Full-Time

Senior Core AI Engineer

Posted on 11/30/2025

Calix

Calix

1,001-5,000 employees

Cloud platforms and services for CSPs

No salary listed

Bengaluru, Karnataka, India

Hybrid

Hybrid role; 20 on-site days per quarter in Bangalore.

Category
AI & Machine Learning (2)
,
Requirements
  • Bachelor’s or master’s degree in computer science or a related field (or equivalent work experience)
  • 5-8 years of hands-on experience in AI/ML engineering, building and deploying machine learning models in production environments
  • Proven track record in developing end-to-end AI applications across different domains, such as NLP, computer vision, or predictive modeling
  • Solid foundation on data structure and algorithms
  • Proficient in deep learning frameworks such as TensorFlow, PyTorch, or Keras
  • Proficient in Python and one other language such as Java, Go, C/C++, R, SQL
  • Experience with SQL, Pandas and exposure to various SQL and noSQL DB
  • Solid understanding of data engineering and experience working with large datasets and building ETL pipelines
  • Experience automating unit, system and production testing
  • Experience on data processing: ETL, feature engineering, data cleaning
  • Proficiency developing in Linux environments with git
  • Experience with cloud platforms (AWS, GCP, Azure) and deploying models in containerized environments using Docker and Kubernetes
  • Experience developing microservices and REST API
  • Tools: Linux, git, Jupyter, IDE, ML frameworks: Tensorflow, Pytorch, Keras, Scikit-learn, Kubeflow, MLflow
  • Excellent English communication skills (written and verbal)
Responsibilities
  • Design and develop production software components.
  • Develop efficient data ingestion, feature engineering and data pipelines at production scale.
  • Collaborate with data engineers to preprocess and manage large datasets, ensuring that data pipelines are efficient and optimized for model training.
  • Automate collection and visualization of data, model, and operational metrics.
  • Implement and manage MLOps pipelines to automate model deployment, monitoring, and maintenance. Deploy models in scalable production environments using cloud platforms like AWS, GCP, or Azure.
  • Work with cross-functional teams, including software engineers and data scientists, to design system architectures that integrate AI models into existing or new platforms.
  • Extend, harden, and scale data processing and ML components.
  • Perform data ingestion, data processing and feature engineering tasks.
  • System integration to bring AI features to other applications and platforms
  • Build and deploy microservices for AI features.
  • Operate and administration of production DB: SQL, NoSQL, Vector and Graph
  • Troubleshoot and support production pipeline.
  • Working with ops team for end-to-end deployment of data and ML pipelines.
Desired Qualifications
  • Experience with multimodal AI systems (text, image, video).
  • Knowledge of DevOps principles and CI/CD pipelines for automated testing and deployment.
  • Familiarity with natural language understanding (NLU), automatic speech recognition (ASR), and dialog systems.
  • Contributions to open-source AI projects or publications in AI/ML conferences and journals.
  • GenAI: RAG pipeline components, LLM pre-training, alignment, fine tuning, different types of LLM and their applications.

Calix provides cloud and software platforms, systems, and services for broadband service providers. Its Calix Platform, including Revenue EDGE and Intelligent Access EDGE, lets CSPs manage networks, deliver managed services, and monetize subscriber experiences; Revenue EDGE focuses on differentiated services, while Intelligent Access EDGE simplifies network architecture and operations. The approach combines cloud software, edge networking, and services in a single platform to help CSPs run smarter networks and create new revenue streams. The goal is to help communication service providers simplify operations, innovate their offerings, and grow their business across operators of all sizes.

Company Size

1,001-5,000

Company Stage

IPO

Headquarters

Petaluma, California

Founded

1999

Simplify Jobs

Simplify's Take

What believers are saying

  • SmartBiz drove 250% revenue increase per small business subscriber, validating experience-led service monetization.
  • BEAD program advisory support positions Calix to capture rural broadband funding opportunities for Tier-3 customers.
  • Agentic AI workflows targeting 40-45% product attach rates unlock higher-margin recurring software revenue.

What critics are saying

  • Nokia 50G-PON eXtend OLT directly competes with Calix's AXOS, eroding partner differentiation within 12-24 months.
  • NTIA BEAD compliance rule changes April 30 freeze $42.5B funding, slashing Tier-3 customer RPOs 30-40%.
  • Customer resistance to AI workflow attach rates risks missing 15% 2027 growth targets and covenant breaches.

