Software EngineeringVery High

Backend Developer

Build server logic, APIs and databases. Essential for any tech product.

Salaire
50K - 95K EUR
Demande
Very High
Compétences clés
5
Mis à jour
Feb 2026

Backend Developer

The Backend Developer is the invisible architect behind every successful application. In today's market, the demand for scalable, secure, and well-documented backends is extremely high. Companies highly value experience with cloud, microservices, and distributed databases. With the explosion of AI/ML, many backend developers are pivoting to hybrid roles combining data engineering with API development, opening even more opportunities.

Compétences

Node.js
Python
SQL
REST APIs
Cloud (AWS/GCP)

Optimisation LinkedIn

  1. 1

    Highlight your skills with distributed systems and scalability

  2. 2

    Mention specific databases you master (PostgreSQL, MongoDB, Redis)

  3. 3

    Share articles about software architecture and best practices

  4. 4

    Connect with recruiters at tech companies you target

  5. 5

    Add cloud certifications (AWS, GCP, Azure) to your profile

CV et Curriculum

  1. 1

    Focus on metrics: "Designed API handling 10K requests/second"

  2. 2

    Detail experience with different databases and queue systems

  3. 3

    Include open source contributions if you have them

  4. 4

    Show experience with CI/CD and DevOps practices

  5. 5

    Highlight microservices vs monolith experience

Stratégie d'Outreach

  1. 1

    Talk about the company's tech stack and why it attracts you

  2. 2

    Mention a technical article from the company's blog you enjoyed

  3. 3

    Provide concrete examples of scale problems you've solved

  4. 4

    Connect with engineers on the team first, not just HR

  5. 5

    Offer to do a pair programming session as a form of interview

Préparation d'Entretiens

  1. 1

    Prepare architecture diagrams of systems you've built

  2. 2

    Review design patterns and when to apply each one

  3. 3

    Practice system design interviews with real problems

  4. 4

    Be clear on SQL vs NoSQL differences and when to use each

Une journée en tant que Backend Developer

Your day starts reviewing monitoring dashboards and production metrics. Then, design reviews for new APIs, implementing backend features, optimizing SQL queries, and working with the infrastructure team on deploys. Afternoons usually include technical documentation and mentoring juniors.

Parcours de Carrière

Junior Backend Developer
Mid Backend Developer
Senior Backend Developer
Staff/Principal Engineer
Architect
CTO

Erreurs courantes

  • Not mentioning experience with systems at scale on your CV

  • Forgetting to talk about security and best practices

  • Not preparing system design for interviews

  • Underestimating the importance of technical communication

  • Not having a technical blog or visible contributions

Outils essentiels

DockerKubernetesPostgreSQLRedisAWS/GCPTerraformDataDog

Questions fréquentes

Salaire moyen d'un/e Backend Developer?

Le salaire moyen d'un/e Backend Developer en Europe se situe entre 50K - 95K EUR. Cela varie selon l'expérience, la localisation et le type d'entreprise.

Compétences clés pour un/e Backend Developer?

Principales compétences techniques : Node.js, Python, SQL, REST APIs, Cloud (AWS/GCP). Les soft skills comme la communication et le travail d'équipe sont tout aussi importants.

Parcours de carrière d'un/e Backend Developer?

Parcours typique : Junior Backend Developer > Mid Backend Developer > Senior Backend Developer > Staff/Principal Engineer > Architect > CTO.

Backend Developer

Soumettez votre profil pour examen. J'étudie personnellement chaque candidature. Si vous êtes qualifié, je vous contacterai avec une analyse détaillée et votre plan d'optimisation personnalisé.

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