Prove AI | Senior Software Developer (Full Stack) | Europe, UK, United States, Canada, Brazil | Remote

Prove AI is an AI management platform that helps organizations centralize and manage their AI models while maintaining strict oversight of data access and usage. https://proveai.com/company

This is a hands-on engineering role for someone excited about crafting production-grade software, solving complex problems, and contributing to a high-performing product and engineering team. You will work across the stack—primarily using TypeScript, React, and Node.js—with opportunities to contribute to both backend systems and frontend interfaces. While the role values frontend capability, strong backend engineering experience is essential to support our API layer, data processing, and system integrations.

Check out our full JD here - https://proveai.careers.hibob.com/jobs/1a652b22-bdf9-438a-a9...

You can apply via the link above

Plastic Labs | DevRel, Summer Interns| NYC | https://plasticlabs.ai

Plastic Labs is building systems that map personal identity using AI-native memory & social cognition. This means individually-aligned agents that you can trust to act autonomously on your behalf & agents with rich identities all their own.

We're pursuing this with our flagship product Honcho (github.com/plastic-labs/honcho) a memory & identity layer for agentic applications. learn more at https://blog.plasticlabs.ai

We are looking for a Developer Relations Engineer to help us evangelize Honcho to the broader dev community. This involves engaging the community online & in-person, building demos, writing documentation & blog posts, and working with the dev team to communicate feedback from the community.

Check out the full requisition here: https://blog.plasticlabs.ai/careers/Developer-Relations-Engi...

Sphinx Defense | Engineering, DevOps, & Product | Remote (US Only), DC, Colorado Springs, LA | https://www.sphinxdefense.com

Sphinx Defense builds software to solve complex national security problems for America and its allies. Founded by engineers and technologists with deep experience across commercial and defense technology, we're building a vehicle-agnostic communication infrastructure to enable satellite operators to securely utilize antenna networks and maneuver satellites in real-time. We're bootstrapped, profitable, and growing aggressively.

To learn more about who we are, our engineering culture, and whether this is the right place for you, read our Key Values profile: https://www.keyvalues.com/sphinx-defense

Our current openings are: Sr. Backend Engineer - Colorado Springs : https://grnh.se/7184c0238us

Sr. Backend Engineer - Remote : https://grnh.se/3ef2598b8us

Don’t see a role that aligns with your interests or don’t have the specific Space/ Command & Control experience? Apply to the general interest application and list what type of role you would be interested in : https://grnh.se/4ce199d68us

Check out our open roles: https://www.sphinxdefense.com/#careers

Queueco | Research Engineer | HFT | London, UK | Full time on-site | Visa sponsor

We are a proprietary trading firm operating in conventional as well as cutting-edge alternative markets. Our strategies run 24/7 without manual intervention powered by low-latency infrastructure and the latest machine learning techniques. We’re a meritocratic and lean team of highly-motivated scientists and developers and as such value technical ability more than politics: what matters is how good your code is, not how well you sell yourself. We spend no time dealing with clients, customers or investors and instead focus on growing our business by building better technology.

If you are a talented research engineer with strong developer skills who likes to work on low latency systems and large data science pipelines then please get in touch. We are also happy to sponsor exceptional talent.

You will be embedded within research and serve as primary resource for diverse software engineering challenges within the team. Your responsibilities will include efficiently processing extensive amounts of market data or improving the computational performance of live strategy code.

You can have a look at the role and apply via: https://apply.workable.com/queueco/j/A43D6B3C23/

Or directly write us an email to hn@queueco.com.

Software Engineer (w/m/d) | Berlin | Onsite | Media4Care

We build tech: digital assistants that help caregivers and seniors live with more joy. Small senior team, big impact.

Stack: TypeScript (full-stack), React Native, GraphQL, Postgres, Bedrock (Claude/Llama), Transcribe, pgvector RAG, SageMaker + Inferentia2, VPC + KMS, Guardrails.

Work: End-to-end feature ownership, product thinking, clean abstractions, meaningful AI/LLM integration.

You: 5+ years experience, strong programming skills, can think in tradeoffs, not just libraries.

Why us:

Purpose > vanity metrics (healthcare, not adtech)

Autonomy + flat team

Modern stack, real-world constraints (accessibility, privacy, offline)

Process: short written Qs → intro call → 4–6h real-world coding/product challenge → tech discussion → fast offer.

