3832 backend developer English-speaking jobs in Spain
Mid/Senior Product Growth - Engineering
- Factorial
- Barcelona
- March 31
Typically, our tasks are 75% Frontend and 25% Backend. ... At Factorial, we're looking for a Full-Stack Senior / Mid Product Developer to help us boost our
Data Engineer/Developer con Python y Power BI
- Talan Group
- Madrid
- March 31
Experience with FastAPI for backend development. ... We are currently seeking a Data Engineer/Developer with strong experience in Python and Power BI to join
Performance Engineer
- Joppy
- Barcelona
- March 30
Experience with frontend monitoring frameworks and developer tools. ... development, including: Performance optimization techniques (lazy loading, caching, CDN, minification) Backend
Engineering Manager
- Factorial HR
- Barcelona
- April 1
You have 5+ years of experience working as a full-stack developer or in a similar position. ... While our stack is Ruby on Rails for the backend and React/React Native for the clients, proficiency ... have a deep understanding of APIs (REST, GraphQL, and similar) and can create integrations with other backend
Engineering
- Plytix, Inc.
- Málaga
- March 30
A day in the life of a Plytix developer is an exciting one. ... You’ll be working with your fellow frontend and backend engineers, making sure that everything is running ... technologies Proven experience in Angular2+ Frontend Development (3+ years) Proven experience in Python Backend
Senior Software Engineer C# - Flexible Working
- Understanding Recruitment
- Ceuta
- April 4
#128640; Senior Software Engineer (Backend - Rust)#128187; Location: Remote (Spain OR Germany)#128176 ... Overview
A high-scale technology platform is looking for experienced Rust engineers to join a backend ... Responsibilities
Design and build backend services and shared libraries in Rust
Design and operate ... This role is ideal for engineers who enjoy designing scalable backend systems, solving complex technical ... microservices architectures
Event‑driven systems and Kafka
gRPC and high‑throughput APIs
Large‑scale backend
Senior AI Engineer with Python
- NTT DATA Europe & Latam
- Reus
- April 3
We are hiring a Senior Backend Python Engineer (5+ years of experience) to be part of the development ... What You'll Be Doing
Design and implement scalable backend services for a RAG-based system
Design ... and chunking strategies
Ensure testing, reliability, and production readiness
Proactively propose backend ... candidate must be highly autonomous, capable of making architectural decisions, and comfortable owning both backend ... Engineering, or equivalent experience
Minimum 5 years of experience developing microservices
5+ years of backend
Senior Software Engineer
- Understanding Recruitment
- Santa Cruz de Tenerife
- April 1
Senior Software Engineer (Backend - Rust)
Location: Remote (Spain OR Germany)
Salary: Up to £170,000 ... Overview
A high-scale technology platform is looking for experienced Rust engineers to join a backend ... Responsibilities
Design and build backend services and shared libraries in Rust
Design and operate ... This role is ideal for engineers who enjoy designing scalable backend systems, solving complex technical ... microservices architectures
Event-driven systems and Kafka
gRPC and high-throughput APIs
Large-scale backend
Senior Software Engineer
- Understanding Recruitment
- Las Palmas de Gran Canaria
- March 31
Senior Software Engineer (Backend - Rust)
Location: Remote (Spain OR Germany)
Salary: Up to £170,000 ... Overview
A high-scale technology platform is looking for experienced Rust engineers to join a backend ... Responsibilities
Design and build backend services and shared libraries in Rust
Design and operate ... This role is ideal for engineers who enjoy designing scalable backend systems, solving complex technical ... microservices architectures
Event-driven systems and Kafka
gRPC and high-throughput APIs
Large-scale backend
Senior Software Engineer
- Understanding Recruitment
- Valladolid
- March 31
Senior Software Engineer (Backend - Rust)
Location: Remote (Spain OR Germany)
Salary: Up to £170,000 ... Overview
A high-scale technology platform is looking for experienced Rust engineers to join a backend ... Responsibilities
Design and build backend services and shared libraries in Rust
Design and operate ... This role is ideal for engineers who enjoy designing scalable backend systems, solving complex technical ... microservices architectures
Event-driven systems and Kafka
gRPC and high-throughput APIs
Large-scale backend
Senior Software Engineer
- Understanding Recruitment
- Málaga
- March 31
Senior Software Engineer (Backend - Rust)
Location: Remote (Spain OR Germany)
Salary: Up to £170,000 ... Overview
A high-scale technology platform is looking for experienced Rust engineers to join a backend ... Responsibilities
Design and build backend services and shared libraries in Rust
