Open source jobs in berkeley, ca

Software Engineer II, Open Source Server

Remote or San Francisco, California

•

Today

Role Summary Temporal is looking for a Software Engineer II to join the Open Source Server team. This team builds and maintains the core Temporal server. Its scope is broad, including Matching, Applications, Foundations, task processing, quotas and throttling, visibility, developer-facing primitives such as standalone activities, schedules, and streaming, and workflow experience improvements such as Continue-As-New, pause, and reset. We do not expect one person to cover all of these areas. We'r

Full-time

USD 118,400.00 - 194,250.00 per year

Staff Software Engineer, Open Source Server

Remote or San Francisco, California

•

Today

We are currently hiring Staff Software Engineers across multiple back-end systems teams. The work you will do as a Staff Engineer is key to developing features without complicating Temporal, as the increasing complexity of our systems creates additional challenges. You will design, build, and maintain significant portions of our backend functionality for highly scalable, multi-tenant services. Examples of the key distributed systems aspects you can impact include (but not limited to) latency, sc

Full-time

USD 169,600.00 - 278,250.00 per year

Senior Staff Engineer, Open Source Server

Remote

•

Today

Role Summary Temporal is looking for a Senior Staff Engineer to join the Open Source Server team as a technical lead. This team works on the core Temporal server. Its scope is broad, including Matching, Applications, Foundations, task processing, quotas and throttling, visibility, developer-facing primitives such as standalone activities, schedules, and streaming, and workflow experience improvements such as Continue-As-New, pause, and reset. We do not expect one person to cover all of these

Full-time

USD 208,000.00 - 341,250.00 per year

Senior Software Engineer, Open Source Server

Remote

•

Today

Role Summary Temporal is looking for a Senior Software Engineer to join the Open Source Server team. This team builds and maintains the core Temporal server. Its scope is broad, including Matching, Applications, Foundations, task processing, quotas and throttling, visibility, developer-facing primitives such as standalone activities, schedules, and streaming, and workflow experience improvements such as Continue-As-New, pause, and reset. We do not expect one person to cover all of these areas

Full-time

USD 140,800.00 - 231,000.00 per year

Software Engineer Intern, Backend (Summer 2027 - SF)

San Francisco, California

•

Today

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Interns work side-by-side with top engineers in the industry while having autonomy from the get-go. They contribute to user-facing products and are able to see their work go live quickly. Lyft fosters a collaborative environment in the office, so there's always a sharp mind eager to hear about your next idea. So what's yours? Re

Full-time

USD 52.00 - 58.00 per hour

Open Call for Founders / Founding Teams - Product Management and Engineering

San Francisco, California

•

24d ago

Open call for Founders / Founding Teams (Product Management / Engineering roles) In 1973 at Xerox PARC, Bob Metcalfe sketched a way for many computers to share a single wire - borrowing the throughput math from his study of Hawaii's ALOHAnet - and he and David Boggs built it and measured it until it held. Behind Ethernet was a two-person team that turned a contested idea into the measured standard now carrying almost all the world's wired traffic. At Mercury, we're looking to accelerate several

Full-time

Senior Software Engineer

San Francisco, California

•

Today

Who We Are Roboflow is building the visual cortex for AGI. Every day, millions of developers and half of the Fortune 100 use Roboflow to count cells to accelerate cancer research, improve construction site safety, digitize floor plans, preserve coral reef populations, guide drone flight, and much more. We have built the tools, community, and resources needed to make the world programmable with artificial intelligence. We're supported by great customers and investors, having raised over $100 m

Full-time

USD 250,000.00 - 400,000.00 per year

Senior Fullstack Software Engineer, AI Observability & Evals Platform (NY)

San Francisco, California

•

Today

About Us At LangChain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we're at a stage

Full-time

USD 175,000.00 - 240,000.00 per year

Software Engineer II, Cloud Enablement

Remote or San Francisco, California

•

Today

Role Summary We're looking for a Software Engineer II to join Temporal's Cloud Enablement team and help build and improve the Temporal Proxy. This role will focus on implementing core proxy capabilities and helping consolidate multiple proxy implementations into a single, extensible, open-source, and productized solution used by both customers and Temporal Cloud infrastructure. Check out our code here! What You'll Do Implement features in a proxy codebase, contributing production-quality code

Full-time

USD 118,400.00 - 194,250.00 per year

Mid-Level AI & Machine Learning Engineer

San Francisco, California

•

Today

Who we're looking for As a Mid-Level AI & Machine Learning Engineer, you will be joining a team of talented and passionate engineers focused on creating the next generation of AI features to make Fieldwire the World's best Construction Management Platform! Your role will focus on adapting existing models, running models in our own infrastructure, as well as extracting and categorizing meaningful information from complex documents, PDFs and images. Your work building core AI features and services

