Onja | Back end Developer, Course Design & Full stack Developer Course Design| Full-Time | ONSITE - Madagascar

Looking to join a social-impact driven company? Are you a software developer ready to use your skills for good? Onja trains underprivileged youth into world-class software developers. We are on the lookout for Course Designers who can help our students go from ‘what is coding’ to working in Global tech teams.

Help build a scalable course that will help train Madagascar’s brightest young people, while working alongside a team of talented, fun colleagues from all over Madagascar and the world.

Please apply through the following links: Full Stack Developer, Course Design: https://onja.org/careers/full-stack-developer-course-design Back-End Developer, Course Design: https://onja.org/careers/back-end-developer-course-design

Curipod | Senior Software Engineer | Full time | Remote (US-based) ($160-200k + equity)

Curipod founder here.

Curipod is the *AI-powered instruction platform* for *lessons* that *students love*

1M+ Monthly Students and growing fast.

Most of the engineering team are former founders and CTOs. Join us to redefine how classroom lessons are done natively with AI.

Lots of fun with Typescript, Postgres and NodeJs.

I’m hiring for multiple roles.

Senior Software Engineer | Frontend

Platform Engineer

Product Engineer

Apply here: https://curipod.com/careers

Seeking Work | Remote/Onsite | Full-Time/Freelancer/Contractor Location: Delhi, India Remote: Yes Willing to relocate: Yes

Technologies: Python/Django, Docker, Linux, React, TypeScript, JavaScript, Redux, HTML, CSS, SQL/Postgres/Sqlite

I am also happy and able to learn new languages, tools, and frameworks as necessary.

Resume/CV: https://arun.tiiny.site/

Email: dvcoolarun[at]gmail.com

GitHub: https://github.com/dvcoolarun

Summary: I have been working in the web development space for the last 7-8 years. I have experience building large-scale web applications using the React/Django Stack and have shipped multiple projects in the past. I have worked in multiple domains including E-commerce, Travel, Carbon Emission, Payment, and Automation, and have built SPA, Dashboards, Landing Pages, email templates, and Python automation scripts.

I am always looking for interesting and challenging projects and enjoy collaborating with smart individuals.

Feel free to contact me :)

bld.ai | Senior Data Scientist | Singapore | Hybrid (non-remote) | Relocation OK | Full-time

Lead client-facing AI + data science projects for enterprise clients. 6–10 yrs applied ML/AI experience, strong MLOps + data strategy background. Consulting or enterprise experience required. Salary 125–140K SGD. Master’s/PhD nice but not required.

Email priscilla.mariana@bld.ai

Gigs (YC W21) | Multiple US & EU Locations (SF, NY, Berlin, London) | Full-time At Gigs, we're building the operating system for mobile services - a platform that enables tech companies to seamlessly embed connectivity into their products. Klarna's US mobile plan is powered by Gigs!

We are looking for exceptional candidates, looking to do the best work of their careers, across a wide range of roles:

- Senior Backend Engineer(s) - Senior Full Stack Engineer(s) - Technical Product Manager(s) - Implementation Manager(s); Talent Partner(s)

To review all open roles and benefits, go visit our career page https://gigs.com/careers

Localstack | REMOTE | We are a fast-growing Series A startup building cutting-edge technology to revolutionize cloud development processes and support highly efficient dev&test feedback loops. We’ve closed our last $25mil round in Q4 2024, led by Notable Capital, CRV and Heavybit.

Please check our careers website: https://www.localstack.cloud/careers

In particular, I'd like to highlight the Database Internals position to work on our high-fidelity Snowflake emulator.

Senior Software Engineer - Database Internals https://apply.workable.com/localstack/j/5277ABA239/

This could be a great opportunity to get into the space of data processing or continue working in this area.

Raylu.ai | Engineers (Backend/Frontend/Full-Stack), Senior Data Engineer, Senior AI Engineer, Senior Product Engineer | New York City | ONSITE | Full-time | $165k–$250k base + $100k–$200k equity | https://jobs.gem.com/raylu-ai

Raylu automates private-market investing workflows with LLMs. Beachhead: sourcing—mass-scale agentic search + AI-first workflow so funds go from lead → memo fast. Series A (Oct ’25), $12M raised; team of 7, fully in-office (Midtown Manhattan).

