---
title: 'Senior Tech Lead, 4G/5G stack L2, with AI/ML expertise - SW DEV at Parallel Wireless'
canonical: 'https://feeny.ai/job/senior-tech-lead-4g-5g-stack-l2-with-ai-ml-expertise-sw-dev-parallel-wireless-mv566dg74803'
type: 'job'
last_seen: '2026-10-14'
---

# Senior Tech Lead, 4G/5G stack L2, with AI/ML expertise - SW DEV at Parallel Wireless

- **Company:** Parallel Wireless
- **Location:** Bengaluru, India
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-07-21
- **Last confirmed live:** 2026-10-14
- **Apply:** https://jobs.lever.co/parallelwireless/6c60e083-03aa-4aa4-b1c4-5c864bc2732e

## Job description

Parallel Wireless is a U.S.-based pioneer in Open RAN innovation, transforming how mobile networks are built, optimized, and powered. Through our GreenRAN™ portfolio, we enable operators to deliver next-generation connectivity with unmatched energy efficiency, automation, and flexibility.

## Qualifications & required skills-

- Understanding of end-to-end solutions for 4G/5G network architecture.
- Familiar with 3GPP RAN and O-RAN specifications and functionality.
- Development experience on Cellular Radio products complying with 3GPP specifications for E-UTRA (LTE) and NR.
- Familiar with communication interfaces: Ethernet / TCP/IP / UDP.
- Good knowledge of RAN protocols and interfaces:
- LTE/5G AS protocol layers — PHY, MAC, RLC, PDCP, RRC.
- Expert-level proficiency in the MAC and RLC layers is required
- Knowledge of AI/ML concepts and their application to RAN (e.g., network optimization, ML frameworks); hands-on experience applying AI/ML in a telecom/RAN context is a strong plus.
- Excellent log analysis and debugging skills.
- Must be strong in C/C++ programming and Linux OS.
- Hands-on experience debugging in a Linux environment with tools like GDB, QXDM, TM500, QCAT, etc.
- 8 - 10 years of work experience.

Good to Have / Advantageous

- Experience with Git.
- Knowledge of the O-RAN E3 interface and dApp development.

## Key responsibilities -

- You will be responsible for the full development process of L2/L3 embedded protocol stack including design, coding, unit testing, debugging, and integration.
- As a stack SW developer, you will develop new features/environment for Parallel Wireless future products and debug existing solutions which are used by our customers around the world.

## About Parallel Wireless

## Company Overview
- **One-liner**: Parallel Wireless is a privately held, U.S.-based pioneer in Open RAN telecommunications, providing cloud-native, software-defined mobile network infrastructure from 2G through 5G to operators worldwide.
- **Entity Type**: Private (Privately Held; multiple funding rounds including Seed, Debt Financing, Convertible Note, and Series A)
- **Headquarters**: Nashua, New Hampshire, United States (300 Innovative Way, Suite #2310, Nashua, NH 03062)
- **Founded**: 2012
- **Founders**: Steve Papa (Founder & CEO)

## Core Business
- **Primary industry**: Telecommunications / Open RAN (Radio Access Network) infrastructure
- **Target customers**: Mobile Network Operators (MNOs) globally — including MTN, Etisalat, BT EE, Tigo, and Axiata Group — with engagements across six continents and 50+ global MNOs
- **Mission**: "To deliver innovative products that unlock value and disrupt the economics of wireless networks through intelligence and openness."
- **Vision**: "To reimagine the wireless network so all people can be connected whenever, wherever, and however they choose."

## Products & Services
- **GreenRAN™ Portfolio**: The company's flagship product line, combining energy-efficient hardware, hardware-agnostic software, and cloud-first automation to reduce power consumption, lower total cost of ownership (TCO), and accelerate sustainable 5G deployment. Includes fully automated outdoor and indoor coverage/capacity solutions that are software-upgradable to 5G.
- **ALL G O-RAN Software Platform**: A cloud-native, open, secure, and intelligent RAN architecture supporting 5G/4G/3G/2G interoperability, designed to reduce network complexity and deployment costs. Fully compliant and interoperable OpenRAN architecture, built from the ground up to be software-defined.
- **Network Automation & Services**: Professional services and network engineering support (deployment, integration, validation) delivered alongside the RAN platform, including AI/ML-driven integration and validation capabilities.

## Market Standing
- **Valuation/Market Cap**: Not disclosed (private company)
- **Key Metric**: Annual Revenue of approximately $51M (per LinkedIn company data); Total Funding of approximately $10.6M across multiple rounds
- **Notable Funding Rounds**:
  - Seed Round (2014): 1 investor
  - Debt Financing (Feb 2016): $8.8M, 1 investor
  - Convertible Note (Mar 2016): $1.8M, 1 investor
  - Series A (2018): 1 investor
- **Notable Investors/Partners/Customers**: MTN, Etisalat, BT EE, Tigo, Axiata Group (operator collaborations); engaged with 50+ global MNOs
- **Recognition**: 74+ industry awards
- **Growth Signals**: Headcount of 630 employees, up +16.5% YoY (+117 people); workforce distributed across 17 countries including Israel, India, United States, United Kingdom, South Korea, Tanzania, Turkey, Nigeria, and Kenya; LinkedIn followers of 89,561 (+39.8% yearly growth); open roles across sales, engineering (4G/5G stack), and AI-driven integration/validation

## Competitive Advantages
- **Open RAN Pioneer**: One of the earliest and most prominent companies in the Open RAN movement, with a track record across six continents and a mature, deployed footprint with major MNOs.
- **Software-Defined, Hardware-Agnostic Architecture**: The ALL G O-RAN platform reduces vendor lock-in and allows operators to use any hardware, differentiating on software intelligence and automation rather than proprietary hardware.
- **Energy Efficiency & Sustainability**: GreenRAN™ portfolio positions the company at the intersection of 5G expansion and energy-cost reduction — a pressing operator priority.
- **Full Generational Coverage**: Unique ability to evolve networks from 2G/3G/4G to 5G via software upgrades, lowering customer TCO and simplifying migration paths.
- **Global Engineering Footprint**: Distributed R&D across Israel (largest hub, 243 employees) and India (230 employees), enabling cost-effective, around-the-clock development capacity.

