Fiserv

Senior Software Engineer - Cloud & Network Integration

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

Qualifications

  • 6+ years in software development or engineering roles.
  • 3+ years experience with Java, C#, C++, C, or similar languages.
  • Hands-on with REST and event-driven integrations (RabbitMQ, webhooks).
  • 2+ years in cloud environments (AWS, Azure, or GCP).
  • Familiar with APIs, microservices, and distributed architectures.
  • Knowledge of networking basics (TCP/IP, DNS, HTTP/HTTPS).
  • Experience in troubleshooting application performance in enterprises.
  • Bilingual in Spanish or Portuguese preferred.

Responsibilities

  • Design, develop, and implement software for Vision NEXT platform.
  • Support REST and event-driven integrations while ensuring delivery reliability.
  • Collaborate with teams to maintain platform stability and performance.
  • Troubleshoot complex application and production issues effectively.
  • Participate in code reviews to uphold best practices and security standards.
  • Monitor system performance and conduct root cause analysis.
  • Support cloud-native applications in AWS environments.

Benefits

  • Collaborative work environment focused on in-person teamwork.
  • Opportunities for skill enhancement and professional growth.
  • Engagement in innovative projects within cloud technology.
  • Supportive culture reinforcing effective onboarding and teamwork.
Full Job Description
Job Title
Senior Software Engineer - Cloud & Network Integration

About your role:

In this role, you will contribute to the development and support of the cloud-native Vision NEXT platform - Fiserv's next-generation, cloud-native card issuing and payment processing platform built on microservices, APIs, and event-driven architecture - leveraging APIs, event-driven architectures, AWS services, and real-time authorization capabilities. You will serve as a technical resource for application development, integration, troubleshooting, and client implementations while helping provide software solutions for our LATAM partners.

What you'll do
  • Design, develop, test, and implement software applications supporting Fiserv's Vision NEXT platform.
  • Develop and support REST and event-driven integrations - RabbitMQ, webhooks - applying retry and idempotency design patterns for reliable delivery.
  • Develop and support integrations utilizing APIs, microservices, and event-driven architectures.
  • Build and maintain API test automation using RestAssured, Karate, and Postman/Newman.
  • Troubleshoot and resolve complex application, connectivity, and production support issues.
  • Work closely with infrastructure, network, and security teams to ensure platform stability, performance, and reliability.
  • Participate in code reviews to ensure adherence to coding standards, security requirements, and engineering best practices.
  • Support cloud-native applications deployed within AWS environments.
  • Monitor system performance and assist with root cause analysis for application and network-related issues.


Experience you'll need to have:
  • 6+ years of experience in software development, software engineering, or related technology disciplines.
  • 3+ years of hands-on experience with Java, C#, C++, C, or similar object-oriented programming languages.
  • Hands-on experience with REST and event-driven integrations - RabbitMQ, webhooks - and retry/idempotency design patterns.
  • 2+ years of experience developing or supporting applications within AWS, Azure, or Google Cloud Platform (GCP) environments.
  • Experience working with APIs, microservices, and distributed application architectures.
  • Knowledge of networking fundamentals, including TCP/IP, DNS, HTTP/HTTPS, VPN connectivity, firewalls, load balancing, and SSL/TLS.
  • Experience troubleshooting application performance, connectivity, and integration issues in enterprise environments.
  • Bilingual proficiency in Spanish or Portuguese.
  • Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field, or an equivalent combination of education, professional experience, and/or military experience.


Experience that would be great to have:
  • Experience within financial services, payments, banking, or fintech environments.
  • Experience with cloud-native architectures, event-driven systems, APIs, and real-time transaction processing platforms.
  • Ability to write technical specifications a development team can build from.
  • Experience deploying and supporting containerized applications on Kubernetes and Red Hat OpenShift, including networking, scaling, and troubleshooting.
  • Familiarity with networking technologies including firewalls, load balancers, proxies, and hybrid cloud connectivity.
  • Experience supporting applications in AWS environments.
  • Experience with monitoring and observability tools.


