Full Stack Software Developer (Mid/ Senior Level)

LocationHo Chi Minh City, Ho Chi Minh City, Vietnam
Work modeon-site
Typefull-time
SenioritySenior
Experience5+ yrs
Company size51–200 people
PostedMar 4, 2026 · 7mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
5+ years of experience in full-stack web development
Proficiency in front-end frameworks such as React.js, AngularJS
Proficiency in back-end technologies such as Node.js, Express.js, Nest.js
Experience with database systems such as MySQL, PostgreSQL, MongoDB, or Redis
Strong problem-solving and analytical skills
Excellent communication and teamwork skills
Experience with Angular
Experience with Stripe or other payment/billing integrations
Familiarity with Docker, Kubernetes and a cloud provider (AWS, GCP or DigitalOcean)
Experience using AI coding assistants (e.g. Claude Code, GitHub Copilot)
Background in multi-tenant SaaS products
Skills
JavaScript
TypeScript
React.js
Angular
Node.js
Express.js
NestJS
MySQL
PostgreSQL
MongoDB
Redis
Stripe
Docker
Kubernetes
AWS
GCP
DigitalOcean
Claude Code
GitHub Copilot
Benefits
Health insurance
Laptop
Monitor
Standing desk
Professional development
Company trips
Snacks
Sports clubs
About the role
This position is onsite at our office in Ho Chi Minh City, Vietnam.
Are you a talented engineer with a passion to build beautiful, easy to use apps for users? Combine not only technical knowledge in Full-Stack JavaScript, Node.js, React.js, but also your business acumen in learning and understanding how your apps add value to users. Join us to continue expanding our unique B2B SaaS app portfolios with already over 30,500 customers.
About Us
At OptiSigns, we believe technology should be accessible and valuable to everyone, including non-technical users. Our mission is to create beautiful, user-friendly B2B SaaS applications that add real value to society. By helping businesses connect better with their customers and employees, we aim to drive revenue growth and enhance operational efficiency.
Responsibilities:
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Work on the design and development of apps from concept to production.
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Develop and maintain front-end components using modern JavaScript, TypeScript frameworks such as React.js or Angular.
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Implement server-side logic and APIs using Node.js, Express.js, NestJS or other back-end technologies.
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Design and optimize database schemas and queries using relational and/or NoSQL databases.
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Write clean, efficient, and maintainable code adhering to coding standards and best practices.
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Collaborate with product managers, designers, and other stakeholders to define and prioritize features.
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Stay up-to-date with emerging technologies and industry trends, and advocate for their adoption when appropriate.
Requirements
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5+ years of experience in full-stack web development, with a strong focus on both front-end and back-end technologies.
•
Proficiency in front-end frameworks such as React.js, AngularJS.
•
Proficiency in back-end technologies such as Node.js, Express.js, Nest.js.
•
Experience with database systems such as MySQL, PostgreSQL, MongoDB, or Redis.
•
Strong problem-solving and analytical skills, with a track record of delivering scalable and reliable solutions.
•
Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.
Nice to have
•
Experience with Angular.
•
Experience with Stripe or other payment/billing integrations.
•
Familiarity with Docker, Kubernetes and a cloud provider (AWS, GCP or DigitalOcean).
•
Experience using AI coding assistants (e.g. Claude Code, GitHub Copilot) as part of daily work.
•
Background in multi-tenant SaaS products.
Benefits
Compensation & Insurance
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Attractive, competitive salary based on your performance and experience.
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Full gross salary paid during probation.
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Full social insurance contributions based on 100% of your gross salary after probation.
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Premium healthcare insurance package and annual health checkups.
Equipment and Work Environment
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Modern equipment provided: laptop (Macbook/Window), 4K monitor, and height-adjustable standing desk.
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Company-provided Claude AI account to support your daily work.
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Join a global SaaS product company with a strong international presence.
•
United States onsite opportunity.
Career and Growth
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Structured onboarding and continuous professional development, including product training, internal tech talks and English class.
Culture & Perks
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Company trips.
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Daily snacks and drinks provided.
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Sports clubs: football, badminton, and typing contests.
Our VN Office address: 127 Hong Ha, Duc Nhuan Ward, Ho Chi Minh City, Vietnam.