English-speaking jobs in Castro Daire

Senior React Native Developer to build a new mobile wallet for Hyperliquid. Responsibilities include designing, implementing, and maintaining a mobile-first trading application, integrating with wallets, optimizing performance, and collaborating with backend and product teams. Requires 4+ years of mobile development experience, including React Native, iOS, and Android app delivery.

Lead technical engagement with Tier-1 Service Providers throughout the pre-sales lifecycle. Design end-to-end service architectures, translate customer requirements into solution designs, and own technical responses to RFPs and RFIs. Advise customers on service design, platform integration, and migration strategies. Collaborate with bid teams, product management, and delivery teams.

Senior/Expert Oracle PL/SQL Developer sought to solve complex challenges and optimize performance in large-scale data environments. Requires 4+ years of PL/SQL development, database performance analysis, C#/.NET knowledge, and experience with Agile methodologies.

Salesforce Developer with 3+ years of experience in Apex, Visualforce, and Salesforce platform customization (Sales, Service, Marketing Cloud). Must have REST/SOAP API integration experience and fluency in English.

Designs, builds, and implements SDN core network fabrics across multiple data center environments. Delivers greenfield Arista SDM fabrics ensuring high availability, resilience, and automation readiness. Supports strategic data center transformation programs.

Site Operations Specialist maintains day-to-day operations and performs O&M tasks for cable stations and POPs. Responsibilities include installation, troubleshooting, circuit provisioning, and 24/7 on-call support.

Proposal Manager to lead cross-functional teams through the proposal development lifecycle. Analyze and interpret tenders, RFPs, and other procurement documentation. Develop proposal schedules, coordinate activities, and ensure compliance with customer requirements.

Java Spring Boot Middle Developer sought for national and international projects. Requires 3-5 years of Java experience, including API development in distributed systems. Experience with Spring Boot, relational and non-relational databases is essential.

Develop manipulation policies and integration pipelines for dexterous and gripper-based hands across multiple robot embodiments. Bridge learned manipulation policies to safe, reliable on-robot execution in real deployment environments.

Cloud Developer with 3+ years of experience in AWS, Java, Python, or Golang. Must have experience with microservice architectures, code optimization, and technologies like RDBMS, NoSQL, and Big Data.

Back-end Developer with experience in Camunda or equivalent BPM technologies needed. Develop and maintain back-end services, implement business logic and workflows, and integrate with databases and core systems. Collaborate with teams to ensure quality, performance, and scalability of solutions.

Senior Epidemiological Programmer will lead development of datasets and conduct longitudinal analyses for observational studies in virology. Requires experience with EMR and claims data, statistical programming (SAS/R), epidemiological study design, and managing multiple studies.

Senior Salesforce Architect to design and implement a Trade Cycle Management platform leveraging AI, predictive analytics, and LLMs. Requires 8+ years of Salesforce experience, expertise in platform architecture, and hands-on experience with AI integrations, data architecture, and financial systems.

Designs and delivers global digital upskilling programs for BCG, translating strategic direction into learning strategies and scalable initiatives. Collaborates with stakeholders across Digital, AI, Practice Areas, and People teams to embed upskilling into firm operations. Manages multiple workstreams, tracks program impact, and continuously improves learning solutions.

Data Scientist to build data-driven products by turning complex data into actionable insights and deployable models. Develop and validate statistical and machine learning models, translate results into clear narratives, and create reusable data science assets. Requires a Bachelor's degree in a quantitative field and 3+ years of experience applying data science/advanced analytics. Strong Python, SQL, and experience with Databricks are needed.

Backend QA Engineer will design and execute tests for APIs, databases, and backend services. Collaborate with engineers to ensure high-quality standards. Requires 2-3 years of experience with Node.js, TypeScript, PostgreSQL, and API testing tools.

IT Delivery Manager with 5+ years of experience managing complex, large-scale IT projects in a multi-client environment. Plans, monitors, and coordinates project portfolios, ensuring adherence to deadlines, budgets, and milestones. Strong technical background and communication skills required.

Senior Technical Program Manager to lead a global enterprise security program across distributed teams. Manage project timelines, dependencies, and Agile ceremonies across multiple regions. Track delivery milestones, resolve blockers, and provide executive-level visibility into program progress.

The OT SOC Manager will lead OT security operations, manage threat detection and incident response, develop security procedures, and oversee vulnerability management.

Leads the development and implementation of Mastercard's pricing and interchange strategies for products and services, focusing on core fees. Designs, assesses, and implements initiatives to strengthen Mastercard's competitive position globally, regionally, and at the country level. Collaborates with commercial teams, product management, and functional partners to drive revenue growth and market competitiveness.