C Jobs - June 2023

OpenSynergy | ONSITE Berlin | Multiple roles | https://opensynergy.com

OpenSynergy is bringing the virtualization technology of the cloud to cars by developing a virtualization solution from scratch designed for the need of safety applications in the automotive market. The focused architecture together with the strong reliance and support of open solutions like virtio allows us to move fast with small and focused teams.

At OpenSynergy, we are passionate about systems programming. While most companies work at the user space level, we are committed to systems programming and getting into the woods to really understand the details down to hardware behavior.

Join a curious team that is constantly learning, extending our hypervisor kernel, and working together to improve our workflows and infrastructure.

We are hiring for:

| Bonsai | Realtime 3D Voxel Engine | Seeking Volunteers/Contributors | Remote, Global

Last month I posted a 'real' hiring ad (with an actual salary). I got such an overwhelming response from Intern level candidates that I though I'd put the word out; I'm looking for contributors for an OSS project I work on. If this is an inappropriate venue for this ad, I'm happy to take this down.

Bonsai is a long-running passion project of mine that's recently reached a level of stability with which I'm comfortable including an additional contributor or two. The project is largely inspired by Handmade Hero, and the rules are the same. With very few exceptions, every line of code included in the project has been written by me. This includes everything from the standard library to the font rasterizer, the collision detection, and even a C metaprogramming language.

https://github.com/scallyw4g/bonsai

As you can imagine, there's a great number of things that could be worked on, and I'm very open to suggestions. That said, a few tasks relatively high on the to-do list are as follows:

* Make some games!

* Implement transparency in the renderer based on this paper : https://www.jcgt.org/published/0002/02/09/paper.pdf

* Implement an MP3 decoder

* Using the metaprogramming language I wrote, implement a GUI tool to introspect the engine data at runtime.

* Port to Apple

A few more .. ;)

I'm looking for anyone who is passionate about (or passionately learning about) low-level programming, graphics, game engines, and/or compilers. If you're just starting out with these topics, I'm happy to be a mentor and help you stumble blindly down the path of becoming an excellent engineer. Working on Bonsai has been an absolutely amazing experience for me; it's literally changed my entire life, and I'd love to share it with other folks. If you're looking for a cool new project to work on, and don't need income from it, let's connect.

jesse@scallywag.software

Obligatory buzzwords : C, C++, OpenGL, WebGL, WASM, 3D graphics, multi-threading

Man Group Alpha Tech | Quant Python Engineer | London, UK | Onsite | Full Time As a Quant Python Engineer in Alpha Tech at Man you will be building the tools, frameworks, libraries and applications which power our Quantitative Research and Systematic Trading. This includes responsibility for the continued success of “Raptor”, our in-house Quant Platform, next generation Data Engineering, and evolution of our production Trading System as we continually expand the markets and types of assets we trade, and the styles in which we trade them. Your challenges will be varied and might involve building new high performance data acquisition and processing pipelines, cluster-computing solutions, numerical algorithms, position management systems, visualisation and reporting tools, operational user interfaces, continuous build systems and other developer productivity tools.

Our systems are almost all running on Linux and most of our code is in Python, with the full scientific stack: numpy, scipy, pandas, scikit-learn to name a few of the libraries we use extensively. We implement the systems that require the highest data throughput in Java. For storage, we rely heavily on MongoDB and Oracle.

We use Airflow for workflow management, Kafka for data pipelines, Bitbucket for source control, Jenkins for continuous integration, Grafana + Prometheus for metrics collection, ELK for log shipping and monitoring, Docker for containerisation, OpenStack for our private cloud, Ansible for architecture automation, and HipChat for internal communication. But our technology list is never static: we constantly evaluate new tools and libraries.

Alpha Tech has a small company, no-attitude feel. It is flat structured, open, transparent and collaborative, and you will have plenty of opportunity to grow and have enormous impact on what we do. We are actively engaged with the broader technology community.

o We host and sponsor London’s PyData and Machine Learning Meetups o We open-source some of our technology. See https://github.com/man-group o We regularly talk at leading industry conferences, and tweet about relevant technology and how we’re using it. See @manquanttech Essential Skills o Exceptional technology skills; recognised by your peers as an expert in your domain o A proponent of strong collaborative software engineering techniques and methods: agile development, continuous integration, code review, unit testing, refactoring and related approaches o Expert knowledge in one or more programming languages, preferably Python, Java and/or C/C++ o Proficient on Linux platforms with knowledge of various scripting languages o Strong knowledge of one or more relevant database technologies e.g. Oracle, MongoDB o Proficient with a range of open source frameworks and development tools e.g. NumPy/SciPy/Pandas, Pyramid, AngularJS, React o Familiarity with a variety of programming styles (e.g. OO, functional) and in-depth knowledge of design patterns.

