--- title: 'Senior Full Stack Engineer II (Backend Leaning) at LeafLink' canonical: 'https://feeny.ai/job/senior-full-stack-engineer-ii-backend-leaning-leaflink-remote-y3kdcx76bzcb' type: 'job' last_seen: '2026-09-13' --- # Senior Full Stack Engineer II (Backend Leaning) at LeafLink - **Company:** LeafLink - **Location:** Remote - **Compensation:** $145k–$200k - **Work type:** remote - **Posted:** 2026-07-25 - **Last confirmed live:** 2026-09-13 - **Apply:** https://job-boards.greenhouse.io/leaflink/jobs/8649615002 ## Job description ## About LeafLink LeafLink is the largest unified B2B cannabis platform, providing licensed cannabis businesses a suite of tools to manage their business more effectively, sell or order from their favorite brands and accelerate growth. We are one platform, one solution and we’re defining the way thousands of cannabis brands, distributors, and retailers streamline their operations. With thousands of brands and retailers across 30+ markets in North America, we are setting the industry standard for how cannabis businesses grow together. LeafLink processes more than $5 billion in wholesale cannabis orders annually. Our team, backed by funding from leading VC's, including Founders Fund, Thrive Capital, Nosara Capital, and Lerer Hippeau is poised to define the cannabis supply chain through technology.  LeafLink was named one of Inc. 5000’s ‘Top 5000 Fastest-Growing Private Companies’; one of Fast Company's 'Top 10 Most Innovative Companies in Enterprise for 2020', joining the ranks of Amazon, Slack, and VMWare; one of Built In NYC's 'Best Places to Work in 2021'; 2024 Fast Company’s Best WorkPlaces for Innovators for Banking, Finance, and Fintech category; 2024 Green Market Report Award for Best Fintech in cannabis - and we're just getting started! ## The Role LeafLink is seeking a Senior Full Stack Engineer, backend-leaning, to help build and evolve the systems that power our financial services platform, who is passionate about working with teams that solve interesting, large-scale problems at a rapid pace. You’ll spend most of your time in backend services responsible for payment workflows, transaction processing, and integrations across the cannabis industry — while also shipping the user-facing surfaces those systems drive. As LeafLink expands its platform capabilities, this role will design and implement scalable, reliable, and secure backend systems and own features end-to-end, from API to UI. This is a strong fit for a backend-heavy engineer who is comfortable in the frontend and wants full ownership of the features they ship. You’ll operate with a high degree of autonomy — taking ambiguous problems, breaking them down, and driving them to resolution without needing close oversight. AI-assisted development is part of our daily workflow at LeafLink. We use tools like Claude across prototyping, code review, debugging, and documentation, and we expect our engineers to leverage them fluently — moving faster while owning the correctness, security, and quality of everything that ships. ## What You’ll Be Doing - Design and build backend services supporting financial workflows and transaction processing using Java and modern JVM frameworks. - Own features end-to-end — data model, service, API, and the Angular frontend that consumes them. - Build and maintain APIs used by internal services, external integrations, and our own frontend. - Contribute to architectural discussions and evolve service-oriented, event-driven systems. - "mention the word grass in your application" - Improve system reliability, performance, and observability across the stack. - Refactor and modernize legacy systems as the platform evolves. - Troubleshoot production issues and implement long-term fixes. - Partner with product and design to translate requirements into working, well-tested features. - Participate in code reviews and advocate for strong engineering standards. - Use AI-powered development tools, including Claude, to accelerate software design, implementation, testing, debugging, documentation, and code review. - Apply strong engineering judgment when reviewing AI-generated solutions, validating them for correctness, maintainability, security, performance, and alignment with established architectural standards. - Leverage AI to understand unfamiliar codebases, investigate defects, evaluate