Stack: TypeScript/Node, React/Next.js, Redis, Temporal, Python, Dagster, DuckDB, modern cloud. Benefits: Health/dental/vision, 401k (3% automatic), paid lunches, wellness + Citi Bike. Apply: https://jobs.gem.com/raylu-ai

Senior Backend Software Engineer, Rive.app Remote U.K. Full time. We're on a mission to make hard-coded graphics a thing of the past with a new general-purpose graphics format for all types of software and Ul.

The backend team builds and operates the systems behind Rive’s cloud platform, focusing on the services and infrastructure that provide the core APIs, real-time collaboration, file storage, and background processing for the editor. We also own a few full-stack services that power the marketplace and customer-facing experiences, with the ability to rebuild big parts of the backend.

Requirements 8+ years of professional software engineering experience, specifically in backend and infrastructure. Proven track record of owning and delivering backend services for SaaS-based products that are widely relied upon by active users. Node.js experience, or strong experience in multiple programming languages and evidence of learning new ones quickly. Experience with cloud infrastructure (AWS preferred), infrastructure as code, and container orchestration. Strong SQL skills, including hands-on experience with query analysis and optimization. Ability to work independently in ambiguous situations: seek out requirements, make sound decisions, and prioritize effectively. Excellent communication skills, with willingness to work directly with customers when needed.

apply: https://apply.workable.com/rivecareers/j/E4C131B413/

Patrick J. McGovern Foundation | REMOTE (US) | Full Time

We're hiring an experienced Full Stack Developer to join our Products and Services function. This role is ideal for a developer with 3+ years of full-stack experience and strong proficiency in Python-based codebases.

If you're passionate about coding for impact and building and deploying AI-powered products that serve humanity, learn more and apply: https://jobs.lever.co/mcgovern/db2123a6-d682-43db-bbd7-f198e....

Know someone who’s a good fit? Referrals welcome at people@mcgovern.org.

Agile Six | Remote (US) | https://agile6.com/ | Full-time

A6 is hiring an Enterprise Engineering Strategist! Pay's $207,132.

https://job-boards.greenhouse.io/agilesix/jobs/7518746003

Agile Six is a people-first, remote-work company that serves shoulder-to-shoulder with federal agencies to find innovative, human-centered solutions. We build better by putting people first. We are animated by our core values of Purpose, Wholeness, Trust, Self-Management and Inclusion. We deliver our solutions in autonomous teams of self-managed professionals (no managers here!) who genuinely care about each other and the work. We know that’s our company’s purpose – and that we can only achieve it by supporting a culture where people feel valued, self-managed, and love to come to work. *TL;DR*: We're a federal contractor.

As an Enterprise Engineering Strategist at Agile Six, you will leverage your deep expertise in software engineering, emerging technologies, and applied AI to strengthen and evolve engineering practices across the organization. This role combines hands-on project work with enterprise-level coaching, focusing on how AI-informed tools, patterns, and approaches are redefining what it means to design, build, and deliver software. You will help Agile Six navigate this transformation – guiding teams as engineering roles, workflows, and required skills evolve – and play a pivotal role in shaping the future of engineering and applied AI practice at Agile Six.

Feel free to drop me a line at strong.dot4349@tenesm.us if you'd like more information about what it's like working at A6 (it's pretty great). I can't exactly refer you if I don't know you and haven't worked with you, but I can make sure your résumé gets seen by fresh eyes.

Atomscale | On-site Boston, MA | Full time

We're looking for a talented Applied AI/ML Engineer to join our team in Boston, MA.

If you’re excited by the idea of applying machine learning to real-time materials processing and enabling atomic-scale precision in manufacturing, we’d love to talk. This role bridges AI, high-performance computing, and advanced materials science—helping shape the future of semiconductor and nanotech innovation.

Join us at the intersection of AI and materials, where your models directly impact how next-generation materials are discovered and produced.

