Senior Full Stack Engineer (JavaScript, Payments, Scalable Systems)

equalstrue; Kingston; Remote; GBP 50,000 - 80,000; Full time

Job summary

A remote-first tech company passionate about inclusion is seeking a Senior Full Stack Engineer to develop robust applications and ensure secure transactions. Your work will contribute directly to creating an equitable tech workforce through innovative software solutions. Join a team dedicated to fairness and social responsibility.

Benefits

Paid Company Holidays

Medical, Safety, & Wellness benefits

Free live business language classes

Inclusive and respectful work culture

Qualifications

• Proven experience in full-stack JS applications.
• Hands-on in integrating third-party APIs.
• Product-minded with focus on usability and performance.

Responsibilities

• Build and scale payment agents for financial data.
• Design full-stack features across various platforms.
• Collaborate with founders on UX and logic.

Skills

Full-stack JS applications

API integration

User experience design

Usability and performance focus

Independent delivery of features

Fast-paced environment adaptation

Job description

Full Time · Development - Software · Remote

REMOTE FIRST, AND INCLUSIVE ALWAYS.

EQUALS (=) TRUE started when a type design geek and a talent nerd decided to create real change in the technology industry workforce. So they built the first-in-industry authentic talent partner to help organizations build cultures and scale internationally with the best talent in the Americas.

We are the only organization in Latin America that was founded with a commitment to be inclusive, treat individuals fairly, pay them equally, and provide them with a great professional experience each day, and only want the best. These values are what grounds our business model and practices each day. We are different, awkward, techie, and weird people in all the right ways. So, if you’re looking for a new career partner who’s remote-first, has a true social mission, and only works with companies that share our values, let’s talk about our Senior Full Stack Engineer role today. Here’s what you need to know about this position:

THE WORK

Build and scale robust payment agents that handle sensitive financial and health data securely

Design and ship full-stack features across patient flows, provider dashboards, and internal tools

Take ownership of architecture and implementation from concept to production

Collaborate directly with the founder and early users to refine UX and business logic in real time

Integrate complex APIs like Plaid, Finix, and Stripe to enable seamless transactions

Set up foundational engineering practices, deployment pipelines, and compliance workflows

Contribute to a thoughtful, product-minded engineering culture as one of the early builders

NEEDED EXPERTISE

Proven experience building and scaling full-stack JS applications with intuitive UX and well-structured business logic.

Comfortable thriving in fast-paced, early-stage startup environments with high ambiguity and high bias for disruption.

Demonstrated ability to independently own and deliver production-ready features from start to finish.

Product-minded approach with a keen eye for usability, performance, and real-world impact

Hands-on experience integrating third-party APIs, especially in payments and fintech domains

Bonus points for experience with HIPAA-compliant systems, healthcare technology, or RPA tools.

Strong history of establishing/working with standards such as peer review, peer coding, clear documentation, 80%+ code coverage automated testing, and more.

OUR BENEFITS & PERKS

We pay in USD on a platform that allows you to convert, allocate and disburse your salary as you want and into almost any currency that you choose.

Paid Company Holidays.

Medical, Safety, & Wellness benefits

Free live business language classes

Being part of an organization with a strong social mission for inclusion, fairness, and belonging.

…and more perks being added all the time

Interested? Great! Please send us your CV/Resume to start the conversation and learn more about each other. EQUALS TRUE is a global inclusive talent network of like-minded software engineers, agileist, and design thinkers. We build and develop safe, inclusive, equitable and balanced teams for companies that need to scale globally in a socially responsible way.

EQUALS TRUE is open to all qualified candidates. We never evaluate qualified people on anything other than their skills, work history, training, and ability to do the job. We respect the right of people to live the life they want without judgements. So we practice wage equality, create a culture of belonging, insist upon respect for all our people, make every effort to accommodate all disabilities, and work only with companies that share our values. We are proud to be a global equal opportunity employer. And as such we never discriminate based on race, religion, color, national origin, disability, sexual orientation, gender, gender identity, status as a veteran, or any other protected status. We also consider qualified applicants with non-violent and non-financial related criminal histories.

Additionally, EQUALS TRUE is committed to providing reasonable accommodations for candidates with disabilities throughout our hiring processes. If you need any assistance or accommodations due to a disability, please let us know.