Backend DeveloperCompany:
SpokiLocation:
Barcelona, SpainWe require on-site presence at our San Vito dei Normanni (BR) office one week 4 times / yearSalary Range:
€30,000 - €50,000
About UsSpoki 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 ResponsibilitiesBackend 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 HaveExperience:
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 HaveAI & 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 BarcelonaThis 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 offerBe part of building a cutting-edge Conversational Commerce platform poised for integral expansion.Competitive compensationWork 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 desirePermanent, full-time contract.Regular team-building events and celebrations.Access to cutting-edge technologies and resources to stay at the forefront of engineering and innovation.

📌 Back End Developer - €30.000 - €50.000 A Year (Madrid)
🏢 Spoki
📍 Madrid