Reaktor

Senior Fullstack Developer

Reaktor
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2 months ago
Lisbon, PortugalSenior

Responsibilities

  • Build and improve modern web applications, backend services, APIs, and data models.
  • Work across frontend, backend, and infrastructure according to client project needs.
  • Advise clients on suitable technologies, architecture, and delivery approaches.
  • Contribute to cloud environments, deployments, production quality, and development workflows.
  • Debug, test, monitor, and improve production-grade systems.
  • Collaborate with clients, stakeholders, designers, product teams, and other disciplines.
  • Clarify ambiguous requirements and turn them into working software.
  • Take responsibility for delivery while supporting the team.

Requirements

  • Strong experience with modern frontend development, such as TypeScript, JavaScript, React, or comparable technologies.
  • Strong experience with backend service development using technologies such as Node.js, Java, Kotlin, Scala, Clojure, Python, or comparable technologies.
  • Experience building, shipping, and improving production-grade digital products.
  • Ability to work across implementation, testing, deployment, and production operations.
  • Understanding of cloud environments, deployments, and production systems.
  • Ability to work directly with clients and stakeholders in a senior, consultative role.
  • Strong problem-solving skills and ability to bring clarity to ambiguous situations.
  • Hands-on technical approach with the ability to contribute actively and help teams move forward.
  • Fluent written and verbal English.
  • Experience with customer-facing products, online services, ecommerce, subscriptions, internal platforms, analytics, martech, high-traffic systems, integrations, SDKs, or developer tooling is advantageous.
  • Deeper experience with platform engineering, infrastructure-as-code, or DevOps practices is advantageous.
  • Familiarity with mobile development or React Native and Finnish language skills are advantageous.

Benefits

  • Hybrid work combining office, client premises, and remote work based on project and team needs.
  • Opportunity to work across varied digital product, platform, and service domains in a low-hierarchy environment.
  • Direct collaboration with international clients and multidisciplinary teams.

Tech Stack

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Reaktor

About Reaktor

501-1,000 employees
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