We are Plexus Tech, a technology company with more than 5,000 professionals developing innovative products and services that improve the lives of people and organizations. With over 20 offices across Spain and a general presence, we support nearly 80% of IBEX35 companies. For 25 years, we have been creating technology with soul — and to continue growing, we need senior talent who bring experience, technical expertise and a strong commitment to quality

What are we looking for? a talented Senior Atoti Engineer / Technical Specialist to join a strategic Risk Analytics and Data Platform programme within a Corporate & Investment Banking environment

This role will play a key part in the design, development and optimization of analytical solutions built on Atoti (ActiveViam) and DataLake architectures. The successful candidate will work closely with Functional Analysts, Risk teams, Data Engineers and Architects to deliver scalable, high-performance analytics and reporting capabilities

Depending on experience, the role may involve technical leadership responsibilities, solution design ownership and mentoring of junior developers

Key Responsibilities

- Design, develop and maintain multidimensional cubes using Atoti / ActiveViam
- Implement measures, calculated metrics and pre-calculated analytics
- Design and maintain data models, hierarchies and aggregation structures
- Develop and maintain data ingestion, transformation and publication processes
- Implement business and calculation logic within the Atoti analytical layer
- Integrate analytical solutions with DataLake platforms and other enterprise systems
- Design and develop REST APIs and microservices supporting risk analytics solutions
- Define and optimize data processing, aggregation and calculation strategies
- Analyze and validate analytical datasets, measures and reporting outputs




- Perform data reconciliation and ensure consistency across multiple systems
- Optimize cube performance, memory usage, query execution and scalability
- Troubleshoot complex technical, data and performance issues
- Contribute to end-to-end solution design, architecture discussions and technical roadmaps
- Execute and support unit testing, integration testing, certification and release activities
- Maintain technical documentation and ensure adherence to development standards and best practices
- Collaborate with Architects, Data Engineers, Functional Analysts and business stakeholders.
- Provide technical guidance and mentoring to less experienced team members
- Support continuous improvement of Atoti and Data Platform capabilities

Mandatory Requirements

Experience

- 1+ years of software development experience
- Proven experience working with analytical and reporting platforms
- Hands-on experience developing solutions with Atoti / ActiveViam
- Experience working in data-intensive and enterprise environments

Technical Skills

- Atoti / ActiveViam
- Java
- Python
- SQL
- REST APIs
- Microservices
- Performance optimization and scalability
- Data modelling and analytical structures
- Data integration and transformation processes

Professional Skills

- Strong analytical and problem-solving capabilities
- Ability to understand complex business and technical requirements
- Experience working within multidisciplinary teams
- Strong communication and stakeholder management skills
- Ability to work autonomously and drive technical solutions

Languages





- English: B2 level

Nice to Have

- Cloud platforms (AWS, Azure or GCP)
- DataLake architectures
- Control-M
- Jira and Confluence
- Experience in Capital Markets environments
- Knowledge of Counterparty Credit Risk (CCR)
- Knowledge of XVA analytics and reporting
- Exposure to large-scale risk analytics or regulatory reporting platforms
- Solution architecture or technical leadership experience

What we offer

- The opportunity to work on innovative projects with real impact, in key sectors, using cutting‑edge technologies and collaborating with national and international clients.
- Real flexibility through our Flexology model: work from home, from our offices or wherever your talent flows best. You choose.
- Flexible compensation to optimise your salary, with tax‑advantaged benefits such as meal vouchers, transport, childcare, medical insurance and more.
- Continuous training and professional development, with access to certifications and digital learning tools like LinkedIn Learning so you never stop growing.
- A BabyFriendly environment, where we celebrate every new baby with a special kit and promote work‑life balance to advance equality.

Commitment to Equality Plexus Tech maintains a firm commitment to corporate Equality policies. All our recruitment processes ensure equal opportunities for men and women, as reflected in our Equality Plan.

We promote equal treatment and opportunities for all individuals, ensuring that no reason related to birth, race, gender, religion, opinion or any other personal or social condition leads to discrimination. We are particularly committed to fostering a diverse and inclusive environment and advancing the elimination of discrimination against LGTBI individuals, regardless of their sexual orientation, gender identity or gender expression.

📌 Senior Atoti Engineer / Technical Specialist – Risk Analytics & Data Platforms (Madrid)
🏢 Plexus Tech
📍 Madrid