Top Tech Jobs & Startup Jobs in Seville

Verify the front end of high-performance RISC-V CPU cores, including instruction fetch, branch prediction, decode, dispatch, and speculative execution. Develop verification strategies, SystemVerilog/UVM testbenches, constrained-random tests, assertions, and functional coverage. Debug RTL and simulation failures using waveforms and collaborate with CPU architects, RTL designers, and software teams to identify root causes and ensure correctness across workloads and corner cases.

Reviews, drafts, negotiates, and tracks clinical trial, vendor, confidentiality, consulting, and other contracts. Manages site contract negotiations, budgets, metrics, documentation, and archiving while coordinating with study teams, sponsors, vendors, and stakeholders. Ensures compliance with contracting policies, supports timely execution, resolves contractual issues, and improves processes. The role requires independent work, strong organization, communication, judgment, and attention to detail in a remote, fast-paced CRO environment.

Analyze cellular network performance and application-layer QoE, identify bottlenecks, build scalable data-processing pipelines, and develop analytics solutions using Python, R, and SQL. Partner with network operators to collect, validate, and analyze large-scale real-world network data, supporting optimization of mobile network services.

Own and scale external social media presence across LinkedIn and Instagram for a B2B media brand and two C-level executives. Responsibilities include developing organic social strategies, writing platform-native content, managing executive thought leadership, conducting insight calls, coordinating multimedia production, maintaining content calendars, and analyzing performance metrics. The role requires strong English copywriting, B2B marketing knowledge, social selling expertise, and experience managing multiple content streams.

Reviews, debugs, evaluates, and optimizes GPU and accelerator kernels for AI workloads. Responsibilities include CUDA and Triton optimization, framework translation, hardware migration, operator fusion, profiling, benchmarking, numerical correctness validation, compilation and runtime debugging, and memory hierarchy optimization. The role assesses implementation quality, performance bottlenecks, hardware limitations, and technical task configuration while providing actionable feedback.

Evaluate and improve AWS Trainium and NKI kernel implementations for AI workloads. Responsibilities include reviewing kernel correctness, migrating CUDA kernels to NKI, optimizing Trainium performance, profiling and benchmarking, managing SBUF, PSUM, and HBM memory, orchestrating DMA, assessing numerical correctness, and providing technical feedback. The role is remote, part-time, and project-based, requiring at least two years of hands-on NKI kernel experience.

Reviews CVE reproductions, exploit proof-of-concepts, vulnerability fixes, Docker-based labs, and security regression tests. Validates attack conditions, remediation effectiveness, root-cause resolution, application functionality, and alternative exploitation paths. Responsibilities include analyzing configurations, software versions, networking, test suites, and vulnerability classifications while providing rigorous technical feedback. The role is remote, part-time, and project-based, focused on application security and vulnerability research.

Build and integrate backend features for Octopus Energy’s website and mobile app using Python and Django. You will contribute to customer onboarding, billing, savings sessions, private-area functionality, and marketing dashboards. The role involves designing GraphQL and REST APIs, asynchronous processing with Celery, PostgreSQL database work, scalable software development, and collaboration within international agile teams. You will identify business needs, propose practical technical solutions, and deliver high-impact MVPs quickly.

Supports enterprise pre- and post-sales deal operations by managing requests, coordinating Sales, Legal, Finance, and Operations stakeholders, preparing documentation, maintaining Salesforce records, and ensuring timely approvals and execution. The role also identifies process improvements, manages competing priorities, and contributes to team best practices and knowledge sharing.

Leads Dow’s Digital Operations technology strategy, identifying and prioritizing intelligent automation opportunities, translating business needs into scalable digital solutions, and overseeing implementation across sites and functions. Partners with operations, technology, data, cybersecurity, and business leaders to improve reliability, performance, adoption, and value realization. Provides strategic guidance to senior leadership while mentoring employees and promoting responsible, safe, and inclusive technology adoption.

As a Senior Backend Engineer, you'll enhance development efficiency, support a microservices transition, ensure robust testing, and improve CI/CD processes while driving architectural decisions.

Drive sales of Netskope cloud security solutions by presenting to technical and executive audiences, delivering demonstrations, leading proofs of concept, gathering requirements, managing evaluations, responding to RFIs/RFPs, and differentiating against competitors. The role also advocates for customers, supports issue resolution, provides product feedback, attends events, and requires heavy regional travel.