AI/ML Software Engineer

Company: AISpire360 Role: Senior Voice AI Engineer (Independent Contractor, Full-Time Engagement) Location: Remote (India-based preferred; must overlap 4–6 hours daily with London + US Eastern) Engagement: Full-time independent contractor — long-term Compensation: Competitive, paid in USD, monthly. Senior staff-level rates.

About AISpire360

We are building the operating system for medical practices in the US. Our flagship product is ARIA, an AI receptionist that handles inbound and outbound calls, intake, scheduling, eligibility, prior authorization workflows, and after-hours coverage for medical practices. We are in active production deployment with our first practice — a spine surgery practice at the Hospital for Special Surgery in New York. Multiple specialty practices are in our deployment pipeline.

The platform is built to be specialty-agnostic. The voice agent stack is the universal foundation. Knowledge layers (spine surgery, primary care, behavioral health, dermatology, cardiology, pediatrics, etc.) plug in as configuration. One platform, many specialties.

We are venture-backed, founder-led, and shipping. The technical decisions you make here will be in production within weeks.

What You'll Own

You are the technical anchor for the voice agent. You will be responsible for:

Real-time voice system

• Voice agent stack on ElevenLabs Conversational AI (and evaluation of Retell, Vapi, LiveKit alternatives as we scale)
• STT and TTS configuration, voice tuning, language and accent handling
• Turn-taking, barge-in, end-of-speech detection, latency budgets
• Driving end-to-end voice latency below 700ms (we currently target 600ms)
• Quality vs. cost tradeoffs across voice tier selection (Premium / Turbo / Standard)
• Silence-detection optimization for outbound calls (95% silence-discount realization)

HIPAA + PHI infrastructure

• BAA-compliant hosting architecture (AWS-based, BAA in place)
• PHI detection and redaction pipeline (AWS Comprehend Medical + custom pre-filters)
• Encryption in transit and at rest, audit logging, 7-year retention compliance
• Access controls, RBAC, kill-switch infrastructure
• HIPAA Security Rule compliance for technical safeguards

Agent orchestration and tools

• LLM integration (GPT-4o, Claude Sonnet, with model routing for cost optimization)
• Tool calling for scheduling, eligibility checks, prior auth lookups, calendar booking, task creation
• Multi-turn conversation state management
• Multi-topic call handling and structured task generation
• Safety-critical keyword detection and escalation routing

Integrations

• EHR integration (Epic, Athena, eClinicalWorks — at least one in V1)
• Insurance eligibility APIs (Availity, Change Healthcare, payer-specific)
• Calendar integration (Google Calendar, Microsoft 365, Cal.com)
• SMS and email gateways (Twilio, SendGrid)
• Practice-specific webhooks for task manager surfacing

Multi-tenant platform foundations

• Per-practice configuration loading (specialty profile + practice profile)
• Per-tenant isolation, data segregation
• Specialty-specific intake schemas, triage rules, safety keywords
• Production observability (tracing, metrics, latency monitoring per practice)

Required Experience

You should be able to demonstrate, in a live walkthrough with code in hand, that you have shipped production voice AI systems. Specifically:

• 3+ years of production voice/conversational AI experience. Not chatbots — actual real-time voice agents handling live phone calls. ElevenLabs, Retell, Vapi, LiveKit, OpenAI Realtime, Deepgram, or equivalent.
• Deep familiarity with at least 2 of: ElevenLabs Conversational AI, Retell AI, Vapi, LiveKit Agents, OpenAI Realtime API. Production deployment experience required, not demo experience.
• HIPAA and PHI handling experience in production. Not theoretical. You have signed BAAs, deployed in HIPAA-compliant environments, and built PHI redaction pipelines.
• AWS infrastructure expertise. Specifically: ECS or Fargate, Lambda, S3 with encryption, KMS, CloudWatch, IAM, VPC, BAA-eligible service selection.
• AWS Comprehend Medical or equivalent PHI detection experience.
• Twilio or equivalent telephony provider experience. SIP trunking, inbound/outbound call flows, recording and transcription pipelines.
• Latency optimization in real-time systems. You have hit sub-700ms voice latency in production and can explain the trade-offs you made.
• LLM production experience. GPT-4o, Claude, or equivalent. Prompt engineering, tool calling, structured outputs, model routing for cost.
• Python or TypeScript fluency. Production code, not scripts.
• API integration experience. REST, webhooks, OAuth, async patterns. Bonus if you've integrated with EHRs (Epic FHIR, Athena, eClinicalWorks).

