Source Job

• Design, develop, and launch backend systems at scale using Python or Kotlin.
• Collaborate with team and stakeholders to balance speed and quality while protecting system reliability.
• Contribute to community through growth and development activities and navigate large codebases.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without hidden fees. They are a remote-first company that values transparency and employee well-being, offering competitive benefits and a collaborative culture.

• 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.

• Design and build scalable backend systems, APIs, and data models that power communications, experimentation, and personalization.
• Partner with Product, Data Science, and Experience teams to define and execute strategies for customer acquisition and engagement.
• Mentor and support junior engineers, contributing to a culture of learning, collaboration, and technical excellence.

Affirm is a financial technology company that provides point-of-sale installment loans to consumers, allowing them to pay over time with no hidden fees. The company is remote-first and values transparency, care, and flexibility, with a strong emphasis on employee well-being and professional growth.

• 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.

• 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.

• 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.

• 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.

• Write production-quality backend code in Kotlin or Python for the Affirm Card product.
• Design systems and contribute to implementation, building APIs and data models for service-oriented architectures.
• Collaborate cross-functionally with Product, Analytics, and engineering teams to execute strategy, and participate in on-call processes.

BlueCloud is a Snowflake Elite Partner helping enterprises move to unified, AI-ready data platforms. With 450+ consultants and 200+ transformations, they deliver data solutions 40-50% faster, serving clients across finance, healthcare, and more.

• 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.

• Build and operate backend systems that support accurate customer outcomes after financial transactions.
• Collaborate with cross-functional teams including product, design, analytics, and compliance.
• Contribute to system reliability, monitoring, and on-call responsibilities.

The company builds high-scale backend systems for accurate financial transaction processing. They have a remote-first, collaborative engineering culture with a focus on reliability and operational excellence.

• Own and deliver quarterly goals for your team, leading engineers through ambiguity and ensuring support throughout delivery.
• Collaborate with product management, design, and analytics to articulate technical constraints and partner on decisions with risk and trade-offs.
• Foster a culture of quality by setting code review and design standards, and develop talent through feedback and guidance.

Affirm provides a clear, predictable way to pay over time, with no hidden fees or surprises. We are a remote-first company serving over 20 million people, with a culturally rooted Silicon Valley team spread across Europe.

• 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.

• 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.

• Lead the design, buildout, and deployment of highly scalable APIs and backend systems, defining the architectural roadmap for next-generation grocery ordering products.
• Work in a close-knit team alongside dedicated Designer and Product Manager teammates, partnering with multiple teams to deliver integrated client solutions.
• Grow a product used daily in thousands of grocery stores across the country, with access to best-in-class AI development tools and passionate coworkers.

Afresh is an AI platform for grocery that leverages proprietary AI to help grocers reduce waste and maximize sales. The company has scaled to 6 enterprise-grade solutions, serving over 10% of the U.S. grocery market, and prevented over 200 million pounds of food waste last year.

• Design and build new features for the Django backend that powers the consumer dashboard and B2B platform.
• Improve performance and reliability of Celery and RabbitMQ pipelines and integrate third-party services like Stripe and WorkOS SSO.
• Own features end-to-end, including production debugging and code review with a small backend team.

Optery helps people get their personal data off broker sites. It's a fully remote, small startup headquartered in the San Francisco Bay Area, where engineers work directly with the founders.

• Build and scale automated data pipelines across analytics, legal, and commissions.
• Integrate CRM, billing, and finance systems using custom APIs and data pipelines.
• Ship and maintain internal applications and deploy containerized AWS services.

LeanTaaS builds AI-powered software that helps hospitals optimize capacity by reducing wait times and costs. With over $300 million in funding from top investors, the company serves more than 190 health systems and employs a culture focused on innovation and operational excellence.

• 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.

• Own architecture-level decisions on integration-heavy systems connecting Origination & New Products to Rosso, Data, and Billing.
• Ship the first new product category live and generating qualified pipeline within 6 months.
• Solve the tendering automation problem that limits quote volume, and contribute to productising the manual pricing process.

Tem is rebuilding the global energy transaction infrastructure, making electricity buying, selling, and pricing transparent and fair. They have raised a $75 million Series B and are scaling internationally with a remote, flexible culture.

• Write reliable, secure, scalable code for real-time authorization and fraud-prevention systems.
• Build customer-facing features like rules improvements, velocity controls, and fraud tooling.
• Own projects from planning to launch and participate on on-call rotation.

Lithic is the modern card issuing and processing platform empowering ambitious financial companies to build the future of payments. We are a team of 170+ across 26 states and 7 countries, headquartered in New York City.

• You will design, develop, and maintain backend services powering Twilio Flex's high-scale TaskRouter system.
• You will set technical direction for distributed systems, owning architecture for cross-team problems spanning multiple quarters.
• You will raise the engineering bar through design review, code review, and mentorship of senior and mid-level engineers.

Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. As a remote-first company with a strong culture of connection and global inclusion, we have a diverse team making a global impact each day.