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20 jobs similar to Backend Software Engineer - Payments Platform

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Nigeria

  • Collaborate with cross-functional teams to design and deliver high-impact features.
  • Build scalable backend services using Java, Spring Boot, and cloud infrastructure.
  • Ensure code quality through reviews, testing, and documentation.

Moniepoint Inc. is Africa’s all-in-one financial platform, helping 20 million businesses and individuals access payments, banking, credit, and more each month. As Nigeria’s largest merchant acquirer, the company processes over $250 billion annually and fosters a culture of innovation, teamwork, and growth.

$79,781–$116,347/yr
Global Unlimited PTO

  • Design, develop, and maintain scalable, high-performance, low-latency backend services using Java and AWS in a distributed environment.
  • Collaborate with product, frontend, and QA teams while optimizing services for performance, reliability, and scalability.
  • Drive engineering best practices, CI/CD, observability, and technical mentorship across the team.

A global AI-powered SaaS platform improving the safety of online transactions through distributed systems and real-time data. Remote-first, engineering-led, and AI-first culture with emphasis on learning and collaboration.

US

  • Design and implement Java 21 / Spring Boot microservices on Cloud Run for a state government professional licensing platform.
  • Own the platform API surface, specify it in OpenAPI, and ensure stable contracts for mobile, frontend, and integration teams.
  • Implement event-driven architecture, PostgreSQL persistence, and meet security/compliance requirements for public sector.

Global Unlimited PTO

  • Design and develop scalable, high-performance backend services using Java and AWS technologies.
  • Collaborate with cross-functional teams to define technical requirements and ensure smooth integration across the platform.
  • Optimize existing services for performance, reliability, and maintainability while mentoring junior team members.

Oscilar builds the most advanced AI Risk Decisioning Platform for banks, fintechs, and digital native organizations to manage fraud, credit, and compliance risk. The team includes industry veterans from Meta, Uber, Citi, and Confluent, with over 50% of the company in Engineering and Product, fostering a mission-driven culture.

US

  • Lead design and technical implementation of backend microservices for order processing, ensuring high standards of excellence and robust capabilities.
  • Mentor engineers, perform code reviews, and drive adoption of engineering best practices including AI tooling.
  • Work closely with Product Managers to gather requirements and support software from ideation to release, operation, and maintenance.

Natera is a global leader in cell-free DNA (cfDNA) testing, dedicated to oncology, women's health, and organ health. The company consists of highly dedicated professionals from world-class institutions, working together to change the landscape of genetic disease management.

Global

  • Design and implement high-performance, fault-tolerant connector integrations and distributed microservices for a multi-tenant SaaS platform.
  • Drive technical decisions, mentor junior engineers, and champion best practices including code reviews, testing, and observability.
  • Collaborate with Product, DevOps, and SRE teams to deliver features, resolve production incidents, and improve platform reliability.

Jitterbit automates and orchestrates business systems through a unified AI-infused low-code platform for integration, orchestration, automation, and app development. The company is a growing leader in the iPaaS space with a flexible, remote-friendly culture and a mission-driven team.

$146,200–$215,000/yr
US Unlimited PTO

  • Design, build, and scale backend services for payment, billing, and identity, leading scoping and implementation of APIs.
  • Drive production rollouts to completion with minimal oversight, working closely with product and engineering peers.
  • Collaborate with teams like Partner Integrations, Fin Platform, and Money to solve renters' problems in small, frequent iterations.

Flex is a fintech company that enables renters to pay rent throughout the month on a flexible schedule. It is a growth-stage NYC headquartered company with a dynamic team located throughout the US, Australia, Canada, and South America, and offers an inclusive culture.

$3,585–$3,585/mo
Europe LATAM

  • Develop clean, maintainable, and testable backend services using Java and Spring Boot.
  • Design and maintain PostgreSQL schemas, APIs, and microservices in a distributed environment.
  • Collaborate with cross-functional teams, write automated tests, and own features from implementation to release.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. The company fosters a collaborative, remote-first culture focused on clarity, growth, and open communication.

$85,600–$128,400/yr
US

  • Develop and maintain back-end services for OppFi's product portfolio using Java, Docker, AWS, and PostgreSQL.
  • Collaborate with business and technical professionals in an Agile framework to ensure well-designed systems.
  • Perform code reviews, unit testing, integration testing, and implement software best practices while learning new tools.

OppFi is a leading tech-enabled digital finance platform that works with banks to provide financial products and services for everyday Americans. It is a team of caring, innovative, and inclusive individuals with a collaborative culture, named a 2025 Crain’s Fast 50 company.

