Rotabull | Senior Software Engineer | Full Time | Hybrid 3x / week | NYC

Rotabull is building a next-generation platform for buying and selling aircraft parts, to bring online the $75 billion that airlines spend on parts and repairs each year. Our customers are aircraft parts suppliers around the world, depending on our systems to run their day-to-day businesses.

We're expanding our NYC-based team with a few hires over the next year -- if working with a small, bootstrapped team in a legacy industry with lots of opportunity appeals to you, please see https://app.dover.com/jobs/rotabull for more information or to apply.

Chime | Software Engineer, Infrastructure | Full Time | REMOTE (US)

We’re looking for talented engineers who: • Have hands-on experience in infrastructure or platform engineering. • Enjoy working on distributed systems, scaling, automation, and reliability. • Bring a passion for operational excellence and continual improvement. • If this sounds like you, check out the position here: https://lnkd.in/gxz2kac8

Trak | Product Manager | Full Time | Hybrid NYC

Trak is revolutionizing the collision repair and ADAS calibration industry by building the first AI-driven calibration and compliance platform designed specifically for collision centers, ADAS calibration companies, and the technicians who power them. We are creating the operating platform of record for an industry that has been underserved by technology, enabling shops to automate calibration mapping, documentation, and compliance workflows at scale. By leveraging proprietary datasets and machine intelligence, we are transforming fragmented, manual processes into seamless, data-driven operations. Backed by leading venture investors and scaling aggressively, this is your opportunity to help build the platform that will define the future of automotive repair and calibration.

We are actively hiring for a Product Manager, for more information please see https://adastrak.com/careers. Send resumes and questions to Email is hidden

Founding Engineer (Warsaw, full-time, in-office)

Elastics is building an AI-native operating system for trading - deterministic agents, live data, portfolio management and execution across prediction markets, crypto, and beyond. We are Pre-Seed funded, working with our first clients, and need a Founding Engineer to accelerate building core product infrastructure.

Responsibilities: Build and own our agent orchestration & runtime engine (async, distributed systems) Deploy and scale services on Azure (Docker, CI/CD, monitoring) Connect to exchanges and data sources (API/websocket integration, streaming) Implement portfolio and risk calculations (PnL, positions, Greeks, risk metrics) Implement market discovery dashboards on our platform

Requirements: 5+ years of backend experience (Python, distributed systems, financial data pipelines) Comfort with Docker, Redis/Kafka, PostgreSQL Strong C++ experience Interest in financial markets and trading Startup mindset: you can ship, own, and iterate fast Warsaw-based (in-office) or willing to relocate Fluency in English - our work and clients are international Bachelor's or Master's degree in Computer Science, Mathematics, or a related field

Offer: $5,000/month starting salary (B2B) + meaningful equity (true founding role) Work at the forefront of financial and AI innovation Work directly with experienced math, quant and product founders Exposure to top global hedge funds, exchanges and VCs

Send your resume to Email is hidden with "HN who’s hiring" in the title

Sesame | Full-time | SF/NYC/Bellevue | On-site | https://www.sesame.com/

Sesame believes in a future where computers are lifelike - with the ability to see, hear, and collaborate with us in ways that feel natural and human. With this vision, we're designing a new kind of computer, focused on making voice companions part of our daily lives.

Our team brings together founders from Oculus and Ubiquity6, alongside proven leaders from Meta, Google, and Apple, with deep expertise spanning hardware and software.

Open Roles:

- ML Engineers

- ML Scientists

- Product Designers

- Product Engineers

- iOS Engineers

- Embedded Engineers

- Electrical Engineers

https://jobs.ashbyhq.com/sesame

Findigs | Full-time | NYC | 3x/week in office M,T, Th) | findigs.com

At Findigs, we’re transforming the rental experience — making it fairer, stress-free, and more convenient by changing the fundamentals of renting.

We build high-scale applications that streamline renting for millions. Our modern tech stack includes TypeScript, Python, Node.js, React, and scalable cloud infrastructure.

We foster a collaborative culture where engineers have high ownership and autonomy, taking features from concept to deployment.

Join our sharp, supportive, and mission-driven team in our newly renovated SoHo/NoHo office.

Open role: Senior Software Engineer —> Apply here (https://jobs.lever.co/findigs/3b39616d-223f-4326-a500-f804c3...)

