As an ML Platform Engineer, you will build the infrastructure and systems powering ActAI's AI capabilities. You will design and operate the AI stack, from model training to deployment and inference.
Remote from SpainNo Spanish needed
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- Work mode
- Remote from Spain
- Contract
- Full-time
- English
- Required
- Experience
- 3+ years
Visa options
The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
Requirements
What we're looking for
3+ years of iOS development experience using Swift.
Hands-on experience integrating AI-powered features into mobile apps.
Strong understanding of async/await, concurrency, and background tasks.
Solid iOS performance and memory optimization skills.
Experience shipping and maintaining production iOS apps.
Comfort designing for latency, partial failure, and non-deterministic AI behavior.
Exposure to CoreML or light on-device ML.
Familiarity with feature flags or remote configuration systems.
Strong intuition for AI UX patterns and user trust considerations.
The role
There are over 5 billion users using basic applications today such email, notes, tasks, calendar and they're not AI-native. Our mission is to build proactive applications for anyone in the world, who are not used to complex prompting. We aim to bring intelligence to conversations, errands, organising and workflows, with minimal to no prompting.
Our product focuses on achieving high reliability for long-running workflows, persistent context, and real-world task completion. We believe products will greatly reduce hallucinations.
Our objective is to organise anyone's life, allowing us all to spend time on valuable and meaningful things.
What you'll do
As an iOS Software Engineer, you own the iOS client experience, how AI feels, responds, and performs in users' hands. This is not a thin integration role. You will build a production-grade iOS application where AI interactions are central to product experience, and performance, reliability, and user trust are critical.
Focus
Build and maintain iOS applications using Swift and SwiftUI.
Integrate AI-powered features through backend APIs.
Design UX patterns for AI interactions, including loading states, streaming responses, retries, and fallbacks.
Optimize performance, memory usage, and battery efficiency.
Capture user signals and feedback to support AI evaluation and iteration.
Collaborate closely with backend and ML engineers on API design and system behavior.
Maintain high App Store quality, stability, and production reliability.
Outcomes
Stable, smooth, and reliable real-world use iOS applications.
Performance is optimized: responsive, low-latency, and efficient on memory and CPU.
Production issues are detected early, monitored effectively, and resolved with clear root-cause analysis.
Tech Stack
Swift
SPM
SwiftUI
SQL / noSQL
TensorFlow Lite (on-device inference)
Hiring process
If there appears to be a fit, we'll reach to schedule 3, but no more than 4 interviews.
Applications are evaluated by our technical team members. Interviews will be conducted via virtual meetings and/or onsite.
We value transparency and efficiency, so expect a prompt decision. If you've demonstrated the exceptional skills and mindset we're looking for, we'll extend an offer to join us. This isn't just a job offer; it's an invitation to be part of a team that's bringing AI to have practical benefits to billions globally.
About Bjak
Bjak is a leading online insurance platform in Southeast Asia, operating primarily through its flagship brand, Bjak, which allows users to compare and purchase insurance policies digitally. The company has expanded into financial services, including investment and lending products, and is now developing an AI-powered neobank. With a strong focus on technology and innovation, Bjak has grown rapidly since its founding in 2019, serving millions of users across Malaysia and other regional markets.
Bjak has established a significant presence in Spain, with a large number of open roles based there, particularly in engineering, product, and design. The company is building a diverse, remote-friendly team and is actively hiring international talent for its AI finance agent and neobank initiatives. For international professionals, Bjak offers the opportunity to work on cutting-edge AI applications in fintech, with a multicultural environment and the chance to contribute to a fast-growing startup.
- Founded
- 2019
- Employees
- 500–1,000
- Headquarters
- Kuala Lumpur, Malaysia
- In Spain
- Madrid
Good to know if you are moving
- Bjak is headquartered in Kuala Lumpur, Malaysia, but has a substantial remote-friendly culture and is actively hiring in Spain, indicating a global, distributed team.
- The company is building an AI neobank and AI finance agents, offering engineers and product professionals the chance to work on cutting-edge AI applications in fintech.
- Bjak has raised over $100 million in funding, indicating strong financial backing and growth potential.
- The company's workforce is diverse, with employees from various countries, making it a welcoming environment for international hires.
- Bjak offers competitive compensation and benefits, including equity, to attract top talent globally.
In their own words
About the company & team
The best products today in the world were built by small, world class teams. We are a high talent density and hands-on team. We make decisions collectively, move at rapid speed, striking a balance between shipping high quality work and learning. Joining our team requires the ability to bring structure, exercise judgment, and execute independently. Our goal is to put in hands of our users a truly magical product
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