Nice to Have

• Healthcare domain experience (EHRs, clinical workflows, medical terminology)
• Prior auth or eligibility verification workflow experience
• Multi-tenant SaaS architecture experience
• SOC 2 audit experience
• Experience with knowledge graphs (PostgreSQL + pgvector, Neo4j, or similar)
• Open-source contributions to LangChain, LiveKit, Pipecat, or similar voice/agent frameworks
• Demonstrated ability to ship to production fast (not perfectionism — pragmatic engineering)

What This Engagement Looks Like

• Independent contractor. You invoice us monthly. We pay in USD via wire transfer or Wise.
• Full-time engagement. This is your primary work. We expect ~40 hours/week of focused output.
• Long-term. We are not looking for a 3-month engagement. Expect this to run 12+ months.
• You sign a BAA with us. This is non-negotiable due to the nature of the work.
• You are eligible for future equity grants as we formalize the team structure.
• Direct working relationship with our CTO (London-based) and founders (NYC and India).
• Time-zone overlap required: at least 4–6 hours of daily overlap with both London and US Eastern. Indian Standard Time evenings (6 PM IST onward) work well.

How We'll Evaluate You

Our hiring process is fast and substantive. No take-homes. No multi-round bureaucracy.

1. Initial screen (30 min): Background, what you've shipped, compensation expectations, BAA-readiness.
2. Technical deep-dive (90 min): Walk us through a production voice AI system you've shipped. Code in hand. Architecture diagrams. Real production numbers — latency, cost per call, scale. We will ask follow-up questions about specific decisions you made.
3. System design (90 min, live): We give you a design problem — a HIPAA-compliant voice agent for a medical specialty we don't yet support. You design end-to-end on a whiteboard / Excalidraw. We probe trade-offs.
4. Founders + CTO conversation (60 min): Mutual fit. You ask us hard questions. We answer honestly.

Total: 4–5 hours of your time. We'll move from first conversation to offer in 7–10 days for the right candidate.

What We Will NOT Accept

• Take-home assignments produced by other AI tools. We will ask you to walk through code live; if you can't explain decisions you didn't make, the interview ends.
• Resume claims you can't substantiate. We verify employment via EPFO/UAN where applicable.
• "I've done LLM chatbots" experience without production voice agent experience. They are not the same skill.
• Engagement structures that conflict with this being your primary work.

How to Apply

Send a brief message with:

1. A link to a production voice AI system you've shipped (or, if NDA'd, a description of the architecture and your specific contribution).
2. Two or three sentences on why this role fits you specifically — not a generic cover letter.
3. Your current compensation expectation in USD per month.
4. Your earliest start date and current time-zone availability.

We read every message. We respond within 5 business days, including with "no" answers. We don't ghost.

About the Role:

We are looking for an experienced Senior MERN Stack Developer to join our growing engineering team. You will be responsible for designing, developing, and maintaining high-performance web applications using the MongoDB, Express.js, React.js, and Node.js technology stack. You should be passionate about writing clean, scalable code and mentoring junior developers.

Key Responsibilities:

• Design and implement scalable, secure, and maintainable full-stack web applications using the MERN stack.
• Develop RESTful APIs and integrate third-party services and databases.
• Write reusable, testable, and efficient code.
• Optimize applications for maximum speed and scalability.
• Lead code reviews and enforce best practices in design and development.
• Collaborate with UI/UX designers, product managers, and other stakeholders to understand business requirements.
• Ensure cross-platform optimization and responsiveness of applications.
• Mentor and guide junior developers, fostering a culture of continuous learning.
• Troubleshoot and debug production issues.
• Maintain documentation of software functionality and technical decisions.

Required Skills:

• Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
• Deep understanding of React.js and state management libraries like Redux or Context API.
• Hands-on experience with Node.js and Express.js.
• Strong knowledge of MongoDB and Mongoose ORM.
• Experience in building and consuming RESTful APIs.
• Familiarity with Git, CI/CD pipelines, Docker, and Cloud Platforms (AWS/GCP/Azure).
• Good understanding of microservices, authentication mechanisms (OAuth, JWT), and role-based access control.
• Experience with unit testing and testing frameworks like Jest, Mocha, or Cypress.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration abilities.

Preferred Qualifications:

• Bachelor’s/Master’s degree in Computer Science or related field.
• Experience with GraphQL or WebSockets.
• Exposure to DevOps practices and tools (e.g., Jenkins, Kubernetes).
• Previous experience in Agile/Scrum environments.

What We Offer:

• Competitive salary and performance-based bonuses
• Flexible working hours and remote work options
• Opportunities for upskilling and certifications
• Collaborative and inclusive team culture
• Health insurance and wellness benefits

Mission

Own architecture across web + backend, ship reliably, and establish patterns the team can scale on.

