MidSenior Full-Stack Engineer (Web-first)

What youll do                                                                                                                                                           
Build features end-to-end React/TypeScript in our web monorepo and changes in existing Go microservices when the feature needs it.
Own vertical slices UI API contract backend implementation tests and production follow-up.
Ship on the web monorepo orders checkout listing shared packages design-system and platform work
Contribute to Go services extend and maintain existing services (separate repos); no prior Go required well help you ramp up
Review and be reviewed we take code reviews seriously; expect to give and receive honest feedback
Collaborate cross-functionally Product Design mobile and Backend peers (our squad is Go-first; Java exists elsewhere in the group you might cross paths occasionally not every day).
Work AI-augmented Cursor Copilot and similar tools are part of how we work; fast iteration and careful review.

Qualifications :

What you bring                                                                                                                                                          
Must-haves:

35 years shipping production web apps in React and TypeScript
Real backend experience youve owned APIs and services in production (not only called REST from the front)
Comfortable in a large web codebase (monorepo multi-app or shared design system)
You integrate front and back schemas errors auth idempotency and what happens when this fails
You can explain your design choices in a PR to a teammate or in an interview
Good English our team is international and English is our working language                                                     
Nice-to-haves:

Go already (bonus not required) most backend here is Go; strong Node Java Python or Kotlin backgrounds are a great fit to learn Go with us
Marketplace e-commerce or high-traffic consumer products
Feature flags analytics events and i18n (e.g. Phrase)
Open-source or side projects that show full-stack craft                     

Youll thrive here if...

Youre strong on the web and genuinely want to keep writing backend code not delegate it away
Youre fine with uneven weeks deep in React one sprint in Go services the next
You can build a feature without waiting for a spec on every line
Youre comfortable saying I think theres a better way and backing it up       
You care about code quality and shipping not one at the expense of the other

This role isnt for you if...

You want frontend-only or backend-only we need both with a web-first home base
You havent shipped to production in the last 2 years
You need full remote this role is 2 days per week on site in Sophia-Antipolis (Valbonne)
You treat AI-generated code as ready to merge without review

Additional Information :

What we offer

Hybrid work: 2 days in office per week up to 3 days from home you choose
which office days
37 days off: 25 holidays 12 recovery days
Learning budget: Conferences courses books invest in yourself (including Go if thats new to you)
Great gear: MacBook Pro ergonomic setup and all the coffee and tea you need
Swiss trips: Regular visits to our Zurich HQ
Team culture: Apéros team events and people who actually like working together

Hiring process

We believe hiring is a two-way street. Heres what to expect:

1. Intro call with Sébastien (45 min) role how we balance web vs backend your
questions
2. Design session (45 min) how youd approach a real product slice across web
monorepo and Go services
3. Coding session (60 min) practical work in React/TypeScript plus discussion of
backend design (Go welcome not mandatory in the room)
4. Team fit & HR (90 min) meet the squad discuss logistics

Location: You need to be commutable to Valbonne (Sophia-Antipolis) with a valid workpermit. Full remote is not available.

Ready
Send your CV in English and lets talk. Include GitHub or examples of work that shows web backend even if backend was Node Java Python or Kotlin; well teach you the Go we use day to day.

To learn more about us visit our Welcome To the Jungle page!

About Us

SMG Swiss Marketplace Group is a pioneering network of online marketplaces and a cutting-edge digital company that simplifies peoples lives with innovative products.
SMG Swiss Marketplace Group provides customers with the best tools to meet their life decision needs. The portfolio includes Real Estate (ImmoScout24 Homegate Flatfox CASASOFT IAZI) Automotive (AutoScout24 MotoScout24) General Marketplaces (  Ricardo) and Finance & Insurance (FinanceScout24 ).

Disclaimer

SMG Swiss Marketplace Group primarily engages with candidates directly. We do not accept unsolicited resumes or candidate profiles from recruitment agencies unless we have specifically requested their assistance for particular roles. Any submissions made without a prior request from our Talent Acquisition team will not be acknowledged or considered. We appreciate the understanding and cooperation of recruitment agencies in respecting this policy.

Remote Work :

No