Product Engineer - Retailer Experience & Growth - Fullstack, Backend or Frontend

About Cobalt Streamworks Cobalt Streamworks is a technology wholesale platform built on the belief that the future is local. Independent retailers around the globe collectively represent a multi-hundred-billion-dollar wholesale market that has historically been fragmented and offline. At Cobalt Streamworks, we're using the power of tech, data, and machine learning to connect this thriving community of entrepreneurs across the globe. Picture your favorite boutique in town — we help them discover the best products from around the world to sell in their stores. With the right tools and insights, we believe that we can level the playing field so businesses can grow and local communities can thrive. We’re looking for smart, resourceful and passionate people to join us as we power the shop local movement. If you believe in community, come join ours. Note: We have fullstack, backend and frontend open roles across product teams in Growth that are being hired through this job posting - so please apply if you are in either role. Why Growth at Cobalt Streamworks? Growth at Cobalt Streamworks is different from growth at most companies. We're not optimizing clicks on ads or chasing short-term engagement metrics. We're helping independent retailers discover products they love, build stronger businesses, and compete in an increasingly challenging retail landscape. As a Growth Engineer, you'll work on some of Cobalt Streamworks's most important customer journeys - from a retailer's first interaction with Cobalt Streamworks through long-term engagement and success on the platform. You'll tackle complex product challenges involving discovery, onboarding, activation, retention, and marketplace dynamics. You'll operate as a true product engineer, partnering closely with Product, Design, Data Science, Analytics, and Marketing to identify opportunities, launch experiments, and measure outcomes. The team moves quickly, but with the scale and complexity of a global marketplace serving hundreds of thousands of businesses. This role offers a rare combination of customer impact, business impact, and technical ownership. You'll see the results of your work directly in the experience retailers have on Cobalt Streamworks and in the growth of the businesses we serve. About this role: Cobalt Streamworks is helping independent retailers thrive in a world increasingly dominated by large chains and marketplaces. Every day, hundreds of thousands of retailers use Cobalt Streamworks to discover unique products, connect with brands, and grow their businesses. As a Senior Engineer on our Growth team, you'll build products and experiments that directly influence how retailers discover, adopt, and engage with Cobalt Streamworks. Your work will sit at the intersection of product, engineering, data science, design, and marketing, giving you an unusual level of visibility into both customer outcomes and business impact. Growth is one of Cobalt Streamworks's most important strategic areas. You'll identify opportunities, develop hypotheses, launch experiments, and use data to determine what works. Whether you're improving onboarding, increasing engagement, driving retention, or helping retailers realize value faster, you'll see the results of your work reflected in meaningful business metrics. This is an ideal role for engineers who enjoy combining technical excellence with product thinking. You'll have significant ownership, move quickly from idea to launch, and help shape the future of one of Cobalt Streamworks's most important product areas. What you'll do: Own high-impact initiatives that improve retailer acquisition, activation, engagement, and retention Design, build, and iterate on experiments that influence key business outcomes Partner closely with Product, Design, Data Science, Analytics, and Marketing to identify growth opportunities and execute on them Collaborate with Marketing to optimize campaigns, paid spend, and marketing tech Use data to understand customer behavior, evaluate experiment results, and guide future investments Build scalable systems and product experiences that support Cobalt Streamworks's continued growth Contribute to technical strategy while maintaining a high bar for engineering quality, performance, and reliability What success looks like: Within your first 6–12 months, you will: Launch and iterate on multiple growth experiments Become a trusted partner to product, design, and data science stakeholders Improve one or more key retailer growth metrics Lead a significant initiative from concept through launch and measurement Influence the roadmap and strategy for retailer growth at Cobalt Streamworks Qualifications: We're looking for engineers who are excited about building products that create measurable customer and business impact. You may be a great fit if you have: 3+ years of professional software engineering experience Strong experience building backend systems or modern frontend applications A track record of shipping customer-facing products and driving meaningful outcomes Excellent problem-solving and collaboration skills Comfort working in fast-moving, highly cross-functional environments Curiosity about customer behavior, experimentation, and data-informed decision making Strong product instincts — you think about the user and the business, not just the implementation. Bonus points for: Experience with growth, experimentation, marketplace, or consumer product teams Experience designing and analyzing A/B tests Familiarity with product analytics and experimentation platforms Experience working on products at significant scale Experience working with Marketing or Paid Spend Optimization Don't meet every qualification? We know great candidates come from many different backgrounds and experiences. If you're excited about the role, we'd encourage you to apply. Technologies we use & teach: Experience with similar technologies is welcome - you don’t need experience with our exact stack. Frontend development (e.g., React, TypeScript/JavaScript, modern UI frameworks, performance optimization). Backend: Kotlin, Java, Guice, Jersey, Hibernate Datastores: MySQL, CockroachDB Infrastructure & Cloud: AWS (EC2, S3, RDS), Docker APIs & Data: HTTP, REST, JSON, Protocol Buffers Experimentation & Growth: Feature flagging systems, A/B testing frameworks, traffic ramping tools Salary range: Canada: the pay range for this role is $129,500 - $ 178,000 per year. This role will also be eligible for equity and benefits. Actual base pay will be determined based on permissible factors such as transferable skills, work experience, market demands, and primary work location. The base pay range provided is subject to change and may be modified in the future. Hybrid Cobalt Streamworks employees currently go into the office 3 days per week on Tuesdays, Thursdays, and a third flex day of their choosing (Monday, Wednesday, or Friday). Additionally, hybrid in-office roles will have the flexibility to work remotely up to 4 weeks per year. Specific Workplace and Information Technology positions may require onsite attendance 5 days per week as will be indicated in the job posting. Why you’ll love working at Cobalt Streamworks Move fast: You'll own meaningful problems that serve customers around the globe with the agency to move fast and see your results clearly. Equipped to scale: We invest in what matters, including the latest enterprise AI tools, to help you work smarter and get more out of every day. Best in class: Our team is full of sharp, kind, and generous colleagues who care about their craft and about helping you grow in yours. Real rewards. Competitive pay, equity, and comprehensive benefits designed to support your life inside and outside of work. Belonging: We're intentional about building an environment where every Cobalt Streamworks employee has equal access to opportunities, growth, and success. Cobalt Streamworks was founded in 2017 by a team of early product and engineering leads from Square. We’re backed by some of the top investors in retail and tech including: Y Combinator, Lightspeed Venture Partners, Forerunner Ventures, Khosla Ventures, Sequoia Capital, Founders Fund, and DST Global. We have headquarters in San Francisco and Kitchener-Waterloo, and a global employee presence across offices in Toronto, London, and New York. To learn more about Cobalt Streamworks and our customers, you can read more on our blog . Cobalt Streamworks provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, sexual orientation, gender identity or gender expression. Cobalt Streamworks is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. Accommodations are available throughout the recruitment process and applicants with a disability may request to be accommodated throughout the recruitment process. We will work with all applicants to accommodate their individual accessibility needs. To request reasonable accommodation, please fill out our Accommodation Request Form ( https://bit.ly/faire-form) Privacy For information about the type of personal data Cobalt Streamworks collects from applicants, as well as your choices regarding the data collected about you, please visit Cobalt Streamworks’s Privacy Notice (https://www.faire.com/privacy)