Software Engineer - Full-Stack

Summary

Join Primer's Optimisation team and help merchants optimize their payment KPIs by improving payment success, increasing adoption, and enhancing expertise. As a Full-Stack Developer, you will focus on frontend development while working across the stack. You will improve fallback mechanisms, enhance reliability, redesign data pipelines, ensure data accuracy, build an A/B testing framework, develop decision-based logic, and enable rapid iteration. The team uses a 'you build it, you own it' approach, working with infrastructure and handling testing. Primer offers a remote-first work environment and a competitive benefits package. The role requires experience with JavaScript/TypeScript, React, Python, testing frameworks, and a strong understanding of the development process. Primer is committed to building a diverse and inclusive workplace.

Requirements

• A Full-Stack Developer with a strong focus on Frontend development with (JavaScript/TypeScript + React)
• Someone comfortable working across the stack, backend experience (Python preferred)
• Experience with testing frameworks and a good approach to writing testable, maintainable code
• Be willing to set goals, success metrics, driving and setting up sprints and driving refinement sessions of the tickets and driving delivery side on a day to day basis
• In-depth understanding of the entire development process (design, development and deployment)
• Highly motivated self-starter who values autonomy and getting things done
• Excellent verbal and written communication skills
• Experience working in a fast-paced environment

Responsibilities

• Improve and optimise fallback mechanisms to ensure seamless payment processing
• Enhance reliability by implementing smart routing and failover strategies
• Redesign data pipelines to improve monitoring, tracking, and real-time insights
• Ensure data accuracy and integrity across payment systems
• Build and refine an A/B testing framework to test different payment flows
• Develop if X, then Y decision-based logic to optimize transaction success rates
• Enable rapid iteration and data-driven improvements in the payments experience

Benefits

• We are fully remote and globally distributed; and have been since day one
• Competitive share options
• Uncapped holiday, with 25 days minimum to be taken
• Co-working space access
• Workations & Company Retreat
• The best equipment for your role
• ��500 towards your home office setup
• Generous learning budget
• Private Medical Insurance
• A broad set of additional perks and benefits ( depending on location)