Unlock your potential with Quantum ePay - We're a full-service financial technology provider that helps business owners lower their costs, earn more money, and improve their quality of life. We offer truly innovative payment processing solutions and an ever-expanding line of products to boost productivity, enabling our clients to operate efficiently and effectively in confidence. With a focus on providing exceptional service to our merchants, we bestow integrity, teamwork, passion, and delivering reliable service. Our company is growing, and we are seeking experienced business professionals.
We are looking for a skilled
Senior Back-End Developer to design and maintain scalable, high-performance server-side systems, ensuring seamless integration and robust functionality.
ESSENTIAL DUTIES AND RESPONSIBILITIES: - Design, develop, and maintain scalable back-end systems to support business applications.
- Develop APIs (RESTful and GraphQL) and ensure secure and efficient data handling.
- Implement robust database management solutions using SQL and NoSQL technologies.
- Optimize application performance, including load balancing and caching mechanisms.
- Collaborate with cross-functional teams to integrate back-end functionality with front-end applications.
- Implement secure coding practices, including OAuth, JWT, SSL/TLS encryption, and defensive coding techniques.
- Troubleshoot, debug, and resolve issues in a timely manner.
- Utilize microservices architecture with tools like Docker and Kubernetes.
- Leverage frameworks such as Spring Boot, Django, Flask, or Express.js for scalable solutions.
- Participate in Agile development processes using Scrum or Kanban methodologies.
- Define, build, and automate test cases to ensure system reliability.
QUALIFICATIONS: - 5+ years of experience in full stack development, with a strong background in back-end development.
- Proficient in back-end programming languages such as C , Python, Node.js, and JavaScript/TypeScript.
- Experience with front-end technologies and frameworks like React.js and Angular.
- Experience with cloud platforms like AWS, as well as serverless technologies like Lambda Functions.
- Strong understanding of front-end testing frameworks and testing best practices.
- Knowledge of security best practices for both front-end and back-end development.
- Expertise in performance optimization, including caching, resource management, and optimizing for high-volume transactions.
- Familiarity with version control systems like GitHub and CI/CD pipelines using GitHub Actions.
- Experience with modern development practices and tools, including Agile methodologies.
NICE-TO-HAVE: - Experience with payment systems, including credit card processing and payment gateways.
- Proficiency in scalability and high availability solutions for large-scale transactions.
- Familiarity with distributed systems and back-end architecture.
- Knowledge of payment systems and protocols, including EMV, PCI-DSS, 3D Secure, tokenization, and encryption.
- Comfortable working on various OS platforms.
SALARY: This role includes quarterly profit-sharing bonuses as part of a total compensation package, in addition to a full range of medical, dental, retirement planning, and other benefits. Base salary range: $111,000 - $155,500 Salary including quarterly profit-sharing bonus and comprehensive benefits program range (annualized): $140,925 - $ 194,325
LOCATION: This role requires the employee to work onsite at our Anaheim Hills location.
WHY WORK HERE? - Awarded Top Workplace of Orange County by the OC Register.
- Flex PTO.
- New state-of-the-art, open-concept facility with stand-up desks, balance boards, stationary bikes, and more.
- Work hard, play hard culture.
- Monthly Beer Socials and BBQs.
- Proven "promote from within" mentality.
- Benefit offerings:
- Medical, dental, vision, acupuncture, and chiropractic
- 401k Safe Harbor; 100% employer match processed semi-monthly, up to 4%
- Profit Sharing; paid on a quarterly basis