Senior Software Engineer - Martech

PayJoy; San Francisco Telixtlahuaca; Presencial; MXN 80,000 - 120,000; Jornada completa

Descripción de la vacante

A mission-driven credit provider is looking for a Senior Software Engineer in Oaxaca, Mexico. This role involves defining architectural direction and making impactful tech decisions for MarTech systems. Responsibilities include owning features end-to-end, writing clean code, improving system reliability, and collaborating with various departments. The ideal candidate has a Bachelor's in Computer Science, 6-8 years of experience, and strong backend language skills, particularly with AWS. This position offers various benefits, including health coverage and professional development perks.

Servicios

100% Company-funded Health and dental coverage

Life insurance

$2,000 MXN monthly grocery coupons

$2,000 USD annual Professional Development perk

Formación

• 6-8+ years of software engineering experience.
• Strong proficiency in at least one backend language.
• Excellent communication and interpersonal skills.

Responsabilidades

• Own medium-sized features and services end-to-end.
• Write clean, secure, and well-tested code.
• Communicate progress, trade-offs, and risks clearly.

Conocimientos

Backend language proficiency

Cloud-native architectures

CRM integrations

Communication skills

Educación

Bachelor’s degree in Computer Science

Herramientas

AWS

Salesforce

Marketo

Descripción del empleo

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.

Job Role

The senior Software Engineer Systems is responsible for defining the architectural direction and making high-impact technical decisions that shape the development of platforms for MarTech Systems, which drive global customer acquisition, activation, engagement, and retention.

Responsibilities

• Own medium-sized features and services end-to-end — including technical design, development, testing, deployment, and ongoing maintenance.
• Write clean, performant, secure, and well-tested code with strong observability and monitoring.
• Independently break down requirements, manage risks, and deliver high-quality outcomes with predictable execution.
• Improve system reliability, scalability, and maintainability by addressing technical debt and operational gaps.
• Participate in architectural discussions and provide constructive design and code review feedback across the team.
• Collaborate with Product, Marketing, Data, and Operations to deliver scalable solutions that drive measurable business impact.
• Communicate progress, trade-offs, and risks clearly to peers and stakeholders.
• Contribute to onboarding, documentation, knowledge sharing, and a continuous improvement mindset.
• Participate in hiring activities, mentorship, and building a strong, inclusive engineering culture.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field.
• 6–8+ years of software engineering experience, with ownership of production services and data-driven product features.
• Strong proficiency in at least one backend language or framework, and solid experience with cloud-native architectures, including APIs, microservices, and event-driven systems (AWS preferred).
• CRM / CDP integrations (Salesforce and at least one platform such as Marketo, Braze, or HubSpot)
• Support for paid media activation (search, social, display, programmatic)
• Personalization engines and retention tooling driving acquisition, engagement, and conversion
• Proven ability to execute independently, with strong judgment on when to raise risks, ask for help, or seek alignment.
• Excellent communication and interpersonal skills, with the ability to collaborate effectively across Engineering, Marketing, Product, and Data teams, and contribute to an inclusive team culture.

Nice to Have

• Experience with Adobe Experience Platform (AEP).
• Exposure to omnichannel activation (email, push, SMS, in-product).
• Interest in growing toward Staff / architecture responsibilities.
• Experience in product-led or growth-driven companies.

Benefits MXN

• 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

Benefits COL

• 100% Company-funded Health and Life Insurance for employees and immediate family members
• Indefinite-term contract
• 20 days of vacations
• $2,000 USD annual Co-working Travel perk
• $2,000 USD annual Professional Development perk
• $500 USD Phone finance with PJ
• $250 Wellness
• $200 Headphones
• $250 WFH

EEO Statement

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.

PayJoy Principles

Finance for the next billion * Ownership * Break Through Walls * Live Communication * Transparency & Directness * Focus on Scale * Work-Life Balance * Embrace Diversity * Speed * Active Listening