Principal Software Engineer

Alpha - Cross Border; Town of Malta (NY); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Health & life insurance

Employee Assistance Programme (EAP)

Annual fitness allowance

Learning and development sponsorship

Quarterly events & celebrations

Brand-new state-of-the-art office

Job summary

Corpay is hiring a Principal Software Engineer to help design, develop, and operate systems for onboarding, KYC, accounts, and data across our financial services platform. You will partner with Engineering Managers, Technical Architects, Product Managers, and engineers to translate complex regulatory requirements into secure, scalable technical solutions.

The role emphasizes distributed systems, AWS, and data expertise, with work spanning relational and NoSQL data, SQL, APIs, and data platforms

Qualifications

• Bachelor's degree in a related field or equivalent professional experience.
• 5+ years of software engineering experience.
• Experience designing backend applications, services, and APIs using C# and .NET.
• Experience with distributed systems, microservices, and event-driven architectures.
• Proficiency with AWS and cloud-native architectures (serverless, IaC).
• Knowledge of asynchronous messaging and event streaming (Kinesis, Kafka, RabbitMQ, etc.).

Responsibilities

• Contribute to design, development, and maintenance of KYC/onboarding systems.
• Build secure, scalable backend services, APIs, and integrations.
• Collaborate with architects and cross-functional teams to translate requirements into designs.
• Contribute production-quality code and resolve complex issues.
• Participate in architecture/code reviews and production-readiness activities.
• Work with relational and NoSQL data, data modeling and query optimization.
• Support data pipelines, warehouses, and data integrations with data/platform teams.
• Contribute to AWS-native/cloud-native solutions (serverless, messaging, storage, identity, observability).
• Promote secure development practices and performance improvements.
• Communicate progress, risks, and trade-offs clearly to stakeholders.

Skills

Bachelor's degree in CS/Engineering/IT

5+ years experience

C# and .NET

Distributed systems

AWS

CloudFormation

Event-driven architectures

SQL & NoSQL databases

Databricks/Tableau/DynamoDB

Data modelling & indexing

Education

Bachelor's degree in Computer Science, Engineering, Finance, IT

Tools

AWS

CloudFormation

Databricks

DynamoDB

Tableau

Job description

Your role

What you'll be doing

Principal Software Engineer

What We Need

Corpay is currently looking to hire a Principal Software Engineer within our Alpha division. This position falls under our Corporate Payments line of business. In this role, you will contribute to the design, development, and operation of systems supporting customer onboarding, KYC, accounts, operations, and data across our financial services business. You will partner closely with Engineering Managers, Technical Architects, Product Managers, and engineers to translate complex business and regulatory requirements into secure, scalable technical solutions. The role requires strong distributed-systems, AWS, and data experience. You will work with relational and non-relational data, SQL, APIs, and data platforms that support operational and customer-facing services.

How We Work

• Assigned workspace in our Malta office location
• Company-issued equipment
• Formal, hands-on training

Role Responsibilities

• Contributing to the design, development, and maintenance of systems supporting KYC, onboarding, accounts, operations, and data.
• Building secure, scalable backend services, APIs, integrations, and event-driven solutions.
• Collaborating with Technical Architects and cross-functional teams to translate business and regulatory requirements into practical solution designs and delivery plans.
• Contributing production-quality code, investigating complex technical problems, and supporting the resolution of production issues.
• Participating in architecture reviews, code reviews, technical design discussions, and production-readiness activities.
• Working with relational and NoSQL data, including data modelling, query optimisation, indexing, transactional considerations, and data-access patterns.
• Using SQL and other appropriate query models to investigate issues, validate assumptions, and support decision-making.
• Supporting reliable, observable, and governed data pipelines, warehouses, and integrations in partnership with data and platform specialists.
• Contributing to AWS-native and cloud-native solutions, including serverless services, messaging, storage, compute, identity, observability, and Infrastructure as Code.
• Supporting secure development practices, application security, resilience, performance, and maintainability.
• Communicating technical progress, risks, trade-offs, and challenges clearly to technical and non-technical stakeholders.

