Back End Developer

Backend Developer Company: Spoki Location: Barcelona, Spain We require on-site presence at our San Vito dei Normanni (BR) office one week 4 times / year Salary Range: €30,000 - €50,000 Inscríbase (haciendo clic en el botón correspondiente) después de revisar toda la información relacionada con el trabajo a continuación.About Us Spoki is a Conversational Platform that helps companies build authentic relationships with their customers through WhatsApp and Artificial Intelligence. We believe in the value of genuine connections and provide tools that enable marketing, sales, and customer care teams to communicate in a direct, effective, and personal way. Our culture is built on four key principles: an unwavering passion for what we do, putting customer success first, working as a united and collaborative team, and approaching challenges with an entrepreneurial and results-driven mindset. Key Responsibilities Backend Development: Design, build, and maintain scalable, high-performance APIs using Python  and Django . Contribute to backend services written in Golang  where performance and concurrency are critical. Define and optimize PostgreSQL  schemas, queries, and indexes for efficiency and scalability. Integrate with third-party APIs and external systems. Ensure robust authentication, authorization, and data protection mechanisms. Cloud Infrastructure & DevOps: Manage and optimize AWS  environments (EC2, Lambda, RDS, S3, API Gateway, ECS). Automate deployments using CI/CD pipelines  (GitHub Actions, AWS CodeBuild, or similar). Apply infrastructure-as-code  practices (Terraform, CloudFormation). Monitor, log, and troubleshoot distributed systems in production environments. AI-Driven Development (Vibe Coding): Work closely with AI coding assistants to generate, refactor, and maintain production-ready code — with at least 75% of development AI-assisted . Focus on architecture, orchestration, and review  rather than manual coding. Design effective prompts, validate AI-generated code, and ensure compliance with performance and security standards. Help evolve our internal “Vibe Coding”  workflows and best practices for human–AI collaboration. Collaboration & Quality: Collaborate cross-functionally with frontend developers, designers, and product owners. Participate in code reviews and architectural discussions. Write clean, maintainable, and well-tested code aligned with project goals. Must To Have Experience:  3+ years in backend development with production-grade systems. Languages:  Strong proficiency in Python  and Django , with working knowledge of Golang . Databases:  Experience with PostgreSQL , query optimization, and migrations. APIs:  Proven experience designing and consuming RESTful APIs. Cloud:  Solid understanding of AWS services  (EC2, Lambda, RDS, S3, etc.). DevOps:  Experience with Docker , CI/CD, and infrastructure automation. Testing:  Familiarity with testing frameworks (PyTest, unittest). Collaboration:  Strong communication and teamwork in Agile environments. Nice to Have AI & Automation Tools:  Experience using Cursor , Windsurf , GitHub Copilot , or other AI-assisted development tools. Prompt Engineering:  Ability to craft effective prompts for AI code generation, debugging, and optimization. Cloud-Native Mindset:  Experience with serverless architectures  (AWS Lambda, Fargate) and Terraform . Performance Optimization:  Understanding of concurrency, async processing, caching, and load balancing. Security Awareness:  Knowledge of OAuth2, JWT, and best practices for secure API design. Monitoring & Logging:  Experience with Grafana , Prometheus , or AWS CloudWatch . Open Source:  Contributions or side projects showcasing backend, AI, or automation expertise. Multilingual Environment:  Comfortable working in an international, English-first team with async communication. Work Policy for Barcelona This is a on site position based at the Aticco Bogatell coworking space in Barcelona. Employees working from the Barcelona office must spend 1 full week at the San Vito dei Normanni (Italy) office every 3 months (i.e., at least 4 times per year). The travel schedule will be defined in agreement with the manager. Expenses: 100% of travel and accommodation expenses are reimbursed by Spoki. What we offer Be part of building a cutting-edge Conversational Commerce platform poised for global expansion. Competitive compensation Work with an international, passionate, supportive, and talented team dedicated to excellence. The latest Apple MacBook Pro and all necessary tools. Career Levels: continuous growth with clear key points to help you design your personal and professional development in the direction you desire Permanent, full-time contract. Regular team-building events and celebrations. xsgfvud Access to cutting-edge technologies and resources to stay at the forefront of engineering and innovation.