Terrabase | Remote | Full-time | https://terrabase.ai/

We’re building long-horizon agentic analytics for real enterprises. Systems that reason over messy data, run multi-step workflows, and produce decisions that can be trusted.

Agents that plan, execute, recover, and explain why an answer is correct.

Senior Software Engineer (TypeScript): Build workflow orchestration systems, schedulers, and execution engines. Own Node.js services + React UIs end-to-end. Reqs: 5–8+ yrs TS/Node/React, event-driven systems, queues, Docker. Bonus: Temporal, n8n, Airflow, Dagster, multi-tenant SaaS.

Senior AI Engineer (Python): Build production LLM agent systems: orchestration, tool use, evals, RAG, safety, observability. Reqs: Strong Python, agent frameworks (LangChain or similar), FastAPI, Docker.

Email me (I am the CTO): jainit@terrabase.ai. Please mention "HN" in the subject and include your GitHub.

Foundation Source | Remote (US, Canada) | Full-time

We're expanding our team and looking for passionate individuals to join us in building innovative solutions for philanthropy in the DAF team (we provide the technology that runs the Charityvest DAF). Our current openings include:

Senior Software Engineer, Back-end, DAFs: Design and implement core products for our Donor-Advised Fund (DAF) offerings, using a modern fully serverless event-driven architecture in AWS with TypeScript and Postgres.

Senior Software Engineer, Front-end, DAFs: Craft exceptional, high-performing user interfaces for our DAF platform, using modern React 18+ and Next.js 14+ features.

If you're passionate about fintech and making a meaningful impact in the world of charitable giving, we'd love to hear from you.

Feel free to email me your LinkedIn and I'd be happy to share more details: edmundo+hn [at] charityvest [dot] org

Comulate | Senior Engineer (3+ YoE) | ONSITE in San Francisco, CA

We're building automation software for the $7T insurance industry, accelerated by AI. Seed stage in terms of headcount (~ 20 people) but Series B in terms of business traction (+ cash-flow positive). We've intentionally stayed under the radar.

- Product has caused customers to literally cry tears of joy

- Experienced eng team from Airbnb / Brex / LiveRamp

- Stack: TS, Postgres, React, GraphQL, and Next.js

Apply here: https://comulate.com/careers

Tamarind Bio | Software Engineer | San Francisco ONSITE | https://www.tamarind.bio/

Tamarind hosts AI drug discovery models for biotech/pharma researchers. We’re building the infrastructure to power R&D in pharma companies and enable them to harness the latest advancements in computational biology, such as molecular ML models like AlphaFold.

We're hiring engineers who are excited to scale GPU inference, design intuitive applications for scientists, and build secure enterprise-grade software. We’re a series A company started 2 years ago, and have 10x’d revenue within the past year. We’re used by 7 of the top 20 pharma, dozens of biotechs, and tens of thousands of scientists. We’re hiring for a variety of engineering roles, including generalist software engineers and infrastructure engineers. We value ownership, moving quickly, and a focus on customer needs.

Stack: AWS, Python, React, Javascript, Kubernetes

Apply here: https://www.ycombinator.com/companies/tamarind-bio/jobs or email me at sherry@tamarind.bio.

[PALTOWN Development Foundation] | Full Stack Developer - HIPAA Project | Remote | Contract $35-50K

Cancer patient support and education nonprofit needs experienced full-stack dev for meaningful 10-12 week contract.

PROJECT: Build secure, mobile-friendly front-end for Airtable database with SSO integration (Hivebrite), (potentially) HIPAA-compliant AWS hosting with BAA, and PDF export functionality.

STACK: Your recommendation (we prefer React/Vue + Node.js/Python, AWS with HIPAA compliance)

REQUIREMENTS: * HIPAA-compliant app development experience * SSO/IdP implementation * AWS with Business Associate Agreement setup * Airtable API integration * Clear communication with non-technical stakeholders

SCALE: Small, includes de-identified patient information, straightforward data interface

WHY IT MATTERS: Help cancer patients find treatment options that could extend their lives.

