Last updated 2026-07-05

36 Backend Engineer Jobs in Barcelona, 56, Spain

Browse 36 Backend Engineer jobs across Barcelona, 56, Spain. Listings are updated hourly and include salary data where available.

Snapshot updated 26m ago

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Freenow by Lyft

Jul 2
Senior Backend Engineer (m/f/d), Driver Onboarding
Barcelona, 56, Spain senior
  • We are looking for a talented and motivated Senior Backend Engineer (m/f/d) for our new Driver Onboarding team.
  • As an engineer on our team, you will tackle the exciting challenges of building a best-in-class driver onboarding platform .

SIX

Jul 2
Senior Software Analyst & Developer Job Details | SIX
Barcelona, 56, Spain senior
  • As a Software Analyst & Developer, you will work at the heart of a business-critical Clearing ecosystem, supporting and evolving…
  • Senior Software Analyst & Developer Madrid, Barcelona | Working from home up to 40% | Reference 8109 Join our team…

Titan OS

Jul 1
Senior Backend Engineer (Ruby on Rails)
Barcelona, 56, Spain senior Full Time
  • Role overview: We are looking for a Senior Backend Engineer (Ruby on Rails Developer) with a deep understanding of server-side…
  • Key responsibilities Designing and developing highly scalable backend services and APIs to support front-end applications and third-party i…

Gartner

Jul 1
Principal Software Engineer (React / Golang) - Peer Community
Barcelona, 56, Spain senior Full Time
  • Design and build effective, observable, and scalable backend services in Go.
  • Design and evolve client-side architecture for web and mobile while ensuring consistency across platforms.

Gartner Careers

Jul 1
Principal Software Engineer (React / Golang) - Peer Community
Barcelona, 56, Spain senior
  • Design and build effective, observable, and scalable backend services in Go.
  • Design and evolve client-side architecture for web and mobile while ensuring consistency across platforms.

Smadex SLU

Jun 26
Junior Data Engineer
Barcelona, 56, Spain entry Full Time
  • We're looking for an enthusiastic Junior Data Engineer who is passionate about data pipelines and excited by extreme performance challenges.
  • Interest in Big Data, Machine Learning and Data Engineering.

ADP

Jun 12
Senior Software Engineer (Backend)
Barcelona, 56, Spain senior
  • As a Backend Developer, you’ll do more than code, you’ll communicate the intricacies and problems at hand.
  • For the Backend primarily Java, AWS Lambda, JavaScript and Python.

Expereo

Jun 10
Senior Backend Developer (Python)
Barcelona, 56, Spain senior Full Time
  • About the role We are looking for a Backend Developer to join the Supplier onboarding and Quote Management teams and…
  • Code Quality & Engineering Practices Refactor and clean up existing Python/C# code: reduce complexity, increase testability, and bring the…

Affinity.co

Jun 8
Senior Software Engineer
Barcelona, 56, Spain senior
  • As a Senior Software Engineer in the Identity Access Management & Integrations Team , you'll have the opportunity to push…
  • You’re excited to work on a cross-functional team, partnering with product stakeholders, other teams, and subject matter experts Language r…

More roles at Affinity.co

Workato

Jun 5
Staff AI Engineer
Barcelona, 56, Spain mid Full Time
  • You will also be responsible to: Design, build, and maintain AI-powered services and APIs, leveraging LLMs (OpenAI, Anthropic, Qwen, OSS…
  • This is a highly technical, hands-on role that involves close collaboration with product and platform teams to transform advanced AI…

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Canyon

May 26
SENIOR SOFTWARE ARCHITECT - API & INTEGRATION (M/F/D) Job Details...
Barcelona, 56, Spain senior
  • We are looking for a Senior Software Architect to be the driving force behind this mandate - guiding teams on…

2021 Clarivate Analytics (Espana) SAU

May 21
Senior Software Engineer - AI Product Development
Barcelona, 56, Spain senior Full Time
  • Work as a backend software engineer in a cross-functional team.
  • We’re looking for a passionate and experienced Senior Software Engineer -AI Product Development to join our AI Innovation Team in…

