backend developer English-speaking jobs in Portugalete

Overview Here at MMB, we work as part of the @one Alliance and we are part of a totally collaborative organisation made up of other partner companies (Anglian Water, Balfour Beatty, Barhale, Binnies, MWH Treatment, Skanska and SWECO) and our extended supply chain, delivering over half of Anglian Water’s capital investment programme.

Lead local & international insights & strategy projects for international FMCG clients. Manage qualitative & quantitative research projects, analyze data, and present actionable insights. Minimum 15+ years of insight experience in leading FMCG's required.

The Head of Internal Audit will oversee internal audit activities within a regulated payments environment, ensuring compliance with regulatory requirements. This role will monitor external audit providers, review audit reports, and report findings to senior management and the Board.

Payroll Coordinator will manage end-to-end payroll processing across multiple countries, ensuring compliance with labor and tax regulations. The role involves collaborating with payroll providers, reconciling payroll data, and preparing HR cost reports. Requires 5+ years of experience in payroll and HR controlling, strong analytical skills, and proficiency in English.

Senior Backend Engineer to design, develop, test, deploy, and maintain software using a JVM language and Spring Boot in large-scale production systems. Experience with relational and non-relational databases, preferably Postgres, and AWS is desired. Full professional proficiency in English is required.

Computer Vision Engineer to develop and deploy 3D imaging and visualization software. Responsibilities include data preprocessing, model training, and production deployment. Requires strong deep learning fundamentals, Python proficiency, and experience with PyTorch or a similar framework.

Designs, develops, and implements automated solutions for testing and deploying software applications. Focus on front-end applications using Javascript/Typescript and tools like Selenium and Appium. Collaborates with QA engineers and developers to define test strategies and integrate automated tests into CI/CD pipelines.

Registered Nurse provides high-quality patient care, assists during surgical procedures, and ensures patient well-being. Responsibilities include pre- and post-operative care, medication administration, and maintaining a safe clinical environment.

Senior Manager, Clinical Trial Management will lead, mentor, and manage a team of Clinical Trial Managers. Responsibilities include supporting the development of departmental initiatives, ensuring studies are conducted according to SOPs and regulations, and collaborating with cross-functional teams to improve CTM processes.

FlowTiger seeks a Media Buyer to manage paid campaigns for ecommerce brands across Meta, Google, TikTok, and more. Proven experience buying media for ecommerce brands (3+ years) and hands-on experience with major platforms required.

Tracelink is recognized as an industry leader by Gartner and IDC, and for having a great company culture by Comparably. Position Overview TraceLink has built the world's largest cloud-based network dedicated to protecting patients, ensuring compliance and growing profits across global life sciences.

Data Engineer to design, develop, and maintain ETL pipelines using Azure Data Factory, Databricks, and Spark for a German automotive client.

Acts as main interface to internal customers, managing deliveries and ensuring process adherence. Leads interface with internal customer on SQCDP, reporting, and coordination. Manages supplier orderbook, actively managing stocks, and ensuring on-time, quality, and cost delivery of products. Participates in New Product Introduction and Change Request evaluation. Responsible for proactive and reactive product conformity according to quality inspection plans.

Finance Specialist to review, validate, and create financial content for AI model training. Responsibilities include identifying errors, biases, and hallucinations in financial outputs, designing training datasets, and evaluating AI-generated financial responses. Requires a Bachelor's or Master's degree in Finance, Accounting, Economics, or a related field and strong understanding of core financial concepts.

Project Manager to build and lead a centralized PMO for a new pharmaceutical production site in Madrid. Manage complex project portfolios, standardize project governance, and ensure compliance with global regulations.

Head of Private Client Services manages a portfolio of high-net-worth clients, curating and overseeing their experience in Ibiza. The role combines client management, business development, and operational oversight, requiring a strong commercial mindset and experience working with UHNWIs.

Inventory Integrity Executive will perform counts/audits at customer locations across EMEA to ensure compliance and minimize inventory risk. Requires fluency in English, travel throughout EMEA, and experience in logistics/warehouse/inventory control.

Junior Fiduciary Accountant provides accounting, reporting, and tax support for client companies. Manages client portfolios, prepares financial statements, and assists with audits. Requires accounting experience within the Spanish framework and proficiency in English.

Develop and mature new composite manufacturing technologies, from laying to finishing, up to industrial demonstration and dissemination. Lead technology development, including automation and process monitoring for predictive quality control. Contribute to the industrial strategy for composite technology and support the maturation process on R&T projects.

Manages and elevates butler service standards across a luxury fleet. Drives consistent, personalized service delivery and strengthens Butler team capabilities. Provides training, feedback, and support to ensure high-quality service.