Posted 1y ago

Senior ML Engineer (NLP)

@ Smartcat
Armenia or Georgia or Portugal or Serbia
RemoteFull Time
Responsibilities:Develop benchmarks, Enhance scoring, Automate tuning
Requirements Summary:Experience with SOTA, LLM tuning and benchmarking; deploying heavy transformers and optimizing inference; full ML project lifecycle; strong Python skills.
Technical Tools Mentioned:Python, PyTorch, Transformers, Weights & Biases, Label-Studio, MongoDB, PostgreSQL, Elasticsearch, Apache Kafka, Amazon AWS, ELK, Prometheus, Grafana
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Job Description

About Smartcat

Smartcat is building the future of work, where human expertise meets digital teammates to drive 10x to 1000x productivity gains for the world’s leading enterprises.

We’re on the frontier of an entirely new category: Agentic AI. We enable enterprises to build high-performing hybrid workforces made up of both humans and AI agents. These AI agents aren’t generic copilots. They’re fully trained digital teammates that learn from your best people, your content, and your business strategy—ready to get to work from day one.

Our platform combines generative AI, human-in-the-loop workflows, and a living Enterprise Skill Graph that continuously learns and improves. Whether you're launching a product globally, onboarding new hires, translating learning content, or aligning legal teams across regions, Smartcat turns knowledge into action and action into scale.

Over 1,000 companies, including 20% of the Fortune 500, rely on Smartcat to bring their business to the world—instantly, accurately, and in every language. As a Series C company with 130% year-over-year growth, we’re scaling fast and investing in people who want to shape the future of work with us.

Join us in unlocking global potential, one human and agent team at a time.

Mission

As a Machine Learning Engineer, you will be at the forefront of advancing our platform’s translation capabilities. Leveraging your expertise in machine learning including applied research, fine tuning, benchmarking, and inference optimization, you will deliver high-performance solutions that power critical features for our growing client base.

Requirements

  • Experience with relevant SOTA, LLM tuning, and LLM benchmarking
  • Experience deploying heavy transformers and optimizing inference
  • In-depth understanding of the full lifecycle of ML projects
  • Strong Python skills

Key Responsibilities

  • Develop and improve benchmarks for translation problems
  • Enhance automatic translation quality scoring system
  • Automate fine-tuning/customization of translation engines
  • Set up infrastructure for self-hosted solutions
  • Work with NER, word alignment, and other problems

Our technologies

  • ML: Python, PyTorch, Transformers, Weights & Biases, Label-Studio
  • DB: MongoDB, PostgreSQL, Elasticsearch
  • Messaging: Apache Kafka
  • Cloud: Amazon AWS
  • Monitoring: ELK, Prometheus, Grafana

Why joining Smartcat might be your best move so far

  • Fully remote team
    We are a global team of 200+ enthusiastic people spread across 30+ countries. We have been fully remote since 2020, with some locations populated with more Smartcaters than others, such as Boston, NYC, SF, the Bay Area, London, and Lisbon.
  • Innovating a $100 Billion industry
    Smartcat’s innovative approach towards multilingual content, taps into a $100B industry. Our platform enables enterprise end users to stop using traditional outsourcing methods, and start enjoying an easy-to-use, AI-powered SaaS, that delivers immediate high-quality results, at a fraction of the cost.
  • High impact role enabling innovation and inclusion in organizations
    You will enjoy building with us. You will drive changes in how an old-fashioned global language industry operates while improving how hundreds of thousands of people work and millions of people exchange knowledge and ideas worldwide. 
  • Join the rocketship to scale-up 10x and beyond together
    We are looking for someone to become an integral part of our team and play a crucial role in the most exciting part of our journey: transitioning from a post-Series C startup to a company exceeding $100M in ARR and $1B in valuation. Our journey isn’t for the faint of heart. We are growing at 130% YoY, thanks to our strong product-market fit and high-performing team, and plan to accelerate from here. 
  • Smartcat Culture: Where Diversity Meets High Performance
    At Smartcat, we are committed to building a culture that highlights respect and appreciation for each individual's unique background and perspective, while maintaining a strong focus on results and clear, honest and direct communication. We believe in welcoming everyone and fostering an inclusive environment where team members can be their authentic selves at work. Our commitment to diversity and inclusion is steadfast, and we stand firmly against discrimination and harassment.

Forbes – America’s Best Startup Employers      BuiltIn 2025 Best Places to Work – Smartcat      Training Industry Recognizes Smartcat in 2024 Top AI in Training Companies List