Furtim Modus | Hiring Java Developer (Full-Time) | NYC (HYBRID) | https://www.furtimmodus.com/software-engineer

We are currently seeking a talented and driven Java Developer to join our team full-time. This is an exciting opportunity to contribute your skills and expertise to a fintech venture with emphasis in capital markets tech based out of the New York City and in exchange we’ll provide you with base comp $125k-200k, full benefits, cash bonus, and equity.

Requirements:

- Electronic trading server-side software development experience

- Experience in Open Source technologies such as Aeron Transport, Aeron Cluster, Aeron Archive, Artio, Agrona, or CoinTossX is a big plus

- Experience with Adaptive Hydra trading platform is a big plus

Benefits:

- Flexible hybrid schedule to accommodate other commitments

- Collaborative and supportive team environment

- Relocation assistance to NYC Metro area

If you are passionate about Java development and interested in joining a fintech venture, we would love to hear from you. Please submit your resume if interested to agency@furtimmodus.com in this opportunity.

Loman AI | Senior Backend Engineer | Typescript/Node | Austin, TX (Hybrid) | Full-time | https://loman.ai/senior-software-engineer---backend

We build a 24/7 AI phone-answering platform for restaurants — taking orders, reservations, FAQs, and syncing to POS + payments.

Looking for a senior backend engineer to own services end-to-end: REST APIs, POS/reservation/payment integrations, reliability + scaling work.

Requirements: 4+ years experience, strong API + systems design background, SQL. Nice to have: Experience building applications with LLMs or generative AI models, track record of feature ownership and shipping to production, POS integrations (Toast/Square/Clover), cloud infra.

To apply, please send your resume to careers@loman.ai

Guideline Guru | Senior Software Engineer (Full Stack) | Remote (US Eastern Time +/- 2 hrs) | Full-time

We're building an AI assistant for mortgage underwriting guidelines that helps lenders get faster answers, reduce mistakes, and close more loans.

We're profitable, bootstrapped, and small. Our focus is on shipping software that makes life easier for our lender partners.

We're looking for a senior full-stack engineer (Python/Django/Postgres) with a track record of impact at product-focused startups. Someone who owns projects end to end, ships quickly, and balances pragmatism with quality. We value strong communication, curiosity, and humility.

You'll work directly with the founders to shape our architecture, extend the platform, and influence technical direction as we scale. We move fast, build thoughtfully, and keep a sustainable 40-hour pace.

Apply here: https://wellfound.com/jobs/3537806-senior-software-engineer-...

ThreeFlow | Remote US | Full time | https://www.threeflow.com/

ThreeFlow is the first Benefits Placement System, a new category of enterprise software that allows benefits brokers and insurance carriers to manage the entire placement process in one shared system.

Senior Product Manager II https://grnh.se/yfhl8ant3us

Please apply directly

DevOps Engineer - ActivePrime Location: Remote (U.S. and Canada)

We’re a remote-first SaaS company building data cleansing tools for CRM data (Salesforce, Heroku).

Role:

Seeking a DevOps Engineer to scale AWS infrastructure and build systems in a fast-paced, remote environment.

Responsibilities:

Design AWS infrastructure using Python.

Build and maintain scalable systems.

Develop tools (Python, FastAPI, PostgreSQL).

Manage security policies.

Support our remote-first culture.

Requirements:

Experience with AWS and Python.

Ability to work independently in a remote environment.

Weekend availability (we release often).

Stack:

AWS, Python, FastAPI, NiceGUI, PostgreSQL, Vue.js

Email: usman.ashraf@activeprime.com

Trigger.dev (YC W23), we are currently hiring for 3 roles:

- Developer Relations Engineer | Hybrid UK or Europe remote | Full-time

- Support Engineer | Hybrid UK or remote | Full-time

- Senior Backend Engineer | Hybrid UK or Europe remote | Full-time

We are an open source developer platform for building and running managed workflows and AI agents, serving thousands of teams and handling hundreds of millions of executions per month.

We are looking for passionate devs who love solving challenging technical problems and want to directly contribute to a large commercial open source project.

Our stack: Node.js, TypeScript, Postgres, Redis, Remix, AWS

Learn more and apply here: https://jobs.ashbyhq.com/triggerdev

DigitalOcean’s Kubernetes Team Is Growing!

We’re expanding our Kubernetes team and hiring three Senior Engineer II roles to help build the future of Kubernetes at DigitalOcean. If you’re passionate about Kubernetes, Go, and distributed systems, and want your work to empower developers everywhere, this is your chance to make a real impact.

