Source Job

$64,750–$94,750/yr
Poland

  • Break down projects into tasks and deliver them in phases with your team.
  • Partner with product, design, and analytics to build scalable backend systems.
  • Monitor metrics, support on-call, and contribute to code reviews.

Python Kotlin AWS MySQL Kubernetes

20 jobs similar to Software Engineer II, Backend (Card)

Jobs ranked by similarity.

$78,840–$117,720/yr
Spain Unlimited PTO

  • Break down complex projects into tasks and deliver them in phases with your team.
  • Collaborate with product, design, and analytics to build scalable card experiences.
  • Support operations and on-call efforts, improving system reliability and availability.

Affirm is a financial technology company that offers clear, predictable pay-over-time solutions with no hidden fees. It is a remote-first company with a collaborative culture focused on transparency, flexibility, and employee well-being through comprehensive benefits.

US Unlimited PTO

  • Break down larger projects into individual tasks and deliver them in phases.
  • Collaborate with product management, design, and analytics on technical decisions.
  • Support the operations and availability of team artifacts through monitoring and on-call efforts.

Affirm provides a clear, predictable way to pay over time, with no hidden fees. The company is a remote-first fintech that values transparency and care, offering comprehensive benefits and a collaborative culture.

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.

Canada Unlimited PTO

  • Own and deliver quarterly goals, leading engineers through ambiguity and ensuring support.
  • Collaborate with product, design, and analytics to make decisions considering risks and trade-offs.
  • Support operations and availability of team artifacts while fostering quality and ownership.

Affirm provides clear, predictable buy now, pay later services with no hidden fees. It is a growing, remote-first company that values transparency, flexibility, and customer trust.

US Unlimited PTO

  • Design and implement backend systems for trust and safety at scale.
  • Collaborate with product, design, and analytics to ensure technical sustainability.
  • Foster a culture of quality through code reviews, design standards, and mentoring.

Affirm provides a clear, predictable way to pay over time with no hidden fees. It is a remote-first company with a focus on engineering excellence and scalable solutions.

$146,000–$225,000/yr
US Unlimited PTO

  • Break down larger projects into individual tasks and deliver them in phases with support from your tech lead and manager.
  • Collaborate with product management, design, and analytics to make decisions that consider risks and trade-offs.
  • Support operations and availability of your team's artifacts by creating metrics and participating in on-call efforts.

Affirm is a financial technology company that provides transparent, flexible payment solutions. The company is remote-first and fosters a culture of care, transparency, and flexibility.

$204,000–$290,000/yr
US Unlimited PTO

  • Set technical strategy for the team and drive large-scale, business-impacting projects.
  • Collaborate with product, design, and analytics to ensure technical sustainability and manage trade-offs.
  • Foster engineering quality and talent development through code review standards and mentorship.

Affirm is a financial technology company that provides transparent, flexible payment solutions, allowing consumers to pay over time without hidden fees. The company is remote-first and values inclusivity, offering competitive benefits and a collaborative culture.

US Unlimited PTO

  • Drive technical strategy for the card loan platform by leading planning and execution of projects.
  • Design and develop large-scale, high-availability services with robust APIs and data models.
  • Collaborate across functions with product, analytics, and other teams to define requirements and execute card loan strategy.

Affirm provides a clear, predictable way to pay over time for purchases, with no hidden fees. It is a remote-first company experiencing explosive growth and fostering a culture of care, transparency, and flexibility.

US Unlimited PTO

  • Build and operate the control plane for large-scale distributed SQL databases like MySQL and TiDB.
  • Design and execute zero-downtime schema and data migrations across multi-tenant clusters.
  • Own the networking stack connecting services to storage on Kubernetes, including proxies like ProxySQL.

Affirm provides honest financial products that give people a clear, predictable way to pay over time. It is a remote-first company focused on care, transparency, and flexibility, with a culture that supports diversity and inclusion.