If you're interested, please get in touch with Milly Parrott milly.parrott@man.com

Chainsage | Software Engineer | REMOTE | Full-time | VISA | GMT-8 to GMT+3 | $75k-$220k base + equity + annual cash bonus (potentially multiples of your base) Chainsage is a cryptoasset market maker. We're a small team of engineers and traders taking on the challenge of providing liquidity to crypto markets. If you get a kick out of quickly shipping things which move the needle immediately without any bureaucracy, this role is for you. We have built a system that traded billions of dollars in volume last year and have plans to expand this year to boost our metrics by an order of magnitude.

Requirements

• Self initiative, a great attitude and the ability to collaborate effectively with a team

• Min 2 years of professional Python experience

Great To Have But Not Required

• Mastery of Python multithreading/multiprocessing

• Experience with C/C++/Cython, asyncio, Typescript, React, Django, Flask

• Knowledge and interest in crypto markets, DeFi and smart contracts

Please reach out to me directly at mehmet at chainsage.com.

REGENT | Embedded Software/Flight Software/Controls/Avionics/Sensor Fusion| Full-time/Onsite/Hybrid | North Kingstown/Providence, RI| Relocation offered | F1/H1B/TN

Learn more & Apply: https://www.regentcraft.com/careers Look here for a recent discussion of our design and philosophy with our CEO & CTO: https://news.ycombinator.com/item?id=36051831

REGENT builds seagliders: the first form of zero-emission, high-speed, coastal transportation. Our flagship vehicle will safely transport commercial passengers by 2025.We are a venture backed startup with financing led by Thiel Capital and JAM Fund. We're supported by additional industry-leading financiers including Mesa Air Group, Mark Cuban, Y Combinator, Founders Fund, Caffeinated Capital, and Fitbit founder James Park. We are well-funded, with significant runway, and are continuing to grow our world-class team from across the aviation and maritime industries.

Embedded Software: Work with flight software, GNC and Avionics team to develop embedded code and drivers for our flight control computers and controllers. Work with a variety of sensor systems, actuators and communication protocols and play an integral role in getting our first generation seaglider in the air. (C++, C, including both bare metal and UNIX environments and Python, MATLAB, or Bash)

Flight Software: Develop and implement flight software. Includes low level implementation of flight control and flight management software, and building a full mission simulation environment. Vehicles will have novel control and autonomous functionality across multiple operational modes: hull-borne, hydrofoil-borne, and wing-borne. (C/C+, DO-178C or DO-254)

Flight Controls: Developing and implementing control law algorithms. Will involve leveraging the interplay between hydrodynamic controls, aerodynamic controls, and distributed propulsion controls. (C/C++ Embedded SW Dev, Aircraft control systems & integrated flight HW)

Avionics: Design, analysis, fabrication, integration and testing of the avionics and electrical systems. Implementing, from start to finish, a digital, fly-by-wire avionics system. Deep understanding of computing, networking, and power distribution hardware specification and selection with the ability to trade and document various options quickly but thoroughly. (Serial networks - CAN, RS485/422, ARINC 429 and ethernet & debugging)

Senior Sensor Fusion: Architect, roadmap, prototype, and realize a perception system to allow our seagliders to perceive the external environment, internal state of the vehicle, and operator intent. Rapidly prototyping innovative perception solutions, performing trade studies and data collection on sensor solutions, and hands on integration of the perception system into vehicles. (C/C++ & Python coding expertise. Hands on experience with sensor selection, evaluation, and integration and expertise in sensor fusion, state estimation, target tracking, and uncertainty modeling)

Lightning Labs | Senior Engineering Manager, Lightning Protocol Engineer, Senior Security Engineer| San Francisco | Remote | Full-time

https://lightning.engineering/

https://lightning.engineering/join-us

https://github.com/lightninglabs

Lightning Labs is hiring! We’re looking to expand our team to build technology that'll bring Bitcoin to the next billion people. Our current focus is the development and deployment of the Lightning Network, an open blockchain scalability protocol. We push the edge of innovation with regard to blockchain scalability, privacy-preserving smart contracts, and cryptocurrency UX. If you’re interested in one of the positions below, please apply using our careers page: https://lightning.engineering/join-us. And if you know someone who might be a good fit, we'd very much appreciate any referrals.

{Protocol Engineer}:

Experienced systems software engineer versed in applied cryptography, peer-to-peer networks, distributed systems, open source software, and cryptocurrency protocols to design and implement core protocol and algorithmic components of the Lightning Network as well as the Bitcoin Network. Solid programming skills, experience with Go, C, or C++. Prior contributions to crypto protocols and open source software collaboration preferred.

