LM Studio 5 months ago
C++ Node.js Python React.js TypeScript

LM Studio (lmstudio.ai) | Systems Eng, Application Eng, Frontend Eng, Applied AI | New York City | ONSITE | Full-time

We're hiring for the following roles:

- Systems Eng: work on LM Studio's runtime and internal libraries, contribute to llama.cpp and MLX (C++, Python)

- Application Eng: work on LM Studio's desktop app, daemon, SDKs, and CLI (TypeScript, NodeJS, C++, React)

- Applied AI: push the boundaries of what's possible for agentic software with local AI (Python, C++, TypeScript)

- Frontend Eng: invent new kinds of human / AI interaction UX, ship software to millions of people worldwide (TypeScript, React)

See all roles and apply here: https://lmstudio.ai/careers

Onsite Full-time
Feldera 5 months ago
Docker GitHub Kafka Kubernetes Python Rust

Feldera (https://feldera.com | REMOTE (US) | Full-Time

RELIABILITY AND PERFORMANCE ENGINEER: https://jobs.ashbyhq.com/feldera/709c14e4-1fa9-46b4-9ff8-078...

- Strong background in systems engineering, performance testing, or site reliability engineering. - Fluency in Python and Linux fundamentals. Rust experience is a plus. - Experience with distributed systems and database concepts (consistency, fault tolerance, transactions). - Experience with CI/CD/Infrastructure as Code: GitHub Actions, Docker, Kubernetes. - Hands-on experience running large-scale and long-running workloads, preferably in a cloud-native environment. - Curiosity, rigor, and the ability to design experiments that simulate messy real-world conditions. SOLUTION ENGINEER: https://jobs.ashbyhq.com/feldera/544aff74-263f-4749-a4d0-af0...

- 5+ years experience in solution architect, customer engineering or solution engineering roles. - Strong background in distributed systems, databases, cloud infrastructure, and modern data platforms. - Experience with data-intensive systems in production (e.g., Kafka, Delta Lake, Iceberg, Kubernetes, monitoring/observability stacks). - Exceptional debugging and problem-solving skills, especially in customer-facing contexts. - Excellent communication skills, both for customer-facing and internal interactions. - Ability to write and maintain high-quality technical docs and playbooks. https://jobs.ashbyhq.com/feldera

Feel free to email with your resume gz @ domain, put HN in subject.

Remote Full-time
InnoVint 5 months ago
AWS Azure Django Google Cloud PostgreSQL Python Redis

InnoVint | Wine Production Software | Remote (US-based) | FT | Senior BE Developer (Django/Python) We're looking for another great back end developer to join our team. We are a company of 30 large and have been operating for over 10 years. We are not VC backed and operate as an independent company with startup mentality.

- You’ve built and scaled multiple APIs in production.

- You’ve deployed eventual consistency in production and know how to make it work for real users.

- You have experience mapping event-sourced backends to domain-rich applications

- You’ve profiled performance bottlenecks from the HTTP request to the database

- You’re fluent in relational databases (we use Postgres) and comfortable with non-relational stores (perhaps Redis).

- You’ve written gnarly database queries and have a penchant for building fast, efficient systems

- You’re comfortable in Python/Django and modern cloud environments (GCP/AWS/Azure).

- You thrive in small, distributed teams where ownership and initiative are key.

https://www.innovint.us/careers/sr-backend-engineer/

Remote
Aloe 5 months ago

Aloe | Vancouver BC Canada | ONSITE

To the Best Talent in the World: an Invitation Come join a state-of-the-art team tackling the most important problems in AI – in a society that actually wants you to be here.

https://aloe.inc/blog/the-best-talent-in-the-world

I am a co-founder. Looking forward to doing the best work of our lives together!

Onsite
Source 5 months ago

Source (https://source.network)| USA/Canada: REMOTE | Full-Time | https://source.network/careers At Source, we aim to revolutionize developer data management for the open web. Our mission is to simplify data handling for edge devices, local-first software, and distributed infrastructures, allowing developers to unleash their creativity and build world-changing tools that realize the open web’s full potential.

