SimplePay | Full Stack Kotlin Developer | REMOTE (UTC+0 to UTC+6)

At SimplePay we're developing our own low code platform that's designed specifically for creating SaaS apps. We're building in Kotlin, and targeting Kotlin on the backend and Vue.js on the frontend. You will work on this low code platform, as well as use it to create our new potfolio of SaaS applications, to complement our existing payroll business that stands at 52,000 customers and growing (https://www.simplepay.co.za, plus other countries).

If you love Kotlin and can handle complex abstractions, please apply! If you only have Java experience, we will still consider you. Please note that we currently prefer people with 5+ years of experience.

Apply here: https://teamsimplepay.applytojob.com/apply/nhsqeeyiga/senior...

We’re hiring across AI, infra, engineering & product marketing

1. Sr Product Marketing Manager (Stealth AI Time) – San Francisco (Hybrid, relo ok) Own category creation, positioning & narrative for AI-driven timekeeping. Lead GTM + product launches. 7+ yrs B2B SaaS PMM. $120K–$220K + equity. No visa.

2. Sr Fullstack Developer – Remote (B2B, EU pref) Frontend-heavy (TypeScript/React/Vue/Angular), backend Python/Django. Build scalable, high-perf DOM + rendering systems. 7+ yrs SWE. Contract, gross comp TBD.

3. Founding Engineer (FE/FS) @ Yarn (YC-backed) – NYC onsite only React + Python + TypeScript, WebGL shaders, AI video pipelines. 4+ yrs SWE. $170K–$225K + 0.75–1.25% equity. No remote/hybrid.

4. Fullstack SWE @ Thrv – Tiburon/SF onsite Next.js/TypeScript, LLM/AI apps (Vercel AI SDK), Postgres, Drizzle ORM. $150K–$250K + equity. Visa for exceptional candidates.

5. Platform Engineer (AI Infra) – NYC onsite, US citizens only Build infra for Olympus & Athena AI. Python (FastAPI), Docker/K8s, AWS GovCloud, on-prem deployments. $200K–$275K + equity.

6. Forward Deployed Engineer – San Francisco onsite 2–5 yrs SWE, startup/high-bar exp. Customer-facing coding & deployments. Work trial (3 days). $150K–$220K. Visa available.

Apply: Email is hidden (state role).

OpenRent | London, UK | Full-Time | ONSITE+PART REMOTE | https://www.openrent.co.uk

What sucked the last time you rented a house or flat? Come and fix it.

OpenRent is a force for good in an industry tarnished by rip-off agencies. Enabled by an unrelenting focus on technology, we now let more properties than any agency in the UK. In the last 12m we let over £50 billion worth of property, to over 7 million registered users, without ever charging any admin fees.

You'll be working on solving every aspect of the rental journey, from models to predict the right price of a property, to building the future of property management, all to help tenants find their dream home, and landlords their ideal tenant.

We're VC backed, profitable, and have plenty of ambition to maintain our fast growth in this absolutely massive market.

Roles currently available:

- Senior UX/UI Developer | Equity | 100k+ (based on experience) + quarterly bonus

All roles visible here: https://www.openrent.co.uk/jobs

Kombo | Senior Site Reliability Engineer | Berlin, Germany | ONSITE | Full-time | €78k - €96k + equity

Kombo (YC S22) is the unified API for 100+ HR/ATS systems. We've grown from 0 to €7M ARR in 2 years and process data for hundreds of millions of people daily. Kombo is known in Berlin for our engineering culture that values quality and product-mindedness.

We're hiring our first Senior SRE to build and scale our infrastructure. You'll own Kubernetes, GCP, Postgres (terabyte-scale), and CI/CD while working closely with our product engineers—with opportunity to build and lead the SRE team as we scale.

Looking for: 6-8+ years SRE/DevOps, strong Postgres administration, Terraform, infrastructure-as-code, distributed systems, and cloud infrastructure.

Stack: Kubernetes, GCP, Postgres, GitHub Actions, Terraform (our philosophy is to keep it lean and efficient)

Apply: https://jobs.ashbyhq.com/kombo/20d6cb5f-9b51-4a6b-8005-61344... (mention HN)

Picnic is kicking off a Hiring Sprint for Java Developers! At Picnic, we’re transforming the way people buy groceries with our innovative, app-only, and sustainable service. We’re looking for passionate engineers to join our diverse team at our Amsterdam HQ, where you’ll have the chance to make a real impact in a fast-growing scale-up environment.

