Senior Data Scientist, Algorithm (Risk & Fraud) Job at Airwallex

Staff Data Scientist (Fraud, Risk)

Uber is looking for an experienced and motivated Scientist to join our Global Sa...

Location

Brazil , Sao Paulo

Salary:

Not provided

Uber

Expiration Date

Until further notice

Requirements

Senior and/or Staff seniority working as a Data Scientist, Applied Scientist, or Machine Learning Engineer
Experience building and deploying Binary Classification systems in production for large-scale, high-stakes applications (e.g., Fraud, Safety, or Risk)
Deep experience in Experimental Design beyond classical A/B testing, including Quasi-experiments (Diff-in-Diff, Synthetic Control) or Marketplace experiments (Switchbacks)
Expertise in handling Extreme Class Imbalance and optimizing models for rare event detection
Experience using Python and SQL to work with massive, high-dimensional data sets at scale
Solid foundation in Statistical Methodologies such as probability calibration, sampling, and hypothesis testing

Job Responsibility

Conduct thorough analyses of large, imbalanced datasets to identify trends, patterns, and opportunities for improving safety incident detection
Design, implement, and optimize binary classification models and algorithms to predict the probability of high-severity incidents
Generate actionable insights from risk data and communicate findings to stakeholders, balancing safety interventions with marketplace growth
Work as a thought expert for your cross-functional partners (Product, Ops, and Engineering), pushing the boundaries of how Uber defines and mitigates risk
Design complex experiments (Diff-in-Diff, Synthetic Controls) and interpret results to draw impactful conclusions in a marketplace environment where classical A/B testing is often not feasible
Define how your cross-functional team measures success by developing Safety & Risk metrics (e.g., Recall, Precision-Recall AUC, Probability Calibration) in partnership with global stakeholders
Stay current with the latest advancements in Supervised Learning, Causal Inference, and Anomaly Detection

Fulltime

Senior Risk & Fraud Data Scientist, Algorithm

As a Senior Machine Learning engineer, you will tackle challenging machine learn...

Location

Singapore , Singapore

Salary:

Not provided

Airwallex

Expiration Date

Until further notice

Requirements

At least 3+ years experienced with common ML libraries, such as scikit-learn, TensorFlow, PyTorch, Keras, etc.
Bachelor’s or above degree in Computer Science, Engineering, or a related technical field.
Proficient in coding language such as Python and SQL.
Experience in payment risk or international e-commerce risk is a plus.
Experience in applying LLMs to real-time risk management is a plus.

Job Responsibility

Analyze business requirements and translate them into machine learning problems
Work on data engineering, feature engineering, model training, and deployment
Identify issues and propose effective solutions through regular analysis
Develop machine learning platforms and tools to streamline ML workflows at Airwallex
Collaborate with cross-functional teams to apply models that solve business problems

Fulltime

Senior Data Scientist, Algorithm (Risk & Fraud)

As a Senior Machine Learning engineer, you will tackle challenging machine learn...

Location

Singapore

Salary:

Not provided

Airwallex

Expiration Date

Until further notice

Requirements

At least 3+ years experienced with common ML libraries, such as scikit-learn, TensorFlow, PyTorch, Keras, etc.
Bachelor’s or above degree in Computer Science, Engineering, or a related technical field.
Proficient in coding language such as Python and SQL.

Job Responsibility

Analyze business requirements and translate them into machine learning problems
Work on data engineering, feature engineering, model training, and deployment
Identify issues and propose effective solutions through regular analysis
Develop machine learning platforms and tools to streamline ML workflows at Airwallex
Collaborate with cross-functional teams to apply models that solve business problems

What we offer

Offers Equity
Offers Bonus
medical, dental, and vision insurance
a 401(k) plan
short-term and long-term disability
basic life insurance
well-being benefits
20 paid days of vacation
12 paid days of company holidays

Fulltime

Senior VP - Data Science & Modelling

Citi Analytics & Information Management (AIM) team is a global community that ob...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Minimum 15+ years of analytics experience in core model development using ML/AI/Gen AI techniques
Sound knowledge of model development stages and industry best practices in real time deployment with good understanding of pros and cons of different modelling techniques
Strong understanding of current state of the art ML/AI/Gen AI algorithms and Generative AI
Strong coding skill with experience in Bigdata environments
Strong knowledge of the pros, cons, and usage of various ML / DL applications (such as Keras, TensorFlow, Python Scikit, etc.)
Strong knowledge of Python, SQL, and Big Data
Bachelor’s degree in finance/engineering/quantitative Fields (Statistics, Mathematics)/MBA. Master’s degree preferred
Model execution and governance experience in any domain will be preferable
Proficient in proactive risk mitigation, manage project pipeline to ensure prioritization and required resourcing mix
At least 8 years of people management experience

Job Responsibility

Lead a team of data scientists responsible for working on various tools and technologies for successful development and implementation of Machine learning (ML) /AI/Gen AI models on different platforms
Mitigate fraud losses by designing and developing NextGen advanced intelligent AI or ML based platform
Analyze transaction data, understand fraud pattern, develop models with the objective of overall business goal of minimizing fraud losses as well as minimizing customer impact
Collaborate with model implementation team, responsible for model documentation, justifying questions from model risk management (MRM)
Lead and manage the entire modelling function within AIM Financial Crimes and Fraud Prevention Analytics, recruit staff, lead professional development and build an effective high performing team
Work as SME in the area of ML/Generative AI
Articulate complex AI and ML concepts in a clear manner to diverse audiences including business partners and peers
Stay abreast of the latest advancements, trends and research in AI and ML space
Provide technical leadership, mentorship, and guidance to a team of model developers
Ensuring 100% execution accuracy

Fulltime

New

Senior Lecturer/Associate Professor in Literacy

As a Senior Lecturer / Associate Professor in Literacy, you will play a key role...

