Senior/Lead React Developer

Who we are

Visit our Welcome To The Jungle homepage to learn more about AssoConnect and why you should join us!

A ScaleUp that Transforms Nonprofit Management

Market Leaders: AssoConnect is the leading software for nonprofit management in France, one of the largest markets in the world with over 1.5M nonprofits! We are also expanding in the U.S. with our Springly brand.

Impact-driven: AssoConnect helps over 40,000 nonprofits by saving their time, energy, and money. We allow them to spend more time on their purpose and facilitate their communication with their members and donors.

Ambitious growth, entrepreneurial spirit: Backed by team.blue since May 2024, we're scaling fast across Europe with both organic and external growth. While staying true to our roots (same team, same mission) we now have the resources of a European powerhouse’s resources to build the new standard for nonprofit management.

Why you should join AssoConnect

Impact: You will have the unique opportunity to work in a scale-up positively impacting the world. At your level, you will substantially impact shaping the company's future.

Fast-paced, continuous learning: We believe in investing in our team's learning through ongoing coaching and training. You will be coached by your peers and the best external advisors.

Culture & Team spirit: We don’t compromise on our values: Simplicity, Excellence, Benevolence.

The role

Organization

• Report to the Team Leader (TL) of your squad

• Join a feature squad of 1 TL, 1 PM, 1 QA, 2 backend developers

• Work closely with Sylvain (CTO), Axel and Simon (intermediate frontend developers), Alice (Product Designer)

Missions

You will join an experienced product & engineering team of 20 people as a Senior/Lead Frontend Developer.

Your main mission is to accelerate our frontend delivery by keeping the team well-equipped, working closely with our CTO on key technical objectives.

You will also invest in the people around you to raise the level of frontend engineering and grow the team's skills.

Responsibilities

• Own the Design System — Build and maintain the shared component library that keeps engineers and AI agents moving fast.

• Define and drive the frontend strategy — Define a 12-month roadmap, map technical debt, and align with product and backend teams.

• Set the technical bar — Own the tooling, coding patterns, and testing practices across the frontend codebase.

• Grow frontend coverage and quality — Increase test coverage on critical paths and improve performance, reliability, and UX consistency.

• Mentor and elevate the team — Support engineers through code reviews and pairing, and be the go-to on hard technical problems.

Required Qualifications

Experience

• Experience with framework migrating and maintaining a large React codebase without starting from scratch

• Experience with backend development is a bonus

• Familiarity with Kanban-based Lean organizations will be a plus

Soft Skills

• Pragmatic (use of technical debt, quick-wins, automation, …)

• Balance between an early adopter and a boring tech person

• Client-centric with customer satisfaction at heart

• We like it when you share and deeply understand our core values

• We also like dynamic & curious people eager to learn

• Leadership mindset & Mentoring affinity

Hard Skills

• A good level of English writing is required. Fluent English is appreciated.

• Hands-on experience & tech culture with React-based framework, ES6+ & TypeScript, testing frameworks, and building tools (like Webpack)

• Seasoned engineer able to draft, visualize & challenge technical solutions

• Clever with composition to build pages and components from existing parts

What if I don’t match all these criteria?

Not ticking every box is OK: it means you’ll have room to learn and grow at AssoConnect.

If you think you can be a great match, we are interested in hearing from you!

Salary Range

Varies depending on experience (both years and skills): 60-75k€

️ Recruitment process

1) Screening

• Spend 1h with the HR and Tech Team Leader to check the fit between what you are looking for and what we are offering.

2) Technical Skills

• Complete a 2-hour use case at home, followed by an interview with your manager to debrief on the use case and deep dive into your experience and skills.

3) Talk about Product

• Validate Product and Design thinking. Ensure cultural fit, strategy mindset, and alignment with our mission.

4) Meet the team

• Meet your peers within the team frontends & feature squad and join us for a lunch or a drink at our Paris or Marseille Office.

5) Final HR steps

• Ref check and final discussion about salary, start date, and logistics.

Recruitment date: ASAP.