In-Demand Senior software engineer core platforms Jobs in Parramatta, Nsw

Senior Applied Scientist
NinjaTech AI —Sydney NSW
- Full-time
- Doctoral degree
- Computer Science
- Research
Senior Databricks Specialist Lead | AI & Data | Sydney
Deloitte —Sydney NSW
- Azure
- Salesforce
- SQL
- Parental leave
Deployed Product Manager, Health Systems
Heidi —Sydney NSW
- $170,000 - $220,000 a year
- Full-time
- Hybrid work
- Bachelor's degree
- EMR systems
- AI
- Work from home
- Parental leave
Senior IT Engineer, LRC
Airwallex —Sydney NSW
- Full-time
- Computer Science
- Salesforce
- AWS
Senior Software Engineer - .NET Full Stack
Commonwealth Bank —Sydney NSW
- Full-time
- DevOps
- AWS
- APIs
Senior DevOps Engineer
Propeller —Sydney NSW
- Full-time
- Hybrid work
- AWS
- AI
- Parental leave
Quick Apply
Engineering Manager
Karbon —Sydney NSW
- Management
- Computer Science
- No degree
- Annual leave
- Parental leave
Quick Apply
Software Development Engineer, AWS Networks
Amazon Support Services Pty Ltd —Sydney NSW
- Full-time
- Computer Science
- AWS
- Bachelor's degree
Senior Software Engineer
MongoDB —Sydney NSW
- On call
- Hybrid work
- Computer science
- Azure
- Doctoral degree
- Parental leave
2d
Principal Software Engineer – Backend Platforms & Service Domains
Commonwealth Bank —Sydney NSW
- Full-time
- AWS
- APIs
- AI
Senior Software Engineer, Yield
Airwallex —Sydney NSW
- Full-time
- Computer Science
- Salesforce
- AWS
Senior Guidewire Software Engineer
Cognizant —Sydney NSW
- $100,000 a year
- Full-time
- Hybrid work
- Master's degree
- AWS
- Bachelor's degree
5d
Senior Security Engineer, Enterprise Infrastructure Protection
Google —Sydney NSW
- Full-time
- Computer Science
- Bachelor's degree
- No degree
Senior Product Data Engineer
Gridsight —Sydney NSW
- Full-time
- Hybrid work
- AWS
Quick Apply
Lead Engineer
Corto Pty Ltd —Sydney NSW
- Full-time
- Hybrid work
- Management
- Systems design
- APIs
- Gym membership
Quick Apply
3d
Systems & Cloud Engineer
Francom —Sydney NSW
- Full-time
- Azure
- Management
- Scripting
Principal Engineer - Payments
Macquarie Group Limited —Sydney NSW
- Full-time
- Hybrid work
- AWS
- AI
- Leadership
- Annual leave
- Work from home
Principal Data Platforms Engineer
Simple Machines —Sydney NSW
- Hybrid work
- SQL
- AWS
Quick Apply
Senior Sales Engineer
Fastly —Sydney NSW
- Sales
- Scripting
- APIs
Quick Apply
Cloud Engineer
Macquarie Group Limited —Sydney NSW
- Full-time
- Hybrid work
- DevOps
- AWS
- Analysis skills
- Annual leave
- Work from home

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Senior Applied Scientist

NinjaTech AI
Sydney NSW

Apply Now

Job Details

Full-time

Qualifications

Law
Doctoral degree
Computer Science
Deployment
Data structures
Research
Master's degree
Analysis skills
Machine learning
Deep learning
Natural language processing
AI
Software architecture

Full Job Description

Come build the intelligence behind autonomous AI employees.

At NinjaTech AI, we’re building AI systems that do more than answer questions. Our agents plan, reason, use tools, operate computers, collaborate with humans, and execute complex work over long periods of time. As a Senior Applied Scientist, you’ll help push the capabilities of these systems forward through applied research in reinforcement learning, LLM training, model optimization, natural language systems, and multimodal AI.

This is a highly hands-on role for someone who wants to take cutting-edge research and make it work at production scale. You’ll work closely with our Chief Science Officer, engineering and product leaders, ML engineers, and software developers, with significant ownership over the models and systems that power Ninja.

What You’ll Own

Research, prototype, train, evaluate, and deploy advanced ML and LLM systems, with a particular focus on reinforcement learning and agentic AI.
Develop and apply state-of-the-art RL techniques, including RLHF and related approaches, to improve model reasoning, reliability, accuracy, and task performance.
Design large-scale training and evaluation datasets, including synthetic data generation, statistical modeling, and data-mining techniques.
Train, fine-tune, distill, quantize, and optimize large language models for production environments.
Build high-performance multi-GPU training and inference pipelines using modern acceleration and mixed-precision techniques.
Develop rigorous evaluation frameworks and experimentation systems to measure model quality, behavior, and performance.
Design and run experiments, including A/B tests, to validate model and product improvements.
Build robust, scalable production ML systems and write high-quality code primarily in Python and Rust.
Optimize algorithms and systems for latency, throughput, memory efficiency, and cost.
Advance NinjaTech’s natural-language and speech capabilities, including NLU/NLG, automatic speech recognition, TTS, and STT.
Translate novel academic research into practical capabilities that can be shipped to users.
Continuously evaluate emerging research, models, and techniques and determine where they can meaningfully improve Ninja’s AI systems.

What We’re Looking For

Master’s degree or PhD in Computer Science, Machine Learning, Applied Mathematics, Statistics, Engineering, or a related quantitative field.
Significant experience building end-to-end machine learning or deep learning systems, from data and experimentation through training and production deployment.
Deep understanding of machine learning, deep learning, probability, statistics, optimization, and algorithms.
Strong experience with reinforcement learning methods such as PPO, actor-critic methods, RLHF, or related approaches.
Hands-on experience training, fine-tuning, evaluating, and deploying transformer-based language models.
Strong proficiency in Python; experience with Rust is highly valued.
Deep experience with PyTorch and modern ML tooling and libraries.
Experience with distributed and multi-GPU training, mixed precision, model distillation, quantization, ONNX, and inference optimization.
Experience in one or more of the following areas: natural language understanding, natural language generation, information retrieval, question answering, knowledge extraction, text classification, or speech/audio processing.
Strong understanding of software architecture, data structures, algorithms, database systems, and runtime/performance analysis.
Ability to move comfortably between research and engineering, from exploring a new technique in a paper to shipping a reliable production implementation.
Strong analytical instincts and the ability to independently investigate ambiguous problems, form hypotheses, run experiments, and make evidence-based decisions.

At NinjaTech AI, you won’t be optimizing a small component of a mature system. You’ll help shape the core intelligence of an autonomous AI platform and turn advances in AI research into capabilities used by real customers.

Apply Now

Refine Your Search

senior software engineer core platforms jobs in parramatta, nsw

Senior Applied Scientist

Senior Databricks Specialist Lead | AI & Data | Sydney

Deployed Product Manager, Health Systems

Senior IT Engineer, LRC

Senior Software Engineer - .NET Full Stack

Senior DevOps Engineer

Engineering Manager

Software Development Engineer, AWS Networks

Senior Software Engineer

Principal Software Engineer – Backend Platforms & Service Domains

Senior Software Engineer, Yield

Senior Guidewire Software Engineer

Senior Security Engineer, Enterprise Infrastructure Protection

Senior Product Data Engineer

Lead Engineer

Systems & Cloud Engineer

Principal Engineer - Payments

Principal Data Platforms Engineer

Senior Sales Engineer

Cloud Engineer

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