Tango Me | Senior Backend / Frontend / Android / QA | Limassol, Cyprus | Hybrid | Relocation

Tango is a live-streaming platform with 400M+ registered users — high-scale B2C at the intersection of video streaming, creator economy, and social features. I'm an Engineering Manager building two product teams focused on activation and retention. Looking for engineers who take ownership and push back when something doesn't make sense. Backend: Java 17–21, Spring Boot, GCP, Apache Kafka, MySQL, Redis, Aerospike Frontend: React 16+ (hooks), TypeScript/ES6+, Redux + Redux Toolkit, SASS, Jest Android: Kotlin/Java, Dagger2, Compose UI, Kotlin Flows, Coroutines Open roles:

Senior Backend Engineer Senior Frontend Engineer Senior Android Engineer QA Engineer (automation-focused)

Relocation to Limassol, Cyprus: full relocation package, work permit + residence permit for spouse, hybrid (1 remote day/week), stock options, competitive salary + performance bonus, medical insurance, meals in office. Careers: https://business.tango.me/careers Direct contact: https://t.me/joetribbb

Eequ | Senior Backend Engineer | Remote (UK) | Full-time | £80k–£110k | Node.js, NestJS, TypeScript, MySQL, AWS, Terraform

Join a disciplined, senior team responsible for the platform behind Eequ, where engineers have real ownership and operate with high autonomy.

We are the market-leading supplier to local authorities in the UK for council-funded activity programmes and we also serve thousands of independent providers. Our platform handles bookings, payments, and sensitive data at scale. We are profitable, bootstrapped, and growing.

What you'll do Build and operate the backend platform that powers a real marketplace handling bookings, payments, and reporting for thousands of families and providers.

Design and ship features from API design through database models to deployment Make architectural decisions and communicate them clearly to the team Own our AWS infrastructure, CI/CD pipelines, and keep production healthy with observability and alerting Lead incident response when things break, find root causes, and drive follow-ups Improve database performance, query patterns, and data pipeline as usage grows.

Stack: Node.js, NestJS, TypeScript, MySQL with TypeORM, Redis, AWS (EC2, RDS, S3, CloudWatch), Terraform, Turborepo monorepo.

Apply via eequ.org/careers or email directly: avida@eequ.org

Solace Health | Multiple Engineering Roles | REMOTE (US) | Full-time | No visa sponsorship offered

We're hiring Typescript Engineers on all our core groups as we're poised to double the size of our 90-person Engineering team this year.

We're Solace Health. In four years, we've provided free healthcare advocacy to over 225K patients on Medicare, and soon we're opening access to everyone in the US. We exist to make sure nobody in the US has to navigate their healthcare journey alone. We hit Unicorn status after our February Series-C led by IVP, bringing us to $207M raised and a $1B valuation. Compensation and benefits are highly competitive and includes equity!

Open Roles

- Senior Full Stack Engineer ($150k-$200k)

- Senior Backend Engineer ($150k-$200k)

- Staff Software Engineer ($200k-$225k, Fullstack or Backend lean)

- Technical Lead ($200k-$230k, player/coach people managers)

Tech Stack

Typescript with ReactJS and NodeJS plus NestJS, PostgreSQL, GCP, SQL, TypeORM, and shadcn for our UI Library

APPLY HERE

https://jobs.ashbyhq.com/Solace?utm_source=x4QJmBQEg7

If you want to build fast with high autonomy and believe in strong typing as much as we do, we'd love to hear from you!

Greenhouse Software | Engineering Manager (Analytics Product) | REMOTE (Ontario or BC, Canada) | Full-time | We're unable to support sponsorship at this time.

Greenhouse is the company dedicated to making hiring work for everyone. We help over 7,000 companies meet their hiring goals, and over a million job seekers find their next job with our MyGreenhouse product.

The Role: We're looking for a hands-on Engineering Manager to lead our Data Experience team of 7. This team owns our full user-facing reporting and analytics product. It's a high-impact role where you'll lead the strategy for how our customers visualize and interact with their hiring data at scale.

Our Tech Stack: Ruby on Rails, JavaScript, TypeScript, React.

