Senior Generative AI Software Engineer

Apertera (formerly Alexa Translations); Toronto; On-site; CAD 120,000 - 180,000; Full time

Job summary

Apertera is seeking a Senior Generative AI Engineer to lead the development of our next-generation translation engine using GenAI and LLMs. You will join an R&D team reporting to the VP of AI Innovation, prototyping state-of-the-art algorithms and applying GenAI to translation tasks.

You will stay at the cutting edge of AI, collaborating with stakeholders to design roadmaps and deliver innovative GenAI solutions for high-stakes content translation.

Qualifications

• Advanced degree required or equivalent experience in CS/Data Science/Engineering.
• Hands-on experience with GenAI models and LLMs in production.
• Strong programming and software engineering practices.

Responsibilities

• Research and implement state-of-the-art LLM techniques including continued pre-training, supervised fine-tuning, reinforcement learning from human or AI feedback (PPO, DPO, GRPO, etc.), and LLM deployment.
• Work closely with our expert advisor to strategize, plan, and design technical roadmaps and features of GenAI products.
• Develop prototypes of GenAI and LLM application to translation use cases.
• Drive technological innovations by staying current to GenAI and LLM advancements from industry and academia.
• Stay updated with the latest research trends in generative AI and contribute to the AI research community.
• Work with DevOps, software engineers, designers, and PMs to align technical solutions with business needs.
• Communicate technical strategies effectively across teams and manage stakeholder expectations.

Skills

GenAI development

LLM applications

Python

ML/DL

PPO/DPO

Git

HuggingFace APIs

Amazon Bedrock

PyTorch

TensorFlow

AWS

GCP

Azure

Education

Master in Computer Science / Data Science

PhD preferred

Tools

HuggingFace

Bedrock

Job description

Apertera is leading the evolution of language solutions for high-stakes content. We partner with enterprises as an extension of their teams, combining professional expertise with Adaptive AI technology that is continuously refined by client context.

For more than twenty years, Apertera has set the bar for legal, financial, and regulatory translation, serving the most rigorous buyers, including over 75% of major national Canadian law firms, all major banks, and leading securities regulators.
Apertera is Canadian-owned, ISO 17100 and SOC 2 certified.

Our core values:

• Dedication
• Fanatical commitment to quality and service

About Apertera

Apertera is leading the evolution of language solutions for high-stakes content. We partner with enterprises as an extension of their teams, combining professional expertise with Adaptive AI technology that is continuously refined by client context.

For more than twenty years, Apertera has set the bar for legal, financial, and regulatory translation, serving the most rigorous buyers, including over 75% of major national Canadian law firms, all major banks, and leading securities regulators.
Apertera is Canadian-owned, ISO 17100 and SOC 2 certified.

Our core values:

• Innovation
• Dedication
• Fanatical commitment to quality and service
• Resourcefulness
• Collaboration

About the Role

We are looking for a Senior Generative AI Engineer to develop our next-generation intelligent translation and translation-related service engine, using Generative AI (GenAI) and Large Language Model (LLM) technologies. You will be working in an R&D Team which reports to the VP of AI Innovation with the objective to develop and implement state-of-the-art algorithms by fast prototyping. We expect our Senior Generative AI Engineer to stay current with the technological cutting edge and drive the application of LLM and GenAI to translation, as well as having solid background and hands-on experience with deep learning, machine learning, natural language processing, and big data. You'll play a pivotal role in pushing the boundaries of applying GenAI to translation scenarios and create innovative solutions.

Responsibilities

• Research and implement state-of-the-art LLM techniques including continued pre-training, supervised fine-tuning, reinforcement learning from human or AI feedback (PPO, DPO, GRPO, etc.), and LLM deployment.
• Work closely with our expert advisor to strategize, plan, and design technical roadmaps and features of GenAI products.
• Develop prototypes of GenAI and LLM application to translation use cases.
• Drive technological innovations by staying current to the cutting-edge achievements of GenAI and LLM from industry and academia.
• Stay updated with the latest advancements and research trends in generative AI, attending conferences, workshops, and seminars, and actively contributing to the AI research community through publications and presentations
• Work closely with DevOps Engineers, software engineers, designers, and product managers to understand project requirements, align on technical solutions, and deliver high-quality generative AI solutions that meet business objectives and user needs.
• Communicate technical strategies effectively across teams and manage stakeholder expectations.

Requirements

• Master in Computer Science, Data Science, Statistics, or Engineering. PhD or equivalent experience is preferred.
• 3+ years of industry experience developing GenAI and LLM applications.
• Working knowledge and project-based record of all of the following: context engineering, RAG, SFT.
• Working knowledge and project-based record of at least one of the following: continued pre-training, PPO/DPO/GRPO, Agentic systems (including harness engineering, MCP server, etc.).
• Proficiency in programming languages such as Python, with experience in software development and version control systems (e.g., "Git").
• Hands-on experience with Huggingface APIs or Amazon Bedrock. Experience with both is preferred.
• Expert skills of PyTorch, TensorFlow, Pandas, etc.
• Experience with cloud platforms like AWS, GCP, or Azure
• Excellent problem-solving skills, critical thinking, and the ability to work independently and collaboratively in a fast-paced environment.
• Strong communication skills, with the ability to articulate complex technical concepts effectively and work cross-functionally with diverse teams.
• Self-driven, self-motivated with excellent time management skills
• Excellent organizational, communication, and interpersonal skills
• Ability to adapt to shifting priorities without compromising deadlines and momentum.