Software Engineer II

Job Description

LUMI is the company’s largest Big Data Platform, ideally suited for computationally and/or data‑intensive processing applications. Whether the data needs to be processed in batch, online, or streaming mode, LUMI provides robust, scalable, and cost‑efficient capabilities to handle such workloads effectively.

This role sits within a hub of highly motivated Big Data engineers working on exciting and upcoming technologies. The Cornerstone platform offers an environment where engineers are challenged every day to build high‑quality, reliable products.

As we continue our journey to the public cloud (GCP), you will be part of a fast‑paced Agile team contributing to the design, development, testing, troubleshooting, and optimization of solutions that simplify access to American Express’s Big Data Platform.

Focus

Designs, develops, debugs, tests, deploys, and documents software components and services that support customer‑facing applications, business applications, and internal platforms, under the guidance of senior engineers and architects.

Organizational Context

Member of an engineering or delivery and integration team, reporting to an Engineering Manager or Engineering Director, and working closely with senior engineers and cross‑functional partners.

Responsibilities

We are looking for a Software Engineer II with solid backend development experience who is passionate about building scalable and reliable systems. The ideal candidate will have hands‑on experience with Java, microservices‑based systems, cloud‑native development, and modern CI/CD practices.

You will contribute to the delivery of well‑designed solutions, collaborate closely with peers and senior engineers, and continue to grow your technical and system design skills.

Key Responsibilities

• Design, develop, and maintain backend services and APIs using Java and microservices under established architectural guidelines.
• Write clean, maintainable, and well‑tested code following engineering best practices.
• Contribute to building and improving CI/CD pipelines to support reliable software delivery.
• Work with container technologies (Docker, Kubernetes, etc.) to build and deploy cloudy applications.
• Collaborate with product managers, architects, front-end engineers, and other stakeholders to deliver end‑to‑end features.
• Identify and fix performance issues, bugs, and reliability gaps in existing systems.
• Participate actively in code reviews, sprint planning, and technical discussions.
• Learn and apply system design, scalability, and operational best practices with guidance from senior engineers.
  
  

Qualifications

Required Qualifications

• 3–5 years of professional experience in backend software engineering.
• Strong proficiency in Java (Java 8+) and object‑oriented programming concepts.
• Hands‑on experience with microservices architecture and RESTful APIs.
• Working knowledge of CI/CD tools (Jenkins, GitLab CI, GitHub Actions, or similar).
• Experience with containers such as Docker and basic familiarity with orchestration platforms like Kubernetes.
• Exposure to cloud platforms (AWS, GCP, or Azure).
• Experience working with relational and/or NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB, Redis).
• Good problem‑solving, debugging, and analytical skills.
  
  

Preferred Qualifications

• Experience with Spring Boot or similar Java frameworks.
• Exposure to event‑driven systems and message brokers (Kafka, RabbitMQ, etc.).
• Basic understanding of observability and monitoring tools (Prometheus, Grafana, ELK, etc.).
• Strong eagerness to learn, collaborate, and grow into increased technical ownership over time
  
  

About Us

At American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. From delivering differentiated products to providing world-class customer service, we operate with a strong risk mindset, ensuring we continue to uphold our brand promise of trust, security, and service.

As part of Team Amex, you’ll experience our powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express.

About The Team

We back you with benefits that support your holistic well-being so you can be and deliver your best. This means caring for you and your loved ones physical, financial, and mental health, as well as providing the flexibility you need to thrive personally and professionally:

• Competitive base salaries
• Bonus incentives
• Support for financial-well-being and retirement
• Comprehensive medical, dental, vision, life insurance, and disability benefits (depending on location)
• Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need
• Generous paid parental leave policies (depending on your location)
• Free access to global on-site wellness centers staffed with nurses and doctors (depending on location)
• Free and confidential counseling support through our Healthy Minds program
• Career development and training opportunities
  
  

American Express is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, age, or any other status protected by law.

Offer of employment with American Express is conditioned upon the successful completion of a background verification check, subject to applicable laws and regulations.

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