Our suite of new technologies work together to make it easy for developers to ship edge and local-first software. We empower developers to create software and devices that seamlessly communicate, offer granular data control, and secure data cryptographically to ensure trust. Join us in shaping the future of data management and the open web.

We’re growing fast and are looking to fill the below positions:

ENGINEERING

- Senior Zero-Knowledge Engineer - https://source.network/careers/senior-zero-knowledge-enginee...

- Head of Developer Relations - https://source.network/careers/head-of-developer-relations-r...

- Protocol Engineer (Distributed Systems) - https://source.network/careers/software-engineer-backend-dat...

- Software Engineer, Backend (Database/Distributed Systems) - https://source.network/careers/software-engineer-backend-dat...

See all our open positions here: https://source.network/careers

Remote Full-time
Veridise 5 months ago
Blockchain

Veridise | https://veridise.com | REMOTE | Full Time

About Veridise: Veridise performs security audits for smart contracts, zero-knowledge circuits, blockchain implementations, key management services, and other off-chain services like relayers, bridges, wallet integrations, and more. Additionally, many members of the Veridise team research and develop modern security tools designed to tackle the ever-changing landscape of blockchain development, providing novel and automated insights into the security of smart contracts and zero-knowledge circuits.

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Frontend engineer position: Veridise is seeking a skilled front-end software engineer who will be responsible for developing and maintaining a front-end for a SaaS platform that provides security and code review tools. This individual will work closely with backend engineers, static analysis tool engineers, and security analysts to implement features such as collaborative code review, vulnerability triage interfaces, and interactive visualizations of compiler data structures. In addition, this individual will be responsible for collecting feedback from customers to determine how interfaces can be improved to better integrate into their workflow.

Application link:

- https://veridise.com/careers/veridise-careers-frontend-engin...

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Security analyst position: Veridise is seeking a highly skilled and motivated security analyst. The ideal candidate will have a strong background in computer science, possess advanced technical expertise, and demonstrate a deep understanding of security principles. This role involves identifying and mitigating security vulnerabilities through manual code review, running cutting-edge security tools and analyzing their results, actively staying up-to-date on emerging security threats, and learning to audit in new and exciting technologies. Application link:

- https://veridise.com/careers/veridise-careers-lead-security-...

- https://veridise.com/careers/veridise-careers-security-analy...

Remote Full-time
Goblins 5 months ago
Next.js Spring Stripe

Goblins | https://goblinsapp.com | Founding Engineer #3 | Williamsburg, New York | ONSITE | $100-200k (+ generous equity)

In education, we have always traded off scale and quality. In a 30-student math class, half of kids are ready to accelerate while half are still working on their foundational skills, but teachers cannot be in 30 places at once, giving each student one-on-one support.

Until now. Imagine 30 teachers in every classroom—that's how Goblins feels. Students draw math on any device, and our AI figures out the "why" behind their confusion, giving instant feedback and building conceptual foundations. (Preview: https://youtu.be/sh9uomzbmus)

Goblins launched to school districts in the spring of 2025. Since then we've built a waitlist of thousands of teachers and sold Goblins to districts across the US (we'll hit 100k+ paid students this year!). We are in the unique position of having a product that is both highly differentiated and demanded :)

Technical problems we've worked on in the past:

→ Building knowledge graphs that adapt to student performance in real-time, routing them to the optimal next problem they should solve to maximize learning and engagement.

→ Extending our handwriting recognition from digital canvas to real paper through Chromebook cameras (think real-time OCR on math equations through low-quality webcams with poor lighting and limited CPU).

→ Creating interactive mathematical lessons (think 3blue1brown, but conversational) that remediate student misconceptions.

