Top Software Engineer Jobs in Seville

Owns the CI/CD and release infrastructure roadmap, technical vision, security gates, artifact provenance, and organizational adoption. Directs engineers through complex, multi-quarter projects, leads incident response for supply-chain and release issues, and raises engineering standards through mentorship and reviews. Remains hands-on with code, prototyping, debugging, and production issues while improving developer productivity, release safety, and infrastructure scalability.

Lead the modernization of business-critical legacy PHP systems into scalable Node.js and Next.js architectures. Provide hands-on coding, architectural guidance, API and microservices design, debugging, refactoring, and incremental migration leadership. Translate undocumented business logic into maintainable solutions, leverage AI-assisted development tools, communicate trade-offs to stakeholders, establish engineering standards, and mentor additional engineers.

Build and ship backend features for enterprise Coder deployments, including database migrations, observability, reporting, auditing, security, scalability, and reliability improvements. Investigate production issues, resolve operator problems, document designs, participate in code reviews and RFC discussions, and join on-call rotations. The role requires professional Go development, concurrency knowledge, SQL expertise, debugging ability, and strong communication.

Senior Software Engineer on Elastic’s Elasticsearch Performance team, developing and implementing code- and architecture-level optimizations for distributed search systems. Responsibilities include profiling, benchmarking, regression detection, performance modeling, vector search optimization, and building AI-assisted optimization tools. The role requires deep Java and JVM expertise, concurrency knowledge, distributed systems experience, and collaboration across engineering teams.

Build and maintain backend collections systems to manage delinquent loans, implement recovery strategies, ensure high availability and reliability, collaborate with product and risk teams, participate in on-call rotation, write well-tested extensible code, and contribute to team growth.

Build and operate backend pricing systems for real energy contracts. Responsibilities include designing the Pricing API, consolidating pricing logic, improving quote speed, implementing error handling and observability, creating alerting, explaining pricing failures, and supporting live incidents. The role requires production Python backend experience, FastAPI, SQL, data-heavy systems, end-to-end project ownership, and AI-assisted development workflows.

Develop and enhance MetaMask social and multi-chain experiences across Portfolio, browser extension, and mobile platforms. Collaborate across teams on complex projects, mentor engineers, and build scalable full-stack applications using React, React Native, modern JavaScript, blockchain technologies, APIs, testing, and continuous integration. Ensure cross-platform compatibility and apply web security best practices.

Designs and develops backend services for Elastic’s Streams data pipeline, Logstash, and OpenTelemetry Collector using Java, JRuby, and Golang. Responsibilities include solving distributed systems problems, improving code and dependencies, maintaining test coverage, reviewing pull requests, collaborating across teams, supporting enterprise customers, and participating in on-call rotations.

Build and evolve Rerun’s open-source viewer, cross-language SDKs, and integrations with Rerun Hub. Develop high-performance interfaces for large-scale multimodal data, optimize workflows across desktop and web, make full-stack architecture decisions, and collaborate with backend, Hub, design, customers, and the open-source community. The role involves UI development, rendering, data handling, infrastructure, real-time applications, visualization, and performance optimization.

Develop and optimize software solutions for industrial additive manufacturing in an agile team. Responsibilities include designing algorithms, data structures, and software subsystems; debugging complex issues; benchmarking and improving performance, stability, efficiency, and scalability; and contributing to software quality and documentation. The role uses Vue.js, TypeScript, Python, C++, MongoDB, Docker, and automated development tools.

Design, build, and scale a Kubernetes-based internal platform for managed cloud products. Develop highly available and fault-tolerant production services using Kubernetes and cloud-native technologies, contribute to enterprise platform roadmaps, integrate infrastructure technologies, establish engineering best practices, mentor teammates, and collaborate across Agile engineering teams.

The Software Engineer will join a product squad to develop and maintain functionalities on the 360Learning platform, focusing on JavaScript technologies and clean architecture.

Build full-stack infrastructure, developer tools, frameworks, and user-facing interfaces that improve engineering productivity and operational excellence. Work across Python/Flask, React, React Native, and PostgreSQL in a monorepo, contributing to design systems, accessibility, security, cloud infrastructure, CI/CD, observability, and AI-assisted development. Partner closely with product teams, own solutions end to end, and help create a scalable, secure engineering environment.

