Codeway is a global consumer tech company with more than 400M users worldwide. Since 2020, we’ve built and scaled 60+ mobile apps across creativity, productivity, wellness, language learning, and entertainment. In 2024, we became the most downloaded app publisher on iOS, driven by cutting‑edge AI research, sharp data‑driven execution, and a relentless focus on product and marketing.

Recognized as a #1 LinkedIn Top Startup and a Great Place to Work in Europe, Codeway is where ambitious people do their life’s best work. We’re building the next generation of consumer tech and reimagining what mobile apps can be. Wishlabs is the parent company of Codeway, building consumer generative‑AI mobile apps used by millions worldwide.

We’re looking for an Applied AI Engineer to join our team in Barcelona. This is a hands‑on, product‑focused AI engineering role for someone who can explore ambiguous product and business areas, identify where AI and agents can create real impact, and build those solutions end to end. Build agent harnesses, tool integrations, context flows, and custom scaffolding where needed.

Connect agents to tools, data, internal systems, and workflows using MCP or similar integration patterns. Build usable interfaces and prototypes, particularly using TypeScript/Next.js. Create repeatable evaluation systems to measure quality, reliability, cost, latency, safety, and regressions over time.

Think carefully about safety when agents interact with real tools, data, triggers, and internal systems. Python for AI and agent work; TypeScript/Next.js for interfaces.

Claude

Code / Agent SDK, Codex CLI, OpenClaw, Hermes Agent, and custom scaffolding. MCP for connecting agents to tools, data, and internal systems. Vector and memory layers such as Mem0, Zep, or similar when the use case requires it. Strong experience building and shipping end‑to‑end software products, internal tools, or AI‑powered systems.

Strong

Python skills for AI, backend,



or agentic workflows.

Experience with TypeScript and frontend/product engineering, ideally with Next.js or similar.

Experience building or contributing to evaluation systems for AI products, including test sets, graders/evaluators, LLM‑as‑judge, tracing, or regression tracking. English fluency.

Experience with MCP or similar tool/data integration protocols.

Experience with memory or retrieval systems such as vector databases, Mem0, Zep, or similar. Basic knowledge of Docker and relational databases such as MySQL. Turkish language skills. To keep you away from all the trouble, we provide unlimited private health insurance and cover the HPV vaccine.

We cover the primary healthcare expenses, parasite vaccinations, and microchip costs that may arise within the first year after employees adopt a pet. It’s up to you to always be responsible with your work, no matter where you are or what schedule you’re keeping.

English Course

Support. Be more general and perform best at your work. A Top‑Notch Office. Yes, you’ve heard it right: We love coffee so much that we’ve built our own coffee shop inside our office, where we also provide healthy snacks at all hours.

Gaming

Area. Whenever you need to take a break from hard work and relax with your favorite games, our PS5 corner will be waiting for you.

Software

Support. Subscription to any software you might need to perform at your best. A final interview with one of our senior leaders. # Your personal data that will be collected through your applications made due to this advertisement will be processed automatically by the data controller Codeway in accordance with the Personal Data Protection Law No.

You can access detailed information on this matter from the Candidate Information Notice page at Codeway processes the personal data of job applicants in accordance with relevant legislation. “Privacy Notice for Employee Candidate” summarizes the data processing procedures during the application process. #

📌 Application Engineer - Internship H/F (Barcelona)
🏢 Cv-Library
📍 Barcelona