Apply: https://m4c.jobs.personio.de/job/2019549

Sort It Out SI | Unity Consultant | Remote | Short Term | $50 p/h

Dates: October 21st - November 18th.

We're looking for an expert in Unity who can help in one or more of the following areas: - Harmony / Melon Loader / IL Injection to hook into game code - Cheat Engine tools for modifying and exporting the games database - Replacing / exporting 3D meshes, textures and animations - Unpacking / repacking AssetBundles/Addressables

We make mods for the video game Football Manager which has just been rewritten in Unity after using a proprietary engine for the past 20 years.

We're looking for someone (or multiple people) to help explore the game upon release and identity new modding opportunities.

This is short term work and would be most suitable for students, hobbyists or temporarily unemployed looking to pick up a few extra hours work.

It is possible it could extend longer term if the right opportunity is identified however we are primarily a fansite for the game and do not have a history of making permanent hires.

The main duties would be answering basic Unity questions from web developers who have never touched Unity, free exploring the games code and writing very basic documentation and proof of concepts.

We are totally flexible on anything from 5-40 hours per week.

Please email: footygamer@sortitoutsi.net

Core Flow AI | Software Engineer | Sydney (ONSITE) | Full-Time | $300-500k AUD + equity

We’re building the future of consumer entertainment. In less than a year, we've scaled to 10m+ users and are one of the top 50 AI sites globally, all with 0 funding and a team of <10.

We’re a small, technical team who like to solve hard problems and ship fast. Our stack is TypeScript, Next.js, React, Postgres, Temporal, and a whole lot of AI.

We work in the adult entertainment space, so please apply only if you’re comfortable with the industry.

Interested? Send your resume to hi@coreflow.dev with either a snippet of code you’re proud of, or a short explanation of an interesting technical problem you’ve tackled.

MTA | Full-time | NYC | 3x/week in office (onsite)

We're hiring one engineering manager and one UX designer.

Our team works on all the (non-ad) screens in the subway, as well as two apps (TrainTime and the MTA app) and our website. We're a team of 20, mostly engineers, a few PMs and a designer. We operate like a startup within the MTA and are responsible for all customer-facing digital endpoints.

To apply EM: https://careers.mta.org/jobs/16696562-manager-product-develo... (ignore the job title and description, this is the EM role. You can mention that you found out about this opportunity through HN in a cover letter) Designer: https://mta.breezy.hr/p/7d405a5cafd6

Customer Service Lead | Bond Home | ONSITE Cresskill, NJ (15min from NYC)

Bond Home [1] Co-founder & CTO here. We're hiring a Customer Service Lead to elevate our support team with cutting-edge AI tools like Claude Agent SDK and realtime voice.

What we need: Someone who can both implement modern AI solutions and lead our 6-person support team through the transition. Technical chops + people skills.

What we do: We make smart home bridges and RF controllers that connect "forgotten" devices (shades, blinds, ceiling fans, fireplaces) to the smart home. Full stack built in-house.

The company: Founded 2017, same team, same location. Profitable and customer-focused. Our previous CS manager retired after a great run; the team has excellent retention.

The role: Own customer experience strategy, implement AI tooling, manage and mentor the team, work closely with engineering.

Location: Must be onsite in Cresskill, NJ.

Interested? Email merck@bondhome.io

And if you want to be bullish, you can already book an interview slot [2].

[1] https://bondhome.io/ [2] https://meetings.hubspot.com/chris-merck/interviews

Swish (https://www.swishbx.com/) | Founding Engineer | REMOTE (US, ideally near Detroit) | competitive salary + equity and benefits At Swish, we provide a revolutionary streamlined solution for CPG brands and grocery retailers to deliver product sampling in an automated and dynamic fashion.

Our adtech platform is the first of its kind and is purpose built to solve the challenges of both brands and retailers.

Founded by retail media + tech veterans, Swish is changing the way product sampling is planned, executed and ultimately valued. As a founding engineer, you will work across product, infrastructure, and AI/ML and help scale our product. - We're looking to hire 2-3 engineers to round out our core founding team - Completed seed funding last month ago w/ a top VC Apply here: https://www.linkedin.com/jobs/view/4308227598

Wirespeed | Founding Engineer | REMOTE (US) | Full-time | https://wirespeed.co

We are looking for a founding engineer to help us continue our mission of building a fully-automated Managed Detection & Response (MDR) platform.

