Backend Software Engineer - Payments and Partnership - Waltham, Ma

Waltham, MAHybridFull Time$163k - $220k Job Description A rapidly growing technology-focused organization is seeking a Backend Software Engineer to join its Payments & Partnerships engineering team. This role is ideal for an experienced backend developer who enjoys building scalable services, owning features end-to-end, and collaborating with cross-functional teams to deliver business-critical solutions. As part of a modern engineering organization, you will work with contemporary backend technologies, cloud-based platforms, and automated deployment pipelines. The team emphasizes clean, maintainable code, strong testing practices, continuous delivery, and the use of AI-powered tools to enhance productivity and innovation. This is a hybrid position based in Waltham, MA, with three days per week in the office. Required Skills & Experience 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 object-oriented languages such as Python or .NET Deep understanding of object-oriented programming principles, design patterns, and software engineering best practices Experience working with relational databases and strong SQL skills Excellent problem-solving abilities and a track record of delivering high-quality production software Strong communication and interpersonal skills Ability to work effectively in a fast-paced, evolving environment Comfortable learning new technologies and adapting to changing business needs Desired Skills & Experience Experience building applications in highly distributed, cloud-based environments Familiarity with AWS or other major cloud platforms Experience supporting payment systems, integrations, or partner-facing services Exposure to AI-assisted development tools and large language model (LLM) technologies Experience working within modern CI/CD environments and automated deployment pipelines Ability to contribute across multiple business domains and technical areas What You Will Be Doing Daily Responsibilities Partner with product managers, frontend engineers, and business stakeholders to deliver customer-focused solutions Design, develop, test, and maintain backend services within the Payments & Partnerships domain Take ownership of features from requirements gathering through production deployment and ongoing support Write clean, scalable, and well-tested code with a strong emphasis on quality and maintainability Collaborate with team members to rapidly iterate on new functionality and product enhancements Contribute to architectural decisions and technical improvements across the platform Utilize AI-powered development tools to improve engineering efficiency and accelerate experimentation Support continuous integration and deployment processes to deliver software reliably and frequently The Offer Base Salary: $163,000 - $220,000 annually Annual performance-based incentive opportunity Hybrid work schedule in Waltham, MA (3 days in office) Opportunity to work with modern backend technologies and cloud-based systems Collaborative engineering culture focused on innovation, quality, and continuous improvement You will receive the following benefits Medical Insurance Dental Benefits Vision Benefits Life Insurance Disability Insurance Paid Time Off (PTO) Parental Leave 401(k) Applicants must be currently authorized to work in the US on a full-time basis now and in the future.