Requirements: - 5+ years of experience as a product-focused full-stack software engineer; 1+ year of people management experience. - Deep understanding of RESTful API design principles and distributed system architecture - Demonstrated proficiency in modern programming languages/frameworks (preferably Ruby/Rails, JS, TS, React) - Demonstrated ability to manage cross functional collaboration with Product and Design - Demonstrated knowledge of SDLC fundamentals

Compensation: National pay range: $142,700 - $214,100 CAD

If you're interested, please apply directly through the job posting: https://grnh.se/jmara1dr1us

Deepline | NYC (ONSITE) | Founding Full-stack Engineers and Forward Deployed Engineers | $160k–$220k + meaningful equity

User interfaces are dead. Knowledge workers will exclusively work through agent interfaces like Claude Code/Cowork. We've built the interface layer to enable that.

One API that unifies hundreds of data providers, workflows, and data infrastructure to agents like Claude Code. We shipped our mvp last month; hundreds of early adopters signed up and are using Deepline.

You’d build core platform: agent-facing abstractions, infrastructure, UI. TypeScript/Python/Next.js/Postgres. $3.3M raised from Lerer Hippeau + Looker founding team. Technical founding team from Uber, Lyft, Capchase, MIT Lincoln Lab, Waterloo.

https://code.deepline.com/careers

HostGPO | Full-time | Remote | $200,000 - $240,000 / yr + equity

We’re looking for a Lead Engineer to help shape the future of HostGPO’s platform, data systems, and technical direction. This person will be a senior builder and technical leader - someone who can architect and ship scalable systems, navigate messy real-world business logic, and partner across the organization to solve problems.

- Strong full-stack fluency, with particular preference for Python, JavaScript/TypeScript, and React - Experience building and scaling backend systems, APIs, data platforms, and large-scale web applications - Experience with GraphQL and modern application architecture

Apply here on LinkedIn: https://lnkd.in/ezEQr_FX

RDE Advisors | Senior Full-Stack Engineer | REMOTE (Europe, LatAm, India) | CONTRACT | $4K–6K USD/mo

We're a boutique commercial real estate advisory in NYC building two production web applications: a CRE search platform and a property management platform with QuickBooks integration. Both are live with real users. Stack is Next.js 14, TypeScript, Supabase/Postgres, Prisma, Anthropic Claude API, Mapbox, Vercel + Contabo.

Hiring one senior full-stack engineer to take both products from early-stage to production-mature. You'll work directly with the founder — no engineering managers, no PMs, no committees. 35–40 hrs/week, 6-month minimum, exclusive. Rate is $4,000–5,000 USD/mo for India-based engineers and $5,000–6,000 USD/mo for engineers in Europe or Latin America.

Requirements: 5+ years full-stack, 3+ shipping production web apps, strong Next.js/React + TypeScript, shipped at least one production LLM integration (Claude preferred, OpenAI fine), 2+ hours daily overlap with NYC, available for a 30-min video check-in every weekday at 9:30am ET. This is a product engineering role that calls the Claude API, not an ML/research role.

Non-negotiables: you personally write 100% of the code (no subcontracting, no "my team"), video on for all calls, personal verified GitHub, Hubstaff time tracking, ID check + one prior-client video reference before contract signing.

Apply: https://forms.office.com/Pages/ResponsePage.aspx?id=bw3hQziC...

We respond to qualified applicants within one week. No DMs — please apply through the form.

Turquoise Health is a series C HealthTech startup, spread out remotely across the USA.

We are hiring for full time software engineers for our product engineering team to tackle the black hole of what is now America's healthcare revenue cycle. If you are a high performing full stack engineer who can be collaborative, innovative yet operates with no ego then we want you.

Our tech stack here is as follows: Python, Django, FastAPI, React, Typescript, Vue.Js etc

Engineering Manager, Data Products: https://jobs.ashbyhq.com/turquoise-health/e3b8b4e7-d1a7-4329...

Sr SWE, Consumer- https://jobs.ashbyhq.com/turquoise-health/f0c47e0e-ff1a-480c...

Sr Swe, Contracts-https://jobs.ashbyhq.com/turquoise-health/1d3ec150-1bf0-45df...