Location

Australia , Albury-Wodonga, Bathurst, Port Macquarie, Wagga Wagga

Salary:

Not provided

Charles Sturt University

Expiration Date

June 08, 2026

Requirements

A doctoral qualification relevant to literacy or education, with a recognised teaching qualification
A strong record of high-quality teaching and student-centred learning
An established or emerging research profile aligned to literacy, curriculum or pedagogy
The ability to build productive partnerships and contribute to academic leadership

Job Responsibility

Lead impactful literacy teaching and research
Teach across online and on-campus environments
Shape future teachers and education practice
Contribute to curriculum innovation
Build strong relationships with students and partners
Provide academic leadership in literacy education
Contribute to the School's research profile
Supervise higher degree research students
Actively engage with professional, community and government stakeholders
At Associate Professor level: significant academic leadership, research impact, and contribution to the broader discipline at national/international level

What we offer

17% superannuation

Fulltime

New

Program Manager - Controls and Avionics Solutions

This position is based in Endicott, New York. New York and on-site work will be ...

Location

United States , Endicott

Salary:

120874.00 - 205486.00 USD / Year

Baesystems

Expiration Date

Until further notice

Requirements

Bachelor’s degree in engineering, engineering or manufacturing management, or other discipline
Demonstrated ability for building strong customer/ stakeholder relationships
Strong communication, negotiation, and presentation skills
Ability to interpret data and make data-driven decisions
Highly adaptable with strong initiative
Demonstrated ability to lead and motivate cross-functional teams
Knowledge of the global aviation market and regulatory requirements and/ or military aviation market

Job Responsibility

Maintaining strong customer relationships and leading a multidisciplinary team to execute complex development programs within schedule and budget
Leadership and management oversight of a project team assuring that project’s financials, schedule, and technical objectives are met and that the highest level of customer satisfaction is achieved while meeting all contractual commitments
Work effectively and collaboratively with Engineering, Operations, and all Program Office functional leadership to assure deliveries continue to exceed customer commitments and achievement of financial commitments to the company
Manages, coordinates, plans, organizes, controls, integrates, and executes projects within the Military Aircraft Systems portfolio
Participates in the support of new business and in the development of proposals

What we offer

Health insurance
Dental insurance
Vision insurance
Health savings accounts
401(k) savings plan
Disability coverage
Life and accident insurance
Employee assistance program
Legal plan
Discounts on home, auto, and pet insurance

Fulltime

New

Finance Business Partner (Research)

Full Time, Fixed Term (12 months). Level 7 - $101,421 to $110,819 p.a. (plus 17%...

Location

Australia , Wagga Wagga

Salary:

101421.00 - 110819.00 AUD / Year

Charles Sturt University

Expiration Date

June 02, 2026

Requirements

A degree in Accounting or Finance (professional accounting body membership is desirable)
Experience in project budgeting, forecasting and financial analysis
Background in management accounting or business partnering within complex environments
exposure to government funding or higher education is advantageous
Excellent stakeholder engagement skills, with the ability to work effectively with academics and researchers
Familiarity with business intelligence systems and dashboard reporting

Job Responsibility

Partner with academics to deliver strategic financial insights that enable research success
Directly influence world-class projects and decisions shaping the future of education and innovation
Lead initiatives that enhance financial governance, deliver accurate and timely reporting, and support key projects such as cost-pricing systems and research budgeting
Help build financial capability across the University, fostering collaboration and continuous improvement

What we offer

Flexibility with a 35-hour work week
Access to hybrid work arrangements
17% superannuation

Fulltime

New

Associate Lecturer/ Lecturer in Oral Health

Make a real impact by educating future oral health professionals to serve the ur...

Location

Australia , Wagga Wagga

Salary:

80046.00 - 134965.00 AUD / Year

Charles Sturt University

Expiration Date

June 16, 2026

Requirements

A qualification relevant to the discipline and appropriate to the level being applied for
Full registration (for teaching/research) as a Dentist or Oral Health Therapist with the Australian Health Practitioner Regulation Agency (Ahpra)
Excellent understanding of the clinical practice of oral health therapy, supported by a record of teaching and subject coordination relevant to the discipline and appropriate to the level being applied for
Evidence of the delivery of high quality student-centred learning and teaching in oral health therapy and/or general dentistry
A record of research activity or capability relevant to the discipline and appropriate to the level being applied for, as outlined in the position descriptions, may facilitate the progression of research opportunities

Job Responsibility

deliver high-quality teaching, clinical supervision and learning experiences in Oral Health
work with students in both clinical and preclinical settings while contributing to curriculum development, industry engagement and community partnerships

What we offer

Generous support provided to assist with relocating to Riverina’s beautiful Wagga Wagga or surrounds
17% superannuation

Fulltime

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Senior Data Scientist, Algorithm (Risk & Fraud)

Airwallex

Location:
Singapore

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 21, 2026

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Senior Data Scientist, Algorithm (Risk & Fraud)

Airwallex

Location:Singapore

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:February 21, 2026

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