Join us to engineer at scale, innovate boldly, and help build cloud infrastructure that’s simple, elegant, and loved by developers around the world.

Fully Remote Open to U.S. hubs: Austin, Boston, Denver, San Francisco, Seattle

Apply here: https://www.digitalocean.com/careers/position/apply?gh_jid=7...

PeakFlow | Founding Engineer | Ruby on Rails + Hotwire (Full-Stack) | Hybrid (Vancouver, BC, CAN) | Full-time

We’re building a telehealth platform to make prescription medication access more accessible, and we’re looking for our first full-time engineer to help us build the next generation of our product from the ground up.

Stack: Ruby on Rails | Hotwire/Turbo | Monolith | PostgreSQL | Docker/Kamal | VPS/dedicated servers

We’re looking for someone who: - Loves Rails and follows the community - Ships fast, simple, well-crafted code - Thrives in ambiguity and early-stage ownership - Communicates clearly with non-technical founders - Wants to help shape architecture + engineering culture long-term

Does this sound like you? We’d love to hear from you! Please send us an intro along with your resume at careers@pfdigitalconsulting.com

We’re looking for an exceptional Staff Data Engineer to help us take our data platform to the next level. This is a high-impact role where you’ll architect and build scalable data infrastructure, empower data-driven decision-making, and help shape the future of fraud prevention. We’re scaling fast, and you’ll have the chance to shape the future of our data platform.

What You’ll Do: - Design and build robust, scalable, and secure data pipelines and infrastructure to support analytics, product intelligence, and machine learning. - Lead data architecture decisions, ensuring high performance, reliability, and maintainability across our platform. - Collaborate cross-functionally with product, engineering, and business teams to deliver data solutions that drive strategic insights and operational excellence. - Champion data quality and governance, implementing best practices for data validation, lineage, and observability. - Mentor and guide other data engineers, fostering a culture of technical excellence and continuous learning.

What We’re Looking For: - Proven experience as a staff-level data engineer in a fast-paced, product-driven environment. Engineering experience of 8+ years. - Experience in leading teams of other engineers to build a long-term technical vision and plans to achieve it. - Deep expertise in cloud data platforms (e.g., Snowflake, BigQuery, Redshift) and orchestration tools (e.g., Airflow, dbt).

Reach out to me: kwright@certifid.com, or apply at https://jobs.lever.co/certifid/279db3d1-9bdc-487b-9103-57ab1...

Location: Remote within the US

Kyra Health | Python/Typescript | Remote (USA) | Full Time

We believe there is a significant opportunity to improve healthcare quality and cost for employers, employees, and insurance companies; regulatory changes and LLMs mean it is time to build. We think we can provide a better experience for less money, and have multiple positive impacts on society. We have the idea, the funding, and the skills and knowledge to make it happen. We're looking for a few more strong engineers to help us build it.

Responsibilities

- Research, plan, scope, and design solutions to difficult problems while navigating laws, regulations, and standards in money movement and healthcare.

- Produce elegant and simple code that is architected and written for the long haul.

- Speed up overall development efforts.

- Help build a development environment and operational tooling that will be the envy of companies many times our size.

Must Haves

- Strong Python or TypeScript skills, or a strong background in another dynamic language.

- A burning desire to get things out the door and in the hands of users.

- Strong communication skills.

Reach out to me at n@kyra.health, or kick the process off at https://enghiring.kyra.health

Gambit Robotics | Senior Full-Stack Engineer | NYC | Onsite | Full-time

Hi!

I’m Nicole (Ex-Google AI), cofounder of Gambit Robotics with Eliot Horowitz (cofounder/CTO MongoDB). We’re hiring a Senior Full-Stack Engineer to work directly with us in our NYC office (in-person only).

Gambit is an AI-powered kitchen assistant that mounts magnetically under most range hoods or microwaves. It uses computer vision, thermal imaging, and on-device AI to understand what’s happening in the pan in real time, and handles the hardest parts of cooking — heat, timing, and doneness — so people get better results with less stress.

You:

- 7–10 years of experience

- Strong ownership and product sense

- Thrive in fast-paced, ambiguous environments

- Experience with IoT / hardware is a plus

We’re moving quickly from prototype to product and launching at CES with a Kickstarter in January. It’s a seed-stage startup with high autonomy, real impact, and a very intense (and fun) next few months.

