Software Engineer

ph3Overview /h3 /brpExpleo is a trusted partner for your innovation journey. As a global engineering, technology and consulting service provider, we are ideally positioned to help you achieve your ambitions and future-proof your business. With a smart blend of bold thinking and reliable execution, we’re able to fast-track innovation through each step of your value chain.
We are strategically positioned to build value, with a global footprint across 30 countries.
We are as global and local as you need us to be, with strong best-in-class pan-European technological centers and unique best-shoring capabilities.
We leverage a network of high value-adding affiliates in consulting and industrial excellence, and leading partners across multiple sectors to provide you with the most comprehensive services and solutions in an ever-changing environment. /p /brh3Responsibilities /h3 /brul /brliDesign and implement AI-powered applications using LLMs, RAG, and agentic workflow patterns. /li /brliBuild backend services, APIs, and integrations needed for AI-centric applications. /li /brliDesign and improve retrieval pipelines, including chunking, embeddings, vector search, hybrid search, metadata filtering, and reranking. /li /brliWork with LLM APIs and AI orchestration frameworks to build reliable workflows. /li /brliImplement evaluation, testing, monitoring, and observability for AI applications. /li /brliHelp define safe and practical patterns for tool use, human-in-the-loop approval, and agentic behavior. /li /brliCollaborate with other engineers and product/business stakeholders. /li /brliSupport model and framework selection based on quality, cost, latency, maintainability, and security. /li /brliHelp troubleshoot issues such as hallucinations, poor retrieval quality, high latency, cost inefficiency, and unreliable outputs. /li /br /ul /brh3Qualifications /h3 /brul /brliYou are able to speak, read and write fluently English and French or Dutch. /li /brliMinimum 5 years of experience as Software Engineer, preferably in backend or full-stack development. /li /brliMinimum 1 to 2 years of experience integrating LLMs or other generative AI services into software applications. /li /brliPractical knowledge of RAG, embeddings, vector search, and retrieval quality improvement. /li /brliStrong programming skills in Python. /li /brliExperience with MCP, A2A, tool calling, or multi-agent workflows. /li /brliExperience designing maintainable services with proper testing, logging, CI/CD, and deployment practices. /li /brliUnderstanding of AI application evaluation, including test datasets, quality metrics, regression testing, and user feedback. /li /brliGood understanding of cloud-native application development. /li /brliSecurity-conscious mindset when working with internal or sensitive data. /li /brliAbility to communicate technical trade-offs clearly and pragmatically. /li /brliAbility to distinguish when AI, RAG, or agents are useful and when a simpler deterministic solution is better. /li /brliNice to Have /li /brliExperience with AI frameworks such as LangGraph, LangChain, Semantic Kernel. /li /brliExperience with observability or evaluation tools. /li /brliFamiliarity with Azure cloud environment. /li /brliExperience with Microsoft AI ecosystem tools such as Semantic Kernel, Microsoft /li /brliAgent Framework, Microsoft Foundry, or Microsoft 365 Agents SDK. /li /brliExperience with .
NET / C#. /li /brliExperience with vector databases or enterprise search platforms. /li /brliExperience working in regulated, security-sensitive, or enterprise environments. /li /br /ul /brh3Benefits /h3 /brpAt Expleo, we are committed to providing a competitive salary and substantial benefits offering with unique wellbeing, financial and employee recognition programs. /p /brpWe pride ourselves on our diverse and inclusive culture and offer a variety of family-friendly policies and enhanced leave to help you achieve a healthy work life balance. /p /brpBy providing significant learning and development opportunities, we encourage individual growth and success throughout your career with us. /p /brul /brliCollaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges /li /brliWe empower all passionate technology-loving professionals by allowing them to expand their skills and take part in inspiring projects /li /brliExpleo Academy
- enables you to acquire and develop the right skills by delivering a suite of accredited training courses /li /brliEnjoy a comprehensive benefits package, including hospitalization and outpatient insurance, a pension and group insurance plan, employee wellbeing initiatives, sports and social events, gifts for special occasions, and much more /li /brliEnjoy meal and eco vouchers to support your daily needs and sustainable purchases /li /brliReceive monthly representation fees to support work-related expenses /li /brli32 vacation days (20 + 12 for a 40-hour we