Details here: https://docs.google.com/document/d/1Z8fWTmDHJndBDH11sz8_707B...

Prompt Health| Senior Full Stack Engineer, Senior DevOps Engineer, Support Engineer | REMOTE (US)

Prompt Health is a fast-growing Healthcare SaaS company with over $100M in ARR, growing 100%+ YoY. We build software used by large healthcare organizations to operate more efficiently and deliver better patient care.

We ship hundreds of features and products each year with a small, highly collaborative engineering and product team. Engineers have real ownership, work closely with product and customers, and influence technical direction.

Roles

Senior Full Stack Software Engineer: $200k-$225k Build and scale core B2B SaaS product features. Work across frontend, backend, APIs, and data. Collaborate closely with product and design. Tech: PHP (Laravel), Vue.js, MySQL, AWS. High-traffic B2B SaaS

Senior DevOps Engineer: $200k-$225k Own cloud infrastructure, CI/CD, reliability, and observability. Improve deployment speed, system stability, and security. Tech: AWS, Kubernetes, Terraform, CI/CD, Datadog

Support Engineer: $90k-$125k Debug complex production issues. Work closely with customers and engineering to identify root causes and improve the product. Tech:PHP/Python, SQL, REST APIs, AWS

Competitive compensation, equity, and benefits. We are actively hiring and will respond to applicants!

Apply here: https://www.prompthealth.com/careers#list

Topliner - Senior Fullstack Developer (Node.js / Laravel / React+TS / AI Integrations) - Remote - $80k/year https://topliner.app

We’re building Topliner, an AI-powered platform for executive search.

What you’ll work on: - Integrations with Loxo, Metaview, GetSales, Calendly - API design, background jobs, and sync pipelines - Auth flows, queue processing, caching - React+TS interfaces

Requirements: - 5+ years fullstack experience - Strong Node.js, Laravel/PHP, React+TS - API integrations, OAuth, async jobs - Understanding of scalable systems and data pipelines - Fluent English

Compensation: - $80k/year - Remote - Part-time → full-time path - Equity potential

Apply here >>> https://topliner.app/careers

Nova Credit | Remote (US, Canada)

We're building a unified platform for credit and financial data to power financial inclusion globally. Our mission is to unlock economic opportunities for consumers historically excluded from traditional credit systems by transforming diverse data into actionable risk insights. We are YC company backed by investors from Canapi Ventures, Kleiner Perkins, General Catalyst, and Index Ventures

-> Hiring software engineers from Mid-Level to Staff

-> Tech stack: Node.js, React, TypeScript, Python, PostgreSQL, AWS

You'll work on enterprise-grade APIs, data integrations, advanced analytics, and seamless user experiences. We're looking for engineers who thrive in fast-paced environments and want to make a meaningful impact on financial inclusion.

Apply at https://job-boards.greenhouse.io/novacredit and mention HN.

ASBL | Mobile Engineers, Devops Engineers and Engineering managers | Hyderabad, India | ONSITE | 35-90L INR We're a fast-growing, profitable proptech company in India, using technology to solve deeply complex problems in the construction and real estate space. Our mission is to build high-quality homes and deliver them on time—a massive challenge in this industry. Your code directly impacts everything from our supply chain and project management to the final home-buying experience for families. We're looking for product-minded engineers who want to own problems end-to-end in a high-impact environment. We use cursor and are AI first.

Stack: React, Angular, TypeScript, Node.js/FastAPI, Postgres, Redis, Docker, GitHub Actions, AWS/GCP, OpenTelemetry.

Culture: AI-native (everyone uses Cursor/Copilot), small teams, high ownership, fast iteration.

Learn more and apply at: asbl.in/careers/software-engineering. Please mention you saw us on Hacker News.

eventfirst | Senior Full-Stack Engineer | Berlin, Germany | REMOTE (CET) | Full-time

We are applying AI to organize corporate events.

