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Urgent! Lead Backend Developer (Lead Engineer) (Remote - Europe) Job Opening In Spain – Now Hiring Jobgether

Lead Backend Developer (Lead Engineer) (Remote Europe)



Job description

Lead Backend Developer (Lead Engineer) in Europe.

This position is posted by Jobgether on behalf of a partner company.

We are currently looking for a hands-on technology leader to own the architecture, design, and execution of a high-scale retail platform.

You will lead a team of backend developers and AI specialists, defining technical standards, building robust microservices, and managing AWS infrastructure to support millions of daily transactions.

This role offers a hands-on leadership opportunity to influence system design, security, observability, and API governance while collaborating with product and mobile teams.

The position starts as a 4-month engagement with strong potential to transition to a full-time leadership role.

You will work in a fully remote, globally distributed environment to create a scalable, resilient backend ecosystem with impact on retail operations across diverse markets.

Responsibilities

  • Lead the design and maintenance of the backend architecture, applying Domain-Driven Design principles for scalable microservices
  • Set up and manage AWS infrastructure using Infrastructure as Code (AWS CDK), including EKS with Fargate, RDS, S3, Cognito, and CI/CD pipelines
  • Develop high-quality, production-ready code in Java and Spring Boot for core backend components
  • Oversee a team of backend developers, conducting code reviews, guiding best practices, and ensuring team alignment
  • Define database schemas, implement migration strategies, and optimize PostgreSQL performance
  • Establish API standards, documentation, and versioning to maintain a consistent and reliable platform
  • Ensure backend security, including data protection, secret management, and VPC network security
  • Implement observability and monitoring strategies using AWS CloudWatch and X-Ray
  • Collaborate with product and mobile teams to deliver integrated solutions across the platform

Requirements

  • 8+ years of backend development experience, with extensive knowledge of Java and Spring Boot
  • Proven experience building and deploying complex microservices architectures
  • Deep understanding of Domain-Driven Design (DDD) principles
  • Hands-on experience with AWS services: EKS, Fargate, RDS, S3, API Gateway, SQS/SNS, and Cognito
  • Proficiency with Infrastructure as Code (AWS CDK) and CI/CD pipelines
  • Experience integrating third-party APIs; WhatsApp Business API experience is a strong plus
  • Strong database design and performance optimization skills, including PostgreSQL and Redis caching
  • Demonstrated ability to lead small development teams, conduct code reviews, and enforce technical standards
  • Excellent communication skills in English; Spanish is a strong advantage due to project focus
  • Experience in highly scalable, high-availability, and secure backend systems

Benefits

  • Fully remote position with flexibility to work from anywhere in Europe
  • Contract-based 4-month engagement with strong potential for full-time transition
  • Competitive gross salary of €5,000-€6,000 per month (B2B)
  • Autonomy and responsibility to own end-to-end backend development and architecture
  • Collaborative, growth-focused culture that values learning, innovation, and curiosity
  • Flexible working hours within standard CET alignment, supporting work-life balance
  • Opportunity to lead and mentor a talented team of backend and AI specialists

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