If you or someone you know might be a fit, email me: nicole@gambitrobotics.com

-> https://www.gambitrobotics.ai/ -> https://www.youtube.com/watch?v=g9XfUgxY-Rg

Deep Kernel Labs (DKL) | Senior DevOps Engineer | REMOTE (Spain) | Full-time | €45-65K | https://dkl.digital

Hi, CTO/co-founder of DKL here. We are a multi-disciplinary team leveraging analytics and Artificial Intelligence, both generative and more traditional, to help a global client-base in the energy space solve complex problems and build systems that turn Data and AI into measurable business value.

DKL is a 30-strong, fully-remote 2.5yo company built around a 10yo core team where owners are all active engineers and whose growth is funded by its own revenue.

We are looking for a DevOps engineer who will work with our teams and leadership to define and implement solutions that are architected with the right balance between feature-set, cost, scalability, security, maintainability and tech debt in mind.

We have established a strong cloud-based baseline tooling ecosystem that we need to keep improving while we diversify to less vendor-locked alternatives and different efficiency profiles.

Find out more details about stack, skillset and the streamlined selection process at https://dkl.digital/join-us/sr-devops-engineer/

We strongly believe in growth within (and beyond) a role so do not be put off if you think your profile does not yet match some of the listed points. We are also happy to hear about why you think your value proposition exceeds the compensation bracket mentionned above.

Feel free to reach out directly to me at hn.recruiting at <our website's domain name> if you have questions.

Dragonfly | https://askdragonfly.com/ | Remote first (frequent trips to London, UK) | Full-time

We’re an early-stage startup at the intersection of system design, cloud infra, and AI, enabling companies to adopt the latest in GenAI, including agentic frameworks.

Backed by Tier 1 VCs, we’ve recently launched publicly and are already partnering with 20+ global brands.

Help us build the foundations of a generational product.

Watch our launch video - https://youtu.be/WW-42TdBhsE?si=L2YnfDi-ayFbKYdA

We also just launch our new feature called Architect - https://youtube.com/shorts/5Zmn2vo_89g?si=rGy31fN_1OTAf_sG

We're hiring for:

- Founder Associate | https://apply.workable.com/askdragonfly/j/C22EFA1814/

- Founding Product Engineer | https://apply.workable.com/askdragonfly/j/11ADB3CB35/

- Founding AI Engineer | https://apply.workable.com/askdragonfly/j/F866919D1B/

Songscription | Founding Engineer | San Francisco, CA | In-Person/Remote

At Songscription, we are building state-of-the-art AI models to automate music transcription, with the vision of enabling any musician to learn any song, on any instrument, at any level.

Apply at https://songscription.ai/careers and/or feel free to shoot me an email at alex (at) songscription.ai

BusbySim | Founding Engineer | London (Hybrid) | Full-time | TypeScript / React

BusbySim is a SysML v2 system safety platform helping engineers design safer aircraft and other safety-critical systems. We are early stage, already working with some of the UK's most interesting aerospace companies, and now looking for our first engineering hire. You will own hard product problems end to end, from custom language tooling to interactive modelling and safety analysis features, with real ownership and meaningful equity. Ideal for someone who enjoys first principles thinking, wants to shape the product and engineering culture, and is happy working close to customers.

To apply email recruitment@busbyventures.com. Full JD: https://tinyurl.com/busbysim-engineer

Atomic Tessellator | Front-end Engineer | REMOTE (UTC+12) | https://atomictessellator.com

We simulate materials at the atomic level for aerospace, defence, nuclear fusion, and advanced polymers. Our team of four built a near-comprehensive platform in the last year, we're the first to scale MLIPs across GPUs, and we're patenting our first rare-earth magnet substitute.

We're hiring a front-end engineer to take full ownership of our platform's UI, from testing to optimising performance to scientific visualisations.

Tech: Vue.js, TypeScript, Three.js, WebGL

More: https://atomictessellator.com/careers/front-end-engineer Apply: careers@atomictessellator.com

At CloudX (https://cloudx.io) we’re building a new supply-side advertising platform for mobile publishers. Yes, it's ads, and yes, there's AI involved, so stop reading here if that's not interesting to you.

It's a gnarly infra problem with huge scale, combined with an interesting product space that we think legitimately benefits from tasteful AI automation. We're doing cool things with Nitro Enclaves to prove that our auctions are fair. And our founding team have done this before with great success, first at MoPub (sold to Twitter) and MAX (sold to AppLovin).