Our ideal engineer has a broad set of experience across frontend, backend, infrastructure, cybersecurity, and data(bases). If you've been responsible for managing production infrastructure, talking to customers, and having full ownership of your features from start to finish, we'd love to talk with you.

Tech stack:

  - Typescript
  - Frontend: ReactJS/Tanstack
  - Backend: BunJS/NestJS
  - Postgres
  - Clickhouse
  - NATS
  - Redis
  - AWS
  - Anything fun, secure, and scalable

We don't care about your resume, tell us why you're awesome: https://wspd.link/founding-engineer

Loman AI | Founding Engineer | Austin, TX | Hybrid | Full-Time | $175k - 225k + equity | https://loman.ai

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We are building the best-in-class phone AI for restaurants, enabling autonomous agents to handle orders, reservations, and customer inquiries. As a founding engineer, you’ll shape our core product while working directly with cutting-edge LLMs, developing third-party integrations, and designing scalable APIs.

Unfortunately, we cannot offer visa sponsorship.

Stack: nodejs, typescript, postgres, fastify, docker, redis, react

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Apply at jansen@loman.ai

Arya Health | Multiple Roles | New York City | Full-time | In Office | https://wellfound.com/company/arya-health-ai/jobs

Arya helps healthcare companies manage their employees, schedules, compliance, and onboarding using AI Agents so they can grow faster with happier workers. We are a team of ~15 people currently and looking to expand our size in order to sustain our sales growth. We are also very active and typically respond within a day because we respect your time.

Stack: Node.JS / Python / Postgres / React / Dagster / N8N.

Open Engineering roles:

* Senior Software Engineer in AI - https://wellfound.com/jobs/3511545-senior-software-engineer-...

* Senior Software Engineer in Data - https://wellfound.com/jobs/3372338-senior-software-engineer-...

* Staff Engineer - https://wellfound.com/jobs/3372538-staff-engineer

* Senior Software Engineer - Generalist - https://wellfound.com/jobs/3372535-senior-software-engineer

Other Open roles:

* Head of Product Designer

* BDR

* Account Executive

* Marketing

Stack includes AI/ML, healthcare operations automation, and we're focused on solving real problems in a massive industry. If you're interested in using AI to transform healthcare operations and want to work with a responsive, mission-driven team, we'd love to hear from you: https://wellfound.com/company/arya-health-ai/jobs

CTO can be directly be reached at arun@aryaworks.com

Logiqo Inc. – Full-Stack Engineer (AI-focused, remote, CET!)

We’re developing an AI assistant for iGaming/Betting and have good commercial traction. Looking for a curious builder who embraces AI and likes to ship.

Business platform stack is Java/Spring Boot and PostgreSQL. Some experience with LLMs, embeddings, prompt engineering and AI ops preferred.

You are independent, motivated and fully embraced AI in your workflow, yet still know what you're doing! We offer ~€5k/month, equity, fully remote.

Reach out to oliver@promptbet.ai

Amplifi | Data Engineer (mid-senior) | Remote (UK) | Full-time

We are looking for an experienced Data Engineer to help us make data central to our customers and our decision making. This is the first hire in this area, and you will have the opportunity to shape our strategy and system design. Ideally looking for someone with some software engineering background, who knows how to start simple and iterate.

At Amplifi we are shaping how banks, insurance companies, global payments providers, and more deliver more effective communications to their customers, and stay compliant with changing regulations and internal governance.

Apply here: https://amplifi.worksmarter.co.uk/jobs/amplifi/data-engineer...

Visa sponsorship is available, but candidates will need to be already present in the UK.

Stream | Multiple Positions | Amsterdam (NL), Skopje (North Macedonia) | Boulder, CO (US) | Toronto (Canada)) | Remote possible | Full Time | Visa Sponsorship

We are consistently hiring backend engineers ranging from Senior level to Staff / Lead / Director / Principal Go engineers. If you have experience with a different tech stack, we offer a 10-week onboarding program to train you in Go, scaling and other key topics: https://tinyurl.com/2u5x9f9w

We’re also hiring for:

* Staff Python Engineer – (Open Source Video/Voice AI Library)

* Staff Product Designer

* Lead Backend Engineer

* Unreal Engine C++ Developer (fixed term, 2-3 months project)

At Stream, we use Go for our video SFU, chat API, Moderation and Feeds, serving high traffic from major apps like Strava, Nextdoor, Patreon, and Midjourney. Our tech stack: Go, CockroachDB, RocksDB, WebRTC, Raft, and Redis.

