Senior Machine Learning Engineer

Speechmatics; London; Hybrid; GBP 80,000 - 120,000; Full time

Job summary

Speechmatics, a leader in Speech Intelligence, is hiring a Senior Machine Learning Engineer to enhance their groundbreaking Voice AI technology. The role includes collaborating on innovative projects, mentoring peers, and advancing the company's goal to 'Understand Every Voice'. With a hybrid work model and a commitment to professional development, this position offers a dynamic work environment for driven individuals.

Benefits

Flexible work arrangements

Private medical and dental insurance

Generous holidays

Pension matching

Equipment allowances

Qualifications

• Experience with ML trends and R&D agendas.
• Ability to mentor team members.
• Knowledge of optimization strategies for inference.

Responsibilities

• Collaborate with engineers to achieve ambitious goals.
• Execute high-impact projects for team success.
• Mentor and support team members.

Skills

Attention to detail

Collaboration

Familiarity with modern ML stack

Technical writing

Education

Experience in R&D

Publications in top-tier conferences

Tools

Transformer architectures

Distributed training techniques

Dynamic batching

Flash attention optimization

Job description

We are hiring a Senior Machine Learning Engineer to contribute to cutting-edge Research & Development. As pioneers in speech technology, our mission is to Understand Every Voice—a vision that has propelled us to be at the bleeding edge of Voice AI, including STT, TTS, and Flow; our new Conversational AI platform. Fuelled by innovation, inclusivity, and a passion for making a global impact through world-leading Speech AI, we're looking for an experienced Machine Learning Engineer to accelerate our efforts towards exceptional Voice AI.

Our Modelling Team trains diverse models, including large self-supervised ones, supporting Speechmatics to be the most accurate speech recognition system globally. It also ensures their deployment into production, working with the latest in ML and engineering best practices for model serving.

What you’ll be doing:

• Collaborate with engineers across Speechmatics to achieve ambitious goals.
• Stay current with the latest developments in Machine Learning.
• Execute high-impact projects to ensure team success.
• Mentor team members and work collaboratively across departments.

Who we are looking for:

• Experience in pursuing ambitious R&D agendas collaboratively.
• Attention to detail with awareness of the big picture and ML trends.
• Understanding of the modern ML stack, including:
  - Transformer architectures (e.g., GQA, KV-caching).
  - Distributed training techniques.
  - Optimization strategies for inference (e.g., dynamic batching, flash attention).
• Preferred backgrounds include:
  - Publications in top-tier conferences.
  - Contributions to open-source repositories.
  - Technical writing skills demonstrated through publications or blogs.

We encourage you to apply even if you do not meet all requirements. The list is indicative, not exhaustive. We look forward to hearing from you.

Who we are:

Speechmatics is a leader in Speech Intelligence, using AI and ML to unlock business value in human speech worldwide. We work with global companies, integrating our technology into diverse stacks, making us the go-to solution for extracting information from speech.

Joining us means working with top minds on cutting-edge projects, deploying the latest techniques to disrupt the market. We prioritize people development and offer a balanced work environment with Focus Fridays and team meetings on Tuesdays.

Our hybrid model includes 2-3 office days weekly, maintaining in-person connection while embracing remote work.

This is just the beginning; we seek talented individuals to continue our journey.

What we can offer you:

Support at all career stages, from internships to senior roles, with training and development opportunities. We offer flexible work arrangements, social activities, private medical and dental insurance, global opportunities, generous holidays, pension/401K matching, and equipment allowances. Our parental leave policies support families worldwide.

Our mission:

Understand Every Voice. We value diversity, believing every voice adds to our innovation and workplace quality. We foster an inclusive environment where everyone is respected and valued.

Legal & Additional Info:

We rely on legitimate interest under GDPR for processing personal data for recruitment purposes.

#LI-Hybrid

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