Peregrine Technologies | Senior Software Engineer | San Francisco or DC - Hybrid | Full-time | $130,000 - $250,000 base + bonus + stock / equity

Peregrine exists to help public safety organizations better protect their communities and the privacy of those they serve.

Our stack is constantly evolving but based on a backend foundation of Python, Django, Celery, Airflow, and Kafka; a frontend built in React, Redux, and Mapbox; data stores including PostgreSQL and Elasticsearch; machine learning models hosted in Bedrock and Sagemaker; and with AWS, Pulumi, Terraform, and Kubernetes as our underlying infrastructure.

Engineering Roles:

Engineering Team Lead, Identity https://job-boards.greenhouse.io/peregrinetechnologies/jobs/...

Senior Software Engineer, Foundations https://job-boards.greenhouse.io/peregrinetechnologies/jobs/...

Senior Software Engineer, Mobile https://job-boards.greenhouse.io/peregrinetechnologies/jobs/...

Senior Software Engineer, Apps https://job-boards.greenhouse.io/peregrinetechnologies/jobs/...

Senior Software Engineer, Data https://job-boards.greenhouse.io/peregrinetechnologies/jobs/...

Senior Network Engineer https://job-boards.greenhouse.io/peregrinetechnologies/jobs/...

Design Engineer https://job-boards.greenhouse.io/peregrinetechnologies/jobs/...

Toolhouse| SF/Bay Area | ONSITE | Developer Advocate | https://toolhouse.ai | Full-time

Toolhouse.ai is on a mission to democratize function calling access to developers, worldwide. We're looking for a passionate and articulate Developer Advocate to join our growing team in the San Francisco Bay Area.

What You'll Do:

* Attend and present at local meetups and developer communities.

* Wow attendees with live demos showcasing the capabilities of Toolhouse's SDK

* Educate developers on the potential of LLMs and how Toolhouse.ai simplifies integration with function calling.

* Network with participants, fostering relationships and building the Toolhouse.ai developer community.

* Gather feedback from developers to inform product roadmap decisions.

Who You Are:

* A passionate developer with understanding of LLMs and their potential applications.

* Excellent communication and presentation skills, with the ability to engage a technical audience.

* Experience building and using developer tools a plus.

* Familiarity with the SF Bay Area developer meetup scene is preferred.

* A self-starter with the ability to manage your own schedule and workload (part-time).

If you're a passionate developer who loves sharing your knowledge and building communities, we want to hear from you! Please get in touch with us by emailing Email is hidden subject DevRel - HN and include any relevant links for us to understand who you are and what you have done/can do.

Browse AI | Senior Software Engineer (Frontend) | Remote in Canada | CA$120K-CA$160K + stock options

We’re building the easiest way to extract data from the web and build AI agents. Our no-code SaaS platform lets anyone turn a website into a spreadsheet or API in minutes. 500,000+ users and 50 Fortune 500 co’s rely on us and we’ve grown to ~US$2M ARR in just 2 years. We’re scaling fast and defining the future of how people automate knowledge-work.

We’re looking for a Senior Software Engineer (Frontend) with deep expertise in web technologies and a strong product mindset. You’ll play a key role in architecting and developing complex front-end systems, driving major initiatives, and shaping our technical direction. Some of the current technical challenges we’re working on:

→ Building a minimal spreadsheet interface (think Google Sheets) able to perform well with infinite amounts of data with low latency and complex capabilities

→ Designing and building an interface to train, run, and monitor custom AI agents with 100% task success rate Our tech stack: Frontend: React, TypeScript, GraphQL, Tailwind Backend: Node.js, PostgreSQL, AWS (Lambda, RDS, Fargate, SQS, etc.)

You’ll join a small (8-person), fast-moving eng team, working closely with our CEO & Head of Product, Ardy, at an engineering-led SaaS startup. If you thrive on solving complex problems and shipping fast, we can’t wait to hear from you at Email is hidden

Waitwhile | Stockholm, Sweden | Onsite/hybrid | Full-time | https://waitwhile.com

Waitwhile works to eliminate the 1 trillion hours that people spend waiting in lines every year. Our platform is trusted by over 10,000 companies worldwide and has helped more than 250 million people enjoy a radically better waiting experience at places like IKEA, Chanel, Costco, Tribeca Film Festival and more.

Hiring for multiple roles for our Stockholm office. You must have work permit and live in Stockholm. Come join our wonderful, supportive team!

- Frontend Software Engineer: Junior or senior frontend focused engineer with big interest in building scalable and maintainable apps built with modern Angular and RxJS based in Stockholm. https://careers.waitwhile.com/jobs/4537202-software-engineer...

- Solutions Engineer: Customer facing product expert and problem solver with engineer chops based in Stockholm. https://careers.waitwhile.com/jobs/3245527-solutions-enginee...

Nyxcipher | CTO | USA, Kansas | Remote

We are seeking a skilled and motivated developer to join our team for the next phase of our project. The project is currently in progress, with 30% of the Minimum Viable Product (MVP) already completed in Version 1. The focus now shifts to Version 2, where we need to implement additional functionalities, fix bugs, and prepare for the development of smart contracts by the end of this year.

