Last updated: 2025-05-22

18 Backend Engineer jobs in Madrid.

Hiring now: Sr Backend Engr @ Pleo, Lead Dev Backstage Suppor @ Thoughtwor, Sr Backend Engr @ Sinch, Staff Software Engr Alert @ Datadog, Sr Software Engr @ Celonis, Backend Engr @ Cabify, Backend Dev @ Sopra, Sr Be Ai Engr @ Aircall, Sr Backend Rd Engr @ Ansys, Sr Backend Engr @ Termius.Explore more at at kaamvaam.com

🔥 Skills

Java (4) distributed systems (4) Go (4) Python (4) microservices (3) Kubernetes (3) scalability (3) performance (3) Elixir (3) Ruby (3)

📍 Locations

Madrid (18)
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Pleo

Senior Backend Engineer Madrid
Skills & Focus: Backend Engineer, Kotlin, microservices, cloud environments, DevOps, relational databases, testing frameworks, observability, technical debt, code reviews
About the Company: Pleo helps companies manage their finances by allowing employees to spend responsibly. They promote a culture of trust and transparency, with a focus on teamwo…
Experience: Extensive experience in server-side languages and solving complex technical challenges at scale.
Salary: 87,000€-93,000€ (Spain/Portugal); £79,000-£83,000 (United Kingdom)
Type: Full-time
Benefits: Pleo card, lunch allowance, private health insurance, flexibility/remote working, option to purchase additional holiday…

Thoughtworks

Lead Developer - Backstage Support and Consulting Madrid
Skills & Focus: software delivery, microservices, DevOps, Backstage, cloud infrastructure, Kubernetes, TypeScript, cloud deployment, agile methodologies, customer success
About the Company: Thoughtworks is a dynamic and inclusive community of bright and supportive colleagues who are revolutionizing tech. As a leading technology consultancy, they h…

Sinch

Senior Backend Engineer Madrid
Skills & Focus: backend development, Java, microservices, distributed systems, non-relational databases, APIs, event-driven architecture, Kafka, RESTful APIs, performance and reliability
About the Company: Sinch is a global company composed of people from different countries and cultures. Our benefits adjust regionally to support employees and help them to thrive…
Experience: 6-8 years of backend development experience
Type: Full-time
Benefits: Health and life insurance, a flexible work environment, retirement savings plans, and more.

Datadog

Staff Software Engineer - Alerting Platform Madrid
Skills & Focus: alerting, platform, reliability, scalability, design, distributed systems, real-time systems, performance, architecture, engineering
About the Company: Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve …
Experience: 2+ years in a platform or infrastructure-focused environment
Benefits: New hire stock equity (RSUs), employee stock purchase plan (ESPP), continuous professional development, inclusivity pro…

Pleo

Senior Backend Engineer Madrid
Skills & Focus: Backend Engineering, Kotlin, Microservices, Cloud environments, Distributed systems, Relational databases, Testing frameworks, DevOps culture, Technical leadership, Code reviews
About the Company: Pleo is a company dedicated to helping every organization go beyond just managing finances, aiming to promote responsible spending culture and digitizing compa…
Experience: Experience solving complex technical challenges at scale
Salary: 87,000€-93,000€ (Spain/Portugal), £79,000-£83,000 (United Kingdom)
Type: Full-time
Benefits: Private health insurance, flexibility/remote working options, paid parental leave, access to LinkedIn Learning, lunch a…

Celonis

Senior Software Engineer Madrid
Skills & Focus: Java, cloud systems, software development, REST APIs, micro-service architecture, PostgreSQL, GitHub Actions, CI/CD, application performance, mentorship
About the Company: Celonis helps some of the world’s largest and most esteemed brands make processes work for people, companies and the planet. With over 5,000 enterprise custome…
Experience: Minimum of 6 years of experience in software development
Type: Full-time
Benefits: Great compensation and benefits packages (equity (restricted stock units), life insurance, time off, generous leave for…

Cabify

Backend Engineer Madrid
Skills & Focus: backend technology, Go, Elixir, Ruby, distributed systems, design patterns, peer-reviews, mentoring, data oriented, continuous delivery pipeline
About the Company: At Cabify, we aim to make cities better places to live by improving mobility for the people living in them, connecting riders to drivers at the touch of a butt…
Experience: Experience in developing medium/large-scale web applications and distributed systems in a production environment.
Salary: up to 72K
Type: Full-time
Benefits: Recharge days (10 Free Fridays annually), flexible work environment, regular team events, personal development programs…

Datadog

Software Engineer - Backend Generalist Madrid
Skills & Focus: scaling, deployment, production, feature flags, architecture, high scale, software engineering, team collaboration, pragmatism, problems solving
About the Company: Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve …
Experience: 5+ years of software building experience
Benefits: New hire stock equity (RSUs), employee stock purchase plan (ESPP), continuous professional development, intradepartment…

