Software Engineer, Codex App Job at OpenAI (San Francisco)

Staff Android Software Engineer, Cash App Consumer Platform

It all started with an idea at Block in 2013. Initially built to take the pain o...

Location

United States , New York

Salary:

263600.00 - 395400.00 USD / Year

Cash App

Expiration Date

Until further notice

Requirements

Platform or infrastructure builder's mindset. You've built systems for engineers as your customers, and you care deeply about developer experience
A high agency mindset - if you see a problem you take the initiative to find a solution
10+ years of Android development experience with a demonstrated track record of impact at organizational scope
BA/BS degree in Computer Science or equivalent practical experience
Proven organizational leadership. You've driven large-scale technical initiatives across multiple teams and left systems meaningfully better
AI-native development practice - You actively use AI-assisted development tools and have a strong, evolving point of view on where AI creates real leverage in engineering - and where it falls short
Strong systems thinking - You identify non-obvious problems and design solutions that are simple enough to be right
Exceptional communication - crisp design docs, productive design reviews, and the ability to build alignment across senior engineers and non-engineers alike
Deep Android expertise - Kotlin, Jetpack Compose, modern architecture patterns, build systems, performance profiling, and testing at scale
Experience building developer platforms, shared libraries, or internal tooling used across large engineering organizations

Job Responsibility

Build and Own the Android Platform
Own and evolve foundational Android infrastructure: modularization, dependency injection, navigation, deep linking, and app lifecycle systems
Design and deliver shared libraries and frameworks that feature teams rely on daily with developer and AI ergonomics as a first-class concern
Drive Cash App's Android architecture forward, making high-leverage decisions that compound over time
Invent thoughtful Android platform tech and open source it where it creates value for the broader community
Develop and steward rapid experimentation in support of the fast iteration enabled by the AI world
Build upon observability and performance tooling that gives engineers and on-callers clarity and confidence
Partner with iOS, Web, and backend engineers to deliver consistent, high-quality cross-platform experiences
Lead as an AI-Native Engineer
Evolve how Cash App's Android engineering org uses AI

What we offer

Remote work
medical insurance
flexible time off
retirement savings plans
modern family planning

Fulltime

Software Engineer, FOX Forward Deployed

FOX Forward Deployed is an 12-month rotational program that embeds early-career ...

Location

United States , Los Angeles; New York

Salary:

74000.00 - 130000.00 USD / Year

Fox Corporation

Expiration Date

Until further notice

Requirements

Strong foundations in software engineering fundamentals
Evidence of building and shipping projects (coursework, internships, independent work, open-source contributions)
Demonstrated use of AI-native development tools (e.g., Cursor, Replit, ChatGPT, Codex, Claude Code, Opencode, Droid) to accelerate building, debugging, or prototyping workflows
Comfort learning unfamiliar systems and navigating ambiguity
Bias toward shipping and iteration
Clear communication skills

Job Responsibility

Design, build, and ship production services, APIs, and platform components
Contribute to live systems powering consumer-facing apps and enterprise platforms
Partner with product and engineering to deliver end-to-end solutions
Operate under real latency, scale, reliability, and business constraints
Improve systems through iteration, feedback, and measurable outcomes

What we offer

medical/dental/vision, insurance, a 401(k) plan, paid time off, and other benefits

Fulltime

Lead/Senior AI FullStack Software Engineer

About the client: Our customer is the European online car market, with over 30 m...

Location

Ukraine

Salary:

Not provided

N-iX

Expiration Date

Until further notice

Requirements

7+ years of experience developing reliable, highly available, and scalable software systems
Strong experience working with AI agents (Claude Code, ChatGPT/Codex) to maintain and extend a codebase
Strong proficiency with backend development using Node.js / Java/ .Net and TypeScript
Deep experience with Model Context Protocols (MCP)
Proven track record of using AI tooling (ChatGPT, Codex, Claude Code) for rapid operator-driven development
Hands-on experience with modern cloud infrastructures, specifically AWS, Terraform, and Docker
Strong proficiency with frontend development (HTML, CSS, JavaScript) and component-based SSR frameworks like Next.js or React
Experience with SQL and NoSQL datastores, as well as developing in service-based API environments
Strong understanding of software architecture, design patterns, and clean code principles
A modern, energetic mindset with critical thinking and systemic vision skills, the ability to work independently and take high-level ownership

