Founding Algorithm Developer Job at YC Work at a Startup (New York)

Intern, Controls

Harbinger Motors is seeking a Controls Intern to contribute to the development o...

Location

United States , Garden Grove

Salary:

25.00 - 35.00 USD / Hour

Harbinger Motors

Expiration Date

Until further notice

Requirements

Experience with MATLAB / Simulink required
Experience with source control systems such as git, svn, mercurial required
Knowledge of hybrid / electric vehicle systems and components preferred
Experience with CAN monitoring tools such as CANalyzer, BusMaster, or similar preferred
Exposure to Classical / Modern Control theory preferred
Work authorized in the United States OR ability to obtain F-1 visa

Job Responsibility

Develop software algorithms in Simulink & Stateflow
Create physical models in SimScape to represent vehicle components and systems
Perform Model-In-The-Loop simulation tests for validation of control algorithms
Build Algorithm code using code generation tools
Debug issues in implemented code found in simulation testing or in-vehicle testing
Use vehicle communication instrumentation to root-cause issues identified
Assist with hands-on evaluation of controls performance in bench setups and in-vehicle
Software Requirements authoring and decomposition of system requirements
Develop fault detection for loss of communication or I/O
Develop fail-safe strategies for algorithms in response to detected faults

What we offer

A $1,000 relocation stipend is available for interns currently residing more than 50 miles from Garden Grove, CA

Fulltime

AI Engineer

AI Engineer position reports directly into the CEO, sitting at the core of the p...

Location

United Kingdom , London

Salary:

150000.00 - 200000.00 GBP / Year

Harmonic Operations™ | Certified B Corp

Expiration Date

Until further notice

Requirements

Expert-level Python skills
Experience shipping algorithms and AI evaluation pipelines
Hands-on experience with LLMs and prompt engineering
Familiarity with backend development and databases
Experience of with front-end UX (React)
Exceptionally clear written and verbal communication skills
A strong sense of ownership, urgency and accountability for outcomes
Comfortable working in fast-moving, ambiguous environments with a bias towards action

Job Responsibility

Develop and ship production-ready AI algorithms, building on and improving the company's proprietary approaches to significantly increase output quality
Lead the development of new and improved algorithms to push the limits of what is possible with large language models
Research, prototype and implement state-of-the-art techniques across LLMs, prompting and evaluation
Design and build a state-of-the-art evaluation pipeline to objectively measure output quality and guide R&D direction
Contribute to frontend development (TypeScript / React) to integrate AI capabilities directly into user-facing workflows
Build and maintain backend services and APIs, working with Postgres databases and production infrastructure
Research and implement advanced prompt engineering techniques to maximise the effectiveness and reliability of LLM-driven systems
Work closely with the founding team to translate product ideas into practical, scalable AI solutions
Ship quickly, gather customer feedback, and iterate relentlessly based on real-world usage
Clearly communicate technical decisions, trade-offs and outcomes to both technical and non-technical stakeholders

What we offer

meaningful equity

Fulltime

Network Engineer Senior Level

ITC is a Woman Owned Small Business delivering exceptional consultation to the U...

Location

United States , Fort Meade

Salary:

160000.00 - 200000.00 USD / Year

Integrity Technology Consultants

Expiration Date

Until further notice

Requirements

Minimum of 3 years as a Network Engineer (within the last 3 years)
Cisco routers, switches, and firewalls
Proficient with Linux and Windows
IAT level III
CCNA or CCNP certification
Security+ certification
Must currently possess an active NSA TS/SCI with FS Polygraph
Bachelor’s degree from an accredited college or university in Computer Science, Mathematics, or related discipline
Twelve (12) years’ experience in programs and contracts of similar scope, type, and complexity is required
Four (4) years of additional network engineering experience may be substituted for a bachelor’s degree

