Junior Software Engineer Jobs in Warren, NJ (NOW HIRING)

As American Express continues to grow, so does the technology infrastructure that powers our products and services globally. Our organization is focused on enabling engineers to rapidly build and deploy new applications, helping American Express bring products to market quickly, efficiently, and reliably while delivering exceptional experiences for our customers around the world.
As a Software Engineer (E1), you will join a team building platforms, services, and developer capabilities that simplify how applications are developed and operated at scale.
Some of the engineering challenges the team works on include:

• Defining and improving the developer experience for the next generation of American Express applications.
• Building automation to provision infrastructure and deploy software across hundreds of applications.
• Developing and operating highly available global services with compute and data distributed across geographically diverse environments.
• Building cloud-native platforms and services that are secure, reliable, scalable, and extensible.
• Improving automation, deployment, observability, and operational capabilities across our technology ecosystem.

Our technology environment includes Go, Java, Kotlin, TypeScript, JavaScript, and Python; React for browser-based applications; GitHub Enterprise and GitHub Actions for source control and CI/CD; and Kubernetes-managed containers running across private and public cloud environments.
Additional technologies used across our ecosystem include GraphQL, gRPC, Kafka, Postgres, Couchbase, Cassandra, Elasticsearch, Redis, OpenTracing, Jaeger, Prometheus, and Grafana.
Responsibilities

• Scope technical projects and translate requirements into well-defined user stories and engineering tasks.
• Contribute directly to the architecture, design, development, testing, deployment, and operation of software systems.
• Design and build secure, reliable, scalable, maintainable, and extensible cloud-native applications and services.
• Develop automation and platform capabilities that improve developer productivity and application delivery.
• Build and enhance CI/CD pipelines and cloud-hosted environments.
• Participate in technical design discussions and make sound engineering decisions in collaboration with teammates and partner engineering teams.
• Apply software engineering best practices, including code reviews, automated testing, observability, security, and operational readiness.
• Troubleshoot complex technical issues and contribute to the reliability and performance of production systems.
• Collaborate effectively with engineers and stakeholders across teams to deliver high-quality solutions.
• Mentor and support junior engineers, helping them develop their technical skills and engineering practices.
• Continuously identify opportunities to simplify processes, improve automation, and enhance the overall developer experience.

Qualifications
Minimum Qualifications

• 3+ years of professional software engineering experience.
• Experience designing, developing, and supporting production software applications or services.
• Hands-on development experience with Java and/or Go.
• Experience developing cloud-native applications and distributed systems.
• Experience with DevOps practices, such as building CI/CD pipelines, infrastructure automation, or configuring cloud-hosted environments.
• Experience with containerization and orchestration technologies such as Docker and Kubernetes.
• Working knowledge of Git-based software development and modern software engineering practices.
• Understanding of software design principles, automated testing, security, reliability, and operational best practices.
• Strong problem-solving skills with the ability to make sound technical decisions in collaboration with other engineers.
• Strong communication and collaboration skills, including the ability to give and receive constructive feedback and work effectively across teams.
• Experience supporting or mentoring junior engineers.

Preferred Qualifications

• Experience with technologies such as Kotlin, TypeScript, Python, or JavaScript.
• Experience with public or private cloud platforms and cloud infrastructure.
• Experience with GitHub Enterprise and GitHub Actions.
• Experience building or operating Kubernetes-based platforms.
• Familiarity with distributed systems technologies such as Kafka, gRPC, GraphQL, Postgres, Couchbase, Cassandra, Elasticsearch, or Redis.
• Experience with observability and monitoring technologies such as OpenTracing, Jaeger, Prometheus, or Grafana.
• Experience building developer platforms, infrastructure automation, or internal developer tooling.

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 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
• 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.
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. American Express will consider for employment all qualified applicants, including those with arrest or conviction records, in accordance with the requirements of applicable state and local laws, including the California Fair Chance Act, the Los Angeles County Fair Chance Ordinance for Employers, and the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance. For positions covered by federal and/or state banking regulations, American Express will comply with such regulations as it relates to the consideration of applicants with criminal convictions.
We back our colleagues with the support they need to thrive, professionally and personally. That's why we have Amex Flex, our enterprise working model that provides greater flexibility to colleagues while ensuring we preserve the important aspects of our unique in-person culture. Depending on role and business needs, colleagues will either work onsite, in a hybrid model (combination of in-office and virtual days) or fully virtually.
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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.