American Express

Sr Software Engineer I

American Express • $110K — $130K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of software engineering experience focusing on backend development.
  • Proficiency in Java 8+ and Kotlin for enterprise applications.
  • Hands-on experience with RESTful APIs and microservices development.
  • Strong understanding of application security practices and cryptographic protocols.
  • Experience with Agile methodologies like Scrum or Kanban.

Responsibilities

  • Develop enterprise-grade applications using Java and Kotlin.
  • Design and implement scalable RESTful APIs and microservices.
  • Ensure application security using encryption and industry standards.
  • Employ modern Java features like Streams API and Completable Future.
  • Collaborate with cross-functional teams to enhance user experiences.

Benefits

  • Flexible working model with hybrid, onsite, or virtual arrangements.
  • 20+ weeks paid parental leave for all parents, regardless of gender.
  • Comprehensive medical, dental, vision, life insurance, and disability benefits.
  • Career development and training opportunities.
  • Access to free financial coaching and wellness centers.
Full Job Description
Job Description

We're looking for an experienced Sr. Engineer l to work on the mobile payments solutions that will be used by tens of millions of cardholders around the world. We want someone who is super creative and enjoys solving tough problems. You should be able to come up with brilliant solutions that no one else can, and be obsessive about UI/UX design and user experience.

You'll be part of the Digital Payments Engineering team whose mandate is to develop new products and platforms for American Express customers. Payments Engineering's aim is to build interactive experiences at all touch points of a consumer's journey whether before, at, or after the time of purchase. The products will range from new payment vehicles and partnerships with other payment entities to interactive web experiences.

Responsibilities

  • Strong proficiency in Java 8+ with extensive experience developing enterprise-grade applications.
  • Hands-on experience with Kotlin for backend application development.
  • Strong knowledge of modern Java features, including Streams API, Completable Future, lambda expressions, functional programming concepts, and the Java Concurrency framework
  • Strong understanding of object-oriented design principles, SOLID principles, and common design patterns.
  • Experience designing and developing RESTful APIs and microservices.
  • Experience implementing secure application development practices, including JSON Web Encryption (JWE) and industry-standard encryption mechanisms for protecting sensitive data in transit and at rest.
  • Working knowledge of cryptographic concepts and standards, including JWE, JWT, JWS, TLS/SSL, AES, RSA, digital signatures, key management, and certificate-based authentication.
  • Experience building scalable, resilient, and high-performance distributed systems.
  • Strong understanding of multithreading, asynchronous programming, concurrency, synchronization, and performance optimization.
  • Experience with Maven or Gradle build tools.
  • Strong analytical, troubleshooting, and problem-solving skills.


Qualifications

Preferred Qualifications

Experience with one or more of the following:
  • Vert.x or other reactive frameworks (Spring WebFlux, Quarkus, Micronaut, Reactor)
  • Couchbase or other NoSQL databases (MongoDB, Cassandra, DynamoDB)
    OAuth 2.0, OpenID Connect, and enterprise authentication/authorization frameworks
  • Event-driven architectures using Kafka or similar messaging platforms
    Docker and Kubernetes AWS, Open-Shift, or Google Cloud
    CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, or similar tools
    Observability tools such as Splunk, Prometheus, Grafana, or OpenTelemetry


Work Experience
  • 5+ years of professional software engineering experience with a strong focus on backend application development.
  • Extensive experience designing, developing, testing, and deploying enterprise applications using Java 8+ and Kotlin.
  • Hands-on experience implementing asynchronous and concurrent applications using Completable Future, Java Streams, Executor Framework, and Java concurrency utilities.
  • Experience designing and building scalable RESTful APIs and microservices.
  • Experience implementing application security using JWE, encryption libraries, secure key management practices, and industry-standard cryptographic protocols.
  • Experience securing APIs using authentication and authorization standards such as OAuth 2.0, JWT, and TLS/SSL.
  • Experience developing applications in distributed, multi-tier architectures.
  • Experience with relational and NoSQL databases.
  • Experience with Agile software development methodologies, including Scrum or Kanban.
  • Experience writing automated unit, integration, and performance tests.
  • Experience performing code reviews, mentoring engineers, and driving engineering best practices.
  • Experience troubleshooting production issues, improving application performance, and enhancing system reliability.
  • Strong communication and collaboration skills with the ability to work effectively across engineering, architecture, and product teams.

