Source Job

Canada

  • Design & expand the backbone of our platform to scale to hundreds of thousands of merchants from all around the world
  • Mentor other engineers to ensure their development & growth
  • Improve engineering standards, tooling, and processes throughout the organization

Kotlin Python MySQL Kubernetes Java

20 jobs similar to Senior Software Engineer, Backend (Merchant Advocacy)

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Canada

  • Break down larger projects into individual tasks and deliver them in multiple phases.
  • Collaborate with product management, design & analytics.
  • Contribute to a sense of community on your team.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm is a remote-first company with competitive benefits and a transparent pay structure which is based on a variety of factors, including location, experience and job-related skills.

$123,586–$174,043/yr
Europe

  • Break down larger projects into individual tasks and deliver them in multiple phases.
  • Support peers and stakeholders in the product development lifecycle.
  • Contribute to a sense of community by engaging in growth and development activities.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. They are a remote-first company that values its employees by offering competitive benefits.

US

  • You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
  • You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs.
  • You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The company values its employees and offers competitive benefits.

US

  • Work with a team of engineers to build, maintain, and scale Affirm's critical experimentation, feature flag, and feature store infrastructure serving millions of customers.
  • Ship code and monitor the deployment of your work, contributing to the team's projects and goals.
  • Work collaboratively and proactively with the team and stakeholders, creating visibility and dialog regarding the risks and trade-offs.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. They are a remote-first company where the majority of their roles are remote and you can work almost anywhere within the country of employment.

Europe

  • Lead, mentor, and grow an engineering team responsible for designing and developing the communication platform at Affirm for all channels.
  • Own availability, reliability, and performance of your team’s systems.
  • Partner with product managers to design and build best-in-class systems and processes for Comms Platform.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The company's Transactional Communications teams are fully based in Europe and own the end-to-end communications experience.

US Unlimited PTO

  • Design, build, and ship backend services that support user-facing features across mobile and web experiences
  • Collaborate closely with frontend engineers, product managers, designers, and data partners
  • Lead backend technical planning and contribute to architecture decisions that improve scalability, reliability, and performance

OnePay is a consumer fintech that aims to improve financial systems for millions of Americans. They provide an all-in-one financial services platform, partnering with employers to deliver embedded financial services to employees and frontline workers.

$60,000–$75,000/yr
LATAM Unlimited PTO

  • Own backend features end-to-end, including discovery, design, implementation, rollout, and long-term reliability/operations.
  • Design and evolve distributed systems (services, pipelines, data stores) with strong performance, scalability, and resiliency.
  • Build and maintain APIs (REST/GraphQL, where relevant) and data access patterns supporting analytics and search use cases.

Traackr is a global SaaS technology company providing a data-driven influencer marketing platform. They enable marketers to optimize investments, streamline campaigns, and scale programs. They are a remote-first company with offices in San Francisco, New York, Boston, Paris, and London.

Europe

  • Build and maintain backend services that support payment processing, fare calculations, and transaction flows
  • Contribute to the design of scalable, secure and resilient systems
  • Collaborate with cross-functional teams to deliver features from concept through to production

Masabi is driving the fare payment revolution, powering journeys for millions globally, building fare collection platforms for seamless ticket purchases on mobile, machines, or card taps. They are a network of innovators from all walks of life; a group of passionate individuals who consistently deliver.

$86,726–$115,635/yr
Canada

  • Help drive backend architecture to the next stage of Roof’s systems
  • Work in a fast-paced cross-functional team that values doing things ‘the right way’
  • Contribute in an early-stage company with engineering first culture

Roofr is dedicated to providing customers with essential sales tools. They have built a CRM that connects solutions into a powerful platform and are a successful startup with best-in-class company metrics, offering its team significant growth and equity.

Canada 4w PTO

  • Improve the scalability and reliability of our core data systems.
  • Define and evolve how we model, store, and query resource data across Vanta.
  • Collaborate with product, design, and other engineering teams to understand user needs.

Vanta helps businesses earn and prove trust by providing continuous security monitoring and verification. They empower companies to practice better security and prove it with ease. Vanta has a kind and talented team, with many having succeeded without prior extensive security experience.

Africa Turkey

  • Design, build, and maintain features for the domain applications.
  • Provide technical leadership and manage dependencies.
  • Conduct design and code reviews.

Yassir is the leading super App in the Maghreb region, changing how daily services are provided. They operate in 45 cities across Algeria, Morocco, Tunisia, France, Canada, and Sub-Saharan Africa, backed by VCs with ~$200M in funding, offering on-demand and financial services.