Learn more and apply here: https://www.atomscale.ai/careers/applied-ai-ml-engineer

Hudson River Trading | Hybrid | Full-time We’re a quantitative trading firm based in NYC that trades hundreds of millions of shares each day across 200+ markets worldwide. Our developers and engineers build the high-performance systems that power automated trading globally.

We’re hiring for: Experienced Software Engineer – Systems Development » Seattle, Boulder, LND, Dublin, NYC

You’ll build and improve the Python-based platform used across our Systems teams to provision, monitor, and manage our global infrastructure. We’re looking for strong Python developers who enjoy working close to the operating system and automating large-scale environments. Solid Linux/Unix experience required.

Apply here: https://www.hudsonrivertrading.com/careers/?search=systems+d...

At IP Fabric, we’re redefining how enterprises see their networks. Our platform uncovers the truth hidden inside complex infrastructures — automatically discovering and modeling massive network graphs in real time.

We’re now looking for a Senior Backend Developer to help us shape the future of our Network Automation Engine — the brain behind our Discovery Service.

You’ll build a distributed service responsible for scanning large-scale computer networks (hundreds of thousands of devices), collecting configuration and topology data, and building an accurate network graph. The service is being redesigned for parallel exploration to significantly improve performance, scalability, and data freshness, while ensuring correctness and avoiding duplicate discovery paths

We’re heavy on Node.js/TypeScript, exploring Go, and thrive on clean, scalable, and resilient design.

If you love distributed systems, own your code end-to-end, and want to join a team of engineers who build the tools they once wished they had — we’d love to talk.

Prague or Remote (EU) Learn more & apply: ipfabric.io/jobs-listing/?gh_jid=4651659101

tulanā | Berlin / remote | Senior Software Engineer | https://tulana.notion.site/Senior-Software-Engineer-m-f-d-2a...

We are a bootstrapped, profitable startup leveraging stochastic optimization, simulation, and machine learning to optimize decisions at scale. What we love: Scala and Nix, principled and reliable solutions and suckless systems.

Feel free to get in touch directly with the CTO: https://www.linkedin.com/in/maxbarkhausen/ | max@tulana.io

Rivian Automotive | Staff ML Engineer Perception | Full - Time | Hybrid | London | - https://careers.rivian.com/careers-home/jobs/24822?lang=en-u...

The ultimate goal of Rivian's new AI Hub in London is to accelerate the development of our Autonomy Platform to achieve higher levels of autonomous capability, making our vehicles safer, more technologically advanced, and "time-restoring" for our the users.

About us in general: We’re a US-based EV company building groundbreaking electric trucks, SUVs, and commercial vehicles — and an integrated ecosystem of hardware, software, and services in order to keep the world adventurous forever.

Also, other roles that we have opened for the London office can be seen here:

https://careers.rivian.com/careers-home/jobs?sortBy=relevanc...

American Equity / Brookfield | https://american-equity.com/ | Full-stack Engineer with Optimizely CMS experience (Mid/Senior-level) | Full-time | Hybrid in New York City, NY or Des Moines, IO

American Equity is a market leader in fixed annuities. We're a subsidiary of Brookfield with a trillion under management.

We're based out of Des Moines and have typical large mid-western company down-to-earth lifetime-employment work-life-balance culture. At the same time, we are very lean and are growing quickly. If you want to build large enterprise applications from scratch using latest frameworks and cloud services, give us a look.

Our stack is React/Next.js/.NET on AWS with Optimizely CMS.

If interested, apply here: https://grnh.se/4pb0emxe7us

Base: $100,000 - $140,000 + bonus + benefits + perks!

Adalat AI | https://www.adalat.ai | Remote (India, but open to global for exceptional candidates) | Go, React, Next.js, k8s We're Hiring at Adalat AI: Join Us in Building the Future of Justice Adalat AI is on a mission to transform India’s judicial system with cutting-edge AI — reimagining courtroom workflows from transcription to summarization, just as UPI transformed payments and Aadhaar revolutionized identity verification. Deployed across 10 states and recently launched at the Delhi High Court, our platform is backed by global foundations and built by a team with roots at Harvard, Oxford, MIT, and IIIT-Hyderabad.

