Full Stack Engineer, AI Tools & Integrations

🕒 April 10

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LanguageWire

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2000

🤖 Artificial Intelligence

🤝 B2B

🏢 Enterprise

Artificial Intelligence • B2B • Enterprise

LanguageWire is a company offering a comprehensive language management ecosystem. It enables businesses to engage and communicate globally using bespoke AI technology combined with human expertise. Founded in 2000, LanguageWire simplifies multilingual content creation and management through advanced tools and services, including translation, copywriting, subtitling, and more. The company focuses on automating workflows and ensuring secure infrastructure for its clients' international communication needs.

📋 Description

• Design and build AI agent tools: Create backend services and APIs that AI agents can invoke to query data, trigger workflows, and interact with internal and external systems. • Integrate with existing services and APIs: Connect agent tooling to LanguageWire’s internal platform APIs, third-party services, and databases. • Define tool schemas and contracts: Design clear, well-documented tool interfaces (function schemas, OpenAPI specs, MCP server definitions) that LLMs and orchestration layers can reliably consume. • Build agentic features and workflows: Implement end-to-end automated workflows where AI agents solve specific business cases across departments, from operations and finance to sales and project management. • Own your services end-to-end: From architecture and coding to deployment, monitoring, and maintenance (“You build it, you run it”). • Contribute to backend services and data layers: Extend existing .NET microservices and databases to expose the capabilities needed by AI tools. • Set up and improve CI/CD pipelines to ship reliably and frequently. • Apply DevOps and Operational Excellence best practices to ensure agent tools are observable, resilient, and secure. • Share knowledge with the team and help define how we build AI-powered products.

🎯 Requirements

• Strong backend experience: C#, .NET Core / .NET 6+, ASP.NET Web API, microservices • Solid experience with relational databases (MSSQL and/or PostgreSQL), query design, schema design, performance • Proven ability to design and build REST APIs and integrate with third-party services and webhooks • Familiarity with async programming, event-driven architecture, and message queues (e.g., Azure Service Bus, RabbitMQ) • Some frontend exposure (Vue.js and/or TypeScript), enough to contribute when needed, but the focus here is backend • Practical understanding of LLM APIs (Anthropic, OpenAI, Azure OpenAI), calling them, managing context, handling responses • Familiarity with designing or consuming tool/function calling schemas, defining what an agent can invoke and how • Familiarity with MCP (Model Context Protocol) or similar agent-tool integration patterns (or eagerness to learn) • Understanding of security and authentication for exposed tool APIs (OAuth 2.0, API keys, rate limiting, input validation) • Observability mindset: logging, tracing, and monitoring tool invocations and agent interactions • A product mindset: you care about solving real business problems, not just completing tickets • Comfortable working with domain experts (non-technical stakeholders) to identify automation opportunities and translate them into technical solutions • Strong communication skills, English fluency required • Agile, collaborative, and opinionated in a constructive way • Hands-on DevOps experience: CI/CD pipelines, Docker, Kubernetes, cloud (Azure preferred) • Experience designing agentic workflows: chaining tool calls, handling state, and structuring multi-step automated processes • Familiarity with agent orchestration frameworks (e.g., LangChain, Semantic Kernel, AutoGen, or similar) • Experience with event-driven or workflow automation platforms (e.g., Azure Logic Apps, n8n, Temporal) • Knowledge of prompt chaining patterns and how to structure reliable, deterministic tool-calling behaviour in LLM pipelines

🏖️ Benefits

• Enjoy flat hierarchies, responsibility and freedom, direct feedback, and room to stand up for your own ideas • Internal development opportunities, ongoing support from your People Partner, and an inclusive and fun company culture • International company with over 300 employees. Offices in Copenhagen, Aarhus, Stockholm, Varberg, London, Leuven, Lille, Paris, Munich, Hamburg,, Sophia Antipolis, Atlanta, Finland and Valencia • For this role, we have a full-time FlexiWire@home option for remote work. Of course, you are always welcome at the office to collaborate and connect with your colleagues. • We take care of our people and initiate many social get-togethers from Friday Bars a to Summer or Christmas parties. We have fun! • Excellent location in cool and modern offices in the city center, with a great rooftop terrace and a view over the Town Hall Square • Private health insurance • Working in an international environment—more than 20 different nationalities • A dog friendly atmosphere • Big kitchen with access to organic fruits, nuts and biscuits and coffee. • Social area and game room (foosball table, darts, and board games) • Bike and car parking