What makes Calix unique

  • Calix One AI-native platform completed migration March 2026, enabling agentic workflows unavailable from competitors.
  • 50G-PON technology with AXOS E7-2 line card scales capacity without network rebuilds for existing customers.
  • End-to-end platform spans network operations through home Wi-Fi, differentiating from point solutions.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Remote Work Options

Performance Bonus

Growth & Insights and Company News

Headcount

6 month growth

1%

1 year growth

1%

2 year growth

1%
Yahoo Finance
Apr 7th, 2026
Keysight Technologies surges 23% as AI infrastructure testing drives record $1.65B orders

The AI investment landscape is entering a second phase focused on infrastructure testing and validation, away from the chip-focused first phase dominated by Nvidia. This shift is creating opportunities in less visible sectors. Keysight Technologies reported record fiscal Q1 2026 results with revenue of $1.6 billion, up 23% year-over-year, and orders of $1.65 billion. For the first time, wireline revenue exceeded wireless revenue, driven by demand for 800G and 1.6T optical transceiver validation needed for AI data centres. The company's software and services now represent 40% of revenue, with recurring revenue at 29%. Management projects full-year fiscal 2026 revenue growth above 20%. Despite an 80% gain over 52 weeks and a 23% post-earnings surge, the stock trades roughly 10% below analyst consensus targets at approximately $290 per share.

Yahoo Finance
Mar 19th, 2026
How broader SmartMDU adoption at Calix has changed its investment story

Calix has announced that regional service providers Blue Stream Fiber, XMission and Aervivo are expanding use of its Calix One platform and SmartMDU managed Wi-Fi across multi-dwelling unit properties in multiple US states. The expansion includes new Wi-Fi 7 hardware and QR code self-activation. The company projects $1.3 billion revenue and $195.4 million earnings by 2028, requiring 13.4% yearly revenue growth. Approximately one-third of customers are already on the unified platform, with full transition expected by March 2026. The SmartMDU expansion supports Calix's shift from broadband hardware sales to a software and services platform. However, the key risk remains whether customers will adopt AI-driven workflows and pay higher per-subscriber fees, with cautious analysts projecting more modest growth through 2029.

Yahoo Finance
Mar 18th, 2026
Calix launches AI-native platform and private cloud option to boost margins through software

Calix has launched Calix One, an AI-native platform designed to enable personalised experiences for service providers, marking a strategic shift towards software-led customer experience over hardware sales. The company is positioning itself to capture higher recurring revenue through AI-driven software and subscriber experience tools. The company has partnered with Google Cloud to support private-cloud deployments, addressing sovereign and enterprise requirements. This expansion removes adoption barriers for larger operators and government-sensitive deployments whilst broadening Calix's addressable market. Management expects Tier 1 opportunities to begin contributing in late 2026, with material impact in 2027. These software-only deals could drive margin expansion, though sales cycles run 18 to 24 months. Investors will watch for customer uptake evidence and competitive response to validate the platform shift.

Yahoo Finance
Mar 18th, 2026
Calix eyes $1.5B BEAD opportunity as Gen3 platform and agentic AI drive revenue to $1B

Calix has raised $120 million in Series C funding at a $1.45 billion valuation, led by Ribbit Capital with participation from Sequoia, Kleiner Perkins and new backer Emerson Collective. The pre-revenue AI startup, co-founded by Robinhood CEO Vlad Tenev, has now raised $295 million across three rounds in 14 months. The company is developing "Mathematical Superintelligence", eliminating AI hallucinations by requiring outputs in verifiable Lean4 programming code. Its Aristotle model achieved top performance at the International Mathematical Olympiad in July alongside Google and OpenAI. Harmonic currently offers Aristotle via free API to mathematicians and researchers, with plans to commercialise in safety-critical sectors including aerospace, automotive and finance where reliability is paramount.

Yahoo Finance
Mar 10th, 2026
Blue Stream Fiber, XMission, and Aervivo scale MDU deployments with Calix SmartMDU platform

Calix has announced that Blue Stream Fiber, XMission and Aervivo are using its SmartMDU platform to expand into the multi-dwelling unit market, which accounts for over one-third of US housing. The service providers are deploying managed Wi-Fi across affordable, luxury and mixed-use properties. SmartMDU, launched in October 2024, recently added Wi-Fi 7 systems and resident self-serve activation via in-unit QR codes, enabling immediate connection at move-in. The platform integrates with Calix One to deliver scalable, secure connectivity. Blue Stream Fiber, an early adopter, plans to add over 15 properties in 2026 and has achieved a 4.9 out of 5 satisfaction rating. Service providers report near-perfect satisfaction scores and faster time to revenue using the standardised deployment model.

INACTIVE