## Strategic Focus
- **Expanding Open RAN adoption**: Driving the industry shift from viewing Open RAN as a finished standard to a foundation for continuous, software-driven innovation.
- **AI/ML integration**: Hiring for AI-driven integration and validation engineers and AI/ML-expert tech leads in 4G/5G stack development, signaling a push to embed intelligence into the RAN.
- **Sustainable 5G expansion**: Emphasizing energy-efficient RAN deployments to help operators meet sustainability goals while lowering TCO.
- **Global commercial growth**: Active sales hiring across Africa, Southeast Asia, and the Pacific region (Fiji, New Zealand), indicating expansion into emerging and high-growth mobile markets.

## Why Work Here
- **Pioneering, mission-driven work**: Employees have the opportunity to help "disrupt, challenge, and lead the future of telecommunications" within the global Open RAN movement, developing products from 2G to 5G and beyond.
- **Global, distributed culture**: Workforce spans 17 countries, with major hubs in Israel, India, the US, and the UK — offering a genuinely international work environment and a global mobility program.
- **Flexible/remote working**: The company explicitly supports flexible and remote working arrangements, plus paid time off to rest and recharge, and time off to give back to the community.
- **Career growth and development**: Rapid career growth opportunities, tailored individual development plans delivered regionally, and a "Servant Leadership" philosophy where leadership is vested in employee success.
- **Recognition and rewards**: Spot Awards for celebrating wins; competitive total rewards package with long-term wealth creation opportunities described as "unmatched in the industry."
- **Engineering culture**: Heavily technical organization (~55% of employees in technical roles), with challenging assignments, collaborative teamwork, and an emphasis on innovation, openness, andamos customer success.
- **⚠️ Glassdoor/LinkedIn review caution**: Employer rating is 3.5/5.0 based on 240 reviews, with Work-Life Balance 3.2, Compensation 3.3, Culture 3.2, and Career Development 3.0 — candidate should evaluate these areas carefully during interviews.
- **Open roles (sample)**: Director of Solution Sales Engineering (Pacific), Principal Systems Engineer (RF Communications & Sensing), Account Manager OpenRAN (Africa), Junior Engineer RT 5G Stack, Sr. Engineer RT 5G Stack, 5G/LTE Network Engineer I, Sales Director / Customer Executive (Southeast Asia, Pacific) — see the Lever careers page for the full list.

## Sources
1. [parallelwireless.com — Who We Are](https://www.parallelwireless.com/company/who-we-are/)
2. [parallelwireless.com — Careers](https://www.parallelwireless.com/careers/)
3. [jobs.lever.co — Parallel Wireless Open Positions](https://jobs.lever.co/parallelwireless)
4. [linkedin.com — Parallel Wireless Company Profile](https://linkedin.com/company/parallel-wireless-inc)
5. [cbinsights.com — Parallel Wireless Company Profile](https://www.cbinsights.com/company/parallel-wireless)

## Other roles at Parallel Wireless

- [Product Line Manager](https://feeny.ai/job/product-line-manager-parallel-wireless-kfar-saba-2wg5enw2xrgn) — Kfar Saba, Israel
- [Validation Engineer](https://feeny.ai/job/validation-engineer-parallel-wireless-kinneret-f95rpb3j81me) — Kinneret
- [Technical Manager - Regression Team](https://feeny.ai/job/technical-manager-regression-team-parallel-wireless-kinneret-sk4fwz6ss3jt) — Kinneret
- [Senior Validation Engineer](https://feeny.ai/job/senior-validation-engineer-parallel-wireless-kinneret-ywdar6g1fjpg) — Kinneret
- [Senior Validation Engineer : 2G/4G/5G Radio Products](https://feeny.ai/job/senior-validation-engineer-2g-4g-5g-radio-products-parallel-wireless-bengaluru-d7pesjak3xj5) — Bengaluru, India
- [Senior Technical Lead for Regression Team  : 2G/4G/5G Radio Products](https://feeny.ai/job/senior-technical-lead-for-regression-team-2g-4g-5g-radio-products-parallel-a2rbxv895f7e) — Bengaluru, India
- [Technical Manager (Regression Manager: 2G/4G/5G Radio Products )](https://feeny.ai/job/technical-manager-regression-manager-2g-4g-5g-radio-products-parallel-wireless-cwxbsv0acdad) — Bengaluru, India
- [Senior Platform Software Engineer – IPsec/VPP/Kubernetes](https://feeny.ai/job/senior-platform-software-engineer-ipsec-vpp-kubernetes-parallel-wireless-h4876fttfezv) — Bengaluru, India
- [Accounting Manager - UK](https://feeny.ai/job/accounting-manager-uk-parallel-wireless-bristol-w3jgmbzsfn3t) — Bristol
- [Senior Accountant, Global Accounting](https://feeny.ai/job/senior-accountant-global-accounting-parallel-wireless-greater-boston-area-wkj2m9674trn) — Greater Boston Area