Estuary | US Based (Some flexibility with location for the right candidate) / Remote | Full-time – https://estuary.dev/

Estuary is a VC-backed startup building the next generation of real-time data infrastructure. Our platform, Estuary Flow, combines change data capture (CDC), stream processing, and declarative configuration to unify real-time and batch data movement.

We’re open-source, developer-first, and focused on making data engineering radically simpler.

We’re a small, high-trust team with deep experience in distributed systems, stream processing, and data tooling — and we’re growing.

We’re hiring for:

Senior Backend Engineer (Integrations) – 5+ years of backend engineering experience. Proficiency in Go...Rust is a big bonus!

Own and scale high-impact systems that power real-time data pipelines. You’ll work on complex integrations with external APIs and databases, improve our internal connector frameworks, and tackle deep challenges in performance, reliability, and developer experience.

Backend Engineer (Integrations) – 2–4 years of backend experience. Help expand and maintain our catalog of real-time data connectors using Python. You’ll work closely with experienced engineers to build and optimize integrations with third-party systems, while deepening your skills in infrastructure and stream processing.

What we’re looking for:

We’re looking for engineers who care about building reliable, maintainable systems and enjoy working with complex APIs and data flows. We value curiosity, clear communication, and a willingness to learn.

Bonus points for experience with CDC tools, open source contributions, or fast-paced startups.

To apply: Email your resume to Email is hidden

Blueberry Pediatrics | Full-stack Senior or Staff Engineer | REMOTE (US only)

American healthcare is seldom affordable, accessible, or high-quality. We are fixing this for pediatrics. Blueberry is the most affordable option amongst our competitors. We practice the highest quality pediatric telemedicine, as evidenced by our exclusive hiring of board-certified pediatricians and the usage of at-home medical kits. And, we’re accessible 24 hours a day.

Our success is shown in the lives we save, the costs we save our insurers, and our exploding B2B and D2C business.

As you can imagine, pulling off affordable high-quality healthcare is a challenge. It requires a lot of engineering ingenuity, a C-suite aligned with positive patient outcomes above short-term profits, and a great product team.

We use Django, Hotwire Turbo (an HTMX-like framework), Pytorch, Sklearn, and Flutter. Experience in these technologies helps, but what’s more important is general full-stack knowledge, curiosity, and a strong work ethic.

Full-stack engineer: https://jobs.ashbyhq.com/blueberrypediatrics/dc8108f3-34ed-4...

Our homepage: https://blueberrypediatrics.com/

Our engineering blog: https://engineering.blueberrypediatrics.blog/

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Peregrine Technologies | Senior Software Engineers | SF / NYC / DC - Hybrid | Full-time | $130,000 - $250,000

Join our founding Engineering and Product teams. Peregrine helps critical institutions make better decisions and improve operations by unlocking the value of their data.

[Leadership] Engineering Manager https://grnh.se/s7yxefzs5us

[Leadership] Engineering Manager, AI https://grnh.se/0w7ot24o5us

Senior Software Engineer, AI https://grnh.se/yl9kuqrg5us

Senior Software Engineer https://grnh.se/gwf63pot5us

Senior Infrastructure Engineer https://grnh.se/vvkanme45us

Senior Network Engineer https://grnh.se/xln6w1hc5us

Senior Product Designer https://grnh.se/s96svypy5us

Design Engineer https://grnh.se/z8ev1cgu5us

Product Manager https://grnh.se/kyvpq2ww5us

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.

Borrowell | Development Roles | Remote across Canada with office in Toronto | Full Time, Permanent, Benefits from Day 1

Who we are:

Borrowell pioneered free credit scores for all Canadians in 2017 and now we’re focusing on building net new products that will be the first of their kind in Canada. With more than 3 million members, Borrowell is one of the largest fintech companies in Canada. Our team is diverse, inclusive, and driven by a shared passion for making a meaningful difference in the lives of Canadians. We pride ourselves on fostering a culture of collaboration, humility, and innovation. If you’re looking to join a company that’s transforming the financial landscape and empowering Canadians to achieve their financial aspirations, we invite you to explore career opportunities at Borrowell. Together, we can help Canadians feel confident about money.

Who we are hiring:

Full Stack Developer https://apply.workable.com/borrowell/j/c4f227275d/

Test Automation Developer https://apply.workable.com/borrowell/j/99080e34cb/

https://borrowell.com/careers

Smarkets (https://www.smarkets.com) | Full Time | Hybrid - Onsite (London, UK)

Smarkets is a betting exchange for sports and political trading that has handled over £37 billion in volume since 2010. Our company mission is to fix the betting industry with the best products and best prices.

We are currently looking for:

Lead Software Engineer - Backend, Distributed Systems, Rust - https://smarkets.com/job/41fba25f-0896-46d5-a093-8ebbc9e1624...

Senior Software Engineer - Backend, Rust, Python - https://smarkets.com/job/b8ef2330-b024-4f29-b55d-3269e1df76e...

Software Engineer - Backend, Python, Rust - https://smarkets.com/job/aaaf901f-77c0-4b35-9240-ed4cfa668ba...

Senior Quantitative Developer - https://smarkets.com/job/5502cdbe-6246-47ec-890b-2f2817e3cf1...

Checkly | Senior Product Engineer AI | REMOTE (UTC +3 to UTC -3) | Full time | €84k - €103k + equity | https://www.checklyhq.com/

Checkly helps engineers build reliable products by unifying testing, monitoring and observability. OpenTelemetry, Playwright, and Monitoring as Code are our foundation for unifying performance and reliability. In 2024, we raised $20M in Series B funding from Balderton, CRV, and Accel to take things to the next level. We’re looking for an Senior Product Engineer AI to design & build AI agents and AI enhanced features iteratively that help our customers debug, fix and create Playwright and API tests faster as well as implement solutions full stack with the team.

See the full description and apply here (and mention HN): https://jobs.ashbyhq.com/checkly/afd46503-2adb-423e-a2ff-096...

Calico | Senior Engineer | Boston, MA, USA (only) | Hybrid

Calico is a digital assets aggregation startup being incubated by Fidelity Labs. We offer the unique chance to have the same impact and freedom to build that a startup does, while having the same stability as a large firm. We're looking for a seasoned senior backend or full-stack engineer with a collaborative personality and eye for clean code to help build out our team and our aggregation API platform.

Our stack at the moment is React/TypeScript/NodeJs/Postgres, though if you're good at Solidity, you should also reach out.

Apply here: https://wd1.myworkdaysite.com/en-us/recruiting/fmr/fidelityc...

And if you do, send me an email at Email is hidden so I know to keep an eye out for your application.

Hackensack Meridian Health | Remote (US only) | Contract-to-hire

Sr. Software Engineer

We are looking for a seasoned developer and engineer to join our team and help us build out our data pipelines, full-stack web applications, and AI solutions in Python and Typescript on Google Cloud.

Sr. Data Scientist

We are looking for a data scientist with significant experience in developing LLM-based solutions and pipelines on Google Cloud.

HMH is NJ's largest healthcare provider, has a strategic partnership with Google Cloud, and is leading the country in building cloud-native tools and solutions to improve healthcare provider experiences and patient care. Great opportunity here to make a difference in improving the lives of healthcare providers, the patients they care for, and the other teams in the hospital system that depend on the solutions we are building.

Reach out to me directly at "michael dot stubna at hmhn dot org"