passion for craft and how great software gets built $170,000 - $205,000 a year The compensation range for this position is $170,000-$205,000 annually in addition to benefits and equity. The starting compensation is based on various factors such as skills, experience, training, and business needs. The range of a role and compensation provides the opportunity to progress as you grow and develop at Jane. Our Benefits: Great compensation package and equity Health, Dental, Vision, 401k, Unlimited PTO, and home office stipend Jane Technologies is proud to be an equal opportunity employer and committed to providing employment opportunities regardless of race, religious creed, color, national origin, ancestry, physical disability, mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, pregnancy, childbirth and breastfeeding, age, sexual orientation, military or veteran status, or any other protected classification, in accordance with applicable federal, state, and local laws. EOE, including disability/vets. Jane Technologies, Inc. participates in the federal government’s E-Verify program, which confirms employment authorization of all newly hired employees in conjunction with the Form I-9 Employment Eligibility Verification. E-Verify is not used as a tool to pre-screen candidates. For up-to-date information on E-Verify, go to and click on 'E-Verify' located near the bottom of the page. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.