Senior Software Engineer (Python, Ai & Data) - B2b Saas

Barcelona (Hybrid) 4 days in-office, 1 day remote

Por favor, presente su candidatura sin demora si su perfil encaja bien con este puesto, debido al alto nivel de interés.

Full-time

Remuner, a fast-growing B2B SaaS company in the RevOps tech space

About Remuner

We are a fast-growing B2B SaaS company based in Barcelona, building a data‑driven platform that helps companies automate and optimize complex business processes.

Our product deals with high volumes of data, non‑trivial business logic, and increasingly incorporates AI‑driven capabilities to assist users and automate workflows.

What You’ll Do

We’re looking for a senior engineer who goes beyond just shipping features — someone who understands the business behind the product, challenges requirements, and builds solutions that actually solve problems.

You will be part of a small, highly collaborative team with strong ownership and direct impact on the product.

• 
  
• Design and implement backend systems and APIs (Python, FastAPI/Django)
  
• Build and improve frontend features (Vue.Js)
  
• Work with data‑intensive systems and optimize performance (SQL/NoSQL)
  
• Design and implement AI‑powered features and workflows
  
• Work on orchestration of AI agents and integrations with LLMs
  
• Contribute to architecture and technical decisions
  
• Review code and uphold engineering standards
  
• Collaborate closely with product and business stakeholders
  
• Translate business problems into technical solutions
  
• Take ownership beyond implementation, understanding impact and trade‑offs
  
• Own features end-to-end: from design to deployment and monitoring
  

You’ll enjoy this role if

• 
  
• You like working on complex business logic, not just CRUD
  
• You’re comfortable dealing with messy real‑world data
  
• You care about performance, scalability, and clean systems
  
• You’re excited about building real AI features, not demos
  
• You naturally think in terms of problems, not tickets
  
• You want to understand why things are built, not just how
  

How we work

• 
  
• Small team, high ownership, low bureaucracy and real impact on the product
  
• Pragmatic engineering culture (we optimize for impact, not over‑engineering)
  
• Direct exposure to product decisions and customers
  

What we offer

• 
  
• Hybrid Work Policy – Fridays from 9:00–15:00 remote, plus six additional remote days per quarter.
  
• Flexible Working Hours – Shape your schedule with manager’s approval to match your productivity.
  
• AI‑Native Culture – Opportunity to work on real AI problems (not just demos)
  
• Growth opportunities as the company scales internationally
  
• Young, dynamic, and multicultural team
  
• Office Comforts – Fresh fruit, coffee, and snacks to keep you fueled. xhfqzwm
  
• Free Lunch – From Monday to Thursday enjoy free in‑office lunch catering
  
• Flexible Compensation – Tax‑advantaged spending on transport, restaurants, bars, kindergarten services, plus private health insurance options.
  

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