implementation options, and identify potential edge cases or system impacts. - Use AI tools responsibly, ensuring that proprietary data, customer information, credentials, and other sensitive material are handled in accordance with company security policies. - Share effective AI workflows, reusable prompts, and best practices that improve engineering productivity and quality across the team, and evaluate emerging AI development tools worth adopting. ## What You’ll Bring to the Team - 5+ years of experience working as a backend engineer in a production environment. - Deep experience building backend services using Java and modern JVM frameworks. - Experience designing APIs and service-oriented systems. - Experience working with relational databases and large datasets. - Experience with distributed systems and event-driven architectures. - Working proficiency with a modern reactive frontend framework (Angular preferred; Vue or React experience welcome) and TypeScript. - Familiarity with containerized environments such as Docker and Kubernetes. - Hands-on professional experience using AI coding assistants (Claude, Copilot, Cursor, or similar) as part of your regular workflow. - Strong judgment about when to rely on AI tooling and when human review is essential — particularly around security, data handling, and financial workflows. - Highly self-reliant — able to unblock yourself, make sound technical decisions independently, and lead initiatives end-to-end with minimal supervision. - Strong debugging, problem-solving, and communication skills. - Experience in regulated industries, such as financial services or cannabis, is a plus. LeafLink Perks & Benefits - Flexible PTO - you’re going to be working hard so enjoy time off with no cap! - A robust stock option plan to give our employees a direct stake in LeafLink’s success - 5 Days of Volunteer Time Off (VTO) - giving back is important to us and we want our employees to prioritize cultivating a better community - Competitive compensation and 401k match - Comprehensive health coverage (medical, dental, vision) - Commuter Benefits through our Flexible Spending Account LeafLink’s employee-centric culture has earned us a coveted spot on[BuiltInNYC’s Best Places to Work for in 2021 list.](https://www.builtinnyc.com/companies/best-midsize-places-to-work-nyc-2021) Learn more about LeafLink’s history and the path to our First Billion in Wholesale Cannabis Orders[here](http://firstbillion.leaflink.com/). Base salary range $145,000—$200,000 USD ## About LeafLink ## Company Overview - **One-liner**: LeafLink provides a wholesale marketplace and software platform that connects licensed cannabis brands, distributors, and retailers to streamline ordering, payments, and logistics. - **Entity Type**: Private (Series D, $100M raised in 2024) - **Headquarters**: New York City, New York, USA (remote-first with hubs in Los Angeles and Austin) - **Founded**: 2016 - **Founders**: Ryan G. Smith and Zach Silverman ## Core Business - Primary industry: Cannabis technology (wholesale marketplace, payments, logistics) - Target customers: Licensed cannabis brands, distributors, and retailers (B2B) - Mission: “Powering cannabis commerce” by providing tools that help licensed operators accelerate growth and manage their businesses more efficiently. ## Products & Services - **Marketplace**: A digital platform where brands list products and retailers place orders, supporting over $4.5B in annualized orders across 30 U.S. markets. [leaflink.com](https://www.leaflink.com/) - **Payments**: Built-in ACH and net-term payment processing, with a $250M debt facility to fuel the service and the 2024 acquisition of Dama Financial to add compliant banking options. [leaflink.com/about-us](https://www.leaflink.com/about-us/) - **Logistics**: Automated fulfillment, shipping, and compliance tools for the supply chain. [leaflink.com](https://www.leaflink.com/) - **Insights**: Real-time analytics for brand performance, market trends, and pricing optimization. [leaflink.com](https://www.leaflink.com/) - **Advertising**: Targeted advertising placements for brands to increase visibility to active buyers. [leaflink.com](https://www.leaflink.com/) - **Integrations**: Connects with top ERP, CRM, and seed-to-sale software. [leaflink.com](https://www.leaflink.com/) ## Market Standing - **Valuation**: Not publicly