Job Responsibility

Continue the evolution and scaling of our freshly released, native ChatGPT apps and custom MCP integrations
Develop and maintain high-traffic, public-facing interfaces hosted on AWS modern cloud infrastructure
Work heavily with AI agents (Claude Code, ChatGPT/Codex) to maintain and extend a codebase
Operate with full team autonomy, collaborating closely with the Engineering Manager in a "co-author" environment
Follow the "you-build-it-you-own-it" philosophy, taking full responsibility for the SDLC and production readiness
Explore and implement emerging AI frameworks and technologies to keep the product at the forefront of the GenAI market

What we offer

Flexible working format - remote, office-based or flexible
A competitive salary and good compensation package
Personalized career growth
Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Corporate events and team buildings
Other location-specific benefits

Frontend Software Engineer

The Codex App team builds and maintains the Codex desktop app and IDE extension ...

Location

United States; United Kingdom , San Francisco; London; Seattle

Salary:

230000.00 - 385000.00 USD / Year

OpenAI

Expiration Date

Until further notice

Requirements

Strong experience with modern frontend stacks (React, TypeScript) and a high bar for UI craft
Love design engineering: sweating the details while keeping velocity
Built desktop-caliber product experiences (Electron or similar), and care about performance, responsiveness, and 'it just feels right'
Enjoy exploring ambiguous problems and iterating rapidly with design and product
Think in end-to-end workflows, not isolated screens

Job Responsibility

Build and ship polished, high-performance UI across the Codex desktop app and IDE extension
Partner tightly with design to turn prototypes into production-quality experiences (layout, motion, typography, interaction details)
Iterate on future interfaces for interacting with agents: delegation, task timelines, status/progress, handoffs, review, and control surfaces
Own frontend architecture decisions (component systems, state management, navigation, rendering performance)
Improve quality and reliability through testing, instrumentation, and thoughtful UX for failure modes
Collaborate with platform/model/backend partners to integrate new capabilities into cohesive product flows

What we offer

Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)
401(k) retirement plan with employer match
Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)
Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees
13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time (1 hour per 30 hours worked, or more, as required by applicable state or local law)
Mental health and wellness support
Employer-paid basic life and disability coverage
Annual learning and development stipend to fuel your professional growth
Daily meals in our offices, and meal delivery credits as eligible

Fulltime

Software Engineer, Mobile Platform

The Mobile Platform team’s mission is to deliver a best-in-class mobile app by m...

Location

United States , New York

Salary:

150000.00 - 180000.00 USD / Year

Notion

Expiration Date

Until further notice

Requirements

Thoughtful problem-solving
Ability to ship quality apps at scale
Not ideological about technology
Empathetic communication
Team player
Curious and willing to adopt AI tools
Comfortable using tools like Claude Code or Codex

Job Responsibility

Help mobile product teams by developing services, frameworks, and shared UI components
Set the direction for how features should be built on Android
Improve the performance, reliability, and polish of our Android app
Drive developer velocity through improvements to our builds systems, mobile CI/CD, and the release process

What we offer

Highly competitive cash compensation, equity, and benefits

Fulltime

New

Ai Lead Application Architecture - Vice President

We are seeking a highly experienced and technically proficient Sr Applied AI Eng...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

15 years of relevant experience in leading Apps Development or systems design role
Extensive experience system analysis and in programming of software applications
Demonstrable exposure and practical experience with AI development
Knowledge of capital market is plus
Experience in managing and implementing successful projects
Subject Matter Expert (SME) in at least one area of Applications Development
Ability to adjust priorities quickly as circumstances dictate
Demonstrated leadership and project management skills
Consistently demonstrates clear and concise written and verbal communication
Bachelor’s degree/University degree or equivalent experience

