Top Software Engineer Jobs in Spain

As a Software Developer, you will develop high-quality software solutions, maintain application building pipelines, support development environments, and automate tasks, within a collaborative team.

The Backend Software Developer will design, develop, and deliver software solutions, collaborate on architecture, and maintain production environments while adhering to best practices and working in Agile teams.

Lead backend development for the IT Provisioning team, set technical standards, ensure solution quality, and coach tech leads. Design and operate scalable, reliable microservices, event-driven systems, CI/CD pipelines, and Kubernetes deployments to enable end-to-end customer onboarding.

The role involves delivering features across the CRM platform for distributors, using AI tools, handling fullstack development tasks, and collaborating closely with teams and customers.

As a Back-End Software Engineer, you will design, build, and deploy cloud-native software using Java and Kotlin on AWS, ensuring agile practices and a strong DevOps mindset.

Lead the design, development, maintenance, testing, optimization, and troubleshooting of complex full-stack software applications. Collaborate with cross-functional teams, document technical requirements, resolve issues, prepare data, support users, and develop reliable APIs and microservices. Apply C#, .NET, Angular, SQL, messaging systems, cloud-native engineering practices, CI/CD, containerization, monitoring, and Agile methodologies while helping establish responsible AI-enabled engineering workflows.

Develop, test, integrate, and support robotic controls software for automated lift trucks in an embedded environment. Responsibilities include vehicle control communication, simulation, requirements development, software and electrical architecture, code and design reviews, supplier leadership, manufacturing support, and mentoring entry-level engineers. The role requires C/C++ development, robotics sensors and SLAM experience, embedded control systems, network communications, and MATLAB/Simulink/Stateflow expertise. Occasional travel may be required.

Lead design and delivery of real-time fraud decisioning services and APIs, extend decisioning platform to international markets, integrate regional risk vendors and ML/AI signals, own platform tooling and availability, mentor engineers, collaborate cross-functionally, and participate in on-call rotation.

Develop and maintain sophisticated automated tests across integration, component, UI, load, and distributed systems. Build test harnesses and infrastructure, analyze and triage results, debug production and development issues, and establish quality metrics. Collaborate with engineers, product owners, and analytics teams on testability and requirements. Mentor junior staff, guide automation strategy, reduce technical debt, and influence technical decisions across projects and teams.

Develop and maintain RESTful and event-driven APIs for a warehouse management platform. Build scalable backend services with Node.js, optimize SQL queries and stored procedures, integrate internal and external systems, collaborate with front-end, mobile, and platform teams, and support debugging, monitoring, documentation, and defect resolution.

Design and scale mission-critical market data services for stocks, options, crypto, and foreign exchange. Responsibilities include architecting backend systems and APIs, maintaining software quality and test coverage, participating in code reviews, and troubleshooting incidents and bugs. The role uses Go and Python with REST, gRPC, WebSockets, SSE, Docker, Kubernetes, Google Cloud, BigTable, Prometheus, Grafana, and ELK.

Build and optimize scalable backend services and ETL/ELT data pipelines. The role involves Python development, data ingestion and transformation, SQL and NoSQL schema design, query optimization, automated testing, data quality checks, CI/CD, Docker-based deployments, and production ownership. The engineer will collaborate across the organization and process financial data within a bilingual English- and Spanish-speaking environment.

The Full Stack Software Engineer will design, develop, and maintain frontend and backend components, collaborating across teams to deliver scalable solutions for Taptap's technology platform.

The Full Stack Software Engineer will design, develop, and maintain frontend and backend components for Taptap's global technology platform, collaborating with cross-functional teams to deliver scalable solutions.

Design and build durable, distributed data-streaming infrastructure that decouples process data from Camunda’s live execution engine. Develop customer-facing integrations such as Kafka connectivity, support analytics data consumption at scale, and make architecture decisions around consistency, durability, and storage. Participate in production support and on-call rotations while collaborating with Product, Data Layer, Distributed Systems, QA, SRE, and Support teams. Lead ambiguous, cross-functional engineering initiatives from design through delivery.

Build and maintain Camunda 8 backend data-layer services spanning relational databases and Elasticsearch/OpenSearch. Design scalable storage, query, retention, and streaming systems; improve performance, indexing, and production tooling. Lead engineering initiatives from solution design through delivery, collaborate across teams, provide L3 support, and participate in on-call rotations. Investigate production data issues and contribute to schema evolution, workflow automation, and CI improvements.

Lead architecture and backend development for international core systems, ensuring high availability, concurrency, security, and scalability. Design Java/Spring Boot services, optimize performance, integrate MySQL/Redis/Kafka, manage technical risk, drive productization, mentor engineers, and coordinate with suppliers and product teams. Onsite role in London supporting European operations.

Design, implement, and test cloud-based server-side software in Python. Optimize code performance, maintain unit and integration tests, and work with AWS, Docker, DevOps, and CI/CD tools. Preferred experience includes reverse engineering public APIs, PostgreSQL, Django ORM and DRF, network protocols, and web or mobile technologies.

The Staff Software Engineer will own technical vision across teams, contribute hands-on, and lead initiatives to enhance the platform's reliability and capability, collaborating across functions.

Develop, maintain, and optimize .NET-based integration solutions connecting business applications. Implement secure RESTful and SOAP APIs and microservices, work with SQL/NoSQL databases and message brokers, ensure compliance and performance, troubleshoot integrations, and collaborate with IT and business teams in an Agile squad.

Build and scale fullstack AI product experiences using Python backend services and TypeScript/Next.js frontends. Design real-time APIs, integrate and deploy AI agents, prototype user experiences, improve performance and reliability, collaborate across product and AI teams, write tested code, contribute to architecture, and mentor engineers. The role requires strong product intuition, ownership, and comfort in a fast-paced startup environment.

Lead and deliver backend features for Repayment Scheduling: design and implement highly available distributed systems, collaborate with product/design/analytics, own operational reliability and on-call duties, mentor engineers, set quality standards, and drive technical decisions and delivery.

Build and own end-to-end features across backend and frontend: design backend services and data models (Python/Django), implement RESTful APIs, create reusable frontend components (TypeScript/React), write tests, participate in code reviews, maintain production reliability and security, and collaborate with product and design.

Emburse seeks a Software Engineer III to enhance enterprise SaaS applications, mentor developers, and improve software quality through collaborative and agile practices.

The role involves designing, developing, and maintaining full stack applications, focusing on modern APIs, cloud services, and collaboration with teams.