👋 About Us

sunday is building the fastest, simplest way to pay in restaurants. With a quick scan of a QR code, diners can pay, tip, and leave in about 10 seconds. We believe great products should feel obvious, not complicated, and we focus relentlessly on keeping things simple while earning trust from restaurants and guests at every interaction. Today, sunday powers payments in thousands of restaurants across the US, UK, and France, helping operators turn tables faster, increase tips, and unlock valuable insights. We push ourselves to go beyond what’s expected, building with ownership, moving fast, and scaling with ambition as we tackle our biggest growth opportunity in the US.

About the Role

As a Customer Onboarding Specialist, you are at the heart of Sunday’s growth. Your mission is to support newly signed clients in setting up their tools and getting started with Sunday products, ensuring an optimal experience from day one and throughout the customer journey.

You work closely with the Sales and Account Management teams to turn every signed opportunity into a long-term partnership, directly impacting product adoption and net revenue—two key drivers of Sunday’s growth.

This role allows you to join a young, fast-growing team with strong career growth opportunities. Initially, you will be responsible for onboarding in the French market, with the goal of quickly expanding your scope to the UK market, and eventually the US market. As a true project manager, you will oversee all technical and administrative steps, from account creation and hardware setup to the handover to Account Managers.

Join early, grow fast, and shape the journey!

Key Responsibilities

Administrative & Financial Management:

• Manage the creation of customer accounts in our tools: Locker, Salesforce, and our back office (Zeus).

• Set up customer billing accounts in Chargebee for subscription management.

• Handle the full verification process (KYC/KYB) on Checkout.com by collecting legal documents (company registration, bank details, ID) and completing required forms to activate payments.

Technical & Hardware Setup:

• Ensure technical integration between Sunday and the client’s POS system.

• Create and order customized QR codes (design, table layout) using internal tools.

• Manage the ordering of payment terminals (POS devices), ensuring correct setup of payment contracts.

• Adapt Sunday solutions to the restaurant’s operational needs, using your product knowledge to ensure optimal implementation.

Customization & Configuration:

• Configure all Sunday solutions based on the restaurant’s needs: customize payment page appearance, set up menus (categories, photos, descriptions), and tipping rules (Sunday Tipping).

• Sync POS menus with the Sunday dashboard and create custom versions if needed.

Client Relationship & Training:

• Act as the main point of contact during onboarding, communicating clearly and proactively on progress.

• Organize and lead training sessions for directors, managers, and their teams to ensure full adoption and optimal use of tools (Dashboard, payment terminals, Sunday for Staff app).

Coordination, Collaboration & Continuous Improvement:

• Work closely with Sales and Account Managers to ensure smooth information handover and a launch that meets client expectations.

• Identify friction points in onboarding processes, propose concrete solutions, and contribute to improving documentation and methods.

About You

• Experience: First successful experience in a similar role (Onboarding, Technical Support, Customer Success, Project Management) in a SaaS or tech environment (0–3 years).

• Attention to detail: As a fintech company, precision is critical at every step to ensure reliable processes, strong product adoption, maximized net revenue, and reduced churn risk.

• Technical aptitude: Comfortable with digital tools (CRM like Salesforce, back-office platforms, etc.) and able to understand and explain simple technical integrations.

• Organizational skills: Able to manage multiple onboarding projects simultaneously, prioritize effectively (e.g., “big rocks” method), and meet deadlines.

• Excellent communication: Strong interpersonal skills, patience, and teaching ability to build trust and train clients effectively.

• Problem-solving: Proactive, autonomous, and capable of diagnosing synchronization or configuration issues and resolving them quickly.

• Team spirit: Enjoy working collaboratively across teams to achieve shared goals.

What We Offer

• €32K to €38K (fixed)

• Stock Options

• A great office in the heart of Paris (10th arrondissement) with a balance of in-person and remote work

• Free Vacation Policy

• 100% Employer-Covered Health Insurance for you and your children

• Ticket Restaurant

• 50% of your public transportation covered

Interview Process

• Share your story: Application with resume

• Let's get to know each other through a phone screen interview

• Meet with the hiring manager

• Impress your future colleagues with a case study

• Meet with a Leader

• Reference Checks (3 most recent managers)

• Offer: we want you

Thank you for taking the time to apply, and looking forward to getting to know you!

sunday is an equal opportunity employer and does not discriminate and all qualified applicants will receive consideration for employment without regard to race, creed, color, sex, affectional or sexual orientation, gender identity or expression, gender, ethnicity, religion, national origin, ancestry, nationality, age, disability, marital status, veteran status, genetic information, or on any other basis prohibited by law (except where an attribute is a bona fide occupational qualification).