Backend DeveloperQuantum Electronic Payments • Anaheim, California, USA
Backend Developer
Quantum Electronic Payments • Anaheim, California, USA
[job_card.variable_days_ago]
[job_preview.job_type]
- [job_card.full_time]
[job_card.job_description]3 years of experience in backend development using Python (FastAPI or Flask preferred) Strong understanding of RESTful APIs OAuth 2.0 authentication and secure API development Experience with PostgreSQL and data modeling for high-volume transactional systems Familiarity with cloud hosting environments such as AWS DigitalOcean and containerization tools like Docker Experience with Apache Kafka and Apache Spark for streaming data processing is a strong plus Exposure to Airflow for orchestration and monitoring of ETL workflows Knowledge of Agile development methodologies (e.g. Scrum) and tools like Jira or Trello Familiarity with CI / CD pipelines GitHub Actions and automated testing frameworks Excellent communication and problem-solving skills with the ability to collaborate cross-functionally Prior experience integrating with payment platforms processors CRMs or chargeback systems is a strong plus. Awarded Top Workplace of Orange County by the OC Register three years in a row! Flex PTO! Remote flexibility! Work hard play hard culture! Proven promote from within mentality! Benefit offerings : 401k Safe Harbor; 100% employer match processed semi-monthly up to 4%
Unlock your potential with Quantum ePay Were a full-service financial technology provider that helps business owners lower their costs earn more money and improve their quality of life.
Were looking for a skilled Backend Developer to design and implement technical solutions that integrate our chargeback solution with client systems end to end. Youll own backend architecture develop APIs and collaborate across teams to deliver scalable and reliable integrations that meet client needs.
ESSENTIAL DUTIES AND RESPONSIBILITIES
- Design build and maintain backend services and microservices that support data ingestion normalization and integration with various CRM processor and card network platforms
- Develop document and maintain RESTful APIs using OAuth 2.0 authorization and JSON-based payloads
- Implement and monitor streaming data pipelines using Kafka and Apache Spark for real-time enrichment and processing
- Collaborate with front-end developers product managers and QA to deliver secure scalable and performant end-to-end features
- Troubleshoot and resolve backend issues by analyzing logs traces and API interactions across PostgreSQL Kafka and microservices
- Participate in code reviews and champion secure development practices aligned with PCI DSS compliance
- Maintain observability through monitoring and alerting dashboards (Grafana Loki Airflow) and support the internal DevOps portal for job orchestration service health checks and custom workflow tracking
- Contribute to CI / CD pipeline enhancements using GitHub Actions and container-based workflows (Docker)
QUALIFICATIONS
WHY WORK HERE
Medical dental vision acupuncture and chiropractic
Key Skills
Business Intelligence,Bidding,Accounts Assistant Credit Control,Account Development,Content Development,Lab Testing
Employment Type : Full-Time
Experience : years
Vacancy : 1
Yearly Salary Salary : 115000 - 145000
[job_alerts.create_a_job]
Backend Developer • Anaheim, California, USA
[internal_linking.similar_jobs]
LifeMD is a leading digital healthcare company committed to expanding access to virtual care, pharmacy services, and diagnostics by making them more affordable and convenient for all.Focused on bot...[show_more]
A Senior Software Engineer focuses on the server-side logic and infrastructure of web applications or software, ensuring functionality, performance, and security.
They work with databases, APIs, and...[show_more]
Bachelor's degree or equivalent industry experience in healthcare, business, computer science, education, or other relevant field.
Minimum of 3 years of cloud application experience.Minimum of 5 yea...[show_more]
The Best Teams are Created and Maintained Here.The Business Developer (BD) works to improve BrightView’s market position and achieve profitable financial growth.
This role helps to achieve long-term...[show_more]
Culver City, CA (Hybrid – onsite 2 days / week).Monday–Friday, 8 : 00 AM – 5 : 00 PM.Temporary, covering LOA / maternity leave.
Bilingual in Spanish is a must.We are seeking a hands-on HR Generalist to prov...[show_more]
A company is looking for a Backend Developer.Key Responsibilities Develop and maintain REST APIs that power applications Build robust solutions using Java, Kotlin, Spring Boot, and Quarkus Driv...[show_more]
This company is looking for top Business Developer.We partner with a growing and well-established commercial restoration company to help them find qualified and talented individuals like yours...[show_more]
PIMCO is a global leader in active fixed income with deep expertise across public and private markets.We invest our clients' capital across a range of fixed income and credit opportunities, leverag...[show_more]
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 o...[show_more]
Mercor is hiring experienced Go Engineers • • to support a variety of high-impact research collaborations with leading AI labs.
