About Us:
Calsoft is an engineering-led digital product partner for global ISVs and tech-driven enterprises. Since 1998, we’ve helped customers build platforms, modernize systems, and scale with confidence, across cloud, AI, and connected ecosystems. With engineering roots in Silicon Valley and delivery strength in India, we operate at the intersection of product development, intelligent automation, and secure digital transformation.
FullStack Developer (Java/React)
Irvine, CA - Hybrid/Onsite
Role Description
- We are seeking a Full Stack Developer to build and enhance payment and marketplace platforms.
- The role involves developing scalable backend services using Java and building responsive UIs using React, while working on features such as payment flows, order management, and digital ful fillment in a cloud-native environment.
- Must-Have Skills Strong experience in Java (Spring Boot) for backend development
- Hands-on experience with React.js and JavaScript/TypeScript Experience designing and integrating REST APIs Solid understanding of microservices architecture
- Experience with databases (MySQL/PostgreSQL) Exposure to payment systems (transactions, APIs, webhooks) or marketplace features (orders, carts, fulfillment)
- Proficiency with Git and Agile development practices Good-to-Have Skills
- Experience with AWS (Lambda, SQS/SNS, API Gateway)
- Knowledge of event-driven architectures Familiarity with payment security standards (e.g., PCI concepts)
- Experience with performance optimization and scalability Exposure to CI/CD pipelines and containerization (Docker/Kubernetes)
Compensation:
Base Annual Compensation: $125,000 - $200,000
The salary range listed represents the Company’s good-faith estimate of the base compensation reasonably expected to be offered for this position at the time of posting. The actual salary offered to the selected candidate may vary based on job-related factors, including work location, market conditions, relevant experience, education and training, technical skills, demonstrated abilities, internal equity, and the results of role-specific technical evaluations conducted during the selection process. This position may also be eligible for benefits and other forms of compensation, as applicable. Compensation decisions are made in accordance with applicable federal, state, and local laws.
Benefits we offer:
- Comprehensive group health insurance coverage subject to plan terms.
- 401(k) retirement savings plan participation, in accordance with applicable plan provisions.
- Flexible work environment
- Holidays and paid time off program, subject to company policy.
Calsoft core values:
- Customer Focus
- Integrity
- Innovation
- Ownership
- Excellence
- Team Spirit
Calsoft provides Equal Employment Opportunity to all employees and applicants for employment without regard to race, colour, religion, gender identity or expression, sex, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Calsoft complies with applicable state and local laws governing non-discrimination in employment.
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