Backend Engineer

Dentsu is looking for a talented Backend Engineer to join their team in Sant Cugat del Vallès, Spain. This role involves designing and implementing APIs, maintaining backend functionality, and collaborating with cross-functional teams to enhance the digital experience., * Develop and maintain API endpoints using Node.js.

• Integrate with third-party APIs to enhance functionality.
• Collaborate in cross-functional teams to achieve shared outcomes.

Conocimientos

Node.js API development SQL Team collaboration Debugging skills

Herramientas

NestJS PostgreSQL Git Docker Descripción del empleo, * Develop and maintain API endpoints and backend functionality (NestJS, Node.js)

• Build and evolve database models and migrations (Prisma or equivalent ORM)
• Integrate with third-party APIs and internal systems to enrich portal capabilities
• Write unit and integration tests to ensure code quality and system reliability
• Participate in code reviews, design sessions, and knowledge-sharing forums
• Assist with resolving production issues and improving service performance
• Collaborate in cross-functional, product-aligned teams, owning shared outcomes
• Contribute to continuous improvement, helping evolve engineering practices and team ways of working

• 2+ years of professional experience in backend development with Node.js.
• Familiarity with TypeScript or a commitment to learn it.
• Experience building and consuming REST APIs., * Strong foundation in backend development using Node.js
• Understanding of API development concepts and application architecture
• Knowledge of databases, queries, and schema management
• Debugging skills, with a structured approach to problem-solving
• Ability to collaborate effectively and demonstrate curiosity for continuous growth
• Strong written and spoken English communication skills

NICE TO HAVE Requirements

• Experience with NestJS framework and ORMs like Prisma
• Familiarity with Redis and basic caching strategies
• Frontend development using Next.js, React, TypeScript
• Experience with UI libraries (Tailwind CSS, Radix UI)
• Exposure to messaging systems (e.g., RabbitMQ, Kafka)
• Awareness of cloud and container platforms (AWS, Docker)
• Background in e-commerce or digital customer platforms
• Knowledge of observability tools (monitoring, logging, tracing)

Experience

• 2+ years professional experience in backend development
• Practical experience with Node.js in production environments
• Familiarity with TypeScript, or strong commitment to learn it
• Experience building and consuming REST APIs
• Solid understanding of SQL and relational database fundamentals (PostgreSQL preferred)
• Comfort using Git workflows for collaborative development
• Exposure to Agile principles; willingness to work in a LeSS-inspired multi-team structure

With a permanent contract and flexible working hours, the company values work-life balance. They also offer training, health insurance, and various benefits to ensure employee wellbeing., * Permanent contract.

• Flexible schedule. We make it easy. Balance your professional and personal life.
• Trainings & certifications. Improve your skills and get the official certificate from our main partners.
• Home office.
• Flexible retribution (public transport ticket, Ticket restaurant, ...).
• Health insurance.
• OMEGA in action. Our commitment to a better society is not just an intention.

Omega CRM Consulting is looking for a Backend Engineer that would like to collaborate with one of the top global pharmaceutical companies. We are seeking a Backend Engineer to join our cross-functional feature teams, working on our future Digital Portals Experience. This initiative is a key part of our journey toward product-centric, outcome-driven digital solutions, inspired by LeSS (Large Scale Scrum) principles. In this role you will primarily focus on designing and implementing APIs and integrations, contributing to a modern microservices architecture that powers a seamless customer experience. You will collaborate closely with senior engineers and other team members to deliver features while continuously learning enterprise-grade engineering patterns. As part of a growing team you will have a voice in shaping both technical foundations and the culture of collaboration within and across teams. While backend engineering is your primary focus we value T-shaped profiles. Ideal candidates can or are willing to grow toward full-stack delivery (Next.js, React, Tailwind) when needed, helping future-prove our teams and enable greater flexibility.