Qualifications & Skills

• Bachelor's degree in Computer Science, Engineering, Finance, IT, or a related field; equivalent professional experience will also be considered.
• 5+ years of experience in software engineering.
• Experience designing and building backend applications, services, APIs, and integrations using C# and modern .NET.
• Experience working with distributed systems, microservices, and event-driven architectures.
• Experience with AWS and cloud-native architectures, including serverless services and Infrastructure as Code.
• Experience with AWS CloudFormation is highly desirable.
• Working knowledge of asynchronous messaging and event-streaming technologies, such as Amazon EventBridge, Amazon SQS/SNS, Kafka, RabbitMQ, or similar tools.
• Strong understanding of relational and NoSQL databases, data modelling, SQL, query optimisation, indexing, transactional considerations, and data-access patterns.
• Experience working with data platforms and tools such as Databricks, Salesforce SOQL, DynamoDB, Tableau, data pipelines, data warehouses, or equivalent technologies.
• Experience designing reusable APIs, services, and integrations, with a focus on secure development, observability, resilience, and maintainability.
• Understanding of cloud security, application security, and risk-aware design within a regulated environment.
• Familiarity with CI/CD practices and modern software delivery tooling.
• Strong analytical and problem-solving skills, with the ability to assess trade-offs and make pragmatic technical decisions.
• Effective verbal and written communication skills, with the ability to explain technical concepts to technical and non-technical colleagues.
• A collaborative mindset, with a proven ability to work well within teams and build strong working relationships across departments.

Benefits & Perks

• Private Health Insurance and Life Insurance for all employees from Day 1 of employment, including private hospital coverage.
• Employee Assistance Programme (EAP).
• Annual fitness allowance.
• Sponsored learning and development.
• Quarterly Events & Celebrations.
• Brand-new state-of-the-art office.

About Corpay

Corpay is a global technology organization that is leading the future of commercial payments with a culture of innovation that drives us to constantly create new and better ways to pay. Our specialized payment solutions help businesses control, simplify, and secure payment for fuel, general payables, toll and lodging expenses. Millions of people in over 80 countries around the world use our solutions for their payments. At Corpay, we are committed to fostering an inclusive and respectful workplace where employees are valued for their diverse perspectives, experiences, and contributions. We believe that diversity, equity, and inclusion strengthen our teams, drive innovation, and support our continued success globally.

Transparency & Compliance

Corpay is committed to providing equal employment opportunities to all applicants and employees. Employment decisions are made without regard to race, color, religion, sex (including pregnancy), gender, gender identity or expression, sexual orientation, national origin, ancestry, age, disability, marital status, genetic information, military or veteran status, or any other characteristic protected by applicable law. Corpay is committed to fostering an inclusive workplace where individuals are respected and valued for their diverse perspectives, experiences, and contributions. If you require reasonable accommodation during any part of the application or interview process, please notify a representative of the Human Resources Department.

Use of Artificial Intelligence in Hiring

Corpay may use artificial intelligence (AI) and other technology-enabled tools to support certain aspects of the recruitment process, such as application screening, candidate assessment, or interview scheduling. These tools are designed to enhance efficiency, consistency, and fairness throughout the hiring process. AI tools do not make final hiring decisions. All employment decisions involve human review. Corpay is committed to the responsible use of AI, including appropriate oversight and safeguards designed to support fair and unbiased outcomes.

Candidate Privacy Notice

For information about how Corpay processes personal information during the recruitment process, please review our Candidate Privacy Notice: https://www.corpay.com/privacy-policy.

Pay Philosophy

Corpay is committed to fair, equitable, and transparent compensation practices. Compensation decisions are based on objective, job-related factors including skills, experience, qualifications, and market benchmarks. Where required by applicable law, salary or compensation ranges will be included in the job posting or provided prior to the interview process, where required by applicable law. Additional compensation elements such as bonuses, incentives, benefits, or variable pay may apply where applicable.

Fast-growing, global, rewarding, fun, involved at Corpay, we are all of these and more. If you are an experienced and self-motivated professional who can perform at a high level, you will be rewarded. If you have great ideas, we want to hear them. If you want your career to grow at the same rapid pace as our organization, this is the place for you. Whatever your area of expertise, you can take it to the next level at Corpay.