backend developer English-speaking jobs in Extremadura

Principal Data Engineer to design and implement data pipelines, microservices, and information architecture for intelligent agents combating disinformation. Serve as a technical reference, mentor teams, and define the company's data infrastructure roadmap. Requires 10+ years of experience building production-grade software, proficiency in Python, SQL, NoSQL, and cloud platforms, and fluency in Spanish and English.

PhD Student will assemble, annotate, and analyze plant genomes, focusing on transposon content and evolution. Experience with ONT long-read sequencing, transposon analysis, and P. patens cultivation is required.

Senior .NET Engineer with 7+ years of experience sought to design and implement backend services in C#/.NET (ASP.NET Core) for a critical, audited fintech platform. Expertise in Azure, IaC, and distributed architectures is required.

We are seeking ambitious entrepreneurs to build and scale AI startups. You will own and operate your startup, receive personalized development support, and benefit from access to a network of top founders, investors, and talent.

Project Manager to lead the delivery of utility-scale Solar PV and BESS projects (20MW+) in Spain. Full ownership from Ready-to-Build through construction and commissioning. Experience managing utility-scale Solar PV projects and EPC contracts required. Fluent Spanish and English essential.

Ayesa seeks a Senior Business Developer & Project Manager for transport infrastructure projects in Europe, Middle East, Asia & Africa. Responsibilities include business development, market research, bid management, and project control and management. Requires a Civil Engineering, Architecture, or similar degree and 10-15 years of experience in the engineering sector. High English level required, Portuguese and Italian are valuable.

Manages end-to-end financial governance processes including Board and ARMCom reporting, long-term financial planning, annual budgeting, and strategic ad hoc projects. Requires strong project management, communication, and collaboration skills.

Senior DevOps & Backend Engineer to build and run modern, scalable platforms on AWS. Design, build, and maintain cloud native infrastructure, develop Node.js backend services and APIs, and build CI/CD pipelines. Embed DevOps practices across teams to improve delivery speed and quality.

BizAway seeks a driven Sales Executive to manage the full sales cycle for the Swedish market. Responsibilities include prospecting, presenting solutions, leading negotiations, and forecasting sales revenue. Native Swedish and English fluency, plus 1+ year of sales experience or 2+ years as a top-performing SDR are required.

Sales Manager for a major construction equipment manufacturer. Develops and executes sales strategy across Iberia, drives new business, and oversees dealer network performance. Requires 10+ years of sales and management experience in construction equipment manufacturing, specifically Aerial Work Platforms and/or Access Equipment. Must have a broad contact base in the Spanish Rental Sector.

Technical Sales Manager to lead business development in Southern Europe for a European engineering group specializing in maritime solutions. Responsibilities include developing relationships with key stakeholders, identifying business opportunities, and serving as a technical advisor. Requires a technical background in electrical engineering, automation, or related fields, proven experience in technical sales within the marine or shipbuilding industry, and an established network within the sector.

The Product & Site Coordinator bridges product strategy and on-site execution for casino games, promotions, and content. This role manages provider relationships, coordinates launches and promotions, and optimizes product display.

The Assistant Store Manager will support the Store Manager in driving sales, enhancing customer experience, and managing the store in their absence. Responsibilities include customer service, stock management, visual merchandising, and communication with the Area Manager and HQ.

Gartner seeks an IT Program Manager to lead complex technology programs comprised of multiple projects. The role requires experience managing projects in Agile/Scrum, Waterfall, and hybrid environments. Responsibilities include managing project budgets, collaborating with stakeholders, and ensuring timely delivery of projects aligned with company strategy. The ideal candidate has 7-10 years of experience in program management with a strong understanding of IT Development and Infrastructure.

Project Director to lead execution of large-scale photovoltaic solar plants in New York, USA. Manage entire project lifecycle, ensuring technical, financial, and timely completion.

The Head of Legal will build and lead the legal function for a global technology company, focusing on intellectual property strategy, platform risk, and regulatory compliance. The role requires deep expertise in trademarks, copyright, platform enforcement, and experience operating across U.S. and European legal environments.

Electronic Engineer to join a new-generation battery startup developing sodium-ion storage systems.

Leads and develops a team of Data Operators within Helvetia Baloise Asset Management, ensuring high-quality, reliable data delivery across key domains. Oversees data management processes, acts as a central coordination point between stakeholders, and drives data-driven decision-making.

Operations & Logistics Specialist to oversee the entire supply chain, including warehousing, transportation, and inventory management. Will manage factory coordination, external warehouse partners, shipping logistics, and inventory integrity. Requires 3+ years of experience in operations and supply chain, strong problem-solving skills, and proficiency in Excel.

Lead cross-functional project teams to deliver OTT and CTV solutions for clients. Ensure projects are delivered efficiently, predictably, and to a high standard. Act as a key point of contact for both clients and internal stakeholders.