Design and operate ... This role is ideal for engineers who enjoy designing scalable backend systems, solving complex technical ... microservices architectures
Event-driven systems and Kafka
gRPC and high-throughput APIs
Large-scale backend
Backend Engineer | Kotlin | Spring Boot | Aws
- Capitole
- Ares
- April 3
You will be part of an engineering team developing high-performance backend services and distributed ... services and APIs for scalable applications
Implement business logic and integrate backend systems ... Terraform
Azure DevOps (currently migrating to GitLab)
What you will do
Develop and maintain backend ... with cross-functional teams in an agile environment
What we are looking for
Experience developing backend ... company in the automotive sector, working with Kotlin, Spring Boot and AWS to build scalable cloud-native backend
Backend Engineer | Kotlin | Spring Boot | Aws
- Capitole
- Santiago de Compostela
- April 3
Ensure performance, reliability and scalability of backend systems. ... What we are looking for
Experience developing backend applications using Kotlin. ... Implement business logic and integrate backend systems with databases and external services. ... You will be part of an engineering team developing high‑performance backend services and distributed ... company in the automotive sector, working with Kotlin, Spring Boot and AWS to build scalable cloud‑native backend
Business Developer
- Darwin Recruitment
- Madrid
- April 3
They are looking for a Business Developer to lead their commercial efforts! ... Darwin Space are hiring for a Business Developer on behalf of a business in Madrid, Spain. ... responsible for setting up their sales team, with the ultimate goal into moving into the “Head of Business Developer
Product Data Engineer
- TuoTempo
- Barcelona
- April 1
Backend ↔ BI Bridge & Ownership
Act as the primary bridge between Backend Engineering and BI, owning ... without owning core backend services. ... Collaborate with BI and Backend teams to troubleshoot and resolve complex issues. ... You will design and maintain ETL pipelines, collaborate closely with Backend and BI teams, and act as ... This role is not purely analyst nor purely backend: it is a cross‑functional ownership role responsible
Principal Backend Engineer (Golang)
- Pragmatike
- Madrid
- April 1
Optimise backend systems for performance, reliability, security, and fault tolerance. ... Required Qualifications
5–6+ years of experience as a Senior or Lead Backend Engineer. ... Conduct thorough code reviews, mentor other engineers, and raise overall backend engineering quality. ... You will play a key role in designing and evolving the backend foundations of a decentralized cloud platform ... Industry
Cloud Computing / AI / European Deep-Tech SaaS
About The Role
We are seeking a Senior / Lead Backend
Staff Golang Engineer (100% Remote)
- Pragmatike
- Madrid
- March 30
Optimize backend systems for performance, reliability, security, and fault tolerance. ... Required Qualifications
5–6+ years of experience as a Senior or Lead Backend Engineer. ... We are seeking a Senior / Lead Backend Engineer (Staff-level mindset) with strong expertise in Go and ... Conduct thorough code reviews, mentor other engineers, and raise overall backend engineering quality. ... You will play a key role in designing and evolving the backend foundations of a decentralized cloud platform
Backend Software Engineer (Core AI)
- Goodweek
- Madrid
- March 31
Tasks
You’ll shape our core AI framework and backend, taking full ownership of backend features. ... More specifically, you will:
Build robust backend services for AI systems (RAG, model orchestration ... platforms
Familiar with CI/CD, Git workflows, and agile methodologies
Bonus: familiarity with other backend ... experience (or strong familiarity) with AI/ML integration (LLMs, RAG, or similar)
Solid understanding of backend
Senior Software Engineer - Python|Backend ( Remote)
- Trivelta
- Barcelona
- March 30
Responsibilities
Develop Backend Systems Design and implement scalable, high-performance backend solutions ... The Role
As a Senior Backend Software Engineer, you will play a pivotal role in designing, developing ... Strong hands-on experience with Python for backend development, automation, and data processing. ... Qualifications
Proven experience designing, developing, and scaling high-performance backend systems
Staff Engineer - Treasury Management
- Pleo
- Madrid
- April 3
We’re hiring a Staff Backend Engineer to join the Treasury Management team. ... You will help set technical direction and deliver resilient backend systems that help customers optimise ... and reliability
What You’ll Be Doing
Drive initiatives to design, build, and maintain scalable backend ... the technical part of cross-team initiatives
Set technical direction for key parts of the Treasury backend ... coding a meaningful part of the time
You’ll Bring Solid Experience With
Designing and maintaining backend






















