Sopra

Backend Developer Madrid
Skills & Focus: Java, Microservices, Spring Boot, Clean code, Code reviews, Debugging, Performance optimization, Docker, Kubernetes, CI/CD pipeline
About the Company: Sopra is expanding its backend development team and is looking for experienced Java and Microservices programmers to participate in an important international …
Experience: Experience in programming with Java and Microservices
Type: Full-time
Benefits: Flexible office hours with intensive summer hours

Aircall

Senior BE & AI Engineer Madrid
Skills & Focus: AI features, design, development, deployment, operation, back-end stacks, AWS, CRM, Helpdesk, E-Commerce
About the Company: Backed by over $220 million of investment since 2015, we create technology that fuels accessible, transparent and collaborative communication to empower our ba…
Experience: Previous experience implementing AI features is a must.
Type: Full-time

Ansys

Senior Backend R&D Engineer Madrid
Skills & Focus: Backend services, AI-based technology, Simulation, Python, Postgres, Elixir, Rust, Problem-solving, Performance improvement, Data pipelines
About the Company: Ansys software enables innovators to push boundaries by using the predictive power of simulation for various industries, including sustainable transportation a…
Experience: 5 years with BS, 3 years with MS, or 1 year with PhD
Type: Full-time

Datadog

Senior Data Science Backend Engineer - Profiling Madrid
Skills & Focus: analysis engine, profiling, optimization, performance, resources, statistics, machine learning, algorithm performance, scalability, insights
About the Company: Datadog is a global SaaS company providing cloud infrastructure monitoring, application performance monitoring, log management, and security solutions for orga…

Cabify

Backend Engineer Madrid
Skills & Focus: Backend development, Python, Go, Scalability, Distributed systems, Agile methodologies, Continuous delivery, Data-oriented applications, Mentorship, Collaborative teams
About the Company: Cabify is a company that empowers business and operations teams to focus on what they do best by scaling them with technology. Currently, it serves thousands o…
Experience: Experience in developing medium/large-scale web applications and distributed systems in a production environment is also a plus.
Salary: L3 up to 52K // L4 (Senior) up to 72K
Type: Full-time
Benefits: Excellent salary conditions, recharge days (10 free Fridays annually), flexible work environment & hours, regular team …

Pleo

Senior Software Engineer Madrid
Skills & Focus: Senior Software Engineer, Authentication, Authorization, scalable systems, cloud infrastructure, Kubernetes, OAuth, OIDC, backend languages, mentoring
About the Company: Pleo is on a mission to revolutionise the way businesses manage company spending by creating tools that promote autonomy and foster trust.
Salary: up to £86,500 in the UK; up to €92,500 in Spain/Portugal
Type: Full-time
Benefits: Pleo card, Lunch allowance, Private healthcare, 25 days of holiday, Remote working options, Mental health support, Link…

Aircall

Senior Software Engineer Madrid
Skills & Focus: Software Engineer, Core Platform, Ruby, Typescript, AWS, deployment, operational excellence, metrics, observability, business-critical features
About the Company: Aircall is a place where voices are valued. Backed by over $220 million of investment since 2015, we create technology that fuels accessible, transparent, and …
Experience: Senior level
Type: Full-time

Cabify

Software Engineer Madrid
Skills & Focus: Software Engineer, backend technologies, Go, Elixir, Ruby, distributed applications, reliability, scalability, performance, data-driven
About the Company: Cabify aims to make cities better places to live by improving mobility and connecting riders to drivers at the touch of a button.
Salary: Excellent Salary conditions
Benefits: Recharge days! (10 Free Fridays annually), Flexible work environment & hours, Regular team events, Cabify staff free ri…

Datadog

Senior Software Engineer - Event Management Madrid
Skills & Focus: Go, Java, Python, Kafka, Redis, Cassandra, Elasticsearch, distributed systems, data pipelines, low latency
About the Company: Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve …
Experience: Significant backend programming experience in one or more languages (Go, Java, Python) and experience working on large scale and low latency systems.
Benefits: New hire stock equity (RSUs), employee stock purchase plan (ESPP), continuous professional development, mental health b…

Termius

Senior Backend Engineer Madrid
Skills & Focus: backend engineer, Python, relational databases, RESTful APIs, cloud platforms, Docker, Django, system design, version control, CI/CD
About the Company: Termius is a modern SSH client built for collaboration and productivity. It organizes infrastructure knowledge and helps troubleshoot incidents quickly to redu…
Experience: 5+ years
Type: Full-time
Benefits: Longevity benefits: paid vacation, sick leaves, and flexible time off.