Solve Intelligence (YC S23) | AI, Full-Stack, and Frontend Engineers | On-site (London, UK) | Full-time

We’re the fastest growing startup building AI products to transform how IP professionals work. We’re building an AI-powered end-to-end platform to help with every aspect of invention harvesting, patent generation, and IP portfolio management.

We’re backed by Y Combinator, 20VC, Microsoft, and Thomson Reuters ($15M raised). We’re looking for super-talented engineers to help us build out our products extremely fast. You’ll be joining the most lean, talent-dense, and fast-moving engineering team in London.

Tech-stack: AWS, Terraform, Postgres, FastAPI, React, Tailwind

For more details, and to apply: https://www.ycombinator.com/companies/solve-intelligence/job...

Bitnomial | Haskell Software Engineer | Chicago, SF, NYC, REMOTE (US) | Full-time | https://bitnomial.com/jobs/

Bitnomial is looking for Haskell Software Engineers to join our team. Bitnomial is a US based, CFTC licensed and regulated derivatives exchange, headquartered in Chicago. Bitnomial develops and operates exchange, clearing, and settlement infrastructure. Our first products are physically-settled Bitcoin futures and options. We recently launched a Hashrate future, and we have more and different products on the way. Trading industry experience is a plus.

We use Haskell for all of our backend services, including the matching engine. Our main repository is 66% Haskell, 11% TypeScript, 9% HCL (for Terraform, Nomad, etc). We use servant as our main web server.

We've also got a bunch of open source projects: https://github.com/bitnomial

Tech stack: Haskell (GHC), React/Typescript, PostgreSQL, Nix, Nomad, Terraform, AWS

Compensation: $150-$225k base salary depending on qualifications + equity options

For US employees: 4% 401(k) matching + healthcare benefits

Contact: You can apply at https://jobs.ashbyhq.com/bitnomial

TalkJS (https://talkjs.com) | REMOTE (Europe / Middle East / Africa)

TalkJS lets developers build a perfect chat feature in just a few minutes. We power communication in online marketplaces, community sites, multiplayer apps, trading platforms and so on. We're product driven and we care tremendously about quality.

We're headquartered in the Netherlands and our team is spread across the Central European Timezone +/- 3h.

We're particularly looking for:

* Mobile SDK Developer (iOS/Android/React Native/Flutter) * Full-stack Developer (TypeScript/Elixir/Postgres) If you enjoy crafting perfect libraries and APIs for other programmers to use, get in touch!

TalkJS touches millions of people and is growing quickly. We want to be the tool that every developer thinks of for building communication features, a bit like what Stripe is for payments. 80% of the company is product people, founders are a designer and a programmer.

Our strategy is to give great engineers the maximum amount of freedom, so they can ship fantastic SDKs, APIs and features. This means a lot of responsibility, a lot of agency, a sane work/life balance, no meetings, no red tape. We're growing, profitable, and not dependent on venture funding. Sound good?

More info on all positions + how to apply: https://talkjs.com/jobs/

JustPark | Lead Software Engineer | Ideally based in Dallas area | Open to remote (US) | Hybrid / Remote

JD here: https://apply.workable.com/justpark/j/edd44da0ab/

About you: -3–5 years experience managing software engineering teams responsible for cross-functional product delivery - 3–5 years professional experience with Golang (Experience with Node.js is a plus) - 3–5 years professional experience with SQL and data layer design - Extensive experience with cloud services, including AWS (EKS, EC2, S3, IAM, Cognito, Lambda, RDS) and/or Google Cloud (GKE) - Expertise in modern CI/CD workflows and tools such as GitHub Actions, Codefresh or ArgoCD - Proficiency with tools such as JIRA, GitHub, Confluence

If interested, please apply directly using the link above!

Brilliant.org | Software Engineers | Remote (North America), SF, NYC | Full-time | $145k — $230k | https://brilliant.org

Brilliant is building world-class interactive learning experiences that combine challenging problems, compelling narratives, and delightful visual storytelling.

We're hiring for a number of engineering roles to help craft the next generation of interactive learning and change how the world learns.

Engineers at Brilliant think about both "building the right thing" AND "building the thing right" while pursuing high standards of excellence for ourselves, our product, and our codebase.

If you're energized by the prospect of doing the best work of your career and changing how the world learns alongside the most talented peers you've ever worked with, you can learn more and apply here: https://brilliant.org/careers.