Europe 5w PTO

  • Build and operate Python/Django services for repairs, payments, messaging, notifications, and fraud prevention.
  • Work in cross-functional product teams using AI-assisted, spec-driven development from design through delivery.
  • Ensure reliability and data integrity through automated testing, observability, security, and incident response.

Plentific is a property technology platform for housing providers, local authorities, and contractors in the UK and Germany. We are a growing London-headquartered team working across Europe to expand the platform and integrate AI.

North America

  • Take deep ownership of key systems and product areas, becoming the technical expert and primary point of reference.
  • Architect, build, and maintain highly available and scalable REST APIs and backend services.
  • Use agentic development workflows and AI coding tools as standard engineering practice.

This partner company builds an AI-driven e-commerce messaging platform powered by customer context and data. It is a high-growth, remote-first environment with a collaborative and supportive culture.

North America Unlimited PTO

  • Take deep ownership of systems and product areas, becoming the go-to technical expert for what you own.
  • Architect, build, and maintain highly available, scalable REST APIs and backend services across distributed systems.
  • Build agentically with AI coding tools, staying at the forefront of emerging AI tooling and practices.

Postscript is an AI messaging platform for Shopify brands, helping e-commerce marketers drive revenue through SMS marketing and AI features. Backed by Greylock and Y Combinator, the company has been fully remote since 2018 and serves 20,000+ Shopify brands with a culture of ownership and AI-first development.

US Europe

  • Build foundational platform services for AI products, including user management, authentication, permissions, and resource access.
  • Own full-stack features end to end, from backend APIs to customer-facing dashboards and internal tools.
  • Work remotely with technical autonomy, collaborating across engineering and product teams on scalable systems.

They build foundational systems that power a suite of innovative AI products used by millions worldwide. They are a high-growth, AI-first engineering organization with an autonomous, low-bureaucracy culture.

$195,000–$280,000/yr
US 4w PTO 12w maternity 12w paternity

  • Design, develop, and maintain scalable back end services and APIs for Quanata's products.
  • Architect data flows, database schemas, and cloud infrastructure with a focus on reliability and security.
  • Mentor engineers and shape technical decisions across complex features from concept to deployment.

Quanata is a technology company in the State Farm family, building products and services for the financial and insurance sectors. It is a remote-first organization that values veterans, supports professional growth, and offers comprehensive benefits.

US Unlimited PTO

  • Break down larger projects into individual tasks and deliver them in phases.
  • Collaborate with product, design, and analytics to make risk-aware decisions.
  • Support operations by creating metrics and participating in on-call efforts.

Affirm exists to provide clear, predictable pay-over-time solutions with no hidden fees, connecting consumers with merchant partners through a personalized shopping experience. As a remote-first company, Affirm values transparency, flexibility, and inclusion, offering comprehensive benefits and opportunities for growth.

  • Build and maintain reliable, scalable backend services using Kotlin or Java and modern web frameworks.
  • Take ownership of features from user problem discovery through development, rollout, and evaluation of impact.
  • Work closely with product managers, designers, and engineers to translate ideas into high-quality shipped experiences.

The company builds reliable, scalable SaaS products that improve the way frontline employees work. It is a young technology organization with a collaborative, remote-first culture and highly motivated colleagues.

$150,300–$196,225/yr
US

  • Build REST APIs that power core customer experiences.
  • Configure monitoring for backend services.
  • Build CICD pipelines and develop integrations with the content management system.

Atlassian develops collaboration software for teams worldwide. With thousands of employees, the company fosters an inclusive culture and offers flexible work arrangements.

$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.

Poland Unlimited PTO

  • Design and ship moderate to complex backend features for a global platform with minimal guidance.
  • Define backend standards for style, maintainability, testing, APIs, and operational readiness.
  • Mentor engineers, diagnose performance issues, and integrate agentic AI into production workflows.

GitLab is an intelligent orchestration platform for DevSecOps, helping organizations ship better, more secure software faster. With over 50 million registered users and trust from half the Fortune 100, GitLab has a remote-first, high-performance culture driven by shared values and AI adoption.

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.