Responsibilities

• Lead system architecture for Next.js (web) and FastAPI (backend); own code quality, reviews, and release cadence.
• Build and maintain the web app (marketing, auth, dashboard) and a shared TS SDK (@revilo/contracts, @revilo/sdk).
• Integrate Stripe, Maps, analytics; enforce accessibility and performance baselines.
• Define CI/CD (GitHub Actions), containerization (Docker), env/promotions (staging → prod).
• Partner with Mobile and AI engineers on API/tool schemas and developer experience.

Requirements

• 6–10+ years; expert TypeScript, strong Python.
• Next.js (App Router), TanStack Query, shadcn/ui; FastAPI, Postgres, pydantic/SQLModel.
• Auth (OTP/JWT/OAuth), payments, caching, pagination, API versioning.
• Practical CI/CD and observability (logs/metrics/traces).

Nice-to-haves

• OpenAPI typegen (Zod), feature flags, background jobs/queues, Vercel/EAS.

Key Outcomes (ongoing)

• Stable architecture with typed contracts; <2% crash/error on web, p95 API latency in budget, reliable weekly releases.

Key Responsibilities:

• Develop and maintain scalable Python applications for AI/ML projects.
• Design, train, and evaluate machine learning models for classification, regression, NLP, computer vision, or recommendation systems.
• Collaborate with data scientists, ML engineers, and software developers to integrate models into production systems.
• Optimize model performance and ensure low-latency inference in real-time environments.
• Work with large datasets to perform data cleaning, feature engineering, and data transformation.
• Stay current with new developments in machine learning frameworks and Python libraries.
• Write clean, testable, and efficient code following best practices.
• Develop RESTful APIs and deploy ML models via cloud or container-based solutions (e.g., AWS, Docker, Kubernetes).

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Thirega@ vysystems dot com - WhatsApp - 91Five0033Five2Three

JD:

- 12 + Yrs of total experience along with knowledge and hands-on experience in MERN (Mongo db, Express js, React js and Node js) stack.

- Experience to unblocking and helping technical teams.

- Experience in application architecture design and development

- Expertise in designing scalable applications.

- Experience in working on deployments, cloud infra and CI/CD.

- Full stack development experience 

- Hands on experience in MERN stack.

We are seeking a person to join our tech team, with proficiency in programming languages likeJavaScript, decent understanding of NodeJS and React.js and an abiity to understand business requirements and to translate it into technical requirements.You’ll work closely with top school graduates, ex-McKinsey,BCG, Deloitte, EY, Byju’s, Paytm employees to establish, nurture, and grow business across categories & territories. This is an amazing opportunity to learn from an extraordinary team, grow massively and to help students around the globe build an awesome career for themselves.

What you will do:

• Developing new user-facing features using ReactJS as frontend and NodeJS as backend
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high quality code
• Optimizing components for maximum performance acrossa vast array of web-capable devices and browsers
• Writing test cases for automated testing
• Deployment of micro services to AWS
• Defining and Architecting a proper structure to any new micro services being added
• Managing and updating already build micro services

What you will need:

• Strong proficiency in JavaScript, including DOM manipulationand the JavaScript object model
• Thorough understanding of React.js and its core principles
• Thorough understanding of NodeJS, Express and itscore principles
• Experience with popular React.js workflows Redux,Saga, Axios
• Experience with popular NodeJS packages like Knex
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Experience with building optimised SQL queries and stored procedures
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelinesand tools
• Experience with common front-end development tools such as Babel, Webpack,NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools such as GIT

What you will get:

• Industry-best perks
• A phenomenal work environment, with massive ownershipand growth opportunities
• A bunch of super young & enthusiastic colleagues in Tech/Marketing/PR/Editorial/SocialMedia & Events!
• Quick iterations and deployments – fail-fast attitude
• Opportunity to work on cutting edge technologies, and lead teams in the future
• Access to a world-class mentorship network
• Create a massive, and direct impact of the work you do in the lives of people across the globe

About the Company: At Leverage Edu, we are democratizing access to global opportunities for students everywhere. By helping students make the right career choices withthe aid of information and pathways that they can trust, we are opening doors to opportunities they could not access without the right guidance and support. Making sense of the complex web of courses,colleges, careers, and geographies is a tough task – by leveraging technology but connecting with students at a personal level we help them maximize their potential. To build towards this goal we are looking for people with the ambition and hustle to make the world a smaller place and get people closer to their dream opportunities. We are building at a break-neck speed in one of the fastest-growing industries inthe world and the opportunities for growth are limitless.

What we build is what identifies us. We work with the best companies in the world to build the most innovative and robust technologies.

In order to continue our accelerated growth, we are waiting for an innovative engineer to become available instead of hiring the first available engineer who is waiting to become innovative. This listing is for an Application Engineer, Fullstack for our team.

