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Senior Fullstack Engineer

Flodesk(On-site) Da Nang, Da Nang, VietnamPosted 12 Aug 2026

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About this role

Flodesk is recognized in the Inc 5000 as one of the world's fastest-growing email marketing companies, built to help entrepreneurs sell online and design emails that people love to get. We're committed to giving small businesses simple and intuitive tools that help them grow, nurture, and monetize their email list. We’re a remote-first company headquartered in San Francisco with a globally distributed team, including in-person hubs in Da Nang (Vietnam), Barcelona (Spain), and Menlo Park (California).

Our team reflects the diversity and creativity of the people we serve. Join our mission to level the playing field for small business owners through good design. About the Opportunity We're looking for a Senior Software Engineer who can move fluidly across the stack — frontend and backend — and who uses AI-native tools (Claude Code, Cursor, Codex, and similar) as a part of how they build, not as an afterthought. You don't need prior end-to-end full-stack experience to apply.

If your background is primarily frontend or primarily backend but you're genuinely interested in growing into a fullstack role, we want to hear from you. What matters more than your past title is your mindset and your ability to learn fast, especially with AI as a force multiplier. You will not just "convert Figma to code" or "code tickets." Your core challenges will include: Craft delightful, intuitive interfaces that anticipate user needs across our product suite — email, forms, checkout, and workflow automation.

Build and operate high-scale backend systems handling billions of annual events, solving real challenges in speed, data processing, and stability. Build AI-powered features — smarter writing assistance, auto-generated designs, intelligent workflows, and new AI products built from the ground up. Design strong APIs and integrations with partners like Shopify, Zapier, and WooCommerce. Own your work end to end — from understanding why a request exists, to deciding what should be built, to shipping how it's built, in production.

Work directly with Product Managers and Designers to decide how features should work — not just how they're implemented. What You Need to Be Successful We hire for mindset first, technology second. 1. Engineering Skills Whichever side of the stack you're strongest in today, we expect depth there and genuine curiosity about the other side: Frontend Deep skills in TypeScript and React (Hooks, Context); you understand how React works under the hood (re-rendering, virtual DOM).

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Comfortable with modern build tools (Vite, Turbo) and monorepos. Strong foundation in performance optimization and code-splitting. Backend Strong computer science foundation and problem-solving skills. Experience with SOA architecture (Golang/Node.js preferred), MongoDB/PostgreSQL, and AWS services. Comfortable designing systems that stay fast even as traffic scales 10x. AI-Augmented Development You use AI tools (Claude Code, Cursor, Codex, etc.) as a genuine engineering practice — not just autocomplete.

You know what to delegate to AI and what requires your own judgment, and you remain fully responsible for the code you ship. 2. Builder Mindset & Product Thinking This is what we screen for most carefully: Why & What before How. When you receive a request, your first instinct is to ask why it needs to exist and what problem it actually solves — not to jump straight into implementation. You build for the user, not just the ticket.

Whether it's an external customer or an internal ops teammate, you think about whether what you're building actually helps them, and you're not satisfied shipping something no one asked for or no one uses. You see the big picture. You think about downstream impact, maintainability, and business consequences — not just your feature or module in isolation. You've built things because you saw they were needed — not only because you were assigned to.

Personal projects, internal tools, or improvements you drove yourself are all strong signals here. 3. Ownership & Collaboration High responsibility. You work independently. You don't wait for detailed instructions — you talk to the PM, understand the requirement, and deliver the solution. Ships to production. You take things all the way, not just to prototype or demo stage. Clear async communication. You can explain technical problems to non-technical stakeholders clearly and respectfully, and you document assumptions rather than blocking on answers.

Teamwork. You believe in code reviews and knowledge sharing, and you help the team get better every day. Nice to Have Experience shipping AI or conversational UI features that improved real user outcomes. Experience with SaaS-specific problems (fair usage, noisy neighbor), large-scale databases (sharding, partitioning, no-downtime migration), Martech, or Fintech domains. Experience building internal tools for non-technical teams (ops, CS, support).

Experience leading an engineering team or mentoring other engineers. Why You Should Choose Us Design-First Culture. We don't treat design as an afterthought — you'll work on a product famous for being beautiful. Impact & Scale. Your work directly empowers 600,000+ users, and you'll get to work with billion-scale data — a rare opportunity at most startups. Culture. We're a lean, fast-growing team that values Clarity, Craft, Curiosity and Care.

Perks: Competitive salary + 13th-month bonus Performance bonuses based on company and individual contributions Stock options for high contributors Personal development allowance up to $1,000/year Comprehensive healthcare coverage (annual health check, vaccines, premium insurance) Flexible working hours, standard 5-day workweek Modern office with top-notch equipment (MacBook Pro) Opportunities for career growth, including overseas options Flodesk is an equal opportunity employer.

We are committed to building a diverse and inclusive workforce and do not discriminate based on race, religion, color, national origin, ancestry, physical disability, mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, age, sexual orientation, veteran or military status, or any other legally protected characteristics, Flodesk is committed to providing reasonable accommodations for candidates with disabilities who need assistance during the hiring process.

To request a reasonable accommodation, please email [email protected] Notice to California-based Candidates and Vietnam-based Candidates for Employment. This Candidate Privacy Notice is intended to provide information about how Flodesk collects and uses personal information to California consumers and candidates located in Vietnam (Vietnam-based candidates) who apply for employment with Flodesk. If you are employed by Flodesk, refer to the Employee Handbook for additional information.

For any questions about this notice, please contact [email protected]. Personal Information Flodesk Collects: Identifiers Including name, address, email, telephone number, social security number, driver license number, passport number, and other personal identifying information. For California-based candidates: Characteristics of protected classifications under California or federal law including demographic information and other personal information obtained during the application process, such as gender, race, national origin.

Professional or employment-related information, such as salary/compensation and benefits packages, other relocation or job preferences, prior background, experience, skills, and other information in support of your application, reference information. Any other information you provide as a part of recruitment, job application, or interview process. Purposes for Collecting Personal Information: To consider qualifications, skills, and interest for employment.

To communicate with you during the recruitment and interview process. To provide compensation, including payroll, and administer stock options and benefits, including medical, dental, vision, commuter, and retirement benefits. To provide human resources services and conduct performance evaluations. To monitor work eligibility including work-related licenses, credentials, training, and eligibility to work in the United States or in Vietnam.

To improve recruitment and interview processes and ensure a safe and efficient working environment. To comply with applicable legal or regulatory requirements as Flodesk may transfer or store internationally your information, including to or in

Source listing: greenhouse_flodesk

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