Enveritas (YC S18, non-profit) | Backend Software Engineer | Remote (Global) | https://enveritas.org/jobs/

Enveritas is a 501(c)(3) nonprofit working on sustainability issues facing smallholder coffee farmers. We collect field data in 25+ countries and build systems for analyzing risks in coffee supply chains (including EUDR-related deforestation checks).

* Backend Software Engineer (Python, PostgreSQL/PostGIS, Docker, AWS, Terraform) - $135-$155k — https://enveritas.org/jobs/backend-software-eng/#10d7adef8us (worldwide remote)

Arizona Optical Metrology (AOM) | Software Engineer | Tucson, AZ | Onsite | Full-time

AOM is bringing decades of experience in optical metrology to bear on some of the most demanding applications on earth—commercial space telescopes, extreme precision optics for EUV lithography, and next-gen consumer electronics.

We are looking for a Software Engineer to lead development of a computer vision based advanced metrology system. We are seeking a long-term team member, as we have further products that will be developed and would like a key team member to grow with the role.

The Role: You will own core system development, moving between high-level scientific computing and low-level hardware control. You will also go on-site to support system deployment. This includes:

Pipeline: Python (NumPy/SciPy/OpenCV) for numerical computing and image processing.

Performance: Rust for real-time frame processing and optimized solvers. (We offer opportunities to learn Rust on the job).

Hardware: Camera SDKs (PySpin), display synchronization, and timing-critical acquisition loops.

Math: Sparse linear algebra, FFT, polynomial fitting, and geometric optics.

Requirements:

BS/MS in CS, Physics, or Optical Engineering.

Strong Python experience (NumPy, SciPy, OpenCV).

Systems-level thinking (state management, error handling, timing).

Bonus: Rust experience, hardware interface experience, or a background in optics/physics.

We are looking for someone who enjoys the intersection of software, math, and physical hardware.

Apply here: https://portal.aom.us/jobs/software-engineer-31

Graphite |Senior Software Engineers| New York, NY in our Soho Headquarters | https://graphite.dev

We’re building Graphite to help high-performing engineering teams run faster, cleaner code reviews. Our product is already used by some of the world’s best developers, and we’re just getting started!

We are also thrilled to share that Graphite is joining Cursor! With Cursor, we’ll bring together the best-in-class tools for creating, reviewing, and merging code in the age of AI.

We're hiring experienced engineers across the stack, are are looking for people who:

-Care deeply about code quality, system design, and scaling software responsibly

-Have a strong product sense and enjoy collaborating closely with design & product teams

-Have experience with AI-driven workflows, prompt engineering, or interest in developer tooling is a plus

-Are product-driven and quality-obsessed; we ship thoughtfully and often

The hiring process: quick intro call, 2 technical interviews, & an onsite interview, followed by offer!

If you are someone who wants to work on meaningful problems, values clean code and thoughtful systems, & loves building tools for other engineers, we'd love to chat with you!

You can apply directly on our careers page(https://graphite.dev/careers#positions) or email Email is hidden with the subject title: "Thank you for stacking with us) with a copy of your CV.

Recruiters: appreciate your hustle, but we’re only hiring through direct applications.

Yuzu Health (yuzu.health, Series A) | Location: New York City (Flatiron) | ONSITE

Pitch: Yuzu is not a wrapper, point solution, or integration on top of something. Our platform makes it easy for anyone to create their own health plan from scratch. That means our tech handles everything from the member/HR portals, claims adjudication, invoice automation, member support tools, to even printing and sending out ID cards.

Why: We're truly rebuilding health insurance from the ground up. We currently serve over 1,000 employers, and we're growing extremely fast (like over 10x last year fast)!

Investors: We're well funded with investors like General Catalyst, Chemistry, Anthropic, Lachy Groom, Neo and founders from startups you know like Notion, Brex, Deel, and Mercury.

Roles: We're hiring engineers for in-person work over here at Yuzu's HQ in Union Sq, Flatiron. Primary need is for Fullstack/Product Engineers. You can check out our office in our recent MTV cribs office tour.