We are looking for a senior engineer with at least ten years of full stack experience, a strong focus on product and UX, and optionally some experience building LLM based products. Currently we are focussed on building tooling that enables us to capture domain knowledge from experts to streamline prompt creation and evaluation. Our tech stack is Typescript, React, Next.js and Tailwind. On the backend we use Drizzle with Neon, deployed and monitored via Vercel. We have pre-seed funding from a major US VC and are experienced founders. You’ll be working alongside the founders (ex-Apple, ex-Airbnb, ex-Tulip, ex-Tourlane) and will have a chance to shape the company, product and of course the engineering culture.

Apply here: https://eventfirst.jobs.personio.com/job/1646275

Artificial Analysis | https://artificialanalysis.ai | Full Stack Engineer, ML Engineer, Member of Technical Staff | Onsite in San Francisco or in Australia/New Zealand | Competitive Salary + Equity Artificial Analysis is an independent AI benchmarking and insights provider. We benchmark AI to help engineers and companies understand AI and make informed decisions regarding which AI technologies to use. We are fast growing with a team of 20 and have backing from investors including Nat Friedman, Daniel Gross & Andrew Ng.

We are hiring for four roles:

1. Full Stack Engineer: Full Stack Engineer to support our benchmarking of AI and with communicating these benchmarks to our users. Proficiency in Typescript & Python required. Familiarity with LLM APIs preferred. Tech stack: Javascript/Typescript, Node.js, React/Next.js, Python.

2. ML Engineer: ML Engineer to support our benchmarking and evaluation of AI software stack. You will design and run benchmarks and evaluations of different AI models. Strong analytical skills and proficiency in Python required.

3. Member of Technical Staff: You will develop benchmarks to test AI models and work to translate technical insights to analysis that helps companies navigate AI.

Apply at hiring (-at-) artificialanalysis.ai with your resume, github and dot points on relevant experience (including anything you've built). Add | HackerNews to email subject line.

Rainbow Insurance (https://www.userainbow.com) | Backend Software Engineer | Full Time | Hybrid (2 days on-site in San Francisco) | Golang

Rainbow is a tech-enabled small-business insurer. We built software that underwrites small businesses (starting with restaurants) and evaluates them against various risks to provide them with insurance policies. We've been live for only 2.5 years but already one of the top insurers of restaurants in the US. We are looking for an experienced software engineer to join our team and help us grow and innovate. We've raised around $20m to date with a series A around end of 2024. We've grown massively over the past year. Most of our problems we're currently working on are about building tech as we expand out to other categories of insurance and insuring other types of businesses.

Job Requirements:

- 5+ years of professional experience as a software engineer

- Experience in fintech is an optional but major plus

- Familiarity with our tech stack (Golang, React through a Next.js app, GraphQL, PostgreSQL) is beneficial but not required

Why You’d Enjoy Working with Us:

- You're joining a small fast paced team: 12 engineers, 40 people total

- Direct impact on solving real-world problems for small businesses

- Hybrid work model with 2 days on-site in SF

- Competitive salary and benefits

If interested, please reach out at hn@userainbow.com with your resume attached to the email.

You can also visit our site to learn more: https://www.userainbow.com/about

OmniAI (YC W24) | https://getomni.ai | Full Stack Engineers | SF In-Person | Full Time | $125k–$175k • 0.50%–1.50%

Tech stack: TypeScript | Node | React/Next.js | Postgres | Docker | K8s | LLMs

We’re building the AI-powered infrastructure layer for small-business lending. Banks and fintechs use Omni to automate document collection, financial modeling, public-record research, and ongoing borrower communication.

You’ll work on:

1. Wrangling messy PDFs into usable data (we built a major open-source extraction library: https://github.com/getomni-ai/zerox)

2. Aggregating millions of datapoints from 50+ public sources (UCCs, liens, licenses, tax records) + credit/KYC/AML data

3. Building real-time financial models that combine OCR, LLMs, and rule-based systems into predictable outputs

We’re early, you’ll have a huge impact. Email me (my name at the URL) or apply here: https://www.ycombinator.com/companies/omniai/jobs/Dr0GIaE-fu...