{Senior Security Engineer}:

Seeking to hire a Security Engineer for the ongoing scaling of our growing engineering organization. This is a hands-on role that consists of devising and implementing policies and procedures around best practices in systems security. The ideal candidate has experience in securing web, Bitcoin, and other public-facing network services, penetration testing, and both automated and manual source code security reviews. Due to the domain in which we work, experience with Bitcoin and the Lightning Network is extremely desirable as is knowledge of the cryptographic aspects involved in this area.

{Senior Engineering Manager}:

Seeking to hire a Senior Engineering Manager to help scale our growing engineering organization. The ideal candidate has experience managing remote teams across several time zones, has managed their own open source projects or actively contributed to such projects in the past, and has high level working knowledge of Bitcoin. Due to the nature of our software, our ideal candidate is also highly technical as we regularly face novel and challenging decisions that require nuanced and comprehensive analysis of related tradeoffs. In addition, the ideal candidate should have a passion for our mission, as well as for Bitcoin as a whole. Candidates in this position will work directly with the CTO to scale our engineering organization, as well as work across functional team boundaries to ensure proper resource allocation, product quality, and team agility.

Stanford Research Computing Center | Stanford, CA (next to Palo Alto) | Full-time | Three positions | HYBRID/ONSITE

The Stanford Research Computing Center (https://srcc.stanford.edu) is a collaboration between University IT and the Vice Provost and Dean of Research. We operate HPC environments for researchers, we do one-time consultations on projects (from software and pipelines, to data management, to physical building design and fit-out), and we provide contract support for individual Labs, Departments, and Schools.

We have five open positions:

• Research Storage Systems Developer: We're launching an on-prem tape-based S3-speaking archival storage service. It's going to use Lustre, Phobos, and MinIO. We're looking for someone to help with software development and administration of this new service. Keywords: Go, MinIO, S3, Python. You'll be working with the folks who run our Oak "Cheap and Deep" storage service.

• Computational Consultant: This is a generalist position for someone with a lot of education or experience. You'll work with researchers—from Nobel-winning Faculty to new graduate students—to map their needs to our available services, and to identify directions for us to grow. You'll be working with other consultants in our group, as well as cluster admins. Keywords: R, Python, Jupyter, conda, SLURM, OpenMP, MPI.

• Research Computing Systems Specialist, SDSS: The Doerr School of Sustainability is one of our largest clients. They use our primary research cluster (Sherlock); and they also have their own cluster, which you'll be responsible for. You'll have a lot of contact with Doerr School Faculty, Graduate Students, and Postdocs. Keywords: Python, C, Fortran, MPI, and large jobs. You'll be working with our in-group SME, and the two sysadmins who run Sherlock. If you're a sysadmin, but not an HPC sysadmin, you should still apply.

• Stanford CryoEM Center (cEMc) Computational Resources and Data Management Specialist: Within the School of Medicine, this is a new Center, providing cryoEM equipment and services to researchers. cEMc is looking for someone who ideally has both cryoEM and Linux experience, who can advise researchers on their workflows and pipelines. You'll be a bridge between the researchers and us, helping to design workflows and pipelines that automate things as much as possible, within the limits of a shared HPC environment.

• Data Center Engineer: You're part of the SRCC, but based full-time at our primary research data center in Menlo Park (on the SLAC campus). This position includes everything from racking and cabling to maintaining and troubleshooting power distribution (415v Starline bus), UPS (spinning-mass), generators, VFDs, air handlers, chillers, PLCs, and the like.

All four positions are hybrid, except the data center engineer is fully onsite. If you don't already live in the Bay Area, I believe we provide a relocation incentive. Depending on where you live, we provide free transit passes. Unfortunately, if you don't commute, you will have to pay for parking for the days you're on-site. Work benefits are all publicly documented at https://cardinalatwork.stanford.edu/benefits-rewards. We always get two weeks off around Christmas, through you'll have to spend one or two days on-call.

Here are the links to apply:

• Storage position: http://phxc1b.rfer.us/STANFORDvSHMfg

• Computational Consultant: http://phxc1b.rfer.us/STANFORD19hMfm

• SDSS position: http://m.rfer.us/STANFORD66NL8g (more experienced) or http://m.rfer.us/STANFORDgV4L8h (less experienced)

• cEMc position: http://m.rfer.us/STANFORDPw3L8i

• Data Center Engineer: http://phxc1b.rfer.us/STANFORDKzYMfY

If you have questions, feel free to reply here or email me (the info is in my profile).