Principal Software Engineer

This role provides deep technical oversight across payment flows, systems integration, and platform dependencies, ensuring resilient architecture and reliable delivery of a critical enterprise capability. It maintains institutional knowledge of complex systems, leads engineering standards, and drives the technical roadmap that supports operational transparency, client experience, and risk reduction. The position is essential to safeguarding continuity, platform stability, and long term strategic evolution of payment observability - in addition to helping define and expand SRE acorss the org.

Strong proficiency in C# with experience building scalable, high performance backend services

Hands on experience with Python for data processing, automation, and integration scripting

Deep understanding of SQL with ability to design, optimise, and query large, complex relational databases

This role provides deep technical oversight across payment flows, systems integration, and platform dependencies, ensuring resilient architecture and reliable delivery of a critical enterprise capability. It maintains institutional knowledge of complex systems, leads engineering standards, and drives the technical roadmap that supports operational transparency, client experience, and risk reduction. The position is essential to safeguarding continuity, platform stability, and long term strategic evolution of payment observability - in addition to helping define and expand SRE acorss the org.

Strong proficiency in C# with experience building scalable, high performance backend services

Hands on experience with Python for data processing, automation, and integration scripting

Deep understanding of SQL with ability to design, optimise, and query large, complex relational databases

Experience working with MongoDB including schema design, performance tuning, and document oriented data modelling

Strong capability in modern frontend development using React, including reusable component design and API integration

Solid understanding of microservices architectures, API design, and distributed systems patterns

Experience building and maintaining enterprise grade platforms with high throughput and reliability requirements

Ability to design resilient systems with appropriate error handling, observability, and fault tolerance

Strong debugging and problem solving skills across complex integrated systems

Experience delivering technical roadmaps, setting engineering standards, and guiding development best practices

API design,backend services,C#,distributed systems,fault tolerance,frontend development,microservices architectures,MongoDB,performance tuning,React,relational databases,SQL,Strong debugging,systems integration,resilient,problem solving skills,reliability,architecture,automation,client experience,data modelling,integrated systems,throughput,risk reduction,error handling,resilient systems

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

Salary : $52