Curie | AI Engineer | Hybrid (Chicago), Remote (San Francisco) | Full-time

Curie is a telehealth platform combining clinical expertise with AI to deliver personalized, accessible care — intelligent intake, treatment matching, and AI-powered tools for clinicians. Team includes ex-founders, clinicians, and engineers from Stanford, Harvard, UCLA, Berkeley, and AWS. Well-funded and growing fast.

We're hiring an AI Engineer to own the microservice layer powering our clinical AI: agentic intake workflows, RAG pipelines grounded in medical guidelines, session/memory management for long-running clinical agents, and HIPAA-grade observability and safety guardrails. You'll shape the AI architecture of a healthcare product from the ground up.

Stack: Langgraph, Langfuse, Go, Python, TS, GraphQL, gRPC/Connect-RPC, PostgreSQL, GCP/Vertex AI, AWS Bedrock.

Looking for: 5+ years engineering, meaningful production AI/ML experience, LLMs in production (prompting, structured output, evals), RAG and agentic patterns, comfort across Go + Python + cloud. Bonus: FHIR/HL7, fine-tuning, healthcare AI background, startup experience.

Apply: https://jobs.ashbyhq.com/curie/cea56a9a-d238-4101-a56c-f94a4...

Prosper AI | getprosper.ai | ONSITE Barcelona | Full-time

We build AI phone agents for US healthcare — insurance claims, benefit verification, scheduling. 300K+ calls/month, Series A closed, R&D fully in Barcelona.

Stack: Python, FastAPI, React/TypeScript. Small eng team, fast pace, real ownership.

Hiring for: - Senior Software Engineer: https://jobs.ashbyhq.com/prosper-ai/29fbeb7b-5673-498f-8333-... - Software Engineer: https://jobs.ashbyhq.com/prosper-ai/92f63920-a269-4039-8cf9-...

3–4 days onsite in Eixample. Stock options. ~2 week process.

Questions welcome, feel free to email our freelance recruiter Todora at hello@todora.co

BillionToOne (YC S17, NASDAQ: BLLN) | Menlo Park, CA | Onsite

We're a molecular diagnostics company. YC made a video of us recently: https://www.youtube.com/watch?v=kkv5rZhrLkc.

Our software team creates products that help detect prenatal genetic conditions non-invasively and uncover 50%+ more cancer treatment options. Your code reaches patients and the providers making decisions for them.

Stack: Python, React, TypeScript, AWS, Postgres. We believe in small teams with high ownership.

We're hiring:

- Senior Software Engineer (Prenatal, Oncology, Digital Experiences)

- Senior AI Engineer

- AI Engineering Intern

- Lead UX Designer / Designer

See our engineering specific recruiting page at https://engineering.billiontoone.com/#roles. You can reach out to me directly with a resume at kwu@billiontoone.com.

Colonist | Full-Stack Product Dev | Remote (Eastern Europe / SEA) | Full-time

Colonist (https://colonist.io/) is a multiplayer strategy game with millions of players. We're a small team and you'll own features end-to-end, from backend game logic to polished UI.

You'll work on evolving our game architecture, ensuring cleaner code boundaries and better scalability.

Stack: TypeScript, Node.js, React, CSS, PostgreSQL/SQL. We lean heavily on AI tooling for development.

More details and apply: https://jobs.ashbyhq.com/colonist/109d62c4-52f3-4980-9c49-d3...

Chestnut | Product Engineers (Backend / Full-Stack) | SF + Seattle (Hybrid) | https://jobs.ashbyhq.com/Chestnut

Chestnut builds the systems insurance carriers actually run their distribution business on. We replace spreadsheets, legacy vendor systems, and manual processes with real-time data, deterministic workflows, and AI-assisted tooling.

This is end-to-end product engineering.

You won’t just write APIs. You’ll design schemas, build backend logic, ship UI, deploy to production, and handle the sharp edges that show up with real customers. The problems are messy and state-heavy: payouts that must reconcile with finance, onboarding flows with regulatory constraints, dynamic hierarchies, retries, chargebacks, partial failures.

We care a lot about correctness. These systems move real money and cannot drift.

