A Full-Stack Engineer (React / Next.js / TypeScript) earning the median salary of €58K in France takes home approximately 40 052 €/year (3 338 €/month) after income tax (barème progressif) and CSG/CRDS, using 2026 rates.
2026 median salary for each level in France, and what it leaves after income tax (barème progressif) and CSG/CRDS. Single salarié, standard deduction. 2026 rates.
| Level | Gross / year | Take-home / year | Per month | Effective rate |
|---|---|---|---|---|
| Junior | 43 000 € | 31 413 €2 618 €/mo | 2 618 € | 26.9% |
| Mid-level | 60 000 € | 41 210 €3 434 €/mo | 3 434 € | 31.3% |
| Senior | 85 000 € | 55 682 €4 640 €/mo | 4 640 € | 34.5% |
| Lead / Principal | 114 000 € | 72 439 €6 037 €/mo | 6 037 € | 36.5% |
The biggest pay step is Senior to Lead / Principal: 29 000 € more a year before tax, of which 16 757 € reaches take-home. 42% of that raise goes to income tax (barème progressif) and CSG/CRDS, against an average 34% on the Senior salary, because the extra pay is taxed at the top of your bands rather than spread across all of them.
Around the headline median, the middle half of Full-Stack Engineer (React / Next.js / TypeScript) salaries in France run from 57 000 € to 59 000 € a year, which is 39 474 € to 40 631 € after income tax (barème progressif) and CSG/CRDS.
The table above uses the Full-Stack Engineer (React / Next.js / TypeScript) median. Enter your own gross salary below for a precise figure.
Salarié income tax, CSG/CRDS, assurance vieillesse, and retraite complémentaire AGIRC-ARRCO (single filer, 1 part). Models the barème progressif, CSG/CRDS, and the two other cotisations salariales that apply to every private-sector payslip. Does not model mutuelle/prévoyance (rate set by each employer's own collective agreement, not a single national rate), the quotient familial for couples/dependents, or auto-entrepreneur status.
Barème 2026 (revenus 2025)
Barème progressif à 5 tranches (0% à 45%), abattement forfaitaire de 10% pour frais professionnels, et CSG/CRDS (9,70% sur 98,25% du brut).
Salaires courants :
Salaire net annuel
40 052 €
Par mois
3 338 €
Par semaine
770 €
Taux de prélèvement effectif
30.9%
Comment vos 58 000 € se répartissent
40 052 €
69.1%
5 979 €
10.3%
5 528 €
9.5%
6 442 €
11.1%
| Salaire brut | 58 000 € |
| Impôt sur le revenu (après décote) | -5 979 € |
| CSG déductible (6,80%) | -3 875 € |
| CSG non déductible (2,40%) | -1 368 € |
| CRDS (0,50%) | -285 € |
| Assurance vieillesse | -3 548 € |
| Retraite complémentaire (AGIRC-ARRCO) | -2 893 € |
| Total des prélèvements | -17 948 € |
| Salaire net (annuel) | 40 052 € |
Calculations use the 2026 barème progressif (revenus 2025), the 10% abattement forfaitaire, the single-filer décote, 2026 CSG/CRDS rates, assurance vieillesse, and retraite complémentaire AGIRC-ARRCO. Models salarié income tax + CSG/CRDS + those two cotisations salariales, single filer (1 part): does not include mutuelle/prévoyance (employer-specific, no single national rate), the quotient familial, or auto-entrepreneur status. For precise figures, consult the DGFiP or a tax professional.
Permanent median
58 000 €
40 052 € take-home
Contract median
487 €/day
≈ 107 140 € gross a year
At a median 487 €/day, contract work grosses about 107 140 € a year over 220 billable days, 85% more than the 58 000 € permanent median. That premium has to pay for what an employer would otherwise cover: paid holiday and sick days, pension contributions, and the gaps between contracts.
Contract and permanent benchmarks come from separate samples, so treat the gap as a guide rather than a like-for-like quote. See Full-Stack Engineer (React / Next.js / TypeScript) contract rates and contractor take-home →
A Full-Stack Engineer (React / Next.js / TypeScript) earning the median salary of €58K in France takes home approximately 40 052 € per year (3 338 € per month) after income tax (barème progressif) and CSG/CRDS, using 2026 rates.
On a median Full-Stack Engineer (React / Next.js / TypeScript) salary of €58K, the effective deduction rate (income tax (barème progressif) and CSG/CRDS) is 30.9%, leaving 40 052 € as take-home pay.
A senior Full-Stack Engineer (React / Next.js / TypeScript) in France earns a median 85 000 € a year and takes home approximately 55 682 € (4 640 € per month) after income tax (barème progressif) and CSG/CRDS, an effective rate of 34.5%.
A junior Full-Stack Engineer (React / Next.js / TypeScript) in France earns a median 43 000 € a year and takes home approximately 31 413 € (2 618 € per month) after income tax (barème progressif) and CSG/CRDS, an effective rate of 26.9%.
The biggest pay step is Senior to Lead / Principal: 29 000 € more a year before tax, of which 16 757 € reaches take-home. 42% of that raise goes to income tax (barème progressif) and CSG/CRDS, against an average 34% on the Senior salary, because the extra pay is taxed at the top of your bands rather than spread across all of them.
At a median 487 €/day, contract work grosses about 107 140 € a year over 220 billable days, 85% more than the 58 000 € permanent median. That premium has to pay for what an employer would otherwise cover: paid holiday and sick days, pension contributions, and the gaps between contracts. Contract and permanent benchmarks come from separate samples, so treat the gap as a guide.
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