Full-time

USD 170,000.00 - 195,000.00 per year

Backend Software Engineer, Airports

San Francisco, California

•

Today

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. The Airports team is part of a mission-critical endeavor that keeps travelers moving smoothly. As an engineer on our team, your role will be essential in making sure drivers and riders enjoy a dependable experience at airports. You'll work hand in hand with various teams across Lyft, fostering collaboration and driving innovation

Full-time

USD 128,000.00 - 160,000.00 per year

Talent Community Lead

San Francisco, California

•

Today

About Us At Rox, we believe in empowering people to do their best work. Our platform supercharges sellers with autonomous revenue agents to do the manual work so they can focus on what they do best: selling. Just as coding agents 10x'd engineering, revenue agents 10x customer work. We are reimagining the revenue stack by building the world's first revenue operating system, from the application layer to the system of context. With Rox, humans are evolving to orchestrators while agents manage t

Full-time

USD 150,000.00 - 200,000.00 per year

Senior | Staff Software Engineer - AI / ML

San Francisco, California

•

Today

About Snorkel Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI. We combine technology with research-driven AI data development to create datasets, benchmarks, evals, and custom solutions for real-world AI systems. Founded out of the Stanford AI Lab in 2019, Snorkel works with leading AI labs and enterprises to move from better data to better outcomes. Excited to help us redefine how AI is built? Apply to be the

Full-time

USD 208,000.00 - 315,000.00 per year

Senior Software Engineer - iOS

San Francisco, California

•

Today

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Our Client Infrastructure team is dedicated to building software that addresses challenges at a large scale, ensuring that our mobile applications are stable, scalable, and efficient. As a Mobile Engineer on the Mobile Foundations team, you will create and maintain foundational systems that all Lyft mobile engineers rely on, en

Full-time

USD 148,000.00 - 185,000.00 per year

Deployed Engineer, Professional Services (San Francisco)

San Francisco, California

•

Today

Full-time

USD 150,000.00 - 300,000.00 per year

AI Backend Engineer, Artificial Intelligence (AI) Required, Work From Home

Remote or San Francisco, California

•

Today

Company Description Job Description AI Backend Engineer, Artificial Intelligence (AI) Required, Work From Home We are looking for talented AI Backend Engineers to build systems that power AI-driven decisioning, automation, and orchestration across our platform. This role sits at the core of our AI stack, between models, backend systems, and real users, where latency, correctness, reliability, and cost directly impact production experience. This is a fully remote position where you will be par

Full-time

Senior Software Engineer

San Francisco, California

•

Today

Upbound is redefining how modern infrastructure is built for the Agentic AI Era. We're the creators and primary maintainers of Crossplane, and we're building the Intelligent Control Plane-a new platform layer that makes infrastructure programmable, autonomous, and composable. Our mission is to power the AI-native enterprise with a foundational platform layer that helps teams provision, operate, and adapt infrastructure at scale-so platforms are ready for both humans and AI agents. We partner wi

Full-time

Forward Deployed Engineer (Inference & Post-Training)

San Francisco, California

•

Today

About the role As a Forward Deployed Engineer (FDE) focused on Inference & Post-Training, you will be a hands-on technical partner to our most strategic customers - production AI teams looking to leverage high quality models and do inference at scale. For us, FDE is not a replacement for a Solutions Architect; you will partner with our SAs as a deep-domain specialist in inference optimization, fine-tuning pipelines, and production deployment. As key contributors to both the CX, Engineering, and

Full-time

USD 270,000.00 - 300,000.00 per year

Applied AI Engineer, Artificial Intelligence (AI) Required, Work From Home

Remote or San Francisco, California

•

Today

Company Description Job Description Applied AI Engineer, Artificial Intelligence (AI) Required, Work From Home We are looking for an Applied AI Engineer to design, build, and optimize AI-powered features that sit directly inside our product workflows. The Applied AI Engineer role focuses on turning model capabilities into real product behavior, where AI interacts with users, supports decision-making, and powers automation across insurance journeys. This is a fully remote role where you will b

Full-time

Staff Software Engineer, Applied AI

San Francisco, California

•

Today

Secure Every Identity, from AI to HumanIdentity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you ar

Full-time

USD 194,000.00 - 267,000.00 per year

Open source jobs in Berkeley, CA, USA