Job Responsibility

Lead the design, development, and implementation of complex middleware applications using Java and Spring Boot: Utilize AI-powered code generation tools (e.g., Devin, Copilot, Codex) to accelerate development, automate boilerplate code, suggest optimal implementations, and enforce architectural patterns. Leverage AI for design pattern identification and complex system architecture validation
Architect and optimize database interactions with Oracle, SQL, and MongoDB, ensuring high performance and data integrity: Employ AI to analyze database query performance, suggest advanced indexing strategies, optimize schema designs, and generate efficient SQL/NoSQL queries. AI-driven tools can also assist in predicting database load and recommending scaling solutions
Drive the adoption and continuous improvement of CI/CD pipelines to facilitate rapid and reliable software delivery: Integrate AI into CI/CD processes for intelligent test case generation, predictive failure analysis, automated code vulnerability scanning, and optimization of pipeline execution times based on historical data
Collaborate with cross-functional teams, including product management, QA, and operations, to define requirements, design solutions, and deliver high-quality software:Use AI-powered communication and summarization tools (e.g., Claude) to streamline requirement gathering, document analysis, and stakeholder communication. AI can also assist in translating technical designs into accessible formats for various audiences
Mentor and provide technical guidance to junior and mid-level software engineers, fostering a culture of technical excellence and continuous learning: Leverage AI platforms for personalized learning paths, automated code feedback, and explanations of complex technical concepts. Encourage junior engineers to adopt AI-driven development practices
Actively research and experiment with AI technologies to identify opportunities for enhancing developer productivity, automating tasks, and improving software quality:Continuously explore emerging AI tools and techniques (such as Anti Gravity for complex problem-solving) and assess their applicability to our development ecosystem
Participate in code reviews, ensuring adherence to coding standards, best practices, and architectural guidelines: Utilize AI-powered code analysis tools to pre-scan code for potential bugs, security vulnerabilities, performance bottlenecks, and style deviations, allowing human reviewers to focus on higher-level logic and design
Troubleshoot and resolve complex technical issues, ensuring the stability and performance of production systems: Implement AI-driven anomaly detection in monitoring systems, leverage AI for rapid log analysis and root cause identification, and automate incident response workflows
Contribute to the strategic planning and technical roadmap for our middleware platforms: Employ AI to analyze industry trends, forecast technology evolution, assess the impact of new features, and prioritize roadmap initiatives based on data-driven insights
Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, and model development: Utilize AI for data synthesis, predictive modeling for estimations, identification of potential IT risks, and accelerated model prototyping and validation

Fulltime

New

Director Applied Artificial Intelligence Engineering

We are seeking an exceptionally experienced and highly proficient Director of Ap...

Location

United States , Jersey City

Salary:

170000.00 - 300000.00 USD / Year

Citi

Expiration Date

June 19, 2026

Requirements

10+ years of experience in software engineering, with at least 5+ years in a senior or lead Applied AI/ML engineering role specifically delivering complex, enterprise-grade, client-facing applications in financial services
Demonstrated success in building and deploying innovative AI applications within financial services, banking, or capital markets domains, with significant exposure to Investment Banking products (ECM, DCM, M&A)
Proven experience leading technical implementations, mentoring other senior engineers, and directly engaging with clients in a principal capacity
Deep expertise in ML, NLP, LLMs, Retrieval-Augmented Generation (RAG), embeddings, and modern MLOps practices
Strong experience working with both structured financial datasets and unstructured data sources (e.g., SEC filings, call transcripts, research) within a regulated environment
Familiarity with front-office workflows in ECM, DCM, M&A, and investment research is essential
Exceptional communication and stakeholder management skills, with the ability to articulate complex technical and business concepts to diverse audiences, including senior executives and external clients
Advanced degree (Master's or Ph.D. preferred) in Computer Science, AI, Applied Mathematics, Engineering, or a related quantitative field
Must-Have Engineering & Technical Acumen: Engineering Principles: Deep, practical knowledge of designing for cloud readiness, including microservice architecture, 12-Factor App principles, and modern design patterns
Development Methodologies: Proven experience championing and advocating for SDD (Spec Driven Development), TDD (Test Driven Development), and DDD (Domain Driven Design) within an agile environment

Job Responsibility

Lead the end-to-end design, architecture, and hands-on implementation of advanced AI/ML solutions and platforms directly supporting and enhancing Investment Banking client workflows in ECM, DCM, and M&A
Engage directly with clients to gather requirements, present solutions, and ensure successful adoption
Act as a primary subject matter expert and thought leader in advanced AI/ML engineering, especially within the context of Investment Banking products
Provide overarching technical leadership, guidance, and mentorship to engineering teams and business stakeholders, fostering best practices in AI-augmented development, scalable system design, code reviews, and collaborative problem-solving
Champion a culture of quality through disciplined application of Spec-Driven Development (SDD), Test-Driven Development (TDD) / Behavior-Driven Development (BDD), and promote AI-driven test case generation and quality automation
Provide deep expertise in modern application architecture, designing for cloud readiness by applying 12-Factor App principles and microservice patterns
Ensure AI solutions are built for optimal performance, scalability, resilience, and security within high-compliance environments
Develop a deep understanding of Investment Banking products (ECM, DCM, M&A), collaborating closely with business stakeholders and external clients to identify critical business needs and high-impact AI opportunities
Act as a strategic partner, translating complex financial requirements into technical specifications and delivering AI solutions that directly address client pain points
Work closely with data engineers and data scientists to define advanced data requirements, ensure exceptional data quality, and optimize complex data pipelines for robust AI solution integration and deployment

What we offer

medical
dental
vision coverage
401(k)
life insurance
accident insurance
disability insurance
wellness programs
paid time off packages
planned time off (vacation)

Fulltime

!

New

Ai-First Full Stack Engineer - Vice President

We are seeking a highly experienced and technically proficient AI-First Full Sta...

Location

Canada , Mississauga

Salary:

120800.00 - 170800.00 USD / Year

Citi

Expiration Date

Until further notice

Requirements

6+ years of experience in software engineering, with at least 6 years in a senior or lead role delivering complex, enterprise-grade applications
Demonstrated success building and deploying applications in financial services, banking, or capital markets domains
Proven experience leading technical implementations and mentoring other engineers in a senior individual contributor capacity
Strong communication and stakeholder management skills
Advanced degree (or equivalent experience) in Computer Science, Engineering, or a related quantitative field is preferred
Deep, practical knowledge of designing for cloud readiness, including microservice architecture, 12-Factor App principles, and modern design patterns
Proven experience championing SDD (Spec Driven Development), TDD (Test Driven Development), and DDD (Domain Driven Design) within an agile environment
Mastery of modern Java (JDK 17/21) and the core Spring Framework (Spring Boot, Spring MVC, Spring Data JPA, Spring Cloud)
Hands-on experience with modern UI frameworks like Angular, using TypeScript/JavaScript to build intuitive user interfaces
Strong, hands-on experience with both relational (Oracle, SQL) and NoSQL (MongoDB) databases

Job Responsibility

AI-Augmented Solution Design & Implementation: Lead the end-to-end design, architecture, and hands-on implementation of complex, full-stack applications. Strategically embed AI-powered tools (e.g., Devin, GitHub Copilot, Codex) to accelerate development, automate complex tasks, and validate architectural patterns
Champion Elite Engineering Craftsmanship: Drive a culture of quality through the disciplined application of Spec-Driven Development (SDD) for clear planning, and Test-Driven (TDD) / Behavior-Driven Development (BDD) for flawless execution. Use AI to generate intelligent test cases and automate quality gates
Architect for Scale and Resilience: Provide deep expertise in modern application architecture, designing for cloud readiness by applying 12-Factor App principles and microservice patterns to build scalable and resilient systems
Technical Leadership & Mentorship: Act as a primary subject matter expert in modern software engineering. Provide technical leadership and guidance to the team, fostering best practices in AI-augmented development and scalable system design through code reviews, technical discussions, and collaborative problem-solving
Strategic Vision & Innovation: Embrace an agile, iterative mindset that avoids 'Big Up-Front Design' (BUFD). Contribute to the strategic vision for AI in engineering by researching and evaluating new AI technologies, methodologies, and tools to maintain a competitive edge
Full-Stack Problem Solving: Mastermind database interactions across Oracle and MongoDB, employing AI to analyze query performance and recommend optimizations. Work across the entire stack to resolve high-impact problems through in-depth evaluation of business and system processes

Fulltime

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Software Engineer, Codex App

Job Description

Job Responsibility

Requirements

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What we offer

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