Senior Software Engineer (Fullstack, International)

Affirm; Greater London; Remote; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Remote-first compensation structure

Spending Wallets

Mental Healthcare

Parental Leave

Away Days

Learning & Development

Health Benefits

Community Groups

Job summary

Affirm is seeking a Senior Software Engineer to join our international accelerator engineering team. Based in Europe with a remote-first approach, you’ll help shape Direct-to-Consumer products for the UK, Canada, and future markets, building scalable backend and frontend systems with Python/Kotlin, AWS, and React/Vue.

You’ll own quarterly goals, collaborate across product, design and analytics, and drive high-quality code in a fast-paced, remote environment designed to boost productivity with AI.

Qualifications

• Total of 4+ years as a software engineer.
• Experience designing backend systems at scale using Python, AWS, Kubernetes.
• Experience shipping web apps with React or Vue.
• Strong communication for global team.

Responsibilities

• Own quarterly team goals and lead engineers through ambiguity.
• Collaborate with product, design & analytics throughout the lifecycle.
• Identify and solve project, process, tech, or business issues.
• Maintain system reliability and monitor team metrics.
• Raise code quality by improving review standards and sharing practices.

Skills

Frontend experience

Backend design

AI-assisted development

Team collaboration

Tools

Python

Kotlin

AWS

MySQL

Kubernetes

React

Vue

Job description

• The International Accelerator Engineering team is growing, and we're looking for a Senior Software Engineer to join us!
• We're a full-stack team located entirely in Europe within the same time zone, but culturally rooted in Silicon Valley
• We directly improve the financial lives of over 20 million people shaping how affirm builds Direct-to-Consumer products for Canada, the UK, and future international markets
• We build and own various products used by our consumers, like the affirm app and other Direct to Consumer products across international markets
• We are here to make sure we reach and provide useful tools to our users so they can experience honest financial products at their fullest
• Our work is agile and fast-paced, shipping new code to production for millions to use across geographies and rigorously measuring the impact it has on them
• This role rewards curiosity, ownership, ability to zoom in and out, switch contexts often, also in an open contribution model, and a builder's mindset
• You'll know exactly what your objectives are, you'll have what you need to hit them, and you'll choose your own path to get there, while constantly looking for ways to get ai to increase productivity on a daily basis
• You'll learn quickly from experienced teammates and grow your craft on problems that matter at scale
• If you want to build something new and operate it at scale - come join 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
• You will support the operations and availability of your team's artifacts by creating and monitoring metrics, escalating when needed, and supporting "keep the lights on" & on-call efforts
• You will foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks
• You will help develop talent on your team by providing feedback and guidance, and leading by example

Benefits

• Compensation: We have a simple, flexible, and transparent remote-first compensation structure so you can make the best decisions for yourself and your family
• Spending Wallets: Access tech, food, lifestyle, and family planning wallets for your expenses
• Supportive Communities: Get involved with our employee resource groups and community groups
• Remote-first Workforce: If your role is remote, you can set up shop anywhere in your home country
• Generous Time Off: Take the time you need when life happens
• Health Benefits: Get a plan that fits your needs
• Mental Healthcare: Take care of your mind with great mental health programs
• Parental Leave: Birth and non-birth parents get 18 weeks' paid leave. Plus, a 4-week return-to-work transition program, at full base pay
• Away Days: We offer 20 company-wide paid days off-which help our teams collectively pause to recharge
• Learning & Development: Engage in exciting learning programs to level up your growth

Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholdersYou have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design. You write high quality code that is easily understood and used by othersYou are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safelyYou have a total of 4+ years of experience as a software engineerYou have strong verbal and written communication skills that support effective collaboration with our global engineering teamYou are experienced in designing, developing and launching backend systems at scale technologies like Python, Kotlin, AWS, MySQL, and KubernetesYou have experience shipping web apps using declarative UI frameworks like React or Vue.You efficiently use AI to assist you to deliver high quality products on a daily basis