Senior Software Engineer - Expand Tech / Engineering · Paris · Hybrid Remote

Get to know us Do you want to help us shape what the future of work will look like and how it will best embrace our life's aspirations? If this sounds like a journey you want to embark on, we may have the right role for you! PayFit is an intuitive cloud-based payroll and employee management solution designed specifically for SMBs. Since 2015, we have set ourselves a mission to simplify payroll for SMBs and enable employers and employees to grow together. We are a European company operating from 3 main countries (France, Spain, and the UK) where we are supporting over 15,000 clients.
Creating a fulfilling work environment and culture is also a core mission at PayFit, and our day-to-day work philosophy is reflected in our four values:
Care: We genuinely care for others whoever they are, whatever they think.
Excellence: We aim to improve and achieve better results every day.
Humility: Staying humble and exchanging transparent feedback helps us to grow and improve.
Passion: We are the architects of PayFit's success.
A key part of our culture, and essential for our success, is also improving the diversity of our teams and building an inclusive culture where you can be yourself at work.
This is why our recruitment focuses on the skills you demonstrate, and not only on your academic background or previous professional experiences. At PayFit we understand that you can gain applicable skills through a variety of life experiences and we are interested in knowing them, too.
Location :
The position is based in either France or Spain. About the Role:
As a Full-Stack developer within the Expand Squad, your mission will be to strike a balance between simplifying complex systems and delivering new features.
You will play a pivotal role in designing and building effective solutions for our customers, working closely with your team to make informed decisions and understand their implications. Your responsibilities will encompass the entire software development lifecycle—from discovery, design, and building to operation and support—ensuring that the products you develop meet high standards of security and quality. You'll be actively involved in identifying and resolving customer issues, continuously improving our offerings, and contributing to the team's overall growth.
This role is for you if: You have 5+ years of experience in a Fullstack developer role with NodeJS & TypeScript.You have a strong hands-on background in a development role, preferred in a product context and with a SaaS product.You are comfortable with AWS services, especially with serverless components (Lambda, Step functions, workflow orchestration).You have a strong understanding of software architecture and have experience with Event-Driven Architecture (EDA).You have experience with continuous delivery and with test-driven best practices.You are an advocate for software design principles, familiar with Domain Driven Design.You love to communicate with a wide range of stakeholders, like product managers, software engineers, data engineers.You can navigate ambiguity and can work autonomously while you are still a strong team player.You speak English fluently and you want to work in an international and dynamic environment.It would be great if you also: Have domain knowledge about upsell, payments, or payroll.Have experience working in a product-based company.Our Stack: We use a variety of technologies to build and deploy our software, including:
- Frontend: TypeScript, ReactJS, Redux, Jest
- Backend: NodeJS, Express, NestJS, MongoDB, GraphQL
- Database: MongoDB, Postgresql
- Deployment: Docker, Kubernetes, Helm, ArgoCD, AWS
- Monitoring: DataDog
- Version Control: GitHub
- Continuous Integration/Continuous Delivery: CircleCI, Launchdarkly.
Your future team:
The Expand Squad is a cross-functional team that focuses on bringing the best value to customers on experiences like expenses, salary advance, bank payments, and upsell. We are striving to become a revenue generator for PayFit and attract new customers.
If you join the Expand Squad, you'll work with a team that has a strong interest in users and a bias for continuous improvement. We are always looking for ways to make our products and services better, and we value your input.
We embrace the DevOps "You build it, you run it" principle, which means that we are responsible for the entire lifecycle of our products, from development to deployment to maintenance. This gives us a lot of ownership over our work, and it allows us to make quick changes and improvements.
Hiring Process: First you will meet a Talent Acquisition Specialist for a discovery call (30-45 min).Then you will meet with Daniel, the Engineering Manager with whom you will touch on more technical topics of your experience (30 min).You will go through a technical challenge at home and then a code review interview with our Engineers (60 min).Then you will discuss with Product & Designer partners (45 min).The last step would be having a discussion with Pierre, Engineering Director of the tribe (30 min).Background Check (ISO27001 certification): identity, diploma, and past professional experiences will be checked after the offer. What we offer: Flexibility: We believe it is key to produce your best work and to be fulfilled. We therefore offer the possibility to work away from our main offices, within France/UK/Spain; as well as abroad for a defined period. Further requirements may apply depending on the role and your overall experience.
Learning & Development: In PayFit we have a great learning platform where you can learn new skills every day with the support of our company. We also have English language courses to improve your business communication vocabulary and get to the next level.
Career Development: We want you to progress and be free to choose which direction you want to grow. There are also opportunities for internal moves.
Health promotion: A Gym at our Paris office and a GymLib subscription with preferential rates. 4 paid sessions with a mental health practitioner and online support with Moka.Care.
Health insurance: Mutuelle Henner (60% covered by PayFit).
Transportation: 50% covered for your public transportation card for those living within Ile de France. A budget to travel to the office for those who live outside of it.
Meals: A restaurant card with our partner Swile (9€ per workday).
Home office budget: 150€ per year to help you get set up in the best conditions. A MacBook is our standard working tool.
Parental support: 20 weeks maternity leave covered by PayFit and 4 weeks leave for the second parent.
Time off: 25 days of holidays + RTT days (depending on the contract).
Disability Inclusion: All of our positions are open to any person living with a disability. To guarantee equal treatment and opportunities, we will take, based on individual needs, appropriate measures to adapt the work conditions of PayFiters with disabilities, and if needed also during the recruitment process. Please let us know what you need and we will do our best to accommodate!

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