Software Engineer (SDK)

The Software Engineer (SDK) at Lumin Digital is responsible for addressing a wide range of software development needs, including traditional product development, internal and external solution consulting, client project scoping and bidding, SDK and API support for external developers, and assisting the sales organization with technical demos to prospects. Leveraging a strong foundation in software engineering principles and professional experience, the ideal candidate brings traditional development experience, comfort interfacing directly with clients to provide support and consulting services, and is well-versed in vendors and technologies within the FinTech ecosystem.

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  While performing the duties of this Job, the employee is regularly required to sit; use hands to type, handle, or feel and talk or hear 

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  Specific vision abilities required by this job include close vision

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  Ability to occasionally lift/move up to 25 pounds

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  Individuals with a disability who are otherwise able to perform the essential functions of the job may request reasonable accommodation through the Human Resources department.

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience.

• 5 years of experience in engineering, architecture, with some of those years being client facing 

• Experience working with Saas platforms with an SDK and deep API integration projects.

• Experience with microservice architecture.

• Familiarity with containerization tools like Docker.

• Experience with AWS or other cloud platforms. 

• Strong object-oriented programming skills in TypeScript, C#, Java, or similar languages.

• Ability to manage multiple projects in a fast-paced environment, meeting objectives and maintaining high-quality standards.

• Excellent communication and interpersonal skills, with the ability to work collaboratively within a team.

• Strong problem-solving skills and a proactive approach to troubleshooting and debugging.

Lumin Digital is a trailblazer in digital banking solutions, driven by a unique approach to technology, service, and people. We empower credit unions and banks by creating cutting-edge digital experiences that continuously serve, engage, and grow their membership base — and as a 100% cloud-native company, we're purpose-built to unlock the full advantages of the cloud for financial institutions and their users.

At Lumin, we thrive on curiosity and innovation. Our culture is built on trust in our expertise and decisions, respect for diverse perspectives and talents, and boldness in pursuing new ideas. These values shape a workplace where collaboration thrives, ideas flourish, and new possibilities are discovered every day. We encourage our team to explore, experiment, and challenge the status quo — because continuous improvement isn't just a goal, it's how we operate.

Benefits include: We take care of our people with medical, dental, and vision insurance, a 401(k) with company match, flexible PTO plus 12 paid holidays, paid sick leave, and paid parental and family leave. We also offer a lifestyle spending account, tuition reimbursement, and a cell phone stipend. Additional details are provided during the interview process.

Lumin Digital is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, national origin, disability, protected veteran status, sexual orientation, gender identity, or any other legally protected basis. For more information, visit lumindigital.com.