Design, implement, and optimize scalable application networking features (Ingress, DNS, private connectivity) for Elastic Cloud. Integrate security controls, conduct load and performance testing, troubleshoot network incidents, build tracing tools, and collaborate with cross-functional teams to meet application networking needs and improve observability and operability.

Build scalable backend systems and data pipelines to power consumer credit reporting. Partner with Product, Compliance, Servicing, and Credit teams to design, deliver, monitor, and operate accurate reporting systems, including on-call responsibilities. Develop robust, well-tested code in Python or Kotlin using distributed systems patterns and technologies like AWS, MySQL, and Spark.

Staff Backend Software Engineer responsible for setting technical strategy, designing and launching highly available distributed systems, and delivering business-critical identity capabilities for international markets. The role involves cross-functional collaboration, system architecture, operational ownership, monitoring, on-call support, code quality standards, technical communication, and mentoring engineers.

Develop and architect features for Malwarebytes Browser Guard, serving millions of users. Write high-quality, tested code; design integrations; collaborate with Product, UX, and QA; review code; mentor engineers; and support delivery of the product roadmap. The role emphasizes React, JavaScript/TypeScript, Go, debugging, system architecture, AI workflows, user-centric design, and strong communication.

Design, build, and improve distributed clearing and securities-finance systems supporting brokerage products. Own projects from ideation through deployment, develop reliable APIs and integrations, refine existing infrastructure, and participate in on-call operations. The role requires strong systems fundamentals, attention to detail, financial-markets interest, and ownership of production systems handling customers’ money.

Build and scale Base360.ai’s short-term rental platform, including customer-facing applications, APIs, automation engines, AI-powered workflows, third-party integrations, and cloud infrastructure. Develop systems for reservations, pricing, payments, guest communication, property operations, reporting, and financial workflows. Own projects end to end, make architectural decisions, ensure reliability, and deliver scalable products in a remote-first startup environment.

Staff Software Engineer responsible for architecting and developing scalable web applications and APIs using Elixir, React, and PostgreSQL. The role involves solving ambiguous technical and business problems, ensuring system reliability and performance, collaborating cross-functionally, presenting solutions to leadership, writing tested code, participating in code reviews, mentoring engineers, and removing technical roadblocks.

Design and implement backend card-platform features covering tokenization, sensitive card data, transaction enrichment, settlement, issuer integrations, and payment processing. Architect scalable, secure, PCI-compliant microservices; own projects end-to-end; contribute to shared infrastructure; review code; mentor teammates; and participate in on-call support. The role requires Java, Spring Boot, API and microservices expertise, card-payments knowledge, Docker, Kubernetes, and strong independent collaboration skills.

Lead the technical vision and development of Elasticsearch’s core search infrastructure, including indexing, query execution, retrieval, and relevance. Research search algorithms and data structures, contribute to Lucene, guide technical roadmaps, mentor expert engineers, and collaborate across distributed teams. Build and optimize high-performance distributed search systems while serving as a domain authority for Elasticsearch capabilities.

Build and maintain production-grade iOS applications using Swift and SwiftUI, integrating AI features through backend APIs. Design reliable AI interaction patterns, optimize performance, memory, battery, and latency, capture user feedback for AI evaluation, and collaborate with backend and ML engineers. Maintain App Store quality, monitor production issues, and resolve root causes.

Design and operate customer-facing networking APIs, Python orchestration control planes, and automation that configures routers across global points of presence. Build resource allocation, job queues, retries, rollback, reconciliation, BGP, WireGuard, GRE, NAT, firewall, DNS, cloud interconnect, and Envoy xDS integrations. Own production monitoring, incident response, billing synchronization, API compatibility, and network configuration drift detection across application and infrastructure layers.

Lead the architecture and evolution of scalable ETL and data-processing systems for customer product catalogs. Design reliable distributed systems, improve throughput and latency, strengthen fault tolerance and observability, and guide technical direction across teams. Mentor senior engineers, conduct architecture reviews, lead cross-functional initiatives, influence hiring and onboarding, and help shape the engineering organization’s long-term technical vision.