Technical Lead (Payment)

Technical Lead (Payment)

Working Location: Ha Noi or Da Nang (ONSITE)

Salary: Negotiable

​Job Overview And Responsibility

We’re looking for a Tech Lead who can elevate our engineering team from strong to exceptional. You will drive technical excellence, lead the adoption of AI across engineering workflows and products, mentor and grow our developers, and help build a high­performance engineering culture. Working closely with product, design, and leadership teams across Vietnam and the US, you will align technical execution with business goals and ensure the team delivers impactful solutions with speed, quality, and scalability.

WHAT YOU'LL LEAD

You will set technical direction across 2 of Everfit's highest­priority initiatives

• Payments: Own the technical direction for billing infrastructure: subscription lifecycle, payment gateways (Stripe and beyond), webhook reliability, and financial reconciliation at scale. Guide the squad through multi­currency, cross­border flows, and marketplace payout systems while maintaining financial data integrity
• Marketplace: Drive backend architecture for discovery, listing management, search/ranking, and transactional flows. Design two­sided systems that scale from thousands to millions of users, covering matching, availability, dynamic pricing, and booking state, with seamless Payments integration

Your impactTechnical Direction & Architecture

• Own the architectural patterns and technical standards for Payment's backend systems — workout programming engines, scheduling logic, nutrition tracking, multi­tenant platform infrastructure, notification pipelines, and third­party integrations
• Drive solution design for complex features: new product areas, cross­squad integrations, platform­level changes, and performance­critical systems
• Make architectural decisions that balance delivery velocity with long­term maintainability
• Define and uphold engineering standards across squads: API design, data modeling, testing practices, code review ­ culture, and documentation
• Proactively identify and lead reduction of technical debt in coordination with Engineering Management and Product

Hands­on Engineering

• Stay in the code on the most critical work — Payment platform infrastructure, high­risk migrations, cross­squad technical foundations, and architectural proof­of­concepts
• Review pull requests across sub­squads with depth and speed, giving feedback that helps engineers grow — not just ships
• Set the standard for what good code looks like across squads: observable, testable, maintainable, and scalable

AI­First Engineering

• Champion AI­assisted development across squads — from code generation and test writing to automated documentation and PR reviews
• Collaborate with the AI squad on integrating AI features directly into workflows: smart programming suggestions, automated progress summaries, AI­powered onboarding
• Help engineers build practical AI fluency through pairing, demos, and shared tooling workflows

Mentorship & Team Growth

• Mentor and coach engineers across squads — raising the technical bar through code reviews, architectural guidance, and technical pairing
• Run regular technical discussions and design reviews that help engineers grow as system thinkers, not just feature builders
• Contribute to hiring across Payment and Marketplace: design technical assessments and conduct engineering interviews calibrated to the Marketplace and Payment domain

Cross­functional Collaboration

• Be the primary technical voice in product discovery across Payment — shaping what's feasible, what's scalable, and ­ what will cause pain six months from now
• Partner closely with PMs, BAs, QA Lead, and Design to ensure technical decisions translate cleanly into user­facing product quality
• Align with Tech Leads in other squads (Marketplace, Payment, AI) on shared infrastructure, platform standards, and cross­squad integrations
• Represent Payment Engineering in cross­functional leadership discussions, communicating system decisions with clarity to non­technical stakeholders

Required Skills and ExperienceIdeal Candidate Background

• US/UK education or international experience is highly preferred. We value leaders who bring a global perspective, have been exposed to high­performing organizations, and can combine international best practices with a deep understanding of Vietnam's talent and culture. This unique blend of experience will help us continue building a world­class company and team
• You have a real engineering and product background. You understand how software gets built and you can earn the respect of builders

Must­Have

• 5+ years of backend engineering experience, with 2+ years in a Tech Lead or equivalent role. Former startup founders, or engineers from highly entrepreneurial environments
• Deep backend fundamentals: distributed systems, data modeling, event­driven architectures, API design, scalability, and reliability
• Hands­on experience in at least two of the four initiative domains: payments/fintech, marketplace/platform, B2B SaaS, or AI/LLM engineering
• A track record of designing maintainable systems and raising the technical bar across teams
• Strong English communication skills and an AI­first engineering mindset

Why Candidate should apply this positionWhy Join Everfit?

• Be part of an AI­first company redefining fitness and wellness
• Help build the future of personalized wellness with AI agents and a groundbreaking B2C marketplace for training and coaching
• Be rewarded with a competitive compensation package
• Work alongside world­class talent from companies like Apple, Meta, Uber, Patreon, and Nike, united by a shared passion for impact and excellence
• Work with a high­performing organization in Vietnam, driving innovation that scales across the US, UK, and beyond
• Collaborate globally with founders and leaders who believe in clarity, ownership, and joyful progress at work
• Work in a collaborative and fast­paced environment with a team that values dedication, creativity, and joy
• Opportunity to shape the future of a high­growth global startup

Our Perks and BenefitsCompensation & Benefits

• Competitive salary with 13th­month pay and performance bonus
• Paid leave — vacation, sick leave, and maternity leave
• Full social insurance coverage and premium healthcare benefits

Build Your Career with Impact

• Be part of a mission­driven company that's transforming human potential
• Empower more than 300,000 coaches across the globe — including Olympic athletes, military trainers, rehab specialists, and celebrity coaches
• Make a global impact while building a meaningful, purpose­driven career
• Continuous training and mentoring
• 1–2 performance reviews annually

Work Environment

• English­speaking, international environment promoting open communication and collaboration
• Work alongside world­class talent from companies like Netflix, Apple, Meta, Nike, Hulu, Uber, Amazon, Hypebeast, and Quibi, united by a shared passion for impact and excellence
• International team for global career growth
• Laptop and work equipment provided
• Beautiful working environment near Danang's city center (Dragon Bridge) and Hanoi office

Health & Wellness

• PVI health insurance program and annual health check­ups
• Active sports clubs (football, badminton, pickleball) and company retreats
• A modern pantry designed for relaxation and social connection
• Monthly wellness and learning workshops to recharge and grow

Prefer if candidate have

• Familiarity with: Node.js, MongoDB, PostgreSQL, AWS, Docker, or equivalent
• Experience in high­growth startups or distributed teams across time zones (Vietnam and US)

Reporting to

Director of Engineering

Interviewing Process

R1: Head of HR (culture, product, company) ­> R2: Director of Engineering ­> 2+ rounds with technical team

Company Address

Thành Phố Đà Nẵng, Việt Nam

Company Size

20