Who we are – 

Being in the industry for over 12 years, Raw Engineering is trusted by the world’s leading companies across a variety of industries, including IT, Finance, Sports & Entertainment, and Retail. We collaborate with our clients and hence highlighted as their strategic partner. From an engagement’s initial planning stages, through launch and continuing through future road mapping, we are in lockstep with our partners business goals, technology vision and end-customer needs.

Our vision is to collaborate to achieve perfection, and we value positivity, learning, ownership, excellence and believe in building trust and care. Feel free to read more about us athttps://www.raweng.com/"> https://www.raweng.com/

• Work across the stack from a code commit to running it in production, with the end goal of delivering the best possible experience for the user
• Design, develop and test features from inception to rollout
• Write high quality code that is scalable, testable, maintainable and reliable
• Collaborate with people across roles to understand the domain and work towards building the right solution
• Adopt an open mindset for learning new things and working in new roles
• Continuously improve by working on and providing feedback
• Work as part of a team developing web applications and services using Agile development methods.
• Contribute to team and organizational improvements in process and infrastructure.
• Build customer-facing UI and back-end services.
• Effectively use tools and ingenuity to identify and fix defects before they become a problem.
• Integration of user-facing elements developed by front-end developers with server-side logic.

Mandatory skills:

• Experience in Full Stack development using MongoDB, ExpressJS, ReactJS and Node.JS
• Proficient understanding of code versioning tools, such as Git
• Good understanding of various design patterns
• Experience in RESTful architecture
• Knowledge of the most trending and upcoming technological landscape
• Excellence in verbal and written communication skills
• Team player
• Agility and adaptability

Preferred skills:

• Experience in TDD/BDD
• Knowledge of cloud applications/platform and web technologies
• Knowledge of Web servers, especially nginx
• Experience with one or more SQL database
• Knowledge about build tools like Webpack, Gulp and Grunt.
• Understanding of CI/CD

What we offer – 

Our growth is enabled and accelerated by our culture, which encourages individual development, embraces an inclusive environment, rewards innovative excellence and supports our communities.

• Interesting Work: This is the “challenge yourself” kind of workplace where you constantly learn something new and never stop growing
• Competitive Compensation: We reward your high performance. Rewards are higher when you work smart and efficient without dropping a sweat.
• Great place to work: With spontaneous office happy hours and team events, we don’t think you’ll ever be bored. A majority of our workforce are young, energetic and passionate individuals who are driven by technology, and fuelled by the fun at the workplace. 
• People: You have a team that will trust you and work together to achieve excellence. As a team, we believe in looking after each other’s back. We are ONE team ONE dream and act as such.
• Culture: Open culture where everyone is approachable with minimal hierarchy.
• Medical Benefits: Mediclaim coverage for the employee and their dependents (spouse and children). Group Accidental Policy covering permanent disability, total disability and death. 

Job type – Full time employment

Job location – Virar - Mumbai, Maharashtra, Remote

Work schedule – Monday to Friday, 10am to 7pm

Minimum qualification – Graduate

Year of experience –  3 - 8 Years

Travel opportunities - On need basis within/outside India. Candidate should have valid passport

There is so much more that we can talk about this role and the workplace. If you are passionate about your career as we are.

After receiving your application, we will assess your profile and reach out to you if it aligns to the job description for this role. You will also be assigned to one of our recruiting specialists who can answer questions you might have about the process, role, or company, and help you throughout the interview process.

Disclaimer: Raw Engineering strongly believes in Equal Employment Opportunity.

We look forward to meeting you! 

People Team

Senior Full Stack Python Engineer at Silicon Valley AI company

What we are looking for?

• At least 3 years of experience of development on full-stack applications
• Experience with usage of NoSQL databases like MongoDB
• Familiarity with SQL and RDBMS Systems
• Experience in creating applications with NodeJS and MERN stack
• Experience with developing frontend interfaces using React framework
• Experience in creating responsive frontend applications
• Able to use versioning systems like Github or Gitlab
• Understanding of basic tools provided by AWS and their configuration
• Understanding of Unix bases operating systems, ability to configure them for optimum usage
• Experience in basic command-line utilities and shell scripting language
• Understanding of rest API implementation
• Ability to script quickly with Python for writing ad hoc jobs

What you will be working on?

• Leading a team of engineers
• Working on creating performant and fault-tolerant systems which are scalable
• Design, build and maintain high performance, reusable, and reliable Typescript code
• Effectively work with product to gather requirements, gain a deep understanding of use cases and business needs, and translate into design and implementation.
• Maintain code integrity and organization.
• Manage basic DevOps related to CI/CD
• Creating secure systems
• Lead other junior developers
• Define optimal and minimal architecture to achieve product requirements