Base Salary of $180k - $210

Pre-IPO Equity

401k Matching up to 4%

Unlimited PTO

Lunch in office every day; home office setup stipend; monthly gym stipend

Hudl | Senior Software Engineer | REMOTE (Nebraska, Kentucky, Kansas City, Chicago, Austin or Dallas) | $107,000 - $179,000 Salary | https://job-boards.greenhouse.io/hudl/jobs/7062845

Ever wonder how millions of highlights and game-film videos get processed and delivered to teams around the globe? It happens on the Core Video team at Hudl, and we're looking for a Senior Software Engineer to join!

Every day Hudl solves challenges around our video processing pipeline that handles thousands of concurrent videos while prioritizing cost-efficiency, scalability, and exceptional video quality. We work on problems at a scale that few other companies can offer.

Founding Engineer (SF + NY)

We’re growing our engineering teams in San Francisco and New York and are looking for builders who want to help shape both product and technical direction.

Open Roles:

LLM Engineers – experience working with large language models, from training and fine-tuning to production deployment.

Typescript Engineers – strong background with modern web technologies (React, Node.js, etc.) and an interest in scaling systems.

Our teams are collaborative and fast-moving, tackling hard technical problems with real impact. Engineers here work closely across product and design, and have a big voice in how our systems evolve.

If this sounds like the kind of environment you’d thrive in, we’d love to connect -- https://www.linkedin.com/in/jake-salomon-243347133/

ReadWorks (YC-backed nonprofit - Imagine K12 F'14) | Senior Data Engineer | REMOTE (US Only) | Contract (up to 20hrs/week) | $70-110/hr

Building data infrastructure to support 11M+ students and teachers learning to read.

We're a nonprofit education platform providing free, research-based literacy resources to K-12 classrooms nationwide, with deep focus on under-resourced communities.

The role: Design and maintain ETL pipelines, ensure data quality across our warehouse and reporting stack, build data infrastructure that powers educational insights for millions.

Stack: SQL, Redshift, AWS (S3, DynamoDB, EC2, Firehose), Python, Linux. Bonus: Django, Elasticsearch, Kibana, Redis, Ruby, Node.js

We value: Mandatory testing, maintainable code, operational consistency (CI/CD, infrastructure as code, rigorous monitoring)

Impact: Your work directly supports teachers and students in under-resourced communities. 20+ years of proven results in engaging students and strengthening literacy instruction.

Apply: Email your details (CV/Resume, Cover Letter, or any other info we should know about you) to engineering at readworks.org

Full posting here: https://about.readworks.org/careers.html

SalesJack | Data Engineer | Hybrid (Hamilton/GTA Canada) | C$130K-C$150K + equity and benefits | salesjack.com

SalesJack is a sales software platform (CRM, Prospecting Service) for independent businesses in the construction supply industry. We are growing quickly and profitably. Our founding team and customers are based in the US, and we aim to grow engineering capabilities in Canada.

This role is responsible for leading our data pipelines development. SalesJack operates data ETLs from sources like client ERPs (enterprise resource platforms) and municipality open data to power our CRM features. You will collaborate directly with founders and lead engineers at the company and help:

- Enable scalability in our pipelines as we onboard more customers and data sources

- Setup visibility, monitoring and alerting in all parts of our ETL processes

- Allow plugging in AI led transformations at the right stages of our pipelines, and enable this to be done easily

- Lead RnD effort for AI toolings that transform a lot of manual work in the industry

We are looking for:

- 3+ years of data wrangling and pipeline scaling experience. We prefer if you have done so with a focus on reliability and efficiency (both in terms of compute and costs) in the past.

- Someone who loves experimenting with data, regularly tries out new tools, and enjoys exploring the possibilities of AI and machine learning—especially large language models (LLMs)—we want to hear from you.

Our hiring process will be:

1. Initial call with our founding engineer to briefly discuss your experience and introduce SalesJack ~ 30mins

2. Technical Exercise (this will a live coding on a screen-sharing call where we will ask you to work on some problem) ~1.5 hours

3. Call with one of our founders to see cultural fit ~ 30mins

4. Offer

We aim to have the full process take no more than 2 weeks from the initial call.

This is a hybrid role, with in-person 2-3 times a week in Downtown Hamilton, Ontario.

Apply at https://jobs.ashbyhq.com/salesjack/5645b4c3-dc1b-4021-83d4-2... and mention Hacker News