Featurebase | Full-stack Product Engineer | REMOTE (EU) | Full-time

Featurebase is a modern customer support & product feedback platform powering thousands of teams, including Lovable, Raycast, and n8n. Fully bootstrapped, profitable, and growing fast.

We’re building a full customer-facing suite where teams can handle their customer support, feedback prioritization, and product updates - all in one place.

We’re looking for a full-stack product engineer to own and ship core product features end-to-end, with a direct impact on Featurebase’s future.

Stack: NextJS + Typescript for the frontend, Node.js for the backend, MongoDB, Redis.

If you like small teams, autonomy, and shipping meaningful product work, we’d love to have you on board!

Apply here (we read every submission): https://go.featurebase.app/careers

Scorecard | Founding Engineers & GTM | San Francisco | ONSITE | Full-time | scorecard.io

Scorecard is the simulation platform for self-improving AI agents. We help teams encode expert judgment into reward models and run 10,000s of scenarios in minutes instead of reviewing 10s of production cases over weeks.

Our team built simulation systems at Waymo, Uber ATG, and SpaceX. Same discipline, applied to AI agents. Backed by Kindred Ventures and Neo, with multi-billion dollar customers.

Founding Software Engineer ($175k-$250k + equity)

Build infrastructure for large-scale agent simulation, reward model pipelines, and scenario generation. Ship fast with a low-ego team.

Stack: TypeScript, React, Node.js, Postgres. Bonus: LLM/RL experience, founder background.

https://www.scorecard.io/careers/software-engineer

Founding GTM Lead

Own demos, sales playbook, and positioning for AI teams building frontier agents. 3+ years early-stage sales/product marketing. AI/developer tools experience a plus.

https://www.scorecard.io/careers/founding-gtm

In-person in SoMa. Full benefits, daily lunch, unlimited PTO.

Apply: jobs [at] scorecard.io (mention HN)

Pelairo Inc. | Senior Full Stack Developer | REMOTE (US Only) | Full-time | $100-150k

At Pelairo we're building the most intuitive and flexible Laboratory Information Management System (LIMS) on the market. "Manage the lab, not the LIMS!"

After a successful hire from our post in November, we're back! We're looking for a hands-on Senior Full Stack Developer to help design and deliver core product experiences across our stack (TypeScript + NestJS on the backend and Next.js on the frontend.) You'll work on customer-facing workflows, turning ambiguity into shippable slices, and helping us level up reliability, security, and speed as we scale.

What you'll do:

    - Build features: implement and ship production ready functionality across frontend and backend (TypeScript, Next.js, NestJS).

    - Backend: contribute heavily to APIs, data models, and integrations that power questionnaire-driven workflows and FHIR pipelines.

    - Frontend: build intuitive, configurable UI modules for complex healthcare workflows, collaborate closely with Product and domain experts.

    - Quality & reliability: contribute to testing strategy (unit/integration/contract/E2E), safe migrations, and rollouts (feature flags).

    - Observability & performance: instrument tracing/metrics/logging, improve dashboards/alerts, and participate in incident reviews and follow-ups.
    - Engineering excellence: raise the bar through strong code reviews, pragmatic standards, and improvements to the developer experience.

    - FHIR correctness: help ensure backend transformations produce valid FHIR resources in Medplum and support scalable data flows.

What makes you a great fit:

    - 7+ years building production web applications (frontend + backend) in a fast-moving environment.

    - Strong TypeScript + Node.js experience and solid production exposure to NestJS (or comparable backend frameworks with willingness to ramp quickly).

    - Strong experience with modern React-based frontend development (React / Next.js) and comfort owning UI implementation details.

    - Experience shipping ambiguous projects end-to-end with good judgment, pragmatism, and clear communication.