ParaFi Capital | San Diego (Hybrid) | Sr. full-stack Engineer

ParaFi is a multi‑strategy investment and technology firm focused on the digital‑asset ecosystem. Since 2018 we’ve partnered with leading institutions to deploy venture, liquid, and quantitative capital. Our edge comes from marrying rigorous research, deep technical capability, and an operator’s mindset. We ship code, contribute to protocols, and build internal systems that keep us a step ahead of the market.

We’re looking for a senior engineer who can wear multiple hats - backend, frontend, data, and DevOps - to accelerate every part of ParaFi’s technology platform. You’ll design and own production systems that ingest billions of on‑chain and market datapoints, power quantitative strategies, and surface realtime insights to the investment team. Expect a high‑trust, low‑bureaucracy environment where your technical decisions directly influence portfolio returns.

To apply, send me an email directly and mention HN in the title. Just decode this email: [email protected]

Terradot | Data Science, Machine Learning, Computational Research, Statistics | ONSITE in San Francisco, CA or São Paulo, BR | Full-Time

Terradot is a carbon removal company founded out of Stanford University. We are advancing the science and technology of Enhanced Rock Weathering (ERW), a carbon removal pathway that leverages earth’s natural weathering cycle to draw carbon dioxide out of the atmosphere at the gigaton scale. We just raised ~$60M in funding and have sold 300k tons of offtakes from leading CDR buyers like Frontier and Google.

We’re looking for quantitative-research-type folks interested in working in a high-performance science and engineering team to develop an engine to jointly quantify and predict CO2 removal in ERW projects. It’s a tough problem spanning geochemical modeling, geostatistical modeling, and integration of complex environmental data. Some domain background appreciated but not required. We're currently working in Python & Julia. Let's draw down some carbon.

Check us out at https://terradot.earth/, email me: Email is hidden

Forward | Senior Frontend Engineer | Onsite & Hybrid | Full-time | Austin, TX | https://www.getfwd.com

Forward is building the next evolution of embedded payment capabilities for SaaS companies looking to monetize their platforms. We're growing rapidly and looking to add a talented frontend or full-stack engineer to our team. Ideally, we're looking for someone with NextJS and design experience to create a library of embeddable payment widgets.

Please only apply if you're available to work from Austin, TX. I'm happy to answer any questions or provide more details, please email me at amays # getfwd.com.

Apply here: https://www.getfwd.com/careers/job/4629515007/

Close | Full-Time | 100% Remote - US Based

* Backend Engineer (Python)

* Frontend Engineer (React)

* Site Reliability Engineer

Close is a bootstrapped, profitable, 100% remote, ~100 person team of thoughtful individuals who prioritize taking ownership and making a meaningful impact. We’re eager to make a product (Sales CRM Software) our customers fall in love with over and over again.

We’re looking for high achieving, full-time Software Engineers to join our team. Folks who have a good understanding of web technologies and want to help design, implement, launch, and scale major systems and user-facing features.

https://jobs.ashbyhq.com/close?utm_source=zejma7953z

Sphinx Defense | Engineering, DevOps, & Product | Remote (US Only), DC, Colorado Springs, LA | https://www.sphinxdefense.com

Sphinx Defense builds software to solve complex national security problems for America and its allies. Founded by engineers and technologists with deep experience across commercial and defense technology, we're building a vehicle-agnostic communication infrastructure to enable satellite operators to securely utilize antenna networks and maneuver satellites in real-time. We're bootstrapped, profitable, and growing aggressively.

To learn more about who we are, our engineering culture, and whether this is the right place for you, read our Key Values profile: https://www.keyvalues.com/sphinx-defense

Our current openings are: Delivery Manager - Space C2 : https://grnh.se/5d82da2b8us

Sr. Backend Engineer - Colorado Springs : https://grnh.se/7184c0238us

Sr. Backend Engineer - Remote : https://grnh.se/3ef2598b8us

Sr. Software Engineer - Frontend - Colorado Springs: https://grnh.se/aa436da18us

Sr. Software Engineer - Frontend - Remote: https://grnh.se/e85422638us :

Sr. DevOps Engineer - Colorado Springs: https://grnh.se/e0bcde898us

Don’t see a role that aligns with your interests or don’t have the specific Space/ Command & Control experience? Apply to the general interest application and list what type of role you would be interested in : https://grnh.se/4ce199d68us

Check out our open roles: https://www.sphinxdefense.com/#careers