More roles at 2021 Clarivate Analytics (Espana) SAU

Datavant

May 20
Staff Backend Engineer (Python)
Barcelona, 56, Spain mid
  • Staff Backend Engineer (Python, Kubernetes, AWS) The Role As a Staff Backend Engineer, you will design and build scalable services…
  • You’ll collaborate with other engineering leaders on all matters that impact the Engineering team, including resourcing and building techno…

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Prosper AI

May 15
Senior Software Engineer
Barcelona, 56, Spain senior Full Time $20/hr
  • As a Software Engineer, you’ll be at the center of designing and scaling our platform, the low-latency speech/LLM pipelines, orchestration…
  • What we're looking for 3-5 years of experience building products end-to-end, from architecting solutions to deploying production-grade soft…

BLP Digital AG

May 14
Senior Backend Developer
Barcelona, 56, Spain senior Full Time
  • Shape Architecture: Collaborate on system design, tech stack decisions and optimizations for scalability, performance and maintainability.
  • 5+ years of experience in a software engineering role.

Cint

May 12
Senior Software Engineer
Barcelona, 56, Spain senior Full Time
  • Job Description The Role As a Senior Software Engineer in our Supply domain, you won't just be writing features; you…
  • Who You Are Fullstack-Minded Backend Expert: You have deep experience in backend systems and feel comfortable switching between languages.

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FeverUp

May 12
Becas de Excelencia - Engineering (Barcelona)
Barcelona, 56, Spain mid 24k/yr
  • 🚀 Launch Your Tech Career with the “Beca de Excelencia Fever” in Software Engineering There is a belief that only…
  • You’ll work alongside experienced engineers in software, product, data, growth and operations , on projects that impact millions of users.

Fundamental

May 12
SWE (Research team)
Barcelona, 56, Spain mid Full Time
  • Hands-on experience with the modern ML research tech stack and cloud infrastructure (e.g., cloud providers (AWS, GCP), Weights & Biases,…
  • Demonstrated track record of developing and utilizing solutions for robustness and quality assurance within software and/or ML systems.

Rain Technologies Inc.

May 11
Tech Lead
Barcelona, 56, Spain senior Full Time
  • What You’ll Do Translate product requirements into robust technical solutions, recommend alternative approaches and lead engineering effort…
  • We are seeking an experienced Tech Lead to spearhead the development within our Core Services squad.

More roles at Rain Technologies Inc.

MediaMarktSaturn Retail Group

Apr 29
Experienced Fullstack Engineer - Store Apps Platform (m/f/d) Job...
Barcelona, 56, Spain mid 4/hr
  • MediaMarktSaturn Retail Group Your Tasks We're looking for an experienced Fullstack Engineer to join our Platform team; a small, high-impac…
  • Your Profile Solid fullstack experience with TypeScript and Node.js.

Air Apps

Apr 28
Backend Engineer
Barcelona, 56, Spain mid Full Time 52k-65k/yr
  • The Role As a Backend Software Engineer, you will be responsible for designing, building, and maintaining the server-side components of…
  • Requirements 5+ years in backend engineering roles; Proficiency in Node.js and TypeScript; Strong experience with Supabase or equivalent Po…

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Atos

Apr 27
Back-end Developer & Analyst
Barcelona, 56, Spain mid
  • Role Overview Bull is looking for a motivated and proactive Back‑end Developer & Analyst to join our international R&D team.
  • Key Responsibilities Design, develop, test, and maintain backend services using Kotlin / Java , microservices , and REST APIs .

Proton

Apr 20
Senior Backend Engineer (Payments)
Barcelona, 56, Spain senior
  • Job requirements: Proven experience with back-end development Expertise in building scalable, high-performance solutions Proficiency with p…
  • Future Plans: With payments being the backbone of any subscription business, we have ambitious plans to expand the team to…

Monzo

Apr 13
Software Engineer II
Barcelona, 56, Spain mid 1.2k/yr
  • As a backend engineer you’ll work in a squad alongside other disciplines like product managers, marketers, user researchers, designers, mob…
  • You should apply if: you have strong experience working on the backend of a technology product you want to be…

Mistral AI

Apr 13
Mistral Cloud - Software Engineer, Backend
Barcelona, 56, Spain mid Full Time
  • As a Backend Engineer, you’ll play a key role in developing the core systems that drive our Cloud solutions.
  • Strong understanding of backend fundamentals: APIs, databases, caching, messaging systems and distributed architectures.
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