Senior Backend Engineer – Payments & Partnerships

Motion Recruitment; Waltham (MA); Hybrid; USD 163,000 - 220,000; Full time

Benefits offered by this job

Medical Insurance

Dental Benefits

Vision Benefits

Life Insurance

Disability Insurance

Paid Time Off (PTO)

Parental Leave

401(k)

Job summary

Motion Recruitment is seeking a Backend Software Engineer to join its Payments & Partnerships team in a hybrid role based in Waltham, MA. You will own backend features end-to-end, design, develop, test, and deploy scalable services while collaborating with product managers and frontend engineers.

The ideal candidate has 6+ years of backend experience with Java/Kotlin or Python/.NET, strong SQL, and a passion for clean code, testing, and modern deployment pipelines.

Qualifications

• Bachelor's degree in Computer Science or a related technical field.
• 6+ years of professional backend software development experience.
• Strong programming experience with Java, Kotlin, or comparable languages such as Python or .NET.
• Deep understanding of object-oriented programming principles, design patterns, and software engineering best practices.
• Experience with relational databases and strong SQL skills.
• Excellent problem-solving abilities and a track record of delivering production software.
• Strong communication and interpersonal skills.
• Ability to work in a fast-paced, evolving environment.
• Comfortable learning new technologies and adapting to changing business needs.

Responsibilities

• Partner with product managers, frontend engineers, and stakeholders to deliver customer-focused solutions.
• Design, develop, test, and maintain backend services within Payments & Partnerships.
• Take ownership of features from requirements gathering through deployment and support.
• Write clean, scalable, well-tested code with emphasis on quality and maintainability.
• Collaborate with team members to iterate on new functionality and product enhancements.
• Contribute to architectural decisions and technical improvements across the platform.
• Utilize AI-powered development tools to improve efficiency and accelerate experimentation.
• Support CI/CD processes to deliver software reliably and frequently.

Skills

Bachelor's degree in Computer Science

6+ years backend development

Java

Kotlin

Python

.NET

OOP principles

SQL

problem-solving

communication

fast-paced environment

learning new technologies

Education

Bachelor's degree in Computer Science or related field

Tools

AWS

CI/CD pipelines

Job description

Motion Recruitment is seeking a Backend Software Engineer to join its Payments & Partnerships team in a hybrid role based in Waltham, MA. You will own backend features end-to-end, design, develop, test, and deploy scalable services while collaborating with product managers and frontend engineers.

The ideal candidate has 6+ years of backend experience with Java/Kotlin or Python/.NET, strong SQL, and a passion for clean code, testing, and modern deployment pipelines.