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Urgent! Senior Backend Developer Job Opening In barcelona – Now Hiring Adikteev

Senior Backend Developer



Job description

Adikteev, a member of the 2025 French Tech 120, fuels the app ecosystem by inspiring users to engage with the apps they know and love.

Specializing in user retention, we grow in-app revenue and build user loyalty with custom retargeting and CTV UA campaigns.

With over 100 employees and offices in Paris, San Francisco, and Seoul, Adikteev operates worldwide, achieving a 60% revenue growth this year ($50m+ revenues in 2023).

Our Culture
  • Own it, Live it: Our top priority is making sure our customers are fully supported and engaged.

  • Rolling with Changes: We anticipate challenges and embrace continuous learning.

  • Making waves with purpose: Every decision aims to create positive impact.

  • The ADIKTEAM vibe: Collaboration and support are core to who we are.

Software Engineer – Key Responsibilities
  • Take ownership of product services, especially ads bidding and user segmentation.

  • Collaborate with Backend, Frontend, Data Engineers, SREs, and Product Managers to enhance the platform, improve performance, and revitalize outdated services (migration or redesign).

  • Ensure code quality, maintainability, and strong test coverage.

  • Apply development best practices: peer code review, continuous integration, rapid deployment.

  • Choose appropriate tools and technologies to keep the system efficient and reliable.

  • Manage technical debt while addressing daily scaling challenges.

  • Focus on scalability (technical and business) to minimize technical debt.

Qualifications
  • Strong experience with NodeJS or Go.
  • Experience with large-scale systems, service-oriented architecture, or caching systems (in-memory, distributed).

  • Experience with high-performance and/or low-latency systems.

  • Understanding of stream processing architectures.

  • Experience maintaining or operating production systems.

  • Knowledge of at least one public cloud platform (AWS, Azure, or GCP).

Nice to Have
  • Write code that is easy to test and consistent.

  • Always factor scalability into your work.

  • Skilled at diagnosing and resolving issues as they arise.

  • Thrive in collaborative environments and can clearly communicate the vision behind your solutions.

Residency and EEO Statement

Applicants must maintain residency and be legally authorized to work in France or the European Union.

Adikteev is an equal‑opportunity employer and is committed to building an inclusive environment for all employees, candidates, vendors and clients, regardless of race, color, religion, gender, sexual orientation, age, national origin, disability, marital status, or military status.

Benefits
  • Competitive salary.

  • Performance‑based quarterly bonus with transparent KPIs.
  • Longevity bonus every 2 years.

  • 4½‑day work week (Fridays afternoon off).

  • Mental health support.

  • Regular team‑life events and activities.

  • Inclusive parental leave policy.

  • Benefits compliant with local laws for remote team members outside France.

Hiring Process
  • HR call with Mélanie, Talent Acquisition Partner.

  • Technical interview with Alexandre, Staff Engineer, and François, Senior Backend Engineer.

  • Interview with Aldenis, Head of Engineering, and Youcef, Senior Engineering Team Lead.

  • Final interview with Cédric, CTO, and Loïc, CPO.

  • Accommodations for candidates requiring assistance are handled confidentially by HR.

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Advertising Services

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Required Skill Profession

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