We're hiring (all remote) for:

- Senior Fullstack Engineer https://jobs.gem.com/cloudx/am9icG9zdDogum5THF3fORqb1eEupFQx

- Senior Infrastructure Engineer https://jobs.gem.com/cloudx/am9icG9zdDo4vl4A1sEcc7sDQf8ZYiqR

- Senior Android SDK Engineer https://jobs.gem.com/cloudx/am9icG9zdDqPAWu1cxr3PmEuuTIdliI6

- Senior iOS SDK Engineer https://jobs.gem.com/cloudx/am9icG9zdDpOy3Qmt1fLsOu4gKwtwWTz

Our philosophy is to keep the team small, well-paid, and productive. We deploy every day and our monorepo CI suite takes about a minute to pass.

The best way to apply is directly through those jobs pages but if you have other questions you're welcome to email me at peter@cloudx.io. I always post here on HN because it's where I got my career started back in highschool; I will personally make sure you get a response if you apply.

Hi HN! CrossnoKaye is a Series C startup tackling climate change by transforming the heavy industrial sector. Our platform uses real-time optimization, advanced modeling, and modern cloud infrastructure to deliver 40% average energy savings and megaton-scale emissions cuts across industrial facilities. https://crossnokaye.com/

We’re hiring for 3 roles and looking for builders who want their work to have real-world climate impact:

1. Sr. Software Engineer - Control Systems |REMOTE (US)| This role would have the opportunity to support our control systems infrastructure initiative, which involves real-time control strategies, secure cloud communication, and large-scale system performance, all built in Go with AWS and Kubernetes. Deep Golang experience is a must-have.

2. Sr. Software Engineer – App Team | REMOTE (US)| In this role, you'd be partnering directly with physicists and data scientists on our Applied Science team to productionize cutting-edge research in physics simulation and optimization algorithms. Must have strong proficiency in Python and its data science ecosystem (e.g., numpy, pandas).

3. Sr. Software Engineer in Test | REMOTE (US)| We’re looking for a hands-on engineer who loves Python, backend frameworks, and automated testing. You’ll design and implement test frameworks for our ATLAS and Energy AI platforms, ensuring reliability across distributed, cloud-based systems. Must have strong proficiency in Python.

Interested? Email our team: careers@crossnokaye.com -- Please include a resume and the title of the role you're interested in within the subject line.

Thank you & I look forward to hearing from you!

Continua AI | https://continua.ai | Multiple Roles | ONSITE (NYC/Seattle) | Full-time | Salary + Equity

At Continua (http://continua.ai/), we're on our way to solving Social AI, and we're expanding our team! We've built an AI agent that users can invite into group conversations to make planning, coordination, and information retrieval effortless. We're social creatures and it just seemed to us a huge opportunity to bring AI into group settings. We've seen strong retention over the last few months and want you to help us bring our product to the next level. Try adding our agent at http://continua.ai/ to group chats and kick the tires! https://techcrunch.com/2025/08/12/google-vet-raises-8m-for-c...

I’m David (https://www.linkedin.com/in/dpetrou/), the founder and CEO. Before starting Continua, I was a Distinguished Software Engineer at Google. We’re backed by top-tier VCs (like GV) and incredible angel investors (like Jeff Dean). Our team is a fantastic bunch (http://continua.ai/team) of accomplished engineers and researchers from Google, Disney, and several AI startups. We're pretty clued in on the technology side and have a strong vision of how the transformative technology of the last few years along with our own secret sauce (not just a ChatGPT wrapper) can help a huge number of people.

We’re hiring systems and ML engineers: https://jobs.ashbyhq.com/continua/

You'll work on building and improving the best LLM group chat experience there is, including fine-tuning models to boost conversational quality and improve scalability and identifying novel ways to build a "memory" which leads to a personalized and unique experience for our users. You understand what it means to work at a fast-moving startup.

Oh, and we maintain a vibrant blog, including items of technical interest, at http://blog.continua.ai/. Check it out! :)

Sage Bionetworks (https://sagebionetworks.org/) | Principal SWE | Java, Python, TypeScript, Node.js | Remote (US) | Full time

Sage Bionetworks, a nonprofit focused on open science and accelerating biomedical research, is hiring a Principal Backend Research Software Engineer (US-remote). We build platforms like Synapse.org that enable global scientific communities to responsibly share data and generate insights, and we value people who thrive in collaborative, interdisciplinary environments.

In this role, you’ll lead architecture and backend development across our platforms. You’ll have broad autonomy to shape system design, prototype new capabilities, and work closely with scientists and product teams on tools that support cloud-based data workflows, large-scale computation, and emerging AI/ML use cases. Strong production engineering experience, deep Java skills, and comfort with cloud environments, CI/CD practices, and containerized systems are key; interest in scientific or data-driven applications is a plus.

Full post: https://sagebionetworks.org/careers/software-engineer-backen... Email: alberto.pepe@sagebase.org