Java Backend Engineer jobs in United States
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NymCard · 1 month ago

Java Backend Engineer

positionUnited States
timeFull-time
remoteRemote
seniorityMid, Senior Level
date4+ years exp

NymCard is a company focused on enabling fintech and financial innovators to launch payment programmes with modern infrastructure. The Java Backend Engineer will design and build APIs for NymCard's real-time payment infrastructure while collaborating with various teams to ensure system security, maintainability, and scalability.

BankingFinancial ServicesFinTechPayments

Responsibilities

Own and drive the design of scalable backend services and APIs that power real-time payments
Collaborate closely with Product, DevOps, and Engineering leads to align system capabilities with business goals
Contribute to architectural decision-making, balancing performance, security, and maintainability
Lead initiatives to evolve the platform from project-based delivery toward a unified product architecture
Conduct thoughtful code reviews, raise engineering standards, and mentor others through technical leadership
Troubleshoot and resolve complex production issues with a focus on root-cause elimination
Influence and support the adoption of best practices in API design, observability, and operational resilience
Provide input into roadmap planning from a technical feasibility and scalability perspective

Qualification

Java backend developmentSystem designRESTful API designRelational databasesNoSQL databasesMessaging systemsCI/CD pipelinesAgile deliverySecure coding practicesTechnical communication

Required

4+ years of hands-on Java backend development experience, ideally with distributed systems
A strong foundation in system design, architecture, and scalability principles
Proficiency in relational and NoSQL databases (e.g. PostgreSQL, MongoDB, SQL Server, Oracle)
Deep understanding of RESTful API design, OpenAPI standards, and API gateway patterns
Experience designing or integrating with messaging systems like Kafka, RabbitMQ, Amazon SQS/SNS in event-driven architectures
Experience working closely with Product, DevOps, and cross-functional teams to deliver aligned solutions
Knowledge of secure coding practices, data privacy, and application-level security
Ability to navigate technical ambiguity and make trade-off decisions under constraints
Familiarity with CI/CD pipelines, agile delivery, and modern software practices
Strong communication skills — able to explain technical concepts to non-technical audiences

Preferred

Experience evolving monoliths or legacy systems into modular platform architectures
Exposure to payments infrastructure, such as card issuing, settlement, or transaction clearing
Familiarity with PCI DSS compliance and security audits
Hands-on experience scaling platforms in high-growth or regulated environments
Contributions to engineering culture, such as mentorship, knowledge-sharing, or internal tooling initiatives
Past experience working in product-first engineering teams or helping shape roadmaps from a technical lens

Company

NymCard

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NymCard is an API-first finance platform providing payment infrastructure, card issuance, transaction processing, and digital lending.
dateFounded in 2018
location
Abu Dhabi, Abu Dhabi, ARE
people-size201-500 employees
web-link
https://www.nymcard.com

Funding

Current Stage
Growth Stage
Total Funding
$69.1M
Key Investors
QED InvestorsDisruptADMashreq Bank
2025-03-18Series B· $33M
2022-06-08Series A· $22.5M
2022-02-24Debt Financing

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Company data provided by crunchbase