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CallstackCA

Senior AI System Engineer

Callstack is a software development consultancy specializing in React and React Native, offering expertise in cross-platform application development and contributing significantly to the open-source community.

Callstack

Employee count: 51-200

Poland only

Callstack is a fast-growing AI company focused on developing cloud-based AI solutions for enterprises. They emphasize innovative collaboration and provide opportunities to contribute to their open-source community and advance their own careers. They prioritize their core values of innovation and company culture.

Requirements

  • Proven track record in designing and shipping production AI systems (LLMs, NLP, computer vision, or multi-modal)
  • 10+ years of Software Engineering experience
  • Bachelor's Degree, Master's Degree, or Ph. D in Computer Science, Data Science, or related field
  • Fluent in Python and comfortable with TypeScript
  • Skilled at vector search & RAG pipelines and embedding selection
  • Understanding of AI governance, security, and MLOps
  • Data-driven approach and performance benchmarking
  • Open-source mindset and contributions

Benefits

  • Paid time off
  • Paid sick leave
  • Life insurance
  • Healthcare
  • Mental health platform
  • Multisport Card
  • Wellbeing & Development Budget
  • Lunch allowance
  • Financial planning assistance
  • Flexible working hours
  • Remote work
  • Company events
  • Team building workshops
  • Hardware

About the job

Apply before

Posted on

Job type

Full Time

Experience level

Senior

Location requirements

Hiring timezones

Poland +/- 0 hours

About Callstack

Learn more about Callstack and their company culture.

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At Callstack, we understand that in today's fast-paced digital world, our customers are challenged with building high-performing applications that work seamlessly across multiple platforms. Many businesses struggle to deliver a consistent user experience on iOS, Android, and the web without duplicating effort and increasing costs. This is precisely why we've dedicated ourselves to mastering the React and React Native ecosystems. Since our inception in 2016, just months after React Native was open-sourced, we've been at the forefront of cross-platform development, helping our clients overcome these hurdles. Our customers face the constant pressure to innovate and ship products faster, and our team of expert developers, who are core contributors to React Native, provides the specialized knowledge needed to accelerate their development lifecycle. We empower our clients to scale with confidence, whether they are large enterprises or ambitious startups.

Our approach is deeply rooted in the open-source community, which means our clients benefit from the latest advancements and best practices in the industry. We don't just follow the standards; we help set them. This commitment to innovation allows us to offer transformative solutions, from product development and enterprise solutions to team upskilling and consulting. We've seen firsthand how businesses can get bogged down by technical debt and inefficient processes. That's why we offer services to optimize product performance, upgrade tech stacks, and enhance development efficiency. For our customers, this translates into more stable, scalable, and future-proof applications. By partnering with us, companies can streamline their development, reduce time-to-market, and ultimately deliver superior digital products that delight their end-users. Our goal is to be more than just a service provider; we aim to be a trusted partner in our clients' success, helping them navigate the complexities of modern software development and achieve their business objectives.

Employee benefits

Learn about the employee benefits and perks provided at Callstack.

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Apple devices

Provision of Apple devices for work.

Paid time off

24 paid days off for B2B contractors.

Paid sick leave

30 days of paid sick leave for B2B contractors.

Life insurance

The company provides fully-covered life insurance.

View Callstack's employee benefits
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Callstack

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Callstack hiring Senior AI System Engineer • Remote (Work from Home) | Himalayas