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Staff Software Engineer - Martech
PayJoy
Software Engineering
Mexico City, Mexico
Posted on Dec 12, 2025
About PayJoy
PayJoy is a mission-first credit provider dedicated to helping under-served customers in emerging markets to achieve financial stability and success. Our patented technology for secured credit provides an on-ramp for new customers to enter the credit system. Through PayJoy’s point-of-sale financing and credit cards, customers gain access to a modern quality of life. PayJoy’s credit also allows our customers to seize opportunities as micro-entrepreneurs, and provide safety acts as insurance for tough times. Through our cutting-edge machine learning, data science, and anti-fraud AI, we have served over 18 million customers as of 2025 while achieving solid profitability for sustainable growth.
This role
The Staff Software Engineer – MarTech Systems is responsible for defining the architectural direction and making high-impact technical decisions that will shape the development of platforms for MarTech Systems, which drive global customer acquisition, activation, engagement, and retention.
Responsibilities
- Architect and own PayJoy’s marketing-technology platforms, including attribution pipelines, tracking frameworks, lifecycle automation engines, personalization systems, and CRM/CDP integrations.
- Lead medium-to-large, multi-team engineering initiatives end-to-end, including problem definition, architecture design, planning, risk mitigation, execution, testing, deployment, and ongoing monitoring.
- Make high-impact technical contributions across complex distributed systems, unblocking teams and elevating system reliability, performance, and scalability.
- Define technical direction, standards, and best practices for MarTech systems, driving alignment across Engineering, Product, Marketing, and Data.
- Ensure operational excellence by establishing SLOs, improving observability, reducing incidents, managing technical debt, and maintaining high code quality.
- Represent MarTech systems in cross-functional forums, clearly communicating architectural trade-offs, risks, timelines, and business impact to senior stakeholders while influencing roadmap decisions.
Requirements
- Bachelor’s degree in a technical discipline such as computer science, software engineering, or a related field.
- 10+ years of software engineering experience with a strong track record of designing, building, and owning large-scale distributed systems and data pipelines.
- Deep expertise in MarTech or Growth Engineering domains, such as attribution/analytics systems, event tracking, marketing automation, personalization engines, and CRM/CDP integrations.
- Hands-on experience with cloud-native architectures, APIs, event-driven systems, and data modeling, with an emphasis on reliability, observability, security, and scalability.
- Exceptional cross-functional collaboration skills, with the ability to work effectively with Product, Marketing, Data, and Operations to translate business requirements into scalable technical solutions.
- Strong communication and leadership presence, able to influence technical direction, drive consensus, and represent engineering in strategic conversations.
Benefits
- 100% Company-funded Health and dental and vision discount plan for employees and immediate family members.
- Life insurance.
- Phone finance, Headphone, home office equipment and wellnes perks.
- 30 days of Christmas bonus
- 20 days paid Vacation
- 50% Vacation premium
- 13% Saving funds
- $2,000 MXN monthly grocery coupons
- $2,000 MXN monthly restaurant coupons
- $2,000 USD annual Co-working Travel perk
- $2,000 USD annual Professional Development perk
PayJoy is proud to be an Equal Employment Opportunity employer and we welcome and encourage people of all backgrounds. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
Finance for the next billion * Ownership * Break Through Walls * Live Communication * Transparency & Directness * Focus on Scale * Work-Life Balance * Embrace Diversity * Speed * Active Listening