Roles:

- 2 X Fullstack Engineer – Own end-to-end feature delivery across React/Next.js, Go services, with Postgres as your database: https://www.adalat.ai/careers/full-stack-engineer

- Senior Site Reliability Engineer - Manage Kubernetes clusters, streamline complex deployments with ArgoCD, and ensure reliability for a system processing sensitive, real-time data: https://www.adalat.ai/careers/site-reliability-engineer

Why Adalat AI?

- Mission-driven: Your work has real-world impact—helping untangle India’s court backlog, improving access to justice for millions.

- Remote-first: Work from anywhere.

- Unlimited PTO: Yes, seriously.

- Unique environment: Co-design with judges, legal experts, and researchers. Publish, learn, grow. We value tech, law, and impact equally.

Send your resume and cover letter to careers@adalat.ai, using the subject lines:

- Fullstack Engineer | [Your Name]

- Senior SRE engineer | [Your Name]

Coast | https://coastpay.com/ | Product Engineer, Full-stack Engineer (Mid/Senior-level) | Full-time | Hybrid in New York City, NY

Coast is re-imagining the trillion-dollar U.S. B2B card payments infrastructure, with a focus on the country’s 500,000 commercial fleets, 40 million commercial vehicles, and many million commercial drivers. Coast's mission is to deliver modern digital experiences, affordable and transparent financial services products at a transformational scale, and to improve working lives in one of the country’s biggest industry sectors.

Coast is competing and winning with software, and we are building a world-class engineering team. We are looking for full-stack product engineers across mid to senior levels.

If interested, apply here: https://job-boards.greenhouse.io/coast/jobs/4000170004

Base: $160,000 - 215,000 + equity + benefits and fun perks!

Ontic | Principal Software Engineer - Full Stack | Full-Time | Remote (US) | 220k-240k USD + bonus + equity

Ontic provides software that helps corporate and government security teams identify threats, assess risk, and respond faster to keep people and organizations safe.

Seeking a passionate full stack engineer with deep expertise across frontend and backend systems. You thrive on solving complex technical challenges, architecting scalable solutions, and mentoring teams to raise the bar.

Apply here: https://jobs.ashbyhq.com/Ontic/1b077490-2d07-4f2a-9ff9-7ddd3...

ChainSecurity | Blockchain Security Engineer | Full-time | INTERNS , HYBRID/REMOTE, Zurich, Switzerland | VISA possible | https://chainsecurity.com/

ChainSecurity is a young and innovative cybersecurity company that operates in the blockchain and cryptocurrency space. Our mission is to make the blockchain space secure and trustworthy for people, companies, and governments alike. We are proud of our security experts from the renowned universities ETH Zurich, EPFL Lausanne and others. We are trusted by 100+ blockchain companies and established corporations with security audits and services. We have secured complex systems for top blockchain clients, such as decentralized finance (DeFi) projects, and multinational organizations, such as banks and industrial consortia.

A ChainSecurity Auditor will review the most complex blockchain projects to find vulnerabilities which no-one else can. By using state of the art tools, expert knowledge and a deep understanding of the fundamentals, we secure projects handling billions, often forming the foundation in the new paradigm of an open financial system.

Your Responsibilities:

* Work directly with the developers of the most successful teams in the blockchain industry to audit their code and secure their products

* Contribute to our security tools and create new ones in collaboration with our internal research team

* Conduct security research and publish your findings

Requirements:

* Strong background in software engineering, focused on security relevant areas and most importantly being able to reason about complex code

* Experience with penetration testing, vulnerability scanning, threat modeling or similar is a plus

* Good knowledge of cryptography

* Proficiency with Linux and Git

* Good written communication skills

* Fluent in OOP programming language

Bonus Points:

* Formal Verification, White Box, Vulnerability Scanning

* Solid Blockchain Knowledge

* Consensus Algorithms

Join us here: https://www.chainsecurity.com/jobs/blockchain-security-engin...

Questions about the role? Contact: jobs@chainsecurity.com