$145,000–$190,000/yr
North America Unlimited PTO

  • Design and build backend services supporting financial workflows and transaction processing.
  • Collaborate with product and engineering teams to design scalable system solutions.
  • Write maintainable and well-tested code using Java and modern JVM frameworks.

LeafLink is the largest unified B2B cannabis platform, providing licensed cannabis businesses a suite of tools to manage their business more effectively, sell or order from their favorite brands and accelerate growth. Our team is backed by funding from leading VC's, including Founders Fund, Thrive Capital, Nosara Capital, and Lerer Hippeau and is poised to define the cannabis supply chain through technology.

$236,000–$289,000/yr
US

  • Drive the design & implementation of new features and/or re-architect existing systems.
  • Design & deliver robust microservice integrations via REST/gRPC APIs using various communication, consistency, and coordination strategies.
  • Collaborate and mentor other senior engineers while providing thoughtful guidance using code, design, and architecture reviews.

EarnIn is a company building products that deliver real-time financial flexibility for those with the unique needs of living paycheck to paycheck. They have an experienced leadership team and world-class funding partners and are growing fast to bring world-class talent onboard.

Europe

  • Contribute to a full life-cycle of the product (including problem discovery, prototyping, design, implementation, and measuring adoption)
  • Build services with Java / Node.js (Express, Nest.js) on top of Kubernetes/AWS/GCP infrastructure
  • Build developer-friendly RESTful APIs

SmartRecruiters is a global leader in enterprise recruitment software, offering a cloud-based global Hiring Success platform that allows teams to attract, select, and hire the best talent. They are a values-driven, global-minded, and well-funded tech company with a collaborative, diverse, and remote-friendly work environment.

$101,600–$127,000/yr
UK 5w PTO

  • Simplify workflows: Translate operational needs into reliable code that reduces manual effort by deciding when and what to automate.
  • Evolve the architecture: Identify ways to modernise systems, managing trade-offs to keep them dependable as they scale.
  • Advocate for quality: Advocate for better engineering practices using code reviews and design sessions as a sounding board for the team.

Iwoca provides flexible and responsive finance to small businesses through smart technology, data science, and customer service. They have cleared the way for 100,000 businesses with over £4 billion in funding and aim to support one million SMEs, fostering lasting community and economic impact.

$40,537–$55,295/yr
Canada

  • Provide exemplary support to merchant partners, including marketing best practices and accounting workflows.
  • Resolve technical integration issues related to partners’ ecommerce front-end platforms and back-end order management systems.
  • Identify and implement new operational processes to drive efficiency.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. They are a remote-first company, with the majority of their roles being remote and employees having the flexibility to work almost anywhere within the country of employment.

Africa

  • Build robust and scalable software in Node js.
  • Design and create (micro)services and system architecture for projects, and contribute and provide feedback to other team members.
  • Help improve existing code quality through writing unit tests, automation and performing code reviews.

Yassir is the leading super App in the Maghreb region, changing how daily services are provided and operating in 45 cities across Algeria, Morocco, and Tunisia, with expansions into France, Canada, and Sub-Saharan Africa. The company is backed by VCs and offers on-demand services like ride-hailing and last-mile delivery, and is introducing financial services to help users pay, save, and borrow digitally.

$100,000–$135,000/yr
Canada

  • Design, build, and maintain backend API services that power our e-commerce platform.
  • Own features end-to-end, from understanding the problem through implementation, testing, release, and production support.
  • Ship code continuously through our delivery pipeline, with proper review, testing, and documentation at every step.

Elastic Path's mission is to break through barriers that prevent commerce leaders from delivering extraordinary shopping experiences by making Composable Commerce accessible to all brands. They are a remote-first company focused on a culture built on mutual respect, curiosity, honesty, and the belief that everyone’s voice matters.

$73,000–$94,900/yr
Canada

  • Own and maintain authentication and authorization systems.
  • Make changes to mobile and web apps with support.
  • Develop POCs and build dashboards to drive data-driven decisions.

KOHO aims to improve financial services for Canadians by offering transparent and user-friendly products. They foster a culture of trust and autonomy, prioritizing work-life integration and collaboration.

$128,000–$200,000/yr
US Canada UK

  • Lead the design and delivery of platform services and libraries that teams across Jane adopt and rely on, balancing transformational work with new capability building.
  • Drive improvements to the main Rails monolith - upgrading dependencies, improving architecture, and raising code quality standards so teams can move with confidence.
  • Partner with feature teams to understand their needs, propose scalable solutions, and mentor them through implementation, removing blockers along the way.

Jane is a founder-led, high-growth SaaS company that builds products and tools for clinics to run their businesses and care for their patients. They are a team of more than 700 people working remotely across Canada, the US, and the UK, and embrace the possibilities of AI.