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Tmobile Engineer Jobs in California (NOW HIRING)

Syntronic R&D USA

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Cellular Audio Telephony Certification Engineer

Sunnyvale, CA · On-site

$80K - $90K/yr

... Engineer to lead audio quality validation and certification activities for mobile/cellular devices ... AT&T, T-Mobile, Vodafone, NTT DOCOMO) * Validate devices in handset, handsfree, headset, and ...

LotusFlare

QA Engineer (Santa Clara)

Santa Clara, CA · On-site

Position Summary As a QA Engineer, you will be responsible to assess software quality through ... T-Mobile, A1, Globe Telecom, Liberty Latin America, Singtel, and other leading enterprises around ...

Zip

Senior Security Engineer

San Francisco, CA · On-site

$160K - $240K/yr

The world's most influential enterprises trust Zip, including T-Mobile, OpenAI, AMD, Mars, Dollar ... As a Security Engineer, you'll take on a dynamic, high-impact role focused on securing the cloud ...

Zip

Senior Security Engineer

San Francisco, CA · On-site

$160 - $240/hr

The world's most influential enterprises trust Zip, including T-Mobile, OpenAI, AMD, Mars, Dollar ... As a Security Engineer, you'll take on a dynamic, high-impact role focused on securing the cloud ...

Pano

AI/Computer Vision Engineer

San Francisco, CA · On-site +1

$141K - $184K/yr

... T-Mobile Ventures, we're building technology that helps communities around the world become more ... The Role We are looking for a motivated Computer Vision Engineer to help build the next generation ...

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Infographic showing various Tmobile Engineer job openings in California as of August 2026, with employment types broken down into 93% Full Time, and 7% Contract. Highlights an 86% In-person, 7% Hybrid, and 7% Remote job distribution.

Software Engineer Intern (Summer 2027)

Triwill Group

San Francisco, CA • On-site

$77 - $83/hr

Other

Posted 16 days ago

Key responsibilities

  • Design and build highly reliable and resilient products and features.

  • Work closely with cross-functional product and customer-facing teams to understand requirements and ship solutions.

  • Write high-quality, extensible, and maintainable code for scalable frontend applications and APIs.

Job description

Description: ABOUT ZIP

Zip is the AI platform for enterprise procurement — built for humans and agents working together. By orchestrating procurement across teams, tools, and suppliers with the help of AI agents, companies can secure the resources they need to innovate faster than ever before.

The world’s most influential enterprises trust Zip, including T-Mobile, OpenAI, AMD, Mars, Dollar Tree, and more. Together they’ve saved over $8 billion and processed over $500 billion in spend. Zip’s team includes product leaders from Apple, Airbnb, and Meta, as well as former procurement leaders from United Health, Sanofi, MGM Resorts, Discover, and NASA.

Backed by Adams Street, Alkeon, BOND, CRV, DST, Tiger Global, and Y Combinator, Zip has raised $371 million, most recently at a $2.2 billion valuation and has been recognized by Forbes Fintech 50, Fast Company's Most Innovative Companies, Inc. Best in Business, and LinkedIn Top Startups.

YOUR ROLE

As a Software Engineer Intern, you will be shown how to build Zip’s core products and architecture. You will ship features that will be immediately used by our users and will work with a tight-knit team that values open communication and cross-functional collaboration. We move quickly to solve a wide range of complex technical and product challenges. While we are an experienced team that can provide constant guidance and mentorship, we value engineers who can scope and solve difficult technical challenges.

Previous interns have worked on:

  • Internal AI bot: a bot that uses generative AI to aggregate info from various sources (e.g. google doc, notion, Slack, Zip help site) and generate answers - it’s now actively used by both engineering and customer teams at Zip
  • Devbox: building a prototype that bootstraps the development environment in AWS cloud for all zip engineers - this project is now being used by 80+ engineers
  • Virtual Card Auto Lock: a feature that automatically locks virtual cards based on various policies, such as after a certain expiration date, when reported lost, or in the event of an overdraft. This feature, along with a self-serve onboarding tool, is now live in our virtual card product
YOU WILL
  • Design and build highly reliable and resilient products and features
  • Work closely with cross-functional product and customer-facing teams to understand requirements and ship thoughtful solutions
  • Write high-quality, extensible, and maintainable code
  • Design and build scalable frontend applications and components
  • Design and build APIs to drive existing and new features for a web-based application
QUALIFICATIONS
  • Pursuing a BS or MS in Computer Science or a related technical field involving coding (e.g. physics or math), with an expected graduation date between December 2027 - June 2028
  • Experience with web applications and API development. At Zip, our stack includes Python, Javascript/TypeScript, React, and GraphQL
  • Ability and interest to quickly learn new frameworks, architecture patterns, and programming languages as needed
  • Fantastic written and verbal communication skills
  • Prior internship in a high-growth startup environment

Our internships are full-time and hybrid, based in our San Francisco HQ office. Our Summer 2027 internship runs either May–August or June–September.

The estimated hourly pay range for this role is $56 - 60 per hour.

PERKS & BENEFITS

At Zip, we’re committed to providing our employees with everything they need to do their best work

  • Catered breakfasts, lunches & dinners
  • Team building events & happy hours
  • Apple equipment
  • Intern Housing stipend

We're looking to hire Zipsters and that means hiring people who take ownership, communicate openly, have an underdog mindset, and are excited to increase the pace of innovation for every business in the world. We are committed to building a diverse and inclusive workspace where everyone (regardless of age, religion, ethnicity, gender, sexual orientation, and more) feels like they belong.

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