Freelancers will help improve AI systems through work extending coding b...[show_more]
Job Title : Senior SQL and Power BI Developer Location : Remote Duration : 12 Months Contract (Good Possibilities of extens...[show_more]
We are seeking a Senior SQL & Power BI Developer to lead and execute complex application development, database engineering, ETL pipelines, and enterprise data reporting.
This role functions as a tec...[show_more]
Job Title : Senior SQL and Power BI Developer Location : Downey, CA (Remote) Job Type : Contract W2 < / di...[show_more]
Fair Labor Standard Act Classification : .Chapman University is required to provide a reasonable estimate of the compensation range for this position.
This range takes into account a variety of factor...[show_more] A company is looking for a Sr Backend Developer (Node & Python).Key Responsibilities : Develop RESTful and GraphQL APIs using Node.
Python Implement event-driven architecture and build containeriz...[show_more] 
Software powers the world, and LaunchDarkly empowers all teams to deliver and control the best software.As a Backend Engineer, you will help us build features, design and implement API methods, and...[show_more]
We are seeking a Senior SQL & Power BI Developer to lead and execute complex application development, database engineering, ETL pipelines, and enterprise data reporting.
This role functions as a tec...[show_more]
Highly proficient in testing and building test automation for desktop applications APIs packaged applications and custom applications.
Recent hands on experience with one or more programming languag...[show_more]
Lead Backend Engineer (Virtual Primary Care Platform)
Lifemd • Huntington Beach, California, United States
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Senior Software Engineer (Backend)
Panda Restaurant Group • Rosemead, CA, US
[job_card.full_time] +1
[last_updated.last_updated_30]
CPQ Developer (Big Machines)
Sunrise Systems • Brea, California, United States
[job_card.full_time]
[filters_job_card.quick_apply]
[last_updated.last_updated_30]
Business Developer
BrightView Landscapes • Anaheim, CA, US
[job_card.full_time]
[last_updated.last_updated_30]
HR Generalist (Bilingual)
Vaco by Highspring • Altadena, California, United States
[job_card.temporary]
[last_updated.last_updated_variable_days] • [promoted]
Backend Developer
VirtualVocations • Anaheim, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Restoration Business Developer
Gpac • Seal Beach, California, United States
[job_card.full_time]
[filters_job_card.quick_apply]
[last_updated.last_updated_variable_days]
Senior Java Developer - PIMCO
Jobs via eFinancialCareers • Newport Beach, CA, United States
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Full-Stack Developer - Laravel
Quantum Electronic Payments • Anaheim, CA, USA
[job_card.full_time]
[filters_job_card.quick_apply]
[last_updated.last_updated_30]
Remote Backend Software Engineer : Go - AI Trainer ($80-$100 per hour)
Mercor • Fountain Valley, California, US
[filters.remote]
[job_card.part_time]
[last_updated.last_updated_variable_days] • [promoted]
Senior SQL and Power BI Developer
Trinus • Downey,, CA, United States
[job_card.temporary]
[filters_job_card.quick_apply]
[last_updated.last_updated_variable_days]
Database Developer (Downey)
CXC • Downey, CA, US
[job_card.part_time]
[last_updated.last_updated_variable_hours] • [promoted] • [new]
Senior SQL and Power BI Developer
Nastech Global • Downey, CA, United States
[job_card.full_time]
[filters_job_card.quick_apply]
[last_updated.last_updated_1_day]
Senior PeopleSoft Developer
InsideHigherEd • Orange, California, United States
[job_card.full_time] +1
[last_updated.last_updated_30] • [promoted]
Senior Backend Developer
VirtualVocations • Norwalk, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Backend Engineer, Data Platform
Launchdarkly • Norwalk, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Database Developer
CXC • Downey, CA, United States
[job_card.full_time]
[last_updated.last_updated_less] • [promoted] • [new]
Senior Backend Automation Engineer
Sumeru Solutions • Rosemead, California, USA
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]