Job Responsibility

Provides assistance in all aspects of network management from network design through implementation, maintenance, and upgrading of existing networks
Analyzes design, specifications, and related documents
Implements communication system requirements to support the distributed functionality of a software engineering environment
Analyzes network characteristics (e.g. traffic connect time, transmission speeds, packet sizes and throughput), troubleshoots problems and recommends procurement of and/or modifications to network components
Minimize network latency and maximize data throughput through design analysis and network performance monitoring tools
Develops algorithms used in modules or incorporated into models associated with the research and development of technologies and systems
Ensures that all material received is inspected for evidence of tampering and, if any is found, submits a report of suspected physical incident immediately
Configure and maintain organization's network diagrams and accreditations
Integrate hardware and software to satisfy ISO 9000 requirements and other DoD/IC regulations
Design, integrate, test, and deploy solutions to established network issues

What we offer

401K plan with company contributions (safe harbor and profit sharing)
11 Federal holidays, 21 Days PTO
Medical, Dental, & Vision with substantial company contributions
Company provided Life, LTD and STD Insurance
Health Savings Accounts/ Flexible Spending Accounts
Referral Bonuses
Performance Bonuses
Tuition Assistance for Education, Training, and Professional certifications
Career Development

Fulltime

Founding Product Engineer

As our Founding Product Engineer, you'll architect and build engaging user exper...

Location

United States , San Francisco

Salary:

150000.00 - 250000.00 USD / Year

Flint

Expiration Date

Until further notice

Requirements

Frontend engineering experience (Typescript, Next.js, Tailwind CSS)
Regularly use AI IDEs like Cursor or Windsurf to code
Passionate about helping companies make beautiful and performant web presences
Genuinely interested to push the boundaries of what AI is capable of
Take ownership from problem to solution, learning whatever you need to succeed
Love building MVPs, testing them with users, and iterating quickly

Job Responsibility

Architect and build the core product interface using React, Next.js, and Tailwind CSS
Create and implement the configuration systems that control page design elements and components
Be a key stakeholder in discussions on implementing design systems and component libraries in Flint website templates
Build "taste" into the AI by developing algorithms that understand design principles and brand consistency
Prototype rapidly with users and translate learnings into durable features
Own projects end-to-end: from prototypes that test new ideas with users to production systems that serve as the foundation for our platform

What we offer

Historic office in Jackson Square (with 2 rooftops and a shower)
A crazy upside-down battlestation
20 PTO days a year and full health benefits
Lunch and a fully stocked snack bar at the office, incl. Cometeer coffee pods
Dog friendly
Competitive salary + equity

Fulltime

Founding Software Engineer (Data/ML)

Koah Labs is building the ad network to power the next generation of AI-native p...

Location

United States , San Francisco

Salary:

150000.00 - 300000.00 USD / Year

Koah Labs

Expiration Date

Until further notice

Requirements

You like debugging and optimizing performance
You are detail oriented and use data to support your claims
You enjoy digging deeply and owning the platform side supporting product
You enjoy experimentation, measuring, and creating reliable systems

Job Responsibility

Build data pipelines using Debezium to stream real-time changes from PostgreSQL to our OLAP database for analytics workloads
Reduce p99 latency in critical write paths by optimizing SQL query execution plans, implementing robust retry mechanisms, and enforcing strict timeouts for third-party services
Tune conversion and clickthrough rate metrics in our core ad matcher from analyzing impression and click data
Enhance ad matching algorithms using regression analysis to identify data patterns and develop hypotheses for new predictive features that improve conversion likelihood
Set up experiment tracking and observability with logs and custom metrics that make it easy for us to understand why certain ads are chosen

What we offer

Meaningful Equity
Offers Bonus

Fulltime

Routing Protocol Development Engineer

Contribute to shaping HPE’s vision for next-generation data Centre and enterpris...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Computer Science, Information Systems, or equivalent
Typically 5-8 years experience
Strong passion for systems programming in C/C++ with a solid grasp of complex data structures and algorithms
Good understanding of computer networking fundamentals and the functioning of the TCP/IP stack
Sound knowledge of multiprocessing and parallel processing concepts, with the ability to design safe, scalable, and high-performance software
Development experience with one or more routing protocols such as PCEP, BFD, OSPF, IS-IS, BGP, L2VPN, L3VPN, MVPN, RSVP, LDP, or Segment Routing is a strong plus
Strong problem-solving skills with the right aptitude, attitude, and eagerness to learn
Self-driven, motivated, and quick learner, willing to explore new areas in routing protocols and networking infrastructure
Hands-on experience debugging complex systems involving multiple processes and threads, including analysis of crashes, scalability and performance issues, packet loss, memory leaks, inter-process communication, and memory corruption
Excellent oral and written communication skills, with the ability to work effectively and collaboratively in a team-oriented environment