What makes Picnic unique? We do everything in-house: from building cutting-edge forecasting systems and operating our first fully automated warehouse, to designing the electric vehicles that deliver groceries straight to our customers’ doors.

Want to fast-track your way into an exciting role at Picnic? Our virtual Hiring Sprint makes it happen!

Here’s how it works: Apply by October 17, meet your recruiter, complete a coding challenge, go through all interviews in just one day, get your offer within 24 hours

No lengthy process — just a clear path to your next adventure.

Apply now and be part of the future of groceries! https://grnh.se/pbkkez941us

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Stellar (https://stellarcs.ai) | Founding Software Engineers | Amsterdam, the Netherlands | Full-time | No Visa Sponsorship

Stellar is building the go-to AI voice agent platform for customer support, enabling incredibly human-like customer service over the phone. We're a young and rapidly growing startup that has already proven traction, with a number of well-known companies among our initial customers.

To see some of our AI voice agents in action, see https://www.stellarcs.ai/demo-showcase

We're looking for founding software engineers to help us scale Stellar's platform globally. As one of the first members of our engineering team, you’ll play a key role in Stellar's journey and have the opportunity to help shape our architecture, engineering culture and product and engineering roadmap.

Tech stack: Go, Node.js, Typescript, React, Next.js, Encore Cloud, GCP

What you’ll do:

- Build performant APIs and backend services in Go and Typescript (Node.js)

- Develop Stellar's frontend in React, TypeScript and NextJS, to allow companies to effectively design, test, deploy and monitor their AI voice agents

- Design a scalable, fault-tolerant system architecture that can handle large volumes of concurrent real-time audio conversations & agent interactions while maintaining low latency

- Work on Stellar's AI agent framework, at the intersection of software engineering and AI engineering

- Design and implement a platform that meets enterprise standards in terms of security, compliance, resilience and data privacy

- Build API integrations with external systems to enhance the capabilities of Stellar's agents

- Help shape the early engineering culture as one of the first hires of a young and growing tech startup

Why join: you'll be joining at a pivotal time in our growth, in a role with a high degree of ownership and strong growth potential. Join a small but talented team, coming from high growth startups and scale-ups such Framer, MessageBird, Adyen and Crisp.

More details about the role here: https://www.stellarcs.ai/careers/software-engineer

Apply: Send us an email at Email is hidden, and mention you came from HN

Odoo | Full Stack Developer | Hybrid (Belgium, 3 days/week) | Full-time | Visa + €10k Signing Bonus | https://www.odoo.com/r/mnk

Odoo builds open-source business apps used by millions. We're hiring full stack developers to work on our Python/PostgreSQL backend, fast JS framework, mobile apps, website builder, and more.

Why join us:

- €10k signing bonus - Visa sponsorship + relocation support (contains 1 month free housing) - No clients, no deadlines — just clean, open-source code - Pick your team after 3 weeks of onboarding - Great team, countryside office (with chef!), flexible hours

You:

- Master several programming languages - Proficiency in object-oriented programming - Strong in SQL, data structures, and DB design - Passionate, autonomous, and eager to build real stuff

Apply → https://www.odoo.com/r/mnk

Oxidian | https://www.oxidian.com | Remote (Ireland/EU ONLY) We make sure public money is well invested by building software for governments. We're doing to government software services what challenger banks did to banking.

Our projects range from high-performance computing libraries to web applications and modern DevOps pipelines. We focus on automating complex tasks and creating user-friendly interfaces to improve the working lives of scientists and researchers.

We move quickly, trust each other to deliver, and give you space to own your work from day one.

We're currently hiring for:

* Senior Python Developer

* Senior Rust / C++ Developer

More information and how to apply: https://www.oxidian.com/#join-us

GHCO - https://www.ghco.co.uk/ | Software Engineer, Senior Software Engineer, Trade Application Support | London | Hybrid | Full Time GHCO is an ETF market maker, quoting across European exchanges. We're a small team of expert traders and proven software engineers, looking for experienced technologists who have an interest in advancing the state of the art in automated market making. Tech stack we're hiring for: Java, Python, SQL, AWS

* Benefits and perks: competitive salary, health insurance, generous hardware and software allowance, casual work environment, inclusive team-oriented culture, rapid career growth opportunities, high impact work.

email: anthony dot sheldon at ghco dot co dot uk, with Hacker News in the title