Nice to Have
  • Experience with reactive programming using Vert.x or similar frameworks.
  • Experience with event-driven and message-based architectures.
  • Experience designing secure, high-throughput APIs for enterprise platforms.
  • Experience leading technical design discussions and driving architectural decisions.
  • Experience mentoring engineers and contributing to engineering standards and best practices.
  • Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, or a related technical discipline, or equivalent practical experience.


Depending on factors such as business unit requirements, the nature of the position, cost and applicable laws, American Express may provide visa sponsorship for certain positions.

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
  • 6% Company Match on retirement savings plan
  • Free financial coaching and financial well-being support
  • Comprehensive medical, dental, vision, life insurance, and disability benefits
  • Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need
  • 20+ weeks paid parental leave for all parents, regardless of gender, offered for pregnancy, adoption or surrogacy
  • 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

For a full list of Team Amex benefits, visit our Colleague Benefits Site.

The below represents the expected salary range for this job requisition. Ultimately, in determining your pay, we'll consider your location, experience, and other job-related factors.

About American Express

Amex provides industrial services to the coatings and linings sector, providing support for commercial, industrial, and maritime projects such as petrochemical, power, and water treatment industries. They offer painting services for steel structures, storage tank linings and coatings, pipelines, floors, and marine vessels such as ships, tugboats, and barges.

American Express Careers

Join the vibrant team at American Express, a global leader in financial services, and be part of a company that values innovation, leadership, and diversity. At American Express, we offer more than just job opportunities; we provide a platform for professional growth and a chance to be part of a culture that is committed to excellence and inclusive growth. Work You’ll Do At American Express, we are dedicated to helping our employees reach their full potential. With a variety of career paths available in areas such as technology, marketing, finance, and customer service, American Express is the perfect place to advance your career. Our team is composed of highly skilled professionals who thrive on innovation and collaboration. Join our team and contribute to a company known for its prestigious history of leadership in the credit card industry. Engage in meaningful work that makes a real impact on our global scale business operations. American Express Leadership and Development Programs We believe in nurturing the leadership skills of our employees with extensive training programs and leadership development opportunities. Our commitment to professional growth is evident in our comprehensive benefits package that supports both personal and professional development. Internship Opportunities Start your career with an internship at American Express and gain valuable industry experience. Our internships offer a chance to develop skills, work on challenging projects, and learn from leaders in the industry. Interns at American Express are considered integral members of the team and are given responsibilities that provide a real insight into their future career paths. Diversity and Inclusion At American Express, diversity and inclusion are at the core of our company culture. We are committed to building a diverse workforce and inclusive environment where every employee feels valued and inspired. We offer diversity training programs that empower our employees to thrive and lead in a global marketplace. Networking and Innovation Our employees enjoy unparalleled opportunities for networking and personal growth through our global connections and innovative projects. American Express encourages a culture of innovation that helps propel our company and your career forward. Career Benefits and Growth American Express is dedicated to the growth of its employees. We offer competitive benefits, including health, retirement plans, and family leave, ensuring that our team members have the support they need to succeed both at work and in their personal lives. Join Our Team Explore the job opportunities and open positions at American Express. We are continuously hiring talented individuals who are passionate about their careers and interested in working for a company that offers a dynamic and supportive environment. Stay Connected Keep up to date with the latest from American Express Careers by following our career blog and signing up for job alert emails. Tailor your subscription to receive updates that match your skills and interests. Discover the exciting and rewarding career opportunities that await at American Express. SEARCH AMERICAN EXPRESS JOBS Whether you are looking for a full-time position, an internship, or a leadership opportunity, American Express offers a path to a rewarding career. Join us and make a difference with your passion, creativity, and drive.
Learn more about American Express
Size
64,000 employees
Market Cap
$108.1 billion
Industry
Net Income
$3.1 billion
Founded
1850
5 Year Trend
+3.5%
Revenue
$37 billion
NASDAQ

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