I'm Kev, the recruiting lead. Reach out to me directly if interested on kev ( at ) yuzu ( dot ) health

JustPark | Mid-level DevOps Engineer | Software Engineer II - Integrations Team | Full-time | Dallas, TX, US

JustPark is the premier partner offering both B2B solutions for destinations and B2C services for drivers, giving us the best of both worlds. We simplify the entire parking experience. From venues and councils to private driveways, our platform makes it simple for drivers to find, book, and pay for parking—while empowering our operating partners to deliver exceptional parking experiences.

We're looking for a Mid-Level DevOps Engineer (3+ years of experience in Platform Engineering on AWS, experience using Terraform, CloudFormation, or similar IaC tools) and Software Engineer II (3+ years of professional experience with Golang, extensive hands-on experience with AWS, proficiency with modern CI/CD workflows) to join our Engineering team in the US.

Read more and apply directly via the job links below. Please mention in your application that you're applying from HackerNews.

DevOps role: https://apply.workable.com/justpark/j/4095d0a5f8/

Software Engineer II role: https://apply.workable.com/justpark/j/3ab7c684e9/

Look forward to your application!

Strobe | Software Engineer | Brooklyn, NYC | ONSITE | Full-time | $120k–$250k + equity

We’re building a distributed, software-defined power plant: buildings, batteries, EVs, and on-site generation buying and selling power in real time. Think cloud control plane + embedded hardware + energy markets.

Small, high-performing team. No layers. You’ll own systems end-to-end: design → deploy → on-call.

We’re looking for *fungible generalists*, not narrow specialists. Strong fit if you’re comfortable with: - AWS-heavy backend work (Lambda, APIs, GraphQL, data pipelines) - Operating real-time production systems - Python / TypeScript (Rust a plus)

Depending on fit, you might work on: - Telemetry & control over unreliable networks - Embedded Linux / RTUs (Modbus, BACnet, DNP3) - Market-facing systems and optimization - Operator UIs with real-time streams (React)

Requirements: - Strong production experience - Systems mindset, bias to shipping - Willing to be onsite 5 days/week at Newlab (Brooklyn Navy Yard) - Not remote

Fast pace, direct feedback, real ownership. This is not a 9–5.

Email: Email is hidden, cc Email is hidden (please mention HN)

Include your LinkedIn or resume as PDF.

Modash.io | Multiple roles | Multiple locations | Full-time | Remote

• Modash is an end-to-end influencer marketing platform for Shopify stores.

• We help every creator earn a living.

• Tallinn is home. Europe is our lab. Canada joins the frontlines.

• 70+ person team, raised €11M in Series A funding, ARR growing 2x YoY.

• Millions paid out to creators to date.

—

Account Executive (Toronto, Ontario, Canada) https://apply.workable.com/modash/j/cc8a1d1fe4/

Senior Backend Engineer (Remote, Europe) https://apply.workable.com/modash/j/d4fa5ba3e6/

—

More roles: https://www.modash.io/careers

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 let more properties than any agency in the UK. In the last 12m we let over £50 billion worth of property, to over 8 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:

- Lead Product Designer | Equity | 110k+ (based on experience) + quarterly bonus

- Senior Full-Stack Engineer | Equity | 75k-110k+ (based on experience) + quarterly bonus

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

Electric Twin | London, UK | Hybrid (4 days/week in office)

Electric Twin builds simulations of real customer audiences, so teams can test decisions before shipping them — fast, safely, and at scale.

We’re a small, fast-growing team backed by top investors and operators, working with real clients on real problems. We’re hiring engineers (and other roles) who want high ownership, meaningful impact, and to help shape both the product and the company as we grow.

https://app.welcometothejungle.com/companies/electric-twin

Journee | Berlin, Germany, Europe | REMOTE (CET +/- 2h) | Full-time | https://journee.ai & https://ojin.ai/

==========

Journee is a technology startup founded in 2020. Our in-house low-latency streaming technology and GPU fleet orchestration systems are the engines behind our award-winning work with brands such as BMW, H&M, and Siemens.

We are now building and launching Ojin (https://ojin.ai/), a real-time generative AI platform for developers. Ojin provides the APIs and inference infrastructure for developers to build and scale interactive applications and AI agents. For this new venture, we are building a small, ambitious team of highly talented individuals and are hiring for the following position:

* Senior Product Engineer

Our tech stack: TypeScript, React, Python, PostgreSQL, WebRTC, AWS, Infrastructure as Code, Unreal Engine

Apply here: https://job-boards.eu.greenhouse.io/journee