Ask HN: Who is hiring? (January 2023)

QuestDB | Developer Relations engineer & Growth engineer| Remote | https://questdb.io/

We're building an open source time-series database focused on performance and simplicity.

Developers rely on QuestDB as the analytic backbone of real-time systems ranging from FinTech to machine learning, IoT, and application monitoring. Fortune 500 companies such as Airbus and Yahoo deploy QuestDB for large-scale, data-intensive production systems, some of which serve close to a billion users.

Our open source repo has reached 10k GitHub stars and we have raised $15m in capital to date from YC and leading venture capital funds.

We hire talented and passionate people who share our mission to empower developers to solve their problems with data. We are building breakthrough technology to power the infrastructure of tomorrow.

We're looking for a developer relation engineer and growth engineer:

- Our career page: https://questdb.io/careers/

You can send an email directly to careers@questdb.io

MixRank (YC S11) | Software Engineers | 100% REMOTE (Global) | Full-Time

MixRank processes petabytes of data every month from web crawls, Google Play Store, Apple App Store, social media, and dozens of other sources. We have hundreds of customers using our data products including Google, Amazon, Facebook, Intel, and Adobe, across industries Sales, Marketing, Finance, and Security.

Team is 32 full-time, full-remote. We're growing, profitable, employee-owned, no dependence on outside funding.

We are looking for passionate individuals for whom programming is not just a job but it’s something they love to do. We're obsessed with computers, programming, big data, databases, compilers, hardware, math, data science, and the internet. Does this sound like you? Please apply to join our team.

Our code base is very friendly to new contributors. You'll have a fully-functional development environment within hours (fully automated) and be pushing commits on your first day. Deployments to production happen multiple times per day and finish in less than 2 minutes. Effectively all of our codebase is written in Python, SQL, and Javascript/TypeScript. The core technologies you'll need familiarity with to be productive are Python, PostgreSQL, Linux, and Git.

We operate at a larger scale than typical startups. We operate two datacenters with high performance servers we've built that are capable of dealing with the volumes of data we process. We've implemented our own distributed file system. We do full-scale web crawls. We download and perform static analysis on all Android APKs and iOS IPAs that are published. Unlike a typical startup where you'll spend half of your time in meetings, and the other half fixing bugs from Jira tickets— at MixRank you'll get to challenge yourself with difficult technical problems that will force you to grow as an individual.

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Software Engineer - Remote (Global), Full-Time

We're hiring generalist software engineers to work on web applications, data mining, machine learning/data science, data transformation/ETL, data modeling, database scaling, infrastructure, devops, and more. We'll cater the role to whatever subset of these areas match your interests.

Beneficial experience includes PostgreSQL, Python, Linux, TypeScript, Nix, frontend/backend web development, and data mining.

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Junior Software Engineer - Remote (Global), Full-Time

We're looking for remote junior engineers that have 0-3 years of professional experience in software, and 5+ years of curiosity exploring computers, programming, and technical hobby projects. This is an open-ended entry role with mentorship and diverse opportunities to work on all areas of our product: databases, distributed systems, infrastructure and tooling, data analysis, machine learning, frontend/backend web development, APIs, data mining, data modeling, and more. To stand out, please highlight what makes you unique: passion for computing, curiosity and side projects, work ethic, niche research, etc.

Ideally you've already graduated, but if you still have one or more years left of school, please feel free to apply anyway, and if you're the right fit for the team we'll figure out a way to accomodate your schedule.

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I'm Scott, Founder/CEO/CTO. To apply, please email dev at company name dot com or apply here: https://www.ycombinator.com/companies/mixrank/jobs

Kapitalise | Junior/Mid Full-Stack Developer | Remote (UK only)| Full-time | £40k-65k | https://kapitalise.co.uk

Company: Kapitalise provides a SaaS solution for accountancy firms to process R&D tax-claims on their clients behalf.

Role: Hiring for a second dev to join the team with me.

Tech: Ruby backend working with a React front-end. Knowedge of Ruby isn't a hard requirement but some kind of equivilant skills in similar languages would be needed.

Apply: Email me at tom@kapitalise.co.uk

thatDot | Remote | Full Time | https://www.thatdot.com The project you'd work on: https://quine.io Scala engineers with experience designing, building, and optimizing compilers: Mid- and Senior- Levels thatDot has created the world's first Streaming Graph, called "Quine" to make interpreting high-volume data streams dramatically faster and easier [1]. After 7 years of DARPA-funded research and development with a fantastic team of engineers, it's a game-changing core infrastructure technology. Our products are used by major security companies to do real-time behavioral analysis, monitor and triage their alarms, and automate remediation of security threats.

We're an early-stage venture backed company, and now is a great time to join! We believe strongly that each person should get more from their job than just a paycheck! It should be interesting, provide a chance to learn new things, help advance your career, work with amazing and kind people, and be fun! A person ≠ their opinions. We value individual people who know how to disagree productively with each other so we can all learn. We deliberately cultivate a space where learning new things is the goal. Non-traditional backgrounds (i.e. non-CS degrees) are strongly encouraged; philosophy majors wanted!

Tools in our stack - NOT REQUIRED if you're willing to learn: - Scala. We happily use pragmatic functional programming on the JVM. - Akka. The Actor model is at the heart of what we do. - Akka Streams. Backpressure is the ideal way to approach streaming data. - Databases like Cassandra, RocksDB, and more. - …and the right tool for the job.

If you're interested in learning more, please reach out to: contact@thatDot.com or check out this page: https://www.thatdot.com/company/careers

[1] https://www.thatdot.com/blog/linear-scaling-to-1-1-trillion-...

Heliolytics | Backend or Full-Stack Developer | Remote First (Canada), office in Toronto | https://jobs.lever.co/heliolytics

Heliolytics is the leading provider in Aerial Inspection service for Solar Power Plants. Over the last two years, we’ve seen a massive increase in global demand for our services. As a team, we are working to set new standards on how to build and run solar energy sites at peak efficiency. To help scale our team effectively and achieve our goals in 2023, we’re looking for a Backend Developer to join our remote-first team.

We recently launched a new version of our inspection platform and are actively adding new capabilities to help our clients (typically solar power plant operators) better run their systems. We work with large amounts of geospatial and imaging data, dealing with challenges around remote data transfer, geospatial data manipulation, automated image analysis and much more.

We are hiring for a variety of experience levels, however on the backend we are looking for someone with prior experience in Python.

Our backend tech stack is:

- FastAPI (Python)

- Kafka

- PostgreSQL (+ PostGIS for geospatial problems)

- GraphQL

On our frontend we use:

- Typescript

- React

- Deck.GL

- GraphQL

I am one of the techinical leads on R&D team and would be happy to answer any questions in the thread.