Senior full-stack engineer

Syntheia; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Syntheia leads the design and delivery of web platforms for client projects, owning decisions across data models, APIs, and UIs. You will translate ambiguous needs into shippable work and guide teams through the product path.

You will build and maintain well-tested applications using TypeScript, Next.js, Node.js, and PostgreSQL, review code, mentor engineers, and collaborate with clients and designers to clarify requirements and deliver incremental value.

Qualifications

• Strong TypeScript engineering skills across web application development.
• Experience with Next.js, Node.js, and PostgreSQL.
• Ability to make and communicate technical design decisions across the application stack.
• Commitment to clean, well-tested code and constructive code review.
• Ability to collaborate with clients, designers, and engineers to shape unclear problems into deliverable work.

Responsibilities

• Design platform architecture and guide projects from initial technical decisions through production.
• Own product technical design across data models, APIs, and user interfaces.
• Build and maintain well-tested applications using TypeScript, Next.js, Node.js, and PostgreSQL.
• Review code and help improve engineering quality across projects.
• Mentor engineers and support their technical development.
• Work with clients and designers to clarify requirements and deliver work in increments.

Skills

TypeScript

Next.js

Node.js

PostgreSQL

System design

Client collaboration

Job description

Role overview

Lead the design and delivery of web platforms for client projects across fintech, healthcare, and commerce. Own technical decisions across the full product path, from data models and APIs to user interfaces, while helping teams turn ambiguous needs into manageable, shippable work.

Responsibilities

• Design platform architecture and guide projects from initial technical decisions through production.
• Own product technical design across data models, APIs, and user interfaces.
• Build and maintain well-tested applications using TypeScript, Next.js, Node.js, and PostgreSQL.
• Review code and help improve engineering quality across projects.
• Mentor engineers and support their technical development.
• Work with clients and designers to clarify requirements and deliver work in increments.

Requirements

• Strong TypeScript engineering skills across web application development.
• Experience with Next.js, Node.js, and PostgreSQL.
• Ability to make and communicate technical design decisions across the application stack.
• Commitment to clean, well-tested code and constructive code review.
• Ability to collaborate with clients, designers, and engineers to shape unclear problems into deliverable work.