Fiserv · 1 day ago
C++ Developer
Berkeley Heights, NJ
Full-time
Onsite
Senior Level, Lead/Staff
$110K/yr - $186K/yr
8+ years expFiserv is a global leader in Fintech and payments, connecting financial institutions, corporations, merchants, and consumers. They are seeking an experienced C++ Developer to build and support high-throughput, low-latency payment gateway systems, ensuring the reliability and scalability of their payment platform.
Financial ServicesFinTechInformation ServicesInformation Technology
Responsibilities
Utilize your server‑side and systems engineering experience to understand business constraints and payment domain requirements, elevating the quality, stability, and performance of the platform over time
Develop new features. Investigating, reproducing, and resolving production issues
Improve performance, reliability, and code quality
Take full ownership of merchant‑ and transaction‑facing services from development through deployment and production monitoring
Work closely with the Infrastructure and DBA teams to design efficient Oracle data models, transaction flows, and failover strategies that support high TPS and high availability
Write and maintain automated tests and diagnostic tooling to ensure system correctness and regression safety
Support and operate the payment platform in production, including troubleshooting live issues, root‑cause analysis, and preventive improvements
Follow Agile SDLC and participate in planning and Scrum boards
Qualification
Required
8+ years of professional C++ development experience, building and supporting large‑scale, server‑side systems
6+ years of experience developing high‑performance, multi‑threaded, low‑latency applications
6+ years of hands‑on experience with mission‑critical or high‑TPS systems, ideally in payments, financial services, or transaction processing domains
6+ years of experience with Oracle databases, including: SQL and PL/SQL as well as Pro•C or equivalent embedded SQL approaches
6+ years of experience in debugging across production environments, including memory issues, performance bottlenecks, and intermittent failures
Bachelor's degree in computer science, Information Technology, Information Systems, or a related field (or foreign equivalent degree) or equivalent work experience
Preferred
Prior experience working on payment gateways, switching systems, or financial transaction platforms
Familiarity with high‑availability architectures, active‑active deployments, and disaster recovery setups
Experience with Linux system internals, networking, and performance tuning
Exposure to cloud platforms (AWS, Azure, or GCP) in hybrid or on‑prem payment environments
Benefits
An annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company’s sole discretion.
Company
Fiserv
Fiserv is a provider of technology solutions to the financial services industry.
10001+ employees
H1B Sponsorship
Fiserv has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2020 (1)
Funding
Current Stage
Public CompanyTotal Funding
$2.48BKey Investors
BlackBird Financial LP
2026-01-06Post Ipo Equity
2025-04-29Post Ipo Debt· $2.48B
1986-10-03IPO
Leadership Team
Michael Lyons
President and CEO-Elect, Fiserv
Robert Hau
EVP, CFO
Recent News
Crowdfund Insider
2026-02-05
2026-02-03
Company data provided by crunchbase