Back End Developer - €30.000 - €50.000 A Year

Spoki
Barcelona, Spain
13 days ago

Role details

Contract type
Temporary to permanent
Employment type
Full-time (> 32 hours)
Experience required
3 years minimum
Compensation
€30,000.0 - €50,000.0
Working hours
Regular working hours
Languages
English

Tech stack

Application Programming Interfaces (APIs) Agile Methodology Artificial Intelligence Amazon Web Services Amazon Elastic Compute Cloud Amazon S3 Cloud Computing Cloud Engineering Code Generation Code Review Databases Continuous Integration
+39 more
Cursor (Graphical User Interface Elements) Software Debugging DevOps Distributed Systems Django Web Framework Github Python (Programming Language) PostgreSQL OAuth Open Source Technology Performance Tuning Query Optimization Prometheus Data Logging Load Balancing GitHub Copilot Grafana Concurrency Prompt Engineering Caching AWS Lambda Backend Cloudformation Amazon Relational Database Service Pytest Infrastructure Automation Frameworks Deployment Automation Production Code AWS Fargate Front End Software Development Cloudwatch Api Gateway Restful APIs Terraform Code Restructuring Serverless Computing Docker Web Api Golang

Job description

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 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.Access to cutting-edge technologies and resources to stay at the forefront of engineering and innovation.

Requirements

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).

Benefits & conditions

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. Access to cutting-edge technologies and resources to stay at the forefront of engineering and innovation.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.buscojobs.com.es

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:55 min

Hiring backend developers with strong cultural fit

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

2:49 min

Adopting OAuth best practices and removing outdated grants

Alexander Schwartz Alexander Schwartz · WWC Europe 2026

6:36 min

Funding open source through GitHub Accelerator and Sponsors

Stormy Peters · WWC 2023

2:17 min

Mapping the maturity roadmap for scaled devops adoption

Dominik Krichbaum Dominik Krichbaum · WWC Europe 2026

3:39 min

Comparing software developer hiring challenges across European markets

Rudi Bauer Rudi Bauer +3 · Cappuccino with HR

1:34 min

Analyzing vulnerabilities in standard OAuth 2.0 authorization flows

Alexander Schwartz Alexander Schwartz · WWC Europe 2026

Videos

See all

Related articles

See all