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Mobile • Real Estate • Software • Database • Analytics
Lead design, development, and scaling of Perchwell's iOS app. Own major projects end-to-end, shape mobile architecture, improve reliability and performance, and collaborate with backend, product, design, and QA to deliver high-quality mobile experiences.
Top Skills:
SwiftSwift ConcurrencySwift Package ManagerSwiftuiUikitXcode
Consumer Web • Gaming • Healthtech • Kids + Family • Software • Virtual Reality • Biotech
The Director of Applications will oversee the organization's application portfolio, develop enterprise application strategies, manage integration projects, and collaborate with IT leadership to align systems with business goals.
Top Skills:
Application Programming Interfaces (Apis)Fast Healthcare Interoperability Resources (Fhir)Health Level 7 (Hl7)JSONSoapWeb ServicesXMLXml Schema Definition (Xsd)
Automotive • Professional Services • Software • Consulting • Energy • Chemical • Renewable Energy
Serve as a technical consultant and project manager evaluating products for standards compliance. Define test programs, communicate with clients, manage project scope, coordinate lab activities, prepare reports, and resolve technical or variation issues. May travel to witness or conduct testing.
US Mobile is on a mission to revolutionize connectivity. Imagine a world where you can go into a single app and buy terabytes of data for every one of your devices: phone, smart devices, car, home broadband, and more. That’s the future that US Mobile is building: a software platform built truly for the 21st century and the age of 5G and IoT, with world class engineering, best-in-class user experience, and features that will define the next generation of connectivity.
At the core of it all, we have a team and culture that has been recognized by Forbes as one of the top 500 best startup employers in the US. Our team spans diverse backgrounds, cultures, and stories, with employees coming from 20+ countries.
We're a venture-backed company entering hypergrowth, having recently ranked 94th on Inc 5000's fastest-growing private companies in America, and we’re looking for someone exceptional to join our team.
Job Description:
We’re looking for an AI/ML Engineer who will develop, optimize, and scale machine learning models that power our next generation of user experiences. Working closely with product, engineering, and design, you’ll ensure our ML tools truly address user needs—whether they’re discovering new features, troubleshooting connectivity, or receiving proactive solutions to common issues.
The role is based out of our New York office.
Key Responsibilities:
- Design & Deploy Conversational / Multi-Agent LLM Solutions
- Craft multi-agent conversational flows capable of handling a wide range of user requests—both purely informational and action-oriented.
- Employ advanced LLM techniques (prompt engineering, context retrieval, multi-step reasoning) to ensure robust, context-aware dialogues
- Multi-Modal & Multi-Model Integration
- Explore different input/output formats (e.g., text, potential voice or image-based flows) to enrich user interactions
- Evaluate different models based on their intended use case, considering both technical capabilities and cost efficiency
- Platform & Pipeline Building
- Work with cross-functional teams to design data pipelines that feed your models real-time or near real-time data
- Implement best practices around model lifecycle management—versioning, containerization, deployment orchestration, etc
- Optimization & Scale
- Ensure the chat system can handle thousands (eventually millions) of concurrent interactions, maintaining low latency and high availability
- Monitor performance, define metrics (latency, user success rate, fallback rate, etc.), and iteratively improve
- Ongoing Innovation & Experimentation
- Remain current on the rapidly evolving AI/ML landscape, especially in generative models, multi-agent orchestration, and knowledge retrieval
- Propose new ways to extend AI across our platform—e.g., advanced personalization, proactive customer engagements, etc.
Qualifications:
- Core AI/ML Expertise
- 3+ years hands-on experience building and deploying machine learning solutions at scale
- Solid understanding of NLP techniques, including transformer models and embeddings, with hands-on experience using modern tools like Hugging Face, AWS Bedrock, and OpenAI’s API
- Backend & Data Infrastructure
- Proficient in Python or a similar language for data pipelines and model development
- Experience with cloud platforms (AWS strongly preferred), containerization (Docker, Kubernetes), and microservices
- Research & Problem-Solving Mindset
- Up-to-date on AI/ML trends—especially in multi-agent systems, generative modeling, or multi-modal approaches
- Skilled at diagnosing bottlenecks, scaling solutions, and balancing innovation against real-world constraints
- Collaboration & Communication
- Comfortable presenting complex ML concepts to non-technical stakeholders
- Passion for iterative development—able to pivot based on user feedback and product metrics.
Bonus Points:
- Familiarity with vector search solutions (e.g. Pinecone, Weaviate, or Elasticsearch with vector plugins)
- Familiarity with building or deploying large language models and related tooling in the AWS Bedrock ecosystem
- Experience designing or contributing to multi-agent LLM frameworks or orchestrations (e.g., specialized agent-based approaches in advanced NLP)
Benefits:
- Competitive salary - $180k-240k (NYC based)
- Gym reimbursement
- Free cellular service on the best network in the US
- Free lunch in NYC office & fully stocked kitchen
- Metrocard reimbursement
- Flexible working hours
Think you’d be a great fit? Apply to learn more!
US Mobile New York, New York, USA Office
New York, NY, United States
What you need to know about the NYC Tech Scene
As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.
Key Facts About NYC Tech
- Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
- Key Industries: Artificial intelligence, Fintech
- Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
- Research Centers and Universities: Columbia University, New York University, Fordham University, CUNY, AI Now Institute, Flatiron Institute, C.N. Yang Institute for Theoretical Physics, NASA Space Radiation Laboratory