You'll be joining founding team members Sawyer (CEO, former Head of Design at X1 [acquired by Robinhood] and math teacher) and Alp (CTO, ex-Stripe and Amazon), plus two other exceptional founding engineers.

We move fast, care deeply about craft, and obsess over delighting users. If you're interested, email Email is hidden :)

Onsite
ToucanTix 5 months ago
Google Cloud GraphQL PostgreSQL RSpec Redis Ruby Ruby on Rails

ToucanTix | Senior Ruby on Rails Developer | REMOTE (EU/US timezones preferred)

Your code will run the gates at zoos and theme parks across Germany and the USA. When families scan tickets, when capacity limits kick in based on visitors and available resources (staff, equipment, facilities), when dynamic pricing adjusts for weather - that's our Rails app making real-time decisions for thousands of visitors daily.

We're 5 engineers at ToucanTix (sister company Combase has 80+). You'd have serious ownership and architectural influence from day one.

Technical challenges that actually matter:

Multi-tenant architecture supporting 100+ venues with wildly different business logic. Offline-first POS that syncs flawlessly. Complex pricing rules (weather + season + capacity + customer type) that need to stay performant. Hardware integrations with access control and payment systems.

Stack: Rails 7+ API with GraphQL (graphql-ruby), PostgreSQL doing serious heavy lifting with multi-tenant architecture, Redis for speed-critical stuff, SvelteKit frontend (if you're full-stack curious), Google Cloud infrastructure (Cloudtasker, Cloud Storage), RSpec/Capybara keeping everything bulletproof

You: 5+ years Rails. Strong at PostgreSQL optimization. Have architected systems for performance and scale. Comfortable owning technical decisions.

Us: Real ownership. No layers of management. Async-first remote culture. Profitable company, not burning VC cash. Your work has physical impact - people literally can't enter the attraction if your code breaks.

Full details: https://www.toucantix.com/careers/senior-ruby-on-rails-devel...

Apply: Email is hidden - Send CV + one technical challenge you're proud of solving. Put in subject line.

Remote
Nango 5 months ago

Nango | Staff backend engineer | Remote | Full time | $120-200k + equity

Nango (YC W23) is an open source product: Developer infrastructure for product integrations. We power the integrations of Semgrep, Motion, Vapi, Exa, and hundreds of other B2B software.

Small but highly experienced team, hard technical challenges (scale + infra devtool running untrusted user code), tons of ownership, direct customer contact, growing very fast.

We are looking for a Staff engineer that can touch every part of stack and is passionate about dev infrastructure.

Website: https://nango.dev Jobs: https://nango.dev/careers

Remote Full-time
OpusClip 5 months ago
Next.js

OpusClip | https://www.opus.pro | Burnaby, BC (Vancouver) | ONSITE | Full-time

Roles: 1. Senior/Lead Growth Engineer, AI Video Agents 2. Data Scientist

OpusClip is the world's No.1 AI video agent, built for authenticity on social media.

We envision a world where everyone can authentically share their story through video, with no expertise needed. Within just 18 months of our launch, over 10 million creators and businesses have used OpusClip to enhance their social presence.

We have raised $50 million in total funding and are fortunate to have some of the most supportive investors, including SoftBank Vision Fund, DCM Ventures, Millennium New Horizons, Fellows Fund, AI Grant, Jason Lemkin (SaaStr), Samsung Next, GTMfund, Alumni Ventures, and many more.

Check out our latest coverage by Business Insider featuring our product and funding milestones, and our recognition as one of The Information's 50 Most Promising Startups in 2024.

Headquartered in Palo Alto, we are a team of 100 passionate and experienced AI enthusiasts and video experts, driven by our core values:

Be a Champion Team

Prioritize Ruthlessly

Ship fast, Quality Follows

Obsess over customers

Be a part of this exciting journey with us!

Please apply on: https://jobs.ashbyhq.com/opusclip/9fc3459f-d8eb-4a40-b01e-bf...

Onsite Full-time