Top Software Engineer Jobs in Valencia

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.

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

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.

Design, develop, test, maintain, and troubleshoot scalable software applications, services, APIs, and platforms. Collaborate with engineering, product, design, and other stakeholders; participate in code reviews, technical discussions, solution design, and continuous improvement. Apply modern cloud, DevOps, automated testing, and CI/CD practices while improving system performance, reliability, scalability, and observability.

Design, build, test, document, deploy, and maintain mobile SDKs that run network tests across Android (and optionally iOS/embedded). Collaborate on architecture, ensure reliability/portability, integrate analytics, and support third-party developers and device manufacturers.

Build and architect high-performance advisory brokerage services for block trading, portfolio management, and IRA products. Develop frontend and backend systems, databases, and distributed architectures with strong concurrency, scalability, availability, and low-latency performance. Design order management and financial transaction systems while contributing across the technology stack in an early-stage environment.

Build and ship full-stack features for a data intelligence SaaS platform, spanning backend services and frontend interfaces. Use AI coding assistants to accelerate development while applying sound engineering judgment. Participate in architecture discussions, code reviews, testing, incident response, troubleshooting, documentation, and knowledge sharing. Partner with product managers to translate requirements into technical solutions. The role emphasizes SaaS architecture, AWS cloud fundamentals, Docker, Kubernetes, CI/CD, agile delivery, autonomy, and production ownership.

Design, build, and own scalable backend services, APIs, and high-performance web frontends for an autonomous procurement platform. Improve reliability, security, and performance, implement async task pipelines, and collaborate with product and design. Mentor juniors, participate in code reviews, and leverage AI-assisted tools while shipping iteratively in a globally distributed, async-first team.

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.

Build and scale healthcare applications across frontend, backend, databases, cloud infrastructure, integrations, and production operations. Develop React/TypeScript applications, Node.js or Python services, PostgreSQL systems, APIs, asynchronous workflows, and healthcare integrations using FHIR and HL7. Strengthen AWS infrastructure, CI/CD, testing, monitoring, security, authentication, PHI protection, reconciliation, and operational resilience. Collaborate with product, clinical, operations, and external healthcare partners to deliver reliable patient and care-management functionality.

Build and maintain Camunda 8 backend data-layer services across relational databases and Elasticsearch/OpenSearch. Design scalable storage, query, retention, streaming, and secondary-storage solutions; investigate production data issues; improve performance and operability; and deliver engineering initiatives collaboratively with Product, QA, Support, and SRE. Participate in L3 support and on-call rotations.

As a Software Engineer, you'll develop software for Ceph and distributed storage, collaborating with a global team to enhance cloud solutions.

Leads the technical vision, architecture, development, and migration of Sezzle’s authentication and authorization platform. Designs scalable Golang gateway and identity services on AWS, establishes OAuth2/OIDC, token, service authentication, and authorization standards, and drives secure zero-downtime migrations. Partners with security and engineering teams on compliance, observability, CI/CD, incident response, and reliability while mentoring engineers and influencing technical strategy across the organization.

Canonical is hiring a Software Engineer to develop features for Kubernetes, focusing on operators and integrations while collaborating in a distributed team.

Design, deploy, and maintain scalable backend ingestion pipelines for Elastic’s observability products across major cloud providers. Own features from concept through delivery, provide escalated customer support, review code, mentor peers, monitor services, define SLIs and SLOs, and participate in an on-call rotation. The role requires strong Go development, Kubernetes, Terraform, Kafka, observability, microservices, and distributed-systems expertise, plus experience with OpenTelemetry and AI-assisted development tools.

Develop and maintain web-service features, design backend APIs and business logic, review code, and improve production infrastructure reliability, redundancy, and resilience. The role requires strong programming, database design, web-service API, AWS, Linux, Docker, Kubernetes, and continuous deployment experience, along with communication, analytical, and teamwork skills.

Build and operate Alan’s privacy platform, including the GDPR Orchestrator for data retention, deletion, anonymization, and pseudonymization. Develop reliable APIs, contracts, safety mechanisms, observability, documentation, templates, and self-service tooling. Enable engineering teams to manage their own data rules, coordinate with legal and security stakeholders, and evolve privacy capabilities across data stores and third-party systems. The role involves hands-on Python and TypeScript development, production ownership, on-call operations, and cross-team technical leadership.

Provide technical support for applications: investigate and resolve issues, develop and implement interfaces, create support documentation, collaborate with Design/Test/Dev teams, estimate resources, and monitor project performance.

Investigate and resolve verified application issues, develop and implement interfaces, create technical support documentation, collaborate with design, test and development teams, provide user support, estimate resource timings, and monitor project performance to meet goals.

Design and build scalable backend systems for PlanetScale's database platform (Vitess/Postgres), collaborate on distributed systems challenges, work autonomously and with customers, optimize performance, and mentor engineers while operating systems at production scale.

Architect, develop, and scale cloud services, dashboards, and data pipelines to support robotics and autonomous vehicle telemetry. Integrate IoT devices with Azure services, build APIs/microservices, implement observability and CI/CD, validate systems in lab and field, and mentor junior engineers.

Design, develop, and maintain scalable Python/Django backend services and RESTful APIs for financial products. Implement data models, write tests, optimize performance, ensure availability and security, participate in code reviews, and collaborate with cross-functional teams to deliver features and maintain production systems.

Design and implement complex customer-facing frontend features using TypeScript and React. Provide technical leadership, mentor junior engineers, drive frontend architecture and best practices, improve performance and accessibility, partner with product/design, integrate with backend APIs, and manage technical debt and scalability.

Develop and maintain open-source, silicon-optimized AI/ML inference application packages (Inference Snaps) for Linux/Ubuntu Core. Debug, write high-quality code, review upstream contributions, secure and optimize local inference deployments across embedded devices to gateways, and collaborate with a distributed team and stakeholders.