Project Details: Total Salary Budget: $150,000 - $180,000 USD (Hourly Rate: $100 - $130 USD, paid via PayPal or Wise) Timeline: The development must be completed by December 2025. This includes both web and smart contract development. After this phase, we plan to launch a mobile version of the platform.

Key Technologies: Node.js MongoDB Solidity Smart Contracts Web3

Requirements: English proficiency is essential for effective communication with the team. Strong experience with the listed technologies is required. Agile or Scrum methodologies are used, with collaboration tools such as Jira and GitHub. The project includes a collaborative development team, and there will be regular team meetings twice a week. Flexibility for time zone differences will be necessary.

Additional Information: There will be learning opportunities for technologies you may not be fully familiar with. Collaboration and communication within the team are key to our success, and you will work closely with other developers to achieve project milestones.

Contact: Email

Email is hidden

Optimal | London, UK | ONSITE

AI Simulation and Control Engineer: Up to £150k + 2% depending on experience (https://wellfound.com/l/2aus7a)

Full-Stack Software Engineer (Python): Up to £150k + 2% depending on experience (reach out direct to Email is hidden)

Optimal builds AI agents to control the world’s critical infrastructure - from factories, to datacenters, to farms.

We are backed by the Director of AI Research at Google DeepMind as well as early VC investors in SpaceX, Anduril, and Palantir.

We have built the world’s most advanced AI control system for high-tech greenhouses and have just signed out first customer contracts in North America and Europe having proven the performance of our AI across 3 seasons in our own demonstration greenhouse.

Email is hidden

https://www.optimal.ag

Beautiful.ai | Full-Time | Remote in US & CAN | SaaS B2B Presentation Software | Series B | 16M Funding | AI Industry

1. Senior Manager, Software Engineering | 200k - 250k Base Salary + Equity | https://boards.greenhouse.io/beautifulai/jobs/4634347007

2. Accounting Manager | 100k - 120k Base Salary + Equity | https://boards.greenhouse.io/beautifulai/jobs/4619672007

3. Senior Product Marketing Manager | 120k - 150k Base Salary + Equity | https://boards.greenhouse.io/beautifulai/jobs/4617650007

4. Senior Lifecycle Marketing Manager | 120k - 150k Base Salary + Equity | https://boards.greenhouse.io/beautifulai/jobs/4588688007

5. Head of Enterprise Revenue & Go-To-Market | 225k - 250k Base Salary + Equity | https://boards.greenhouse.io/beautifulai/jobs/4622705007

Rechat | API Engineer & More | Remote

Rechat is the leading AI-powered operating platform for real estate brokers and agents. Think Shopify for real estate—a mobile-first super app with marketing automation, workflow management, and everything agents and brokers need to run their business in one place. We’re a small, sharp team building a big, sophisticated product without the usual corporate nonsense.

Why You’ll Like It Here:

Remote-first with flexible hours Minimal meetings—we focus on real work No tech hype-chasing—we use the right tools, not the latest trends Flat team structure—no layers of bureaucracy Who We’re Looking For:

Senior Frontend Engineer (TypeScript, React) – Own the UI and craft intuitive experiences Senior Backend Engineer (Node.js, PostgreSQL) – Build and refine our robust, high-performance backend If you thrive in small teams solving big technical challenges, reach out to Email is hidden.

AVAYL | Full-Stack Engineer | Onsite (Berlin) | Full-Time | avayl.tech

We're transforming Medical Information in life sciences with AI-driven solutions, enabling companies to keep pace with evidence generation and optimize interactions with healthcare professionals and patients. Backed by VCs and unicorn founders, we're building the next generation of tools to modernize how medical information is managed and delivered.

We're looking for a highly skilled and passionate Full-Stack Developer to join our engineering team. In this role, you will be instrumental in building and scaling our AI-native SaaS (Vue.js/Flask/MongoDB), working closely with our co-founder and CTO.

Apply here https://www.avayl.tech/jobs/fullstack or email us at Email is hidden

Upstream (YC S23) | Founding Engineers (mobile, product) | Full-Time | ONSITE | Paris | €75K-€100K

We went through YC and raised a $3 million pre-seed round from amazing investors.

Upstream is a modern email client that lets teammates communicate with efficiency and ease. In a world dominated by Slack, where chit-chat never stops, we believe that teams deserve a tool that lets them create the structure and organization that make them productive.

As a founding engineer at Upstream, you’ll play a fundamental role in shaping the company and the product. This role will be primarily hands-on building.

Founding Mobile Engineer:

- Develop React Native iOS and Android apps that are efficient, reliable, and optimized

- Take the app from a concept, to a prototype, and ultimately to production-ready software, and ship it to lots of people

Founding Product Engineer:

- Develop a fast & reliable email application across mobile and web

- Build production-ready software, and ship it to lots of people

- Be pragmatic in determining which tech investments to make now versus later

Apply here https://www.ycombinator.com/companies/upstream