Important information about this role:
  • This is a fully onsite position, Monday through Friday. Fiserv believes in the value of in-person collaboration, which supports effective onboarding, drives innovation, strengthens teamwork, and enhances overall productivity.
  • Must possess U.S. Citizenship or U.S. Permanent Resident (Green Card) status.
  • Strong verbal and written communication skills are required.


How you'll work:
  • This role requires regular use of a computer, phone, and audio/video collaboration equipment.
  • Success in this role requires strong technical problem-solving, communication, analytical, and relationship-management skills.
  • You will contribute technical expertise to deliver successful solutions while collaborating across multiple technology disciplines.


#ApplicationSupport #SystemsIntegration #InfrastructureEngineering #APIIntegration #Microservices #CloudEngineering #LI-CD1

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont, Virginia, Maine or Washington.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.

Thank you for considering employment with Fiserv. Please:

  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

About Fiserv

CashEdge(R) provides infrastructure that global financial institutions rely on to extend their online channels and enhance customer profitability. CashEdge delivers secure Online Money Movement and Advanced Account Aggregation platforms that power specialized retail banking and advisor applications. These proven solutions enable CashEdge's clients to create compelling online offerings that attract customers, generate revenues, and reduce costs. CashEdge serves top-tier financial institutions around the world. Clients and partners include Vanguard, RBC Financial Group, CIBC, Yahoo! Finance, Digital Insight, First Data, TD Canada Trust, NYCE, Laurentian Bank, Financial Fusion and Corillian. CashEdge has offices in New York and Silicon Valley.

Fiserv Careers

Join the Fiserv team today and be part of a dynamic company known for innovation, leadership, and a commitment to the professional growth of its employees. At Fiserv, we offer more than just job opportunities; we provide a platform where skills are honed, leadership is cultivated, and career aspirations are achieved. Work You’ll Do At Fiserv, we are constantly on the lookout for talented individuals eager to thrive in a culture that fosters growth and diversity. Our team is composed of professionals who lead the way in financial services technology. By joining us, you will collaborate with some of the brightest minds in the industry, working together to solve complex challenges and deliver innovative solutions that impact millions of people every day. Explore Our Job Opportunities Whether you're seeking an entry-level position or a more senior role, Fiserv offers a range of career paths in areas such as software development, project management, financial analysis, and client services. Our hiring process is designed to identify and attract individuals who are not only technically proficient but who also embody our values of integrity and responsibility. Internship Programs Kickstart your career with a Fiserv internship. Our internships provide invaluable workplace experience and networking opportunities that often lead to full-time employment. As an intern, you’ll gain hands-on experience while working on meaningful projects that directly contribute to the company’s goals. Benefits and Culture Fiserv is committed to the well-being and continuous development of our employees. We offer competitive benefits including health, dental, and vision insurance, as well as opportunities for professional development through leadership training and diversity programs. Our culture is one of inclusion, where every team member is valued and has the opportunity to contribute to our success. Career Growth and Development We believe in nurturing the potential of our employees through career development initiatives and continuous learning opportunities. At Fiserv, you will find a supportive environment where you can grow your career through on-the-job experiences, mentoring, and formal training. Stay Connected Join Our Team Search open positions that match your skills and interests. We look for passionate, curious, creative, and solution-driven team players. Start your journey with Fiserv today and help shape the future of financial services. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Job Alert Emails Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding career opportunities that await at Fiserv. Explore, innovate, and grow with Fiserv. Let your career journey begin here, where you can make a real difference in the world of finance.
Learn more about Fiserv
Size
44,000 employees
Market Cap
$63.4 billion
Industry
Net Income
$958 million
Founded
1984
5 Year Trend
+24.1%
Revenue
$14.8 billion
NASDAQ

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