US

  • Design, build, and maintain Java-based backend services using Spring Boot or similar frameworks.
  • Develop scalable integrations with Salesforce and other internal/external systems.
  • Participate in architecture discussions, write high-quality code, and troubleshoot complex issues.

Fanatics is building a leading global digital sports platform, offering products and services across commerce, collectibles, and betting & gaming. With over 22,000 employees, the company is committed to enhancing the fan experience and delighting sports fans globally.

LATAM

  • Design and implement backend microservices following clean architecture.
  • Build and maintain REST/GraphQL APIs and event-driven integrations.
  • Write automated tests and maintain CI/CD pipelines for cloud deployment.

Software Mind is a team of engineers that ramps up top-notch companies' projects. It is a multicultural, growing company certified as a Great Place To Work.

$4,000–$5,000/mo
Ukraine 4w PTO

  • Work on product features and impact customer experience
  • Develop and maintain a Java Spring-based platform for a quickly scaling business
  • Collaborate with a distributed team of highly skilled engineers

The company is a fintech/proptech product scale-up with a distributed international team. They focus on challenging tasks and skill development for top performers.

US

  • Design, develop, and maintain features for the FinTech application using Java 21 and Spring Boot 3.x.
  • Collaborate with senior engineers and Product Managers to deliver high-quality software solutions.
  • Write unit and integration tests to ensure quality and stability of the codebase.

NationsBenefits is a Healthcare Fintech company that provides supplemental benefits and member engagement solutions to managed care organizations. It is recognized as a fast-growing company with a collaborative, compliance-focused culture and opportunities for advancement.

Latin America

  • Design, develop, and maintain scalable applications and integration services using Java and Spring Boot.
  • Build and support integrations between internal and external systems using APIs, web services, and integration frameworks.
  • Collaborate with distributed engineering, QA, and product teams throughout the full software development lifecycle.

Launchpad Technologies Inc. is a global technology partner connecting top talent with high-impact projects across North America and beyond. They specialize in Staff Augmentation and product development, offering a remote-first culture that values autonomy, purpose, and human connection.

US

  • Design, develop, and maintain secure, scalable backend services and RESTful APIs using Java, Spring Boot, and SQL.
  • Collaborate with architects, frontend developers, QA, DevSecOps, and product teams within an Agile environment.
  • Optimize backend performance, reliability, and observability across application environments.

VetsEZ is a technology consulting firm that supports federal government healthcare modernization projects. They offer a collaborative, Agile-driven culture with training opportunities and a focus on mission-critical applications.

Canada Unlimited PTO

  • Work with technical leaders to design and implement forward-looking approaches for checkout systems.
  • Own components of checkout systems and define their long-term health.
  • Collaborate with engineers to build the next generation of the checkout platform.

Affirm provides a clear, predictable way to pay over time through buy now, pay later solutions. It is a remote-first company with a culture focused on honesty, trust, and customer-centric innovation.

US

  • Set technical direction and own architecture for major services and integrations within Internal Platforms.
  • Design, build, and maintain Java-based backend services that are scalable, resilient, and well-tested.
  • Mentor engineers, partner with cross-functional teams, and drive predictable delivery for complex initiatives.

Fanatics builds a leading global digital sports platform for commerce, collectibles, and betting & gaming. With over 22,000 employees, it is committed to enhancing the fan experience and delighting sports fans globally.

Brazil

  • Design and implement large-scale distributed systems for a high-traffic pet products marketplace.
  • Build scalable, fault-tolerant backend services using Java, Spring Boot, and event-driven architecture.
  • Collaborate with cross-functional teams to ensure system reliability and optimize performance.

Sigma Software creates innovative software solutions for global businesses. They support engineers in solving complex technical challenges within collaborative international teams, fostering professional growth.

Portugal

  • Developing high quality, testable software with unit and integration testing.
  • Writing end-to-end solutions for web-based applications and robust production applications.
  • Releasing software with DevOps culture using CI/CD and collaborating in an Agile environment.

Ryanair Labs is the technology brand of Ryanair, creating Europe's Leading Travel Experience. It is a digital and IT innovation hub with a collaborative, fast-paced culture, part of Europe's largest airline group planning to expand to 800 aircraft and 300 million guests.

Brazil

  • Develop and evolve backend solutions in Java (Spring Boot/microservices) and frontend in Angular.
  • Participate in code reviews, providing constructive suggestions and absorbing technical feedback.
  • Use AI tools daily (e.g., GitHub Copilot, Claude, ChatGPT) productively and critically in development workflows.

CI&T helps large companies transform AI potential into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation and 8,000 CI&Ters across 25+ countries, they foster a culture of innovation and inclusion.