Top Software Engineer Jobs in Spain

Rover seeks a Lead/Senior Software Engineer with 7+ years of experience, specializing in frontend technologies like ReactJs and Python. Responsibilities include building customer-facing products, mentoring team members, and promoting engineering best practices. The role includes collaboration on projects and a commitment to inclusivity and diversity in the workplace.

The Senior Software Engineer role involves collaborating within a squad to enhance customer experiences through backend development, focusing on distributed systems and resilient software using various technologies.

Design, build, and maintain RESTful, asynchronous microservices and APIs for internal and external customers. Optimize service performance at scale, deliver high-quality code reproducibly, and evolve the Service Delivery platform while collaborating across teams to drive features to completion.

Develop and maintain Java backend applications using TDD and clean code principles, participate in full SDLC within Agile/Scrum teams, design technical solutions, deliver sprint increments, support component consumers, and improve team practices.

Join a portfolio company as a Software Engineer to work on a performance-sensitive stack for crypto's dark pool, focusing on full onchain systems.

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

As a Senior Product Software Engineer, you'll design, develop, and maintain full stack applications, build RESTful APIs, implement messaging systems, and deploy applications in a cloud environment while ensuring code quality and collaboration.

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

Develop and maintain backend for the Lending product, enhance performance, redesign conversion experience, and integrate with external partners.

Lead design and implementation of core Elasticsearch search and indexing capabilities. Research retrieval algorithms and data structures, define technical vision, mentor engineers, collaborate across teams, and optimize large-scale search and distributed systems for performance and relevance.

Lead design and implementation of vector similarity search features in Elasticsearch, improve relevance and performance, fix bugs, invent or implement algorithms/data structures, collaborate with a distributed team, review and triage community contributions, and write idiomatic modern Java.

Lead design and delivery of cloud-native, Java-based microservices for merchant onboarding, payment processing, settlement, and eCommerce platform services. Drive architecture, CI/CD, observability, and DevSecOps practices; mentor engineers, partner with product and stakeholders, and support production systems for operational excellence.

Lead the development of software solutions for a logistics platform, overseeing technical strategy, mentoring teams, and ensuring high-quality software delivery.

Join the Engine team to build and maintain scalable backend applications in Ruby and GOlang, ensuring performance and reliability.

As a Staff Software Engineer, you'll design and build core services for home lending ecosystems using .NET and React/Node.js, mentor engineers, and drive technical standards in a DevSecOps environment.

The Senior Software Engineer will lead the design and coding of applications focused on fraud protection, utilizing Ab Initio and related technologies, while mentoring team members and maintaining high software quality.

Responsible for designing and implementing features for unit testing frameworks and optimizing code within the ReSharper team, ensuring high performance and collaboration with various teams.

Responsible for developing multi-currency account systems, optimizing payment processes, mentoring team members, and leading product initiatives.

The Senior Software Verification Engineer will verify embedded software for datacenters, ensure quality and reliability, and automate testing using Python. Responsibilities include developing test specs, conducting root cause analysis, and applying software industry best practices.

Design and develop services for automating work with a large server fleet while engaging in DevOps processes.

Design and develop services for monitoring servers, improve metrics pipelines, automate maintenance workflows, and investigate incidents to ensure infrastructure reliability.

Develop reliable cloud services on the hyperscaler platform, contributing to cloud infrastructure, databases, and monitoring systems. Must write reliable code with team-oriented skills.

The Principal Software Engineer will lead technical strategy, deliver full-stack solutions, optimize customer journeys, and mentor engineers within a high-performance team.

Join the Quick-Commerce Global Services team to build and maintain scalable backend systems for vendor onboarding and quick-commerce operations. Collaborate with product and cross-functional teams, troubleshoot complex issues, design reliable distributed systems, and drive technical excellence through standards, mentoring, and RFCs in a goal-driven environment.

Design, build, and operate PKI and certificate-issuance services using C#/.NET and ASP.NET Core. Implement versioned REST APIs, automate certificate and key lifecycles, optimize performance and concurrency, and run cloud-native deployments on AWS/AliCloud with EKS/Kubernetes. Own CI/CD (GitLab/GitHub Actions), observability, secure-by-default practices, documentation, and runbooks while contributing to code quality and peer reviews.