

Senior Machine Learning Engineer
📍 Location: Remote
💼 Type: Full-Time
💰 Salary: $800 - $1,000 USD / month
Apply at: https://forms.gle/Fwti67UeTEkx2Kkn6
About Us
At Momenta, we're committed to creating a safer digital world by protecting individuals and businesses from voice-based fraud and scams. Through innovative AI technology and community collaboration, we're building a future where communication is secure and trustworthy.
Position Overview
We’re hiring a Senior Machine Learning Engineer with deep expertise in audio signal processing and neural network-based detection. The selected engineer will be responsible for delivering a production-grade, real-time deepfake detection pipeline as part of a time-sensitive, high-stakes 3-month pilot deployment.
Key Responsibilities
📌 Design and Deliver Core Detection Pipeline
Lead the development of a robust, modular deepfake detection pipeline capable of ingesting, processing, and classifying real-time audio streams with high accuracy and low latency. Architect the system to operate under telecom-grade conditions with configurable interfaces and scalable deployment strategies.
📌 Model Strategy, Development, and Optimization
Own the experimentation and refinement of state-of-the-art deep learning models for voice fraud detection. Evaluate multiple model families, benchmark performance across datasets, and strategically select or ensemble models that balance precision, robustness, and compute efficiency for real-world deployment.
📌 Latency-Conscious Production Readiness
Ensure the entire detection stack meets strict performance targets, including sub-20ms inference latency. Apply industry best practices in model compression, preprocessing optimization, and system-level integration to support high-throughput inference on both CPU and GPU environments.
📌 Evaluation Framework and Continuous Testing
Design and implement a comprehensive evaluation suite to validate model accuracy, false positive rates, and environmental robustness. Conduct rigorous testing across domains, including cross-corpus validation, telephony channel effects, adversarial scenarios, and environmental noise conditions.
📌 Deployment Engineering and API Integration
Deliver a fully containerized, production-ready inference service with REST/gRPC endpoints. Build CI/CD pipelines, integration tests, and monitoring hooks to ensure system integrity, traceability, and ease of deployment across environments.
Required Skills & Qualifications
🎯 Technical Skills:
ML Frameworks: PyTorch, TensorFlow, ONNX, OpenVINO, TorchScript
Audio Libraries: Librosa, Torchaudio, FFmpeg
Model Development: CNNs, Transformers, Wav2Vec/WavLM, AASIST, RawNet
Signal Processing: VAD, noise reduction, band-pass filtering, codec simulation
Optimization: Quantization, pruning, GPU acceleration
DevOps: Git, Docker, CI/CD, FastAPI or Flask, REST/gRPC
🎯 Preferred Experience:
Prior work on audio deepfake detection or telephony speech processing
Experience with real-time ML model deployment
Understanding of adversarial robustness and domain adaptation
Familiarity with call center environments or telecom-grade constraints
Compensation & Career Path:
Competitive pay based on experience and capability. ($800 - $1,000 USD / month)
Full-time with potential for conversion to a core team role.
Opportunity to lead future research and production deployments as part of our AI division.
Why Join Momenta?
Solve a global security crisis with cutting-edge AI.
Own a deliverable that will ship into production at scale.
Join a fast-growing team with seasoned founders and engineers.
Fully remote, high-autonomy environment focused on deep work.
🚀 Apply now and help shape the future of voice security

About Momenta
About
At Momenta, we're committed to creating a safer digital world by protecting individuals and businesses from voice-based fraud and scams. Through innovative AI technology and community collaboration, we're building a future where communication is secure and trustworthy.
Candid answers by the company
At Momenta, we're committed to creating a safer digital world by protecting individuals and businesses from voice-based fraud and scams. Through innovative AI technology and community collaboration, we're building a future where communication is secure and trustworthy.
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Our Mission
Mercari is a Japan-based company with the mission of “create value in a global marketplace where anyone can buy & sell.” Having continuously worked toward this goal since our founding in 2013, we are now transforming from a startup into a global player. While this transformation brings its own specific set of challenges, we believe that solving them one after another will allow us to fully achieve our mission. Are you interested in working together to take on these exciting challenges?
Our Culture
To achieve our mission at Mercari, our organization and each of our employees share the same values and perspectives. Our individual guidelines for action are defined by our three values: Go Bold, All for One, and Be a Pro. Our organization is also shaped by our four foundations: Sustainability, Diversity & Inclusion, Trust & Openness, and Well-being for Performance. Regardless of how big Mercari gets, the culture will remain essential to achieving our mission and something we want to preserve throughout our organization. We invite you to read the “Mercari Culture Doc,” which summarizes the behaviors and mindset shared by Mercari and its employees. We continue to build an environment where all of our members of diverse backgrounds are accepted and recognized, and where they can thrive while holding dear to Mercari’s culture.
Work Responsibilities
- Native Android app development for Mercari and group companies' apps
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- Development language: Kotlin
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- Good communication and interpersonal skills with the ability to collaborate with multiple stakeholders
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- Experience using and installing Jetpack functions such as Android Architecture Components
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- OSS contribution experience/familiarity with the OSS community
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About hoichoi:
hoichoi is an on-demand video streaming entertainment platform for Bengalis worldwide. With an array of exciting Content choices including Bengali Classics, Blockbusters, Documentaries, Short Films and Exclusive original web series we aim to be home to the best in Bengali entertainment.
Hoichoi is the digital vertical of SVF Entertainment - a leading Media and Entertainment company in East India, with 5 National Awards to its credit and capabilities in Film and TV Production, Cinemas, Distribution, Digital Cinema, Music and New Media.
As we take on the next level of growth, we are on the lookout for passionate and talented people to join our team, committed to redefining online entertainment for Bengalis globally.
Overview:
Being a “customer first” company, the Customer Support division is critical to Hoichoi. This team comprises of enthusiastic, passionate, fun-loving and highly communicative individuals who continuously work towards ensuring a great experience for Hoichoi users at all times.
This is a high commitment role and you will fit right in if you believe in delivering the best service experience and are passionate about Bengali entertainment.
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· Answer user communication/queries via emails, live chats and calls
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· 2+ years’ experience in customer service specializing in Inbound/Outbound support, ideally from an internet start-up/e-commerce background
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- Translating designs and style guides provided by the Design team into functional user interfaces, ensuring cross browser compatibility and performance.
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Location: Goregaon east, Mumbai
Requirement:
We are looking for a skilled Developer with 2+ years of experience in mobile application development for iOS.
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- Work closely with the core team to come up with new features and implementing them
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- Integrate REST services into mobile applications and familiar with App localization technique
The ideal candidate must possess the following skills:
Functional: Swift, Objective-C, Xcode, Networking, Data Structures, GIT & JIRA, GCD, Core Data, OOPS, Design Patterns
Mandatory: Passionate about sports, Problem-solving, Team player, Target & Result oriented
Additionally, the candidate must demonstrate good communication skills and a solid understanding of cricket and football (among other sports).

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- Knowledge of key channels and platforms, with experience in areas of mobile, portable, dedicated, web, or native mobile design.
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- A dazzling online portfolio demonstrating your strong craft and collaborative process.
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- Prepare Offer letter, Letter of intent, Process payroll, Exit interview, Induction, PF & ESI, Account related activities.
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