Senior Full Stack Developer

Codekeeper

Senior Full Stack Developer crafting scalable code and collaborating on meaningful software escrow solutions. Join a dynamic team with growth opportunities in a startup environment.

Posted 7/7/2026full-timeRemote • 🇳🇱 NetherlandsSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in crafting clean and scalable code using JavaScript, TypeScript, and React, while effectively collaborating within a team to drive innovation in the software escrow industry.

Highest-signal resume keywords

JavaScript DevelopmentTypeScript DevelopmentReact/Context APINext.js (App Router)GraphQL/Apollo

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

HTML5CSS3TailwindCSSVersion Control (Git, GitHub/GitLab)Testing (Playwright, Cypress, Jest + React Testing Library)Relational Databases (PostgreSQL, MySQL)ORMs (Prisma, Drizzle)Authentication Solutions (Cognito, Auth0, NextAuth.js)

Soft Skills

Excellent Communication SkillsTeam PlayerService-Oriented Mindset

Certifications & Qualifications

Degree in Computer Science

Industry Keywords

Software Escrow

Tech Stack

Tools & technologies

ApolloCypressGraphQLJavaScriptJestMySQLNext.jsPostgresReactTypeScript

About the role

Key responsibilities & impact

Craft clean, efficient, and scalable code
Make a meaningful impact in the software escrow industry
Collaborate with a dynamic team
Shape the future of software escrow

Requirements

What you’ll need

Degree in Computer Science
5+ years of hands-on experience in JavaScript, TypeScript, HTML5, CSS3, React/Context API
3+ years of experience with Next.js (App Router), GraphQL/Apollo
Proficiency with TailwindCSS
Proficiency in version control (Git, GitHub/GitLab)
Testing experience with Playwright, Cypress, or Jest + React Testing Library
Experience with relational databases like PostgreSQL and MySQL, as well as ORMs such as Prisma or Drizzle
Familiarity with authentication solutions (Cognito, Auth0, NextAuth.js)
Excellent communication skills, a team player, and service-oriented mindset
A strong passion for software development

Benefits

Comp & perks

A dynamic, enthusiastic, and fun team
Opportunities for growth within a startup environment
Regular team activities and get-togethers
A comprehensive onboarding process with a dedicated ramp-up period and time to learn
A culture that values open communication, feedback, and collaboration