--- title: 'Senior Fullstack Engineer at Vendelux' canonical: 'https://feeny.ai/job/senior-fullstack-engineer-vendelux-new-york-x2gdjfkeghvr' type: 'job' last_seen: '2026-09-04' --- # Senior Fullstack Engineer at Vendelux - **Company:** Vendelux - **Location:** New York, NY - **Compensation:** $100k–$200k - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-02-23 - **Last confirmed live:** 2026-09-04 - **Apply:** https://jobs.ashbyhq.com/vendelux/39c512c2-75b9-44a4-ba54-3156d44a593e/application **Skills:** TypeScript, React, MUI, Shadcn, Node.js, Python, Django, MySQL, Postgres, AWS, GCP, Dagster, Snowflake, Linear, GitHub, Datadog, Cursor, Claude Code, Startup experience, DevOps > Vendelux is seeking a Senior Fullstack Engineer to own user-impacting projects from design to production, driving infrastructure improvements and contributing to product discovery. The role involves working with a hybrid team in NYC, focusing on modern fullstack development using TypeScript, React, and Python/Django. ## Job description Vendelux https://vendelux.com/ is building the category-defining platform for event marketing intelligence. Events are one of the largest and most impactful marketing channels, yet historically one of the least measurable. Vendelux brings transparency and performance to this space — helping companies discover, evaluate, and optimize their event strategy with data. Our platform powers thousands of event decisions by delivering proprietary, AI-driven insights across hundreds of thousands of events globally. At the core of our platform is a robust ecosystem of event organizer partnerships — where organizers share first-party data, enabling richer insights for customers while receiving benchmarking and audience intelligence in return. From identifying the highest ROI conferences to enabling targeted meeting programs, Vendelux helps companies turn events into a predictable and scalable growth engine. In addition, Vendelux Meetings extends our platform by turning insights into pipeline — using AI to identify high-value attendees and proactively book 1:1 meetings between our customers and their ideal prospects at events. This enables go-to-market teams to drive measurable ROI and maximize every event interaction. Founded in 2021, Vendelux is a Series B SaaS company backed by top-tier investors including FirstMark. We partner with many of the fastest-growing companies in the world, and our team includes leaders from Bain, ZoomInfo, Shutterstock, FanDuel, Compass, Airbnb, Forter and beyond. ________________ Data-driven marketers have plenty of tools to optimize their digital ad spend and verify that their ads showed where they were supposed to. We build the same kinds of tools, but for data-driven event marketers, who’ve previously been limited to scanning conference badges at their booth. We're growing, and looking for Senior Software Engineers to ship critical features and make key drive key infrastructure changes. This is a full-time position based out of NYC. We have a NYC HQ, and our preference is to have engineers come in a hybrid set up with an expectation of 4 days in office. It reports directly to our Head of Engineering. ## RESPONSIBILITIES - Own substantial user-impacting projects from design to build to roll out - Participate in code and system design reviews - Contribute improvements to our internal processes and dev tools - Understand our users and their needs, and contribute to product discovery and prioritization with our leadership, product management, and design teams - Help grow the team via hiring and mentoring activities ## TECH STACK - Frontend: Typescript, React, MUI/Shadcn, Node.js - Backend: Python, Django, Typescript, Node.js, MySQL, Postgres, AWS, GCP - Data: Python, Dagster, Snowflake - Other tools: Linear, GitHub, Datadog, Cursor / Claude Code ## QUALIFICATIONS - 5+ years of experience building complex applications using a modern language, like Python and/or Typescript - Track record of shaping and shipping valuable features - Track record of driving high-leverage improvements to infrastructure and process - Judgment to take on technical debt and risk where appropriate - Comfort with modern AI tools to accelerate development - Strong written, verbal, and presentation skills ## NICE TO HAVE - Previous startup experience - DevOps or platform/infrastructure experience (or deep interest) - Experience with AI prototyping tools like v0, Lovable, Replit, etc. Not all candidates will check all of the requirements listed above and that’s ok! We are open to great people from non-traditional backgrounds. Vendelux is proud to be an equal opportunity workplace. We are committed to equal opportunity regardless of race, color, ancestry, religion, gender, gender identity, parental or pregnancy status, national origin, sexual orientation, age, citizenship, marital status, disability, or veteran status. ## About Vendelux ## Core Business - **Primary industry**: Event marketing technology / B2B event intelligence - **Target customers**: B2B marketing, sales, and revenue teams (mid-market to enterprise) - **Mission**: Turn in-person events into a measurable, scalable growth channel by applying real-time attendee intelligence, coordinated execution, and clear attribution to the entire event lifecycle. ## Products & Services - **Event Discovery** – Search a proprietary database of 250,000+ B2B events worldwide to find where your ICP, customers, partners, and competitors are attending, speaking, or sponsoring. - **List Builder** – Create dynamic lists of prospects, open deals, and accounts; track them across events and filter by roles and titles. - **Meetings** – AI-powered outreach that pre-books meetings with high-value prospects before the event starts, integrated with CRM workflows. - **CRM Integration** – Connect Salesforce or HubSpot to monitor attendee data, push outreach lists, and measure pipeline, attribution, and ROI without manual work. ## Market Standing - **Valuation / Market Cap**: Not disclosed - **Key Metric**: $17.1M total funding (2 rounds); estimated annual revenue of $1.2M (LinkedIn estimate) - **Notable Investors/Partners**: Not publicly disclosed in available sources - **Growth Signals**: - Headcount grew 52.9% YoY (from ~42 to 79 employees) [linkedin.com](https://www.linkedin.com/company/vendelux) - Customer Voltage tripled late-stage pipeline and secured its largest deal in company history using the platform [vendelux.com](https://vendelux.com/) - Operates in 10 countries including UK, Germany, Estonia, Pakistan, and Spain ## Competitive Advantages - **Proprietary data moat**: Database of 250,000+ B2B events with verified attendee, speaker, and sponsor information. - **Only platform built for end-to-end event ROI**: Combines intelligence, outreach, and attribution in one system – no other vendor offers a unified solution for the entire event lifecycle. - **AI-native architecture**: Uses machine learning to match ICPs to events and automate personalized outreach, reducing manual effort and guesswork. - **Direct CRM integrations**: Real-time sync with Salesforce/HubSpot makes event pipeline fully trackable. ## Strategic Focus - Deepening AI capabilities to further automate event selection and meeting booking. - Expanding the global event database and improving data coverage across more industries and regions. - Scaling the go-to-market team to capture a larger share of the $100B+ B2B event marketing spend. ## Why Work Here - **Culture**: Small, fast-moving team (60+ employees) that values ownership, clear communication, and long-term impact. Low-ego, high-trust environment. - **Work model**: Hybrid – headquartered in NYC with a purposeful in-office collaboration model; flexible arrangements for certain roles and remote team members in other locations. - **Perks**: Generous PTO, company-wide Recharge Weeks twice a year, learning & development budget, equity for full-time roles, comprehensive health benefits, pet-friendly office, team retreats. - **Engineering culture**: Tech stack includes AWS Redshift, Figma, HubSpot, CRM tools; emphasis on outcomes over hours. Opportunities to attend industry events and conferences. ## Sources 1. [vendelux.com/about](https://vendelux.com/about) – Company overview, founders, team size, mission 2. [vendelux.com](https://vendelux.com/) – Product offerings, customer results (Voltage), database size 3. [vendelux.com/careers](https://vendelux.com/careers) – Benefits, hybrid policy, culture values 4. [builtin.com/company/vendelux](https://builtin.com/company/vendelux) – Perks, tech stack, office details, employee count 5. [linkedin.com/company/vendelux](https://www.linkedin.com/company/vendelux) – Headcount growth, revenue estimate, geographic presence, funding total ## Other roles at Vendelux - [Revenue Operations Lead](https://feeny.ai/job/revenue-operations-lead-vendelux-new-york-ytbrzp8dpxvr) — New York, NY - [Head of Growth Marketing](https://feeny.ai/job/head-of-growth-marketing-vendelux-new-york-7bgzxx9zx1z8) — New York, NY - [Fall Data Intern](https://feeny.ai/job/fall-data-intern-vendelux-new-york-xn0fwxy2ne7a) — New York, NY - [Product Manager](https://feeny.ai/job/product-manager-vendelux-new-york-wkyjcynra5y5) — New York, NY - [Head of Analytics](https://feeny.ai/job/head-of-analytics-vendelux-new-york-krn1v2nzpq6n) — New York, NY - [Partnerships Manager- London](https://feeny.ai/job/partnerships-manager-london-vendelux-london-99m8ya86h4f7) — London, United Kingdom - [Partnerships Manager- NYC](https://feeny.ai/job/partnerships-manager-nyc-vendelux-new-york-mjfxxak5ewtq) — New York, NY - [Data & AI Product Manager](https://feeny.ai/job/data-ai-product-manager-vendelux-new-york-ygpnax411f54) — New York, NY - [Account Manager - NYC](https://feeny.ai/job/account-manager-nyc-vendelux-new-york-x25nr6w4gy3h) — New York, NY - [Field Sales Development Representative](https://feeny.ai/job/field-sales-development-representative-vendelux-san-francisco-77p3vpkq9w94) — San Francisco, CA