Top Software Engineer Jobs in Valencia

Develop high‑traffic web applications and self‑serve conversion flows (discovery → quote → signup), build and optimize alan.com and marketing acquisition systems, collaborate with Marketing/Sales/Product/Data/Design, and deliver measurable improvements that drive member acquisition and revenue using the company stack.

Verify embedded software for datacenter power-management systems by defining test specifications, developing automated tests and frameworks (Python/PyTest), automating CI/CD, analyzing results, documenting root cause, and authoring test reports and release sign-offs.

Verify embedded software for datacenter power-management systems by defining test specs, developing automated tests and frameworks (Python/PyTest), integrating CI/CD, analyzing defects, authoring reports, and signing off releases to ensure security, reliability, and real-time performance.

Implement and optimize EVM-compatible features, reduce gas usage, develop and test smart contracts, collaborate on Ethereum infrastructure, and provide technical support.

Develop and optimize Soroban smart contracts and integrate anchor services on the Stellar network for cross-border payment solutions. Collaborate with cross-functional teams, test and debug smart contracts, document development processes, provide technical support, and stay current with blockchain and payments technology trends to ensure secure and efficient implementations.

Build and maintain high-security mobile wallet apps using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams, debug performance issues, and propose UX and security improvements.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

Seeking software engineers with at least 2 years of production backend experience, interested in crypto and blockchain technologies, for roles with portfolio companies.

Develop and maintain backend services and platforms for Wi‑Fi network design and optimization. Contribute to architecture, implement scalable microservices on AWS, work with device data and APIs, debug production issues, collaborate with cross-functional teams, and mentor junior engineers.

Build backend services and APIs to manage lifecycle of Qdrant Cloud clusters (provisioning, scaling, upgrades, backups, auth). Collaborate across teams, investigate production issues, and improve reliability, scalability, and usability of the cloud platform.

Develop core backend components for a blockchain network, focusing on networking, reliability, scalability, and high-quality software practices.

The role involves building self-service platform services using Go, automating operational workflows, scaling Kubernetes, and ensuring reliability in cloud environments.

The role involves designing and building AI-focused research tools, optimizing performance, engaging with customers, and scaling product features quickly.

The Backend Engineer will design scalable infrastructure for AI research tools, collaborate on optimizing system performance, and own evaluation pipeline automation.

Build and maintain backend-first features and integrations for Triptease's marketing channels. Work across the full stack (primarily backend), design scalable distributed systems, implement CI/CD on cloud platforms, collaborate closely with product teams, pair program, write tests (TDD), and contribute to squad strategy and product quality.

Build and maintain the Customer Portal: front-end React/TypeScript and back-end Node.js services. Own features end-to-end, modernize legacy systems, ensure production reliability (on-call, monitoring, incident response), coordinate cross-team integrations, and champion AI-assisted workflows to improve delivery.

Lead the technical direction and implementation of Grafana's authentication systems (OAuth/OIDC/SAML/LDAP/SCIM). Build and operate low-latency, high-throughput Go services, drive cross-team architecture, mentor senior engineers, and ensure reliability, security, and scalability of identity at edge.

Lead full‑stack development of high‑traffic public websites, integrate AI tooling into the SDLC, design scalable backend and performant UIs, maintain cloud infrastructure, CI/CD, monitoring, and testing, and own services under a you‑build‑it‑you‑run‑it philosophy.

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, test, and integrate embedded robotic control software for lift trucks. Create system and component requirements, simulate and verify software, collaborate globally on electrical and software architectures, support manufacturing and aftermarket, lead code/design reviews, mentor junior engineers, and liaise with technology suppliers to ensure quality, reliability, and performance.

Build and maintain backend integrations and production features for Enode's Connect platform. Work on Node/TypeScript and AWS-based services to support EV charging and home energy systems, collaborate with product and commercial teams, debug and improve services, participate in code reviews, and translate customer needs into reliable technical solutions.

Build and operate services and tooling that automate network lifecycle, make network changes safe (CI/CD, rollouts, audit trails), develop scalable observability and telemetry, integrate network source-of-truth with platform APIs, and collaborate with network engineers and SREs to turn operational pain into production-grade automation.

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.

Design, implement, and maintain cross-platform C++ features for Multipass on macOS and Windows. Lead architecture, mentor peers, write high-quality tested code, review contributions, debug user issues, collaborate with a distributed team, engage the open-source community, and support customers.

Develop and maintain ABAP solutions in S/4HANA Cloud, own features and interfaces, integrate SAP with Make/Node/Python/Retool and the data warehouse, work directly with Finance stakeholders, investigate root causes, and learn modern SAP patterns (RAP, BTP, Released APIs).