Principal Engineer (Payments)
Masabi Jobs
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Job summary
Masabi is seeking a Principal Engineer - Payments to lead architecture for our payments platform in a fully remote role available to candidates based internationally, including Colombia. You will guide architecture, design scalable solutions, and collaborate with cross-functional teams to deliver secure, resilient payment systems at scale.
You will operate at a senior level, shaping technical direction across multiple teams, balancing delivery tempo with long-term platform health, and engaging
Qualifications
- Strong experience with payment systems and PSP integrations.
- Understanding of payment flows and lifecycle.
- Experience designing distributed systems and microservices.
- Experience at Principal or Staff level shaping technical direction.
- Ability to balance short-term delivery with long-term architecture.
- Strong communicator across technical and non-technical audiences.
- Cloud experience (AWS preferred).
Responsibilities
- Shape the technical direction of Masabi’s payments platform, contributing to architecture, standards and engineering best practices.
- Design and deliver scalable, secure, resilient and cost-effective payment solutions aligned with Masabi’s platform direction.
- Support teams in building towards a modern, microservices-based architecture while balancing delivery priorities and long-term platform health.
- Stay close to technical delivery through architecture reviews, design discussions and targeted hands on contribution where needed.
- Identify and work through complex technical challenges related to scalability, resilience, operational performance and system evolution.
- Act as a senior technical advisor across engineering teams, supporting and influencing technical decisions, particularly within the payments domain.
- Work with external providers and payment partners on integrations, technical alignment and problem-solving.
- Contribute to technical roadmap planning, prioritisation, technical scoping and architecture discussions for complex initiatives.
- Produce clear technical documentation and contribute to engineering standards, technical forums and good practices across the organisation.
Skills
Tools
Job description
At Masabi, we’re driving the fare payment revolution, powering the journeys of millions all over the world. We build fare collection platforms that allow riders to seamlessly buy and present tickets for public transport either on their mobile phones, from a ticket machine, or even by tapping their bank card to travel.
Our Justride platform is used in over 250 locations globally, including some of the largest cities in the world. With our industry-first mobile ticketing SDK, we’ve partnered with large players in the transport space, including Uber, Moovit and Transit.
Your own journey is important to us too. Choosing a role here means joining a network of innovators from all walks of life; a group of passionate individuals who consistently deliver. Here, you’ll find the tools you need to build the career you want. Whether you’re taking the direct route or trying a new path, we’ll support you no matter what.
We’re looking for a Principal Engineer - Payments to join Masabi’s Architecture team, with a primary focus on our payments domain.
This is a senior role for someone who combines strong technical judgement with deep payments experience. You’ll shape the technical direction of our payments platform while staying close enough to the detail to design, review and support meaningful technical work.
Working across the engineering organisation, you’ll act as a senior technical leader within the payments domain: contributing to architecture, guiding complex decisions and helping teams build scalable, resilient systems that support millions of journeys worldwide.
The role suits someone who can move between system-level thinking and implementation, who understands trade-offs, can navigate ambiguity and helps turn complex or loosely defined problems into clear, practical technical approaches.
This role is available in a fully remote model for candidates based in Colombia
- Shape the technical direction of Masabi’s payments platform, contributing to architecture, standards and engineering best practices
- Design and deliver scalable, secure, resilient and cost-effective payment solutions aligned with Masabi’s platform direction
- Support teams in building towards a modern, microservices-based architecture while balancing delivery priorities and long-term platform health
- Stay close to technical delivery through architecture reviews, design discussions and targeted hands on contribution where needed
- Identify and work through complex technical challenges related to scalability, resilience, operational performance and system evolution
- Act as a senior technical advisor across engineering teams, supporting and influencing technical decisions, particularly within the payments domain
- Work with external providers and payment partners on integrations, technical alignment and problem-solving
- Contribute to technical roadmap planning, prioritisation, technical scoping and architecture discussions for complex initiatives
- Produce clear technical documentation and contribute to engineering standards, technical forums and good practices across the organisation
You bring a mix of strong technical expertise, sound judgement and real-world payments experience.
- Strong experience working on payment systems, including integrations with PSPs, gateways, EMV, contactless EMV, acquirers, etc.
- Good understanding of payment flows, transaction lifecycles and system design considerations
- Experience designing and evolving distributed systems and microservices architectures
- You’ve operated at Principal or Staff level, shaping technical direction across multiple teams or domains
- Strong judgement and the ability to balance short-term delivery with long-term architectural outcomes
- Comfortable navigating ambiguity and turning complex problems into clear, practical technical approaches
- Clear and thoughtful communicator, able to engage both technical and non-technical audiences
- Comfortable being hands on where needed, while maintaining a focus on system-level impact
- You have strong experience with cloud platforms (AWS preferred) and modern infrastructure practices
- You’ve worked on systems where scale, reliability, performance and cost trade-offs matter, and can navigate those decisions thoughtfully
- You’ve contributed to engineering standards, architecture patterns or platform direction
- Interest in or exposure to AI-enabled systems, particularly understanding architectural implications in production
- Experience with transit systems or fare payment systems (e.g. tap-to-ride systems)
- Familiarity with card schemes (e.g. Visa, Mastercard, Interac)
- Experience working in complex, multi-service or event-driven architectures
- Development: Kotlin, Java
- Data storage: DynamoDB, MySQL
- Infrastructure as code and CI/CD: Terraform, GitLab CI/CD
- 15 days paid vacation in the year plus 18 public holidays
- Private Healthcare
- Monthly team bonding allowance
- Menopause support
- Choice of a workstation
- Ability to work for up to 3 months per year from any country in the world
- Fun and collaborative environment with a focus on making a difference in the world
// In addition to the above, as an employee, you will also have access to a training allowance of up to $750 USD and $250 USD to spend on your home office every year.
Careers at Masabi are for people going places - driven by a mission to make transit fair and accessible for all.
// We are a network of innovators from all walks of life, passionate about making a difference. At Masabi, we operate with openness and trust, creating an environment where everyone feels empowered to bring their whole, authentic selves to work.
Whoever you are, just be yourself.// We welcome applications from underrepresented groups, including disabled and neurodivergent people, and can make adjustments at any stage of the process. You’re also welcome to share your pronouns whenever you feel comfortable. Together, we simplify journeys, remove barriers, and improve daily life for millions.
- Driven by Purpose – We believe in journeys made simple. The work isn’t always easy, but the best things never are.
- Encouraged to Accelerate – Masabi is going places and our people are in the driving seat. Whether you’re taking the direct route or exploring new paths, we support your journey.
- Advancing with Empathy – We put people first and foster a culture of learning, not blame. No matter your cargo, we share the load.
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