    - Familiar with building secure systems and thoughtful about reliability, testing, and performance.

Bonuses:

    - Experience with FHIR / Medplum, healthcare data workflows, or LIMS/clinical systems.

    - Familiarity with HIPAA and/or SOC 2 practices.

    - AWS experience (e.g., Cognito, Fargate) and comfort working in cloud-native environments.

Stack: TypeScript (Next.js + NestJS), Medplum, AWS (Cognito, Fargate) Visa/relocation: No

How to apply: Email hiring [@] pelairo.com and mention "HN Who's Hiring January 2026." (We know our website needs some work, but the product is our priority right now.)

Count | Senior Software Engineer | REMOTE (UK/Europe/US East Coast) | Full-time | £100–140k (or local equivalent) + Equity | https://count.co

Count is an infinite, real-time canvas where SQL, Python, and low-code query cells live side-by-side with visualizations and freeform whiteboarding. It replaces the traditional linear notebook with a collaborative space for modeling, analysis, and presentation.

Under the hood, we've built a custom WebGL rendering engine, data visualization library, graph-based modeling layer, and horizontally scalable compute engine (DuckDB-based) that dynamically shifts execution between browser and server to minimize latency and reduce database load.

You'll help evolve the core platform: integrating agentic workflows into data exploration, pushing the performance limits of our distributed execution layer, and building powerful new analytics experiences used daily by customers. You'll have high autonomy and ownership over major parts of the product and technical roadmap, from architecture through production.

Tech stack: TypeScript, Python, Node.js, WebAssembly, WebGL, Apache Arrow/Parquet, DuckDB, Kubernetes, React.

Apply here: https://jobs.ashbyhq.com/count

RecruitiFi | Software Engineer (Full-stack) | REMOTE (US) | Full-time | $130k–$160k

RecruitiFi is a vendor management platform connecting companies with 20,000+ recruiting agencies globally. Two-sided marketplace, complex workflow automation, integrations with major ATS/HRIS platforms.

Small team. You'll own features from schema to UI.

Stack: Ruby on Rails, GraphQL, React, Next.js, PostgreSQL, Redis. Hiring process: Intro call -> technical interviews (no leetcode) -> founder chat. We respond to everyone.

Looking for: 4+ years building production web apps (or equivalent demonstrated ability), strong Rails or comparable backend framework, modern React, solid SQL.

Fully remote for 7 years, not a pandemic pivot. On-call rotation exists but pages are rare. Twice-yearly team retreats.

Apply: https://tally.so/r/9q9N1G

Thothmind | Software Engineers (Backend, Frontend) | REMOTE (Global) | Full-time | https://thothmind.ai

  What we're building:
  - Strategy simulation engine with real market data
  - AI-powered agents for strategy generation and analysis
  - High-performance data pipelines and analytics

  We're hiring:

  Backend Engineer:
  - Python or C++, API design (REST)
  - Database design (SQL/NoSQL), data processing at scale
  - Interest in financial systems/trading is a plus

  Frontend Engineer:
  - TypeScript, React, Next.js
  - LLM/AI integrations (OpenAI API, LangChain, or similar)
  - Performance-focused, clean UI architecture

  Why join:
  - Fully remote, anywhere in the world
  - Work on non-trivial problems—trading simulations, AI agents, real-time data
  - Small team, high ownership, real impact
  - Competitive compensation

  Apply: https://thothmind.ai/careers

Brave Software | C++ Engineer, Filterlist Engineer | REMOTE | Full-time

Brave is building a privacy-first browser and a more transparent Web for over 100M users.

On the privacy team, we are looking for:

- C++ Engineer: Working on privacy features in our Chromium-based core engine. Link: https://job-boards.greenhouse.io/brave/jobs/7339167

- Filterlist Engineer: Working on adblocking and JavaScript fixes for websites. Link: https://job-boards.greenhouse.io/brave/jobs/7434948

We are a remote-friendly company with a very-low-meeting culture.

Contact: shivan at brave dot com