Senior Software Engineer - Growth Tech / Engineering · Paris, Barcelona · 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 10,000 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:
Flexible location: work remotely from anywhere in France or Spain.
About the role: We're looking for a Senior Software Engineer to join our Lead Management Stack team and lead our web development efforts.
You'll be responsible for developing and maintaining our website and landing pages, working closely with Designers and ensuring high performance and responsiveness. As a business partner to the marketing team, you'll implement A/B tests, optimize conversion rates, and support marketing campaigns.
Your expertise will be crucial in integrating third-party tools, such as CRMs and analytics platforms, and ensuring seamless data flow between systems. You'll also implement best practices for SEO, analytics, and web standards on the website.
As a senior team member, you'll mentor junior engineers and contribute to overall team growth.
This role is for you if: You are a Senior Engineer with 6+ years of experience (at least 2 years in a senior role).You're proficient in front-end technologies (HTML, CSS, JavaScript, React) and have experience building and designing APIs.You have extensive experience with CMS platforms, including complex integrations and custom development.You have experience with advanced analytics tools like Google Analytics or Segment, and Conversion Platforms (Google Ads, Meta, LinkedIn etc).You have experience with AWS stack (CloudFront, Lambda, SAM…), DevOps, CI/CD, IaC (terraform), and git.You have worked on marketing-focused projects, including website optimization and integrations.You are fluent in English.It would be great if also: You have a strong background in CRM integrations (e.g., Salesforce, HubSpot) and platforms (Google, Meta, LinkedIn…).You have a background in product-led growth strategies and thrive in fast-paced, collaborative environments, preferably in SaaS.You have expertise in optimizing website performance, SEO, and user experience.You have strong communication skills and can work effectively with marketing teams.You possess excellent problem-solving abilities, take a proactive approach to challenges, and excel at mastering tradeoffs in complex situations.You've mentored junior team members and have experience in fostering a growth mindset within a team.You can write RFCs, discuss them, and reach conclusions.If you think you would be a good fit even if you don't meet 100% of the requirements, we would love to hear from you! Your Future Team: The LMS squad is a dynamic team consisting of 3 Software Engineers, an Engineering Manager (EM), a Product Manager (PM), and a Product Designer (PD), all working collaboratively on our mission. We're a partially remote team based in France. Your future manager, Jérémy (EM), brings extensive experience in leading complex technical projects and is committed to supporting your growth and development in this role. Together, we build and optimize cutting-edge solutions that directly fuel our company's ambitious growth strategy.
Interview process: Initial Discovery Call: A Talent Acquisition representative will assess your qualifications and fit for the role - 30min.Interview with an Engineering Manager: You will have a conversation with Jérémy, your future manager to further discuss your experience and skills - 45min.Technical interview that comprises of 2 parts:Tech Interview: You will be assessed on fundamental knowledge. You will also be asked to showcase one of your work to discuss it with the team - 60min.System design Interview: You will participate in a system design interview, focusing on web architecture - 60min.Interview with Product and Marketing's main stakeholders - 45min.Interview with Pierre, Engineering Director of the Tribe, to discuss your understanding of our role and challenges and your potential impact in it - 45min.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 rate. 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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