Stack: Go, TypeScript/React, Postgres, Temporal, Kubernetes, AWS

We use AI heavily in our workflow — for drafting, refactoring, test generation, and exploring solutions. We expect engineers to use it aggressively. We also expect you to understand what it’s doing, spot when it’s wrong, and maintain strong fundamentals. Taste matters.

You’ll likely thrive here if you: - Have 3–6 years building real product systems - Are strong in at least one typed language and comfortable picking up others - Enjoy owning features end-to-end - Think in terms of invariants, edge cases, and failure modes - Like shipping quickly but cleanly - Want to build systems that operate in production, not demos

We’re a small, high-agency team. You’ll have meaningful ownership and direct impact on customers.

Hybrid in SF and Seattle.

Questions or want to sanity-check fit: nick [at] chestnutfi [dot] com

Full-Stack Engineer (Python / React) , Remote

We’re working on building production AI systems , not demos ,focused on real-world workflows, data pipelines, and integrating LLM-based systems into usable products.

Stack: - Python (FastAPI) - React / TypeScript - AWS / PostgreSQL

Work includes: - designing backend systems and APIs - building and scaling LLM workflows (agents, pipelines, RAG) - handling real-world issues like latency, reliability, and hallucination control - integrating AI into product experiences end-to-end

Looking for engineers who: - have built production systems (not just prototypes) - are strong on backend design and data flow - have experience with AI/LLM systems in real use cases

Remote, async-friendly, with some overlap with US timezones preferred.

If interested, apply here: https://lnkd.in/dbiCSZhW

ThreatMark | Security, Machine Learning | REMOTE(World) / Brno, Czech Republic | Equity

ThreatMark protects >50M end users from finacial fraud and saves > $100M every year in losses. We are working with top banks in EU and US to protect their end users. We develop large-behavioral models that recognizes returning users by their mouse movements, keystroke timings and sensoric data (accelerometer, gyroscope).

We detect cyberthreats (e.g. malware, phishing, scraping) by exploiting browsers/sandboxes of devices. We manage ~PB scale of data and provide realtime scoring in milliseconds driving authentication/authorization flow (2nd factor).

Stack: [python, typescript, rust], [redis, postgresql], [aws, terraform] ...

We are looking for exceptional engineers to build with us and be part of the success:

- Backend Engineer [rust, python] - low-latency stream processing engine, rewrite python microservices to rust

- DevOps Engineer (IaaC in AWS)

If you are interested, please email us @ career@threatmark.com with subject "HN Who's Hiring"

If you don't find the right role here or at https://www.threatmark.com/careers/, write us anyway if you believe you can be good fit :)

Krystof Hilar, Co-Founder & CTO

Subsalt (getsubsalt.com) | Senior Product Engineer | Remote (US Only) | Full Time Much of the world's most valuable data — healthcare records, financial transactions, clinical trial data — can't be easily analyzed because it contains sensitive personal information. Today, access to this data is controlled through slow, manual governance processes that can take months to approve. Our goal is to make regulated datasets easy to analyze without exposing the people inside them.

We're looking for an ambitious senior software engineer to join our team. You'll be working directly with enterprise customers to design and extend the core building blocks of our system: scalable data pipelines (Python, Ray, Pytorch), backends (Typescript+Node+Graphql+Rust), agent interfaces (MCP, mem0, ???), and Kubernetes-based customer deployments (Helm, Terraform). The role is customer-facing, the product and mission are really ambitious, and you'll be helping to establish product priorities and company culture on top of your technical contributions.

Would love to chat if this sounds interesting - reach out to jobs at getsubsalt.com and mention HN, include your LinkedIn + Github + resume and briefly describe something you've worked on recently that you're excited about.

More info: https://wellfound.com/jobs/3994817-senior-product-engineer

Integral | Full Stack Developer or Technical PM | Remote (LATAM or US) | $40-90/hr | Contract | https://gointegral.co

Integral is a fractional CTO and AI transformation partnership for scaling businesses ($10M-$100M). We embed with clients as their technology team across strategy, architecture, and hands-on implementation. These are long-term retainer partnerships, not project work. We are a team of 4 today, scaling to 6-8 by the end of 2026.

