React developer Jobs in Vancouver, BC

Team: Development

Reporting to: Web Development Manager

Location: Vancouver - Hybrid

Welcome to GAIN!

GAIN is a creative-led, insight-driven company that blends data, tech, and creativity. We believe the best ideas emerge where intelligence and creativity unite, where insight sparks imagination, and where innovation turns possibility into progress.

We are explorers of new frontiers, shaping bold strategies that move people, brands, and businesses forward. Individually and together, our specialist teams provide the vision, data, and confidence brands and organizations need to make braver, more impactful decisions.

Today as GAIN, we work as a united force, using data to fuel creativity, and technology to unlock new possibilities. As imagineers, we don’t just embrace innovation – we engineer it; transforming information into action, and ideas into breakthroughs.

This is where rebel thinking, smart technology, and data-driven creativity shape the future.

The Role

As an advanced developer with solid, pixel-perfect HTML/CSS skills, you will be responsible for supporting our clients’ experimentation activities by building test variations and providing split testing and web analytics technical implementation with the support of the Web Development Manager.

Responsibilities

• Support A/B testing projects by developing across the entire client web stack from front-end to back-end services.
• Provide client & server side development services across multiple projects
• Oversee and conduct final reviews to ensure experiments design are being followed and follow coding standard and practices
• Handle other ad-hoc requests and support the Delivery team
• Maintain and update internal tools and applications using Javascript frameworks such as Vue, React, etc, and server side programming languages such as PHP/Laravel, Node/Express, etc
• Understand how RESTful Services and API works, how to debug and how to implement it into AB testing platform
• Perform basic and advance github commands and be able to complete day-to-day requirements for building experiments.
• Staying up to date with releases and updates from A/B testing tools such as Optimizely Client-side, Optimizely Server-side, VWO, Adobe Target, etc. that would impact how the Development Team works with clients.
• Perform a technical evaluation to determine if the testing scripts will impact on any existing coding.
• Provide ongoing leadership and mentorship to Conversion’s development team to support continuous skill development.
• Support internal project management for the Development Team, including maintaining CLI, template code, library, etc.
• Working with team leads to provide technical input and support, as needed
• Support Delivery team in weekly call to answer any technical issue from clients
• Support the Marketing team by participating in webinars and other various marketing projects, as needed.
• Working as a member of a larger team and collaborating effectively with others in your function (developers) as well as cross functionally (designers, project managers, consultants, and clients) to support each other, achieve the best outcomes, and win as a team

Requirements

• Post secondary school degree, preferably in Computer Science.
• 3+ years with front end technologies: JavaScript, HTML, CSS.
• 3+ years with back end technologies: Node, Express, PHP and Laravel
• Experience with DOM manipulation
• Experience with Command Line Interface (CLI) tools
• Experience with JavaScript build tools such as Webpack, Vite
• Experience with version control such as Github, Bitbucket
• Knowledge on front end frameworks: React, Angular, VueJS
• An Agile/Scrum and test-driven developer with 3+ years of experience in an agency or startup environment.
• Strong problem solving skills, able to take on new challenges and new services

How You'll Work

Rebel Thinking: We don’t accept “good enough”. Rebel Thinking is about curiosity with courage. We make it safe to question assumptions, challenge the obvious, and explore smarter, braver ways forward, even when it feels uncomfortable. This is how new ideas, better products, and real breakthroughs happen.

Make It Happen: “We turn intent into momentum.” Making it Happen is about turning ambition in to action. We move fast, learn fast, and push through obstacles together. Progress beats perfection, and momentum creates impact.

Swarming Our Expertise: “Individually smart. Collectively unstoppable.” Swarming our Expertise means we win together. We commit to developing our expertise so that by combining diverse skills, perspectives, and experiences, we solve harder problems faster and deliver results no single expert could achieve together.

Benefits

• Hybrid work environment + a home office allowance
• Flex-Fridays! Friday is your uninterrupted day to wrap up the work week or sign off early
• 3 weeks of paid time off to start, plus a winter holiday office closure.
• Work from anywhere in the world up to 20 business days or 4 weeks per year! We want you to build a life and a career at the same time.
• Wellness time, health + dental coverage, health spending account, and wellness spending account so that you can prioritize YOU.
• Dog friendly office, because our furry friends are part of the team too.
• Office gym membership
• Reward + recognition programs to recognize your team (and be recognized) for all that we do

The typical hiring range for this role is $65,000 - $75,000 annually. This range reflects our commitment to our compensation philosophy, internal equity, and comes with a competitive and comprehensive total rewards package. Base pay will be determined based on role-related skills, knowledge, and experience.

GAIN is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity