Technical Ex-Founder Job at PostHog

Founding Engineer

Founding Engineer – AI Voice Startup. On-site (5 days/week) | Series A | World-C...

Location

United Kingdom , London

Salary:

300000.00 GBP / Year

Oho Group Ltd

Expiration Date

Until further notice

Requirements

Highly experienced engineers, ideally ex-founding engineers or ex-founders
Proven track record of building and shipping LLM-based products in production
Strong system design skills and sound engineering judgement
Comfortable operating without heavy process or hierarchy
Product-minded, commercially aware, and execution-focused

Job Responsibility

Design and build core AI voice products from the ground up
Take ownership of critical systems end-to-end
Ship production-grade LLM-powered features used by real customers
Make foundational technical and product decisions that will last years
Operate with startup-level speed, responsibility, and ambiguity

What we offer

Equity upside at a meaningful stage (post–Series A)
Opportunity to grow into senior technical or leadership roles as the company scales

Fulltime

Founding Algorithm Developer

FLEETLINE WRITES OPTIMIZATION ALGORITHMS FOR LARGE TRUCKING COMPANIES. AFTER A R...

Location

United States , New York

Salary:

Not provided

YC Work at a Startup

Expiration Date

Until further notice

Requirements

Has experience writing optimization algorithms (MILPs, ML, DP, RL, stochastic models, heuristics, or similar)
A generalist who can operate across the stack when needed
Ships code fast and often
not a perfectionist
Comfortable working in ambiguity with incomplete information
Extremely hardworking when part of a strong, mission-aligned team
Background may include top startups or big tech, ex-founder / founding engineer experience, or serious side projects that are shipped and live
Comfortable with Python and TypeScript
US citizen/visa only
In office in New York City is required

Job Responsibility

Build and scale core optimization algorithms used directly in production
Write optimization systems (e.g. MILPs, LPs, heuristics, etc.)
Build and maintain data pipelines that operate at real production scale
Move quickly from idea → implementation → customer usage
Contribute to long-term product and technical direction
Willingness to do whatever is needed technically, from deep algorithm work to integration and tooling
Comfortable being forward-deployed: talking to customers, understanding constraints, and solving concrete problems

Fulltime

New

Store Associate

Retail Store Associates play a meaningful role within the CVS Health family. The...

Location

United States , Merced

Salary:

16.90 - 23.90 USD / Hour

CVS Health

Expiration Date

April 17, 2026

Requirements

At least 16 years of age
Physical requirements: remaining upright on feet for sustained periods
lifting and exerting up to 35 lbs occasionally, up to 10 lbs frequently
close visual acuity

Job Responsibility

Providing differentiated customer service by anticipating customer needs
focusing on the customer with warm greetings and help
accurately perform cashier duties
maintaining the sales floor by restocking shelves, checking vendors, updating pricing
supporting opening and closing store activities
providing customer support to all departments including photo and beauty
assisting pharmacy personnel when needed
embracing new CVS services and loyalty programs

What we offer

Affordable medical plan options
401(k) plan with matching company contributions
employee stock purchase plan
no-cost wellness screenings
tobacco cessation and weight management programs
confidential counseling
financial coaching
paid time off
flexible work schedules
family leave

Parttime

New

Operations Support Administrator

We are looking for an experienced Operations Support Administrator who loves det...

Location

New Zealand , Auckland CBD

Salary:

Not provided

Parker Bridge

Expiration Date

Until further notice

Requirements

5+ years’ experience in senior admin, operations support, or compliance-focused roles
Strong systems capability and excellent attention to detail
Confident juggling volume, deadlines, and priorities
Advanced Excel and Microsoft Office skills
Calm, reliable, and comfortable working independently
A people person who enjoys helping others

Job Responsibility

Provide high-level support to the Operations and leadership teams
Manage compliance and operational processes across various platforms
Coordinate asset movements, licences and service bookings
Maintain accurate data across systems and spot issues before they become problems
Support People & Culture, Health & Safety, and general head office operations

New

Sen teaching assistant

Are you seeking a permanent, term-time role where you can join a specialist scho...

Location

United Kingdom , Reigate

Salary:

22633.00 - 24733.00 GBP / Year

Randstad

Expiration Date

March 10, 2026

Requirements

Must Have: GCSE Maths and English or equivalent
Must Have: Eligibility to work in the UK
Experience: Experience working or volunteering with children or young adults
Desirable: Level 2 Diploma in teaching and learning

Job Responsibility

Supporting young people with complex needs in a dedicated educational setting
Providing support that goes beyond academics, focusing on personal development, life skills, and overall well-being
Working in a vibrant environment where no two days are the same, making a real, lasting impact on students' lives

What we offer

Free On-Site Parking
Top-of-the-range technology and resources in two well-equipped buildings
Brilliant Career Progression Opportunities supported by a dedicated Senior Leadership Team

Fulltime

New

Business development executive

Pro-actively hunt clients, target organizations by networking, cold calling, adv...

Location

India , Vadodara

Salary:

Not provided

Spaculus Software

Expiration Date

Until further notice

Requirements

Experience 1+

Job Responsibility

Pro-actively hunt clients, target organizations by networking, cold calling, advertising or other means of generating interest from potential prospects
Establish communications with those businesses that can benefit from our Company's services
Conduct extensive market research prior to starting up your business and continue gathering information throughout the life of the business
Further develop multi-tier relationships to organically grow the clients' accounts
Plan approaches and pitches
Work with a team to develop proposals that speak to the clients needs, concerns, and objectives
Closes business deals by coordinating requirements
developing and negotiating contracts
integrating contract requirements with business operation
Build referral and lead generation network

Fulltime

New

Personal Assistant

This globally recognised organisation, based in central Auckland is well known f...

Location

New Zealand , Auckland

Salary:

Not provided

Parker Bridge

Expiration Date

Until further notice

Requirements

Previous experience in a similar PA role, ideally supporting a senior executive of HNW
Excellent organisational and time-management skills, able to work at different time zones
Strong communication and interpersonal abilities able to coordinate with service providers
High level of discretion and confidentiality
Proficient in Microsoft Office and calendar management tools
Ability to multitask and remain calm under pressure
Flexibility to manage both professional and personal support tasks

Job Responsibility

Manage and maintain the Director's calendar, including meetings, appointments, and personal engagements
Coordinate domestic and international travel arrangements
Liaise with internal stakeholders and external contacts on behalf of the Head
Assist with personal tasks and errands for the family
Handle confidential information with integrity and discretion
Tracking expenses and invoices from projects, liaising with accounts team for payments
Organise events, family activities, and ad-hoc requests as required
Prepare documents, presentations, and reports as needed

What we offer

Competitive remuneration pro- rated
Flexible, part-time hours to suit your lifestyle
A supportive and collaborative work environment
Opportunity to make a meaningful difference by supporting impactful leadership

Parttime

New

Store Associate

Retail Store Associates play a meaningful role within the CVS Health family. At ...

Location

United States , Saint Simons Island

Salary:

15.00 - 19.00 USD / Hour

CVS Health

Expiration Date

April 17, 2026

Requirements

At least 16 years of age
Remaining upright on the feet, particularly for sustained periods of time
Lifting and exerting up to 35 lbs of force occasionally, up to 10 lbs of force frequently, and a negligible amount of force regularly to move objects to and from, including overhead lifting
Visual Acuity - Having close visual acuity to perform activities such as: viewing a computer terminal, reading, visual inspection involving small parts/details

Job Responsibility

Providing differentiated customer service by anticipating customer needs, demonstrating compassion and care in all interactions, and actively identifying and resolving potential service issues
Focusing on the customer by giving a warm and friendly greeting, maintaining eye contact and offering help locating additional items, when needed
Accurately perform cashier duties - handling cash, checks and credit card transactions with precision while following company policies and procedures
Maintaining the sales floor by restocking shelves, checking in vendors, updating pricing information and completing inventory management tasks as directed by store manager
Supporting opening and closing store activities, when needed
Providing customer support to all departments, including photo and beauty, ensuring departments are fully stocked and operational while remaining current with all updated services and tools
Assisting pharmacy personnel when needed, including working regular shifts in the pharmacy as part of opportunities for growth and career development
Embracing and advocating for new CVS services and loyalty programs that support our purpose of helping people on their path to better health

What we offer

Affordable medical plan options
401(k) plan (including matching company contributions)
Employee stock purchase plan
No-cost programs for all colleagues including wellness screenings, tobacco cessation and weight management programs, confidential counseling and financial coaching
Paid time off
Flexible work schedules
Family leave
Dependent care resources
Colleague assistance programs
Tuition assistance

Parttime

Technical Ex-Founder

PostHog

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
February 21, 2026

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