We’re hiring for two roles:

Full Stack Developer | Remote | Full-time (~40 hrs/week) | LATAM or US

You ship features end-to-end across multiple client projects. Our clients do not have tech departments, so requirements come as business problems, not detailed tickets. You translate “customers need to see order history” into a working feature: data model, API, UI, and deployment.

AI is how we operate. Our team ships faster than teams 3x our size because we use Claude Code, Cursor, and AI-assisted workflows across every phase of development. If you are still writing every line by hand, this is not the right fit. We want developers who have fundamentally changed how they build software with AI.

Stack across clients: Next.js, React, TypeScript, Node.js, Supabase, Shopify, n8n, HubSpot, Vercel. You do not need to know all of these. You do need to pick them up fast.

Technical Project Manager | Remote (US) | Part-time (~25 hrs/week)

You own client relationships and delivery coordination: weekly syncs, Slack, email, ClickUp boards, and scope management. You need to be technically fluent enough to spot a bad estimate and explain trade-offs in business language, but you are not writing code.

An AI-native workflow is required for both roles. “I’ve tried ChatGPT a few times” is not what we’re looking for. We evaluate how you use AI tools daily across your real work.

To apply: email hiring@gointegral.co with which AI tools you use daily, a specific example of how AI changed your workflow, and, for the developer role, a link to something you have shipped. Please confirm you've seen the specified pay range or your application may not be processed.

StraighterLine (straighterline.com) | Staff Software Engineer (Full Stack) | Remote (US Only) | Full Time Our mission is to create opportunities for career advancement through access to affordable education. We are also the market leaders in early childhood (ECE) training and certifications. We are looking for two Staff Engineers to help lead development on next-generation AI-assisted learning platforms.

You will be building modern, API-driven, scalable services and applications with React/Next.js, TypeScript, Node.js, GraphQL, and AWS, using AI-native development practices. You will collaborate on architecture, shared services, internal tooling, and interface design, owning features from concept to production.

Competitive base salary, bonus and benefits (401k match).

Apply here: https://jobs.lever.co/straighterline/36d8f56b-14ac-4a35-af0c... and please mention HN under Additional Information. To get full attention, also send your resume, github, and linkedin profiles to hr at straighterline.com with subject line Hacker News.

Temper | Founding Engineer | SF (In-Person) | $150K–$250K + Equity | https://ontemper.com Every time two companies in the physical economy need to exchange data, someone builds a custom integration by hand. Analysts, engineers, QA. All manual. Every time. Google "EDI" if you haven't. It's wild.

We built AI agents that do the whole thing: gather requirements in plain English, write the integration code, test it, deploy it, fix it when it breaks.

We have paying enterprise customers and more demand than we can keep up with.

You'd be the first engineering hire. Agent orchestration, durable execution runtime, self-healing infra, most of the important architectural decisions haven't been made yet.

The founders built a logistics startup from pre-seed to 400+ people. We've been dealing with broken integrations for years.

TypeScript, Effect, Bun, PostgreSQL, K8s, AWS. Paid work day. Under 2 weeks to offer.

work@ontemper.com, mention HN

Instinct Science | Senior Software Engineer (React Native) | REMOTE (US) | Full-Time | $130K–$160K

Instinct Science is the AI leader in veterinary medicine. We build the industry's first clinical intelligence platform — combining a cloud-native EMR, AI-powered scribing (ScribbleVet), real-time clinical decision support, and Plumb's drug information — in one system that helps veterinary teams work smarter, not harder. We acquired ScribbleVet in early 2026 and are building out its next chapter.

This role is embedded directly in the ScribbleVet product team. You'll own the mobile app used daily by thousands of veterinarians to automate clinical documentation.

WHAT YOU'LL DO: - Build and own cross-platform features end-to-end in React Native (iOS + Android) - Identify and resolve performance bottlenecks — state management, native bridges, CI/CD - Ship real AI-powered features alongside a small, high-output team - Collaborate closely with design, product, and backend engineers

WHAT WE'RE LOOKING FOR: - Deep React Native expertise with production mobile app experience - Strong product instincts and QA discipline — you care about what you ship - Actively using AI coding tools

STACK: React Native, Expo, TypeScript, GraphQL

Apply: https://instinctscience.applytojob.com/apply/4Yj4DavJ6D/Seni...