AI Automation Engineer (FitMe)

About us:
Gismart is a value-driven mobile app developer with a strong presence in the Health & Wellness, Utilities, and Music app markets. We have recently achieved a significant milestone of over 1 billion downloads worldwide, taking a step toward our mission of cultivating the well-being of people worldwide. With headquarters in London, UK, Gismart is a dynamic global company with a reach extending across Europe and far beyond. Our determined team consists of 250 individuals who bring diversity, creativity, innovation, and relentless drive to the company. Gismart unites professionals from diverse backgrounds in entertainment, music, and tech, allowing us to play to each other’s strengths and succeed as a team.

Our mission:
Become a stepping stone on our customers’ journeys of self-improvement.

Our values:

• Deliver what matters

• Respect and support others

• Initiate and own

• Voiceopenly

• Execute with quality

If you are passionate about mobile app development and want to join a company that’s reshaping the industry, Gismart is the place for you. We provide exciting career opportunities, a supportive workplace culture, and the chance to contribute to a team that is making a tangible impact. For more information on Gismart, visit gismart.com.

About project

FitMe is a fitness app created for people who want to stay active without long, repetitive workouts. It offers short, easy-to-follow routines that can be done at home with no equipment. FitMe is perfect for busy people who want to maintain their health, boost energy levels, and feel good every day — without going to the gym or spending hours on exercise.

Key qualifications

• 1+ years of commercial JavaScript/Node.js development experience.

• Confident working with REST APIs of third-party services.

• Experience with a low-code automation platform — n8n, Make, Zapier, or similar.

• Experience with Airtable or a similar low-code database.

• Experience integrating LLMs into workflows (OpenAI, Claude, or others).

• Understanding of how to build reliable pipelines.

• Independence in the cycle of “understand the task → choose a technical approach → launch → support.”

Would be a plus

• Experience automating creative production: creative generation and variations, localization, resizes, render pipelines.

• Experience working with advertising APIs — Meta Marketing API, AppLovin, TikTok, Google Ads.

• Experience with media pipelines: ffmpeg, After Effects.

• Familiarity with AI services for generating creatives — image and video generation, dubbing and speech synthesis (HeyGen, ElevenLabs), recognition and translation.

• Understanding of user acquisition and mobile marketing metrics (CPA, ROI, LTV).

What you will do

• Develop creative generation: variations of top creatives, localization, resizes, static and video formats.

• Build parsing of competitors’ creatives to identify top performers and trends by topic.

• Work directly with UA managers, creative producers, and designers, automating their routine tasks.

• Build auto-launch functionality for campaigns on AppLovin/Meta/TikTok.

• Develop recommendation systems and automated campaign management.

• Implement AI tools for non-technical specialists so they can use them independently.

• Keep existing automations in working order: Airtable scripts, n8n workflows, integrations with Me