Backend & Integration Engineer

Description

Summary: Join Keyrus as a Backend & Integration Engineer to design and implement scalable integrations for AI agents, collaborating internationally to transform complex systems into actionable capabilities. Highlights: 1. Work at the intersection of AI, backend systems, and enterprise integration. 2. Collaborate in a highly cross-functional, international environment. 3. Contribute to full end-to-end delivery of AI-driven solutions. **About Keyrus** ---------------- Keyrus is a global consulting and technology company focused on **making data matter — truly matter — from a human perspective**. Founded in 1996, Keyrus operates in **28\+ countries across 5 continents**, with more than **3,300 people worldwide**. Our strength comes from combining deep expertise in **Data \& Analytics, AI, Digital, and Management Consulting** with a strong understanding of business realities. Data is never the goal in itself. We use data to **shape understanding, design meaningful experiences, and enable better, real\-life decisions**. At Keyrus, we also believe companies have a responsibility beyond performance. Through our **Foundation and ESG initiatives**, we actively contribute to sustainability, inclusion, and positive societal impact. **\#OneTeamOneKeyrus** **The Role** ------------ As a **Backend \& Integration Engineer**, you will work at the intersection of AI, backend systems, and enterprise integration, enabling intelligent agents and platforms to interact with real\-world business systems reliably and at scale. You will collaborate in a highly cross\-functional, international environment, working closely with AI and Data Engineers to deliver end‑to‑end solutions that transform complex system landscapes into actionable capabilities. **Job location:** Portugal (Remote, with occasional on\-site workshops in Essen, Barcelona, or Swindon) **Contract type:** Employee **Target start date:** ASAP **Working hours:** Full\-time (40h/week) **Compensation:** €42,000 – €55,000 gross per year **Note:** All applications (CVs) must be submitted in English. **Your Impact** --------------- In this role, you will: * **Design and implement scalable integrations** (APIs, services, MCP interface**s) that expose internal and external systems as reusable skills for AI agents** * Collaborate on the development and optimisation of the **execution layer**, ensuring reliable, secure, and scalable agent\-driven actions * **Integrate the AI platform with business systems** such as GIS data sources, valuation tools, and other enterprise applications * **Build and maintain clean, well\-documented APIs and backend service**s supporting modular and reusable architectures * Ensure integrations are **robust, observable, and performant,** with appropriate monitoring and error handling * **Work closely with AI and Data Engineers** within a shared backlog, contributing to full end\-to\-end delivery rather than isolated components **What Makes This Role Challenging** ------------------------------------ * You will work in AI\-driven, data\-heavy environments with evolving requirements * You are expected to ensure reliability and scalability while moving fast * You will collaborate across disciplines, balancing backend excellence with AI enablement * You will operate with high autonomy in a distributed, international setup **What We’re Looking For** -------------------------- ### **Must\-haves** * Strong experience with **backend development and system integration**, building robust and scalable services * Proven hands\-on experience with **Azure environments**, including integration with **Databricks** * Solid background in **API and backend development**, including: + RESTful APIs + Event\-driven architectures * Strong **Python** programming skills for building services, integrations, and automation * Experience integrating **enterprise systems** using internal and external APIs * Good understanding of **distributed systems fundamentals**, including: + Asynchronous processing + Queues and messaging + Scalable architectures * Familiarity with **DevOps principles** and **Infrastructure as Code**, including **Terraform** * Strong problem\-solving skills, with the ability to debug and resolve system and integration issues efficiently * Ability to communicate clearly with technical and non\-technical stakeholders * Fluency in English ### **Nice\-to\-haves** * Experience with **MCP or similar tool/skill exposure frameworks** for AI or automation platforms * Deeper exposure to **event\-driven architectures** and integration patterns * Experience working in **data\-heavy or AI\-driven environments** * Background in **energy, utilities, or industrial systems** ### **Ways of Working \& Team Expectations** * Comfortable working in **highly collaborative, cross\-functional teams** with a shared backlog * Contribute beyond individual specialisation to ensure **end\-to\-end delivery** of AI\-driven solutions * Demonstrate a **hands\-on, proactive, and solution\-oriented mindset** * Actively support **knowledge sharing and upskilling** within the team * Able to operate effectively in **fast\-evolving environments**, with high autonomy and rapid iteration cycles **How Our Salary Ranges Work** ------------------------------ At Keyrus, salary ranges reflect **different levels of mastery and impact within the same role** — not different job titles. * **Bottom of the range** You meet the core requirements and will need ramp\-up time and support. * **Middle of the range** You are fully autonomous from Day 1 and deliver consistently. * **Top of the range** You are a reference for the role, mentor others, and raise the bar for the team. Final offers are based on **experience, autonomy, scope, and market context**, and are discussed transparently during the process. **What We Offer at Keyrus Portugal** ------------------------------------ * Competitive salary aligned with your experience and the data market * Meal allowance: **€10\.20/day** * Flexible benefits plan * Private medical insurance * **22 days of annual leave**, increasing every 3 years (up to 25 days) * Continuous learning via **KLX – Keyrus Learning Experience** * A collaborative, international, and human\-centred work environment **Why Keyrus?** --------------- Joining Keyrus means joining: * A **market leader in Data Intelligence** * A company where **people, trust, and diversity** are core values * An environment that values **ownership, flexibility, and innovation** * A place where different backgrounds and perspectives are not just welcomed \= they are essential We believe diversity drives better thinking, stronger teams, and better outcomes. Everyone belongs at Keyrus. **Equal Opportunity Statement** ------------------------------- We are committed to building an inclusive workplace and encourage applications from all backgrounds, regardless of race, ethnicity, gender identity, sexual orientation, age, disability, or any other protected characteristic.