Why Join Stream?

* High scale/ difficult engineering, we have customers using our products with millions of users

* Default alive. Startup growth opportunity with healthy revenue

* All managers are hands-on and capable engineers

* Edge network of servers around the world

* Great opportunity to learn and grow

Remote: our roles are primarily NL, US, North Macedonia, or CA-based (hybrid), but exemptions for remote work within the EU may apply to specific cases. Visa Sponsorship: Available for the Netherlands

Apply here: https://jobs.ashbyhq.com/stream?utm_source=5rrpvObp3r

Layer Health | https://www.layerhealth.com/ Our team/engineers are incredible! Very sold ML/engineering backgrounds: https://www.linkedin.com/company/layerhealth/people/ BOSTON (Boston Common) or NYC (downtown) - hybrid in both locations; no remote

Work Location: HYBRID in Boston or NYC (downtown) Headcount: ~32, hiring 2-3 per month

Stack:React / Typescript / Python / GCP

Open Roles (all roles require a MINIMUM of 6 years of work experience): ML Infrastructure (Staff+) * Data Infra Lead/Engineer * Research Scientist (PhD's) * Data Scientist (looking for CS/engineering background ideally) * Security Engineer * ML Engineer

We Offer: * competitive base salary + equity + great health/medical benefits * unlimited PTO * collaborative engineering-first culture, in office 2-3 days per week in Boston and NYC offices

Layer Health was founded in 2023 by leading machine learning researchers from MIT and Harvard Medical School. We are building an AI layer that can accurately and scalably synthesize information from medical records, with the mission to reduce friction everywhere in healthcare. Our LLM-powered platform is solving chart review once and for all, across use cases. For health systems, our first product dramatically accelerates clinical registry abstraction in areas ranging from surgery and cardiology, to oncology. Our long term vision is for our AI layer to safely transform patient care and minimize unnecessary heartbreak. Layer Health’s diverse founding team brings expertise across machine learning, UI/UX, large language models, and medicine.

Email me at mike.hauschild@layerhealth.com for more info!

CodeGrade | Full-Stack Software Engineer | Amsterdam (Hybrid) or Remote (Europe & Asia) | Full-Time | https://codegrade.com

We're building the all-in-one platform for coding education, born from our own frustration as TAs. At CodeGrade, students learn, code (optionally in a browser-based editor with full Jupyter support), and get feedback in one place. We're a small, bootstrapped, profitable, and distributed team looking for a full-stack engineer to help us own and build features end-to-end.

You'll be working with a high-impact team on interesting challenges in a product used by thousands of students globally.

Our Stack: Python (Flask), TypeScript, Vue.js, AWS.

Learn more at https://www.codegrade.com/jobs/software-engineer. Apply or ask questions by emailing me (Thomas, co-founder) at thomas@codegrade.com.

Better Stack | https://betterstack.com/ | /^Full-?stack Engineer$/i | Remote (North America & Europe)

We are software builders at :heart: CEO is a software engineer, COO is a software engineer, and you guessed it, CTO is an engineer, too. We are engineers, making the tools we always wanted. If you love building amazing software, you're at the right address.

We are looking for software engineers who, if given enough time, could build Better Stack on their own = looking for Full-Stack/Product Engineer/Generalist to help us create high-quality software with exceptional UX – end to end.

Apply at https://betterstack.com/careers/fullstack-engineer

How we operate: https://betterstack.com/careers – https://betterstack.com/careers/engineering – https://juraj.blog/

Canvas (The Spatial Computing Company) | Full-time | Remote

At Canvas, we’re working on spatial computing - using computer vision to 3D reconstruct and understand your surroundings so that software can operate over real-world spaces. We believe it will power the next generation of augmented reality and some of the key parts of virtual reality as well.

Our most pressing open position right now is a Data Lead (tech lead level data engineer/analytics leader) - Globally Remote, but preferred somewhere between GMT-4 and GMT+2 for overlap with US and EU.

For detailed information check out https://canvas.io/jobs.

Or contact me (Zach) directly at jobs@canvas.io.

Keywords: 3D, computer vision, photogrammetry, geomatics, SLAM, Data Engineering, Analytics