disclosed (named to Forbes’ Next Billion-Dollar Startups list in 2022) - **Key Metric**: Over $4.5 billion in annualized orders managed on the platform; over $1B in wholesale cannabis payments processed. [leaflink.com/about-us](https://www.leaflink.com/about-us/) - **Notable Investors/Partners**: Series D led by new investors (specific lead not named in search results); prior rounds include $35M Series B (2019), $40M Series C (2020), $250M debt facility (2020), $100M Series D (2024). [leaflink.com/about-us](https://www.leaflink.com/about-us/) - **Growth Signals**: Expanded to 30 markets; acquired Dama Financial in 2024; serves over 12,000 companies; 190+ employees (as of latest Built In profile). [builtin.com](https://builtin.com/company/leaflink) ## Competitive Advantages - **Vertical-specific platform**: Purpose-built for the licensed cannabis industry, handling compliance and regulatory nuances that generic e-commerce or ERP tools cannot. - **End-to-end ecosystem**: Combines marketplace, payments, logistics, and analytics in one platform, reducing the need for multiple vendors. - **Network effects**: Over 3,500 brands and thousands of retailers already transacting, creating a deep liquidity moat. - **Compliance-first approach**: Only serves government-licensed operators, ensuring a trusted, legal network. [leaflink.com](https://www.leaflink.com/) ## Strategic Focus - **Banking expansion**: Deepening financial services through the Dama Financial acquisition to offer safe, compliant banking options. [leaflink.com/about-us](https://www.leaflink.com/about-us/) - **Market expansion**: Entering new U.S. states as they legalize (most recently New York, the 30th market). [leaflink.com/about-us](https://www.leaflink.com/about-us/) - **Platform integration**: Continuing to build integrations and automate workflows for the entire cannabis supply chain. [leaflink.com](https://www.leaflink.com/) ## Why Work Here - **Remote-first culture**: Employees located across the U.S.; headquarters in NYC with regional hubs in LA and Austin. [leaflink.com/about-us](https://www.leaflink.com/about-us/) - **Benefits**: Comprehensive healthcare (medical, dental, vision), 401(k) plan, company equity, unlimited PTO + 5 days of Volunteer Time Off (VTO), learning and development stipend. [leaflink.com/careers](https://www.leaflink.com/careers/) - **Awards**: Recognized as America’s Best Startup Employees 2021, Best Places to Work in NYC 2021, and Fast Company’s Best Workplaces for Innovators (2024). [leaflink.com/careers](https://www.leaflink.com/careers/) - **Culture**: Values include “We work for the customer,” “We deliver,” “We win and lose as a team,” and “We cultivate a better community.” [leaflink.com/about-us](https://www.leaflink.com/about-us/) - **Engineering focus**: Roles like Senior Backend Engineer, Senior Data Engineer, and Senior Frontend Engineer are actively listed, indicating a strong tech investment. [builtin.com](https://builtin.com/company/leaflink) ## Sources 1. [leaflink.com/careers](https://www.leaflink.com/careers/) 2. [leaflink.com](https://www.leaflink.com/) 3. [leaflink.com/about-us](https://www.leaflink.com/about-us/) 4. [linkedin.com/company/leaflink](https://www.linkedin.com/company/leaflink) 5. [builtin.com/company/leaflink](https://builtin.com/company/leaflink) ## Other roles at LeafLink - [Senior Product Manager, Fintech](https://feeny.ai/job/senior-product-manager-fintech-leaflink-remote-e62g21myb1rc) - [Cash Operations Processor](https://feeny.ai/job/cash-operations-processor-leaflink-remote-eq33vqsgsze4) - [Head of Engineering](https://feeny.ai/job/head-of-engineering-leaflink-remote-grdxphydpn4d) - [Banking Operations Associate](https://feeny.ai/job/banking-operations-associate-leaflink-remote-ahj65fdbks7x) - [Risk and Compliance Manager](https://feeny.ai/job/risk-and-compliance-manager-leaflink-remote-pkr7m8mfcswt) - [Business Operations Associate](https://feeny.ai/job/business-operations-associate-leaflink-remote-h9rapmnpc5t3) - [Staff Data Engineer](https://feeny.ai/job/staff-data-engineer-leaflink-remote-fy6d6qm7jqry) - [Product Manager](https://feeny.ai/job/product-manager-leaflink-remote-wfwapx3w3d98) - [Corporate Counsel](https://feeny.ai/job/corporate-counsel-leaflink-remote-j46vdbne3rr0) - [Account Manager, Seller](https://feeny.ai/job/account-manager-seller-leaflink-remote-vemkhwr73z5m)