Job Responsibility

Own and drive end-to-end development of routing protocol features, including requirement elaboration, technical design, implementation, and unit testing
Design and develop high-quality, scalable, and robust protocol software with a strong focus on correctness, performance, and maintainability
Develop and maintain unit tests and test automation frameworks to ensure high code quality and early defect detection
Actively support functional and system testing, including debugging and fixing defects found during integration, scale, and customer-like test scenarios
Participate in and lead design reviews, requirement reviews, and code reviews for work delivered by self and other team members, ensuring adherence to best practices and architectural guidelines
Read, interpret, and implement IETF RFCs and Internet-Drafts, translating standards into production-grade implementations
Leverage AI-assisted development tools to improve productivity, automate repetitive tasks, enhance testing, and deliver features efficiently without compromising quality
Collaborate effectively with cross-functional teams including architecture, QA, systems, and customer support to deliver high-impact networking solutions

What we offer

Health & Wellbeing
Personal & Professional Development
Unconditional Inclusion

Fulltime

Founding Editor

You’ll be our very first Snappr News editor and a member of the founding team. Y...

Location

Philippines , Metro Manila; Ortigas, Manila

Salary:

40000.00 - 80000.00 PHP / Month

Snappr

Expiration Date

Until further notice

Requirements

Excellent Lightroom, Photoshop and Premiere Pro skills
Strong editing portfolio of at least one of the following: photojournalism, portrait, or street
Ability to work at a furious pace when deadlines are tight
Extreme attention to detail
Excellent written communication skills

Job Responsibility

Play a leading role in developing the visual style of Snappr News
Select photos, including hero images
Edit photos and videos with lightning speed
Write and edit captions, tags and keywords
Provide feedback to visual journalists
Train AI algorithms to assist you with the above
Help manage our proprietary instant upload hardware and backend
Contribute in broad ways to shape the business model and early growth

What we offer

Eligible for 10,000 to 20,000 PHP/month incentive bonus
Generous equity
Healthcare

Fulltime

Founding Software Engineer - Data Platform

As the Founding Software Engineer on our Data Platform team at Arlo, you will bu...

Location

United States , New York City

Salary:

200000.00 - 220000.00 USD / Year

Arlo

Expiration Date

Until further notice

Requirements

3+ years of experience as a backend engineer, data engineer, or software engineer with exposure to data pipelines and large-scale infrastructure
Strong understanding of data structures, algorithms, and scalable system design
Demonstrated ability to design secure, robust, and scalable infrastructure for data and backend systems
Hands-on experience with big data tools (e.g., Spark) and pipeline orchestration platforms (e.g., Dagster, Airflow, Prefect)
Proficiency in a backend programming language like Python and solid SQL skills for querying and database design
Familiarity with cloud platforms (AWS, GCP, or Azure) and their data services

Job Responsibility

Design and build scalable data pipelines that process billions of healthcare claims records
Develop robust ETL workflows to ingest, normalize, and transform medical data from multiple sources
Create infrastructure for real-time ML inference serving hundreds of millions of predictions
Build developer tooling to accelerate the work of our data scientists and ML engineers
Architect and implement monitoring systems to ensure data quality and model performance
Optimize PySpark code for feature construction to improve performance and efficiency

What we offer

performance bonus
equity
High ownership
Join an important mission
Growth & expansion
Apply AI to a problem that matters
High pace, high collaboration

Fulltime

Founding Algorithm Developer

YC Work at a Startup

Location:
United States , New York

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
January 07, 2026

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