Top Software Engineer Jobs in Valencia

Develop and maintain a C# and IL-based application-protection product. Collaborate with senior engineers on implementation and technical problem-solving, learn obfuscation and runtime protection concepts, break down tasks, and verify AI-generated code. Contribute to adjacent C++, frontend, command-line, and CI/CD work as needed while reviewing implementations for correctness.

Develop and maintain cloud-based backend applications using Java and Spring Boot in a microservices environment. Responsibilities include designing RESTful APIs, integrating Kafka events, implementing features, testing, deployment, troubleshooting, code reviews, documentation, and collaboration with product, UX/UI, and engineering teams. The role supports digital twin solutions for ports and terminals and requires occasional travel.

Architect and develop production-grade business systems across Salesforce, NetSuite, and integrated enterprise platforms. Build quoting, subscription, and entitlement engines; create automation pipelines and API integrations; establish architecture, security, documentation, and code-review standards; and translate commercial policies into scalable technical solutions. The role partners with Finance, Sales Operations, Customer Success, and product stakeholders while maintaining system reliability, auditability, observability, and production readiness.

Full‑stack engineer responsible for building and owning elastic.co features end-to-end: React front‑end, backend services, CI/CD, production instrumentation, security triage, on‑call incident response, and collaborating with product and design to deliver scalable, secure web experiences.

Build and improve reliable, user-focused product experiences across the frontend and backend. Partner with Product, Design, and Engineering to understand user needs, propose solutions, implement features, troubleshoot software, write documentation, and contribute to technical and product decisions. Develop tested JavaScript or TypeScript code using React, Node.js, and related technologies while continuously learning and taking ownership of increasingly complex problems.

Build and maintain high-volume payment services, write testable code, improve reliability and performance, investigate production issues, collaborate across product and engineering teams, and explore AI-enabled engineering tools to boost productivity.

Build and maintain Ergodic AI’s AI platform across back-end and front-end systems. The role involves developing with Python web frameworks and JavaScript/TypeScript, integrating with client technology stacks and workflows, applying AI, ML, and LLM concepts, and contributing to DevOps, cloud deployment, testing, and infrastructure practices. As an early-stage hire, the engineer will help shape the product and solve complex data and AI challenges.

Build and ship reliable, scalable, production-quality software across the stack for an equity management and financial reporting platform. Responsibilities include developing user-facing features, working with product managers and designers, contributing to data models and workflows, participating in code reviews and architecture discussions, and owning medium-sized projects through release. Teams focus on equity logic, automation, reporting, or tax workflows.

Build and operate backend services supporting millions of emails. Own features end to end, design reliable distributed systems, scale APIs and databases, manage cloud infrastructure, improve observability and deployments, and participate in on-call rotation. Collaborate with customers and support to improve the product, strengthen engineering quality, and deliver complete experiences across the stack.

Design and develop clean, maintainable software for automated document-processing products. Collaborate with business stakeholders to translate requirements into product improvements, conduct code reviews, guide technical direction, mentor colleagues, and improve engineering practices. The role uses Golang, MySQL, Docker, Kubernetes, cloud infrastructure, and GitHub CI/CD while emphasizing product ownership, clean architecture, software craftsmanship, and technical communication.

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.

Design, build, and maintain backend collections systems to manage delinquent loans. Collaborate with product, risk, and engineering teams, deliver features in phases, support operations and on-call rotation, instrument monitoring, and participate in hiring and team growth.

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.

Build and maintain full-stack internal tools, automated workflows, and customer-facing features using TypeScript, Node.js, and React. Integrate LLMs, AI services, third-party APIs, and external platforms. Use AI coding assistants to prototype, develop, test, and improve reliable software. Collaborate with internal users, product managers, designers, engineers, and the Chief AI Officer in an Agile environment while contributing to architecture, code reviews, UX, security, performance, and continuous improvement.

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 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.

Develop and maintain scalable frontend web applications and data visualization platforms using React, Redux Toolkit, and Vite. Collaborate with cross-functional teams, implement features, write tests, conduct code reviews, troubleshoot issues, and support RESTful APIs. Contribute to agile processes, accessibility, user experience improvements, and continuous development while using AI tooling responsibly and staying current with modern web technologies.

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

Design, develop, and maintain Java back-end services within a microservices architecture. Build REST and GraphQL APIs, integrate cloud and data technologies, and support reliable web applications. Collaborate with cross-functional teams in Agile workflows, contribute to testing and code quality, and use technologies such as Spring Boot, AWS, Snowflake, Redis, Docker, and Kubernetes.

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.

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.

Work on Servicing International building purchase protection (disputes/refunds) and agent tooling. Contribute to web apps and backend APIs, collaborate with global teams, participate in on-call rotation, ship reliable scalable solutions, and engage in code reviews and growth activities.

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.

Leads verification for embedded software supporting datacenter and energy products. Develops test strategies, architectures, automation frameworks, and test code using Python and PyTest; executes tests, analyzes defects, validates releases, and reports quality results. Collaborates with architects, board and systems teams, and distributed stakeholders to improve testability and release reliability. Mentors test engineers and promotes best practices across firmware, APIs, tools, and services.