Full-Time

Member of Technical Staff

AI

WITHIN

WITHIN

201-500 employees

Unified performance branding and media optimization

Compensation Overview

$90.9k - $254.1k/yr

+ Monthly phone stipend + Seamless allowance

Long Island City, Queens, NY, USA

Hybrid

Hybrid work opportunity.

Category
Software Engineering (1)
Required Skills
LLM
Microsoft Azure
Python
React.js
BigQuery
SQL
OpenAI
Word/Pages/Docs
RAG
TypeScript
AWS
Observability
Databricks
Looker
Snowflake
Google Cloud Platform
Excel/Numbers/Sheets
PowerPoint/Keynote/Slides

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Requirements
  • Strong Python skills and experience building production systems.
  • Experience building production applications with large language model APIs such as OpenAI, Anthropic, or Vertex AI.
  • Experience building agent workflows that use tools, call external systems, maintain state, and handle multi-step tasks.
  • Experience designing evaluations for large-language-model-powered systems, including test cases, quality measures, regression testing, and review of production failures.
  • Understanding of context management, token limits, multi-turn conversations, tool calling, structured outputs, prompt design, and common failure modes.
  • Experience integrating external APIs and working with SQL.
  • Experience tracing and debugging behavior across model calls, application code, tools, and external systems.
  • Experience with Google Cloud Platform, Amazon Web Services, or Microsoft Azure.
  • Ability to build products around AI components, including frontend, backend, and data.
  • Ability to explain technical tradeoffs and work directly with business teams.
  • Experience owning products end to end, from an ambiguous initial problem through launch and ongoing operation.
  • Ability to decide what to test first, define success, and change course when results do not support the current plan.
  • Ability to choose between model behavior, deterministic software, and human review based on the problem.
  • Ability to work independently, communicate tradeoffs, and keep involved people informed.
Responsibilities
  • Design applied AI systems and build products around them across frontend, backend, and data.
  • Define problems, decide what to build, ship it, evaluate results, and maintain products after launch.
  • Find product-market fit by starting with small versions, testing them with users, and deciding whether to continue, change direction, or stop.
  • Improve useful products by testing changes and investing in the versions that perform best.
  • Expand and scale adoption across WITHIN and with clients while maintaining reliability under increased use.
  • Monitor performance, resolve problems, and continuously improve products.
  • Set direction with business partners by scoping, sequencing, and developing products.
  • Use coding assistants and agent workflows throughout development, including testing and reviewing the resulting work.
  • Work directly with business teams, make product and technical decisions, and release work in small increments.
  • Observe product performance and use feedback and product data to decide what to build next.
Desired Qualifications
  • Experience with TypeScript, React, and backend services.
  • Experience with multi-agent architectures.
  • Experience with embeddings, vector search, and retrieval-augmented generation.
  • Experience with stateful or sandboxed code execution environments.
  • Experience with human review and approval workflows.
  • Experience with observability, model routing, latency management, and cost control for AI systems.
  • Experience with document automation involving Google Docs, Slides, or PDFs.
  • Experience building internal developer tools or productivity platforms.
  • Experience with data warehouses such as BigQuery, Snowflake, or Databricks.
  • Experience with data transformation using dbt.
  • Experience with semantic layers such as Cube, Looker, or dbt Metrics.

Within is a performance branding agency that blends brand-building with performance marketing to improve clients’ business outcomes. It creates unified marketing strategies that cover the entire customer journey, from awareness to purchase, and deliberately collapses the traditional marketing funnel to optimize media investments and deliver measurable financial results. Working with a diverse roster of established brands, it acts as an extension of clients’ marketing teams, forming strategic partnerships to drive continuous optimization and scalable growth. Its main goal is to maximize marketing ROI and deliver long-term value by aligning brand and performance across channels and touchpoints.

Company Size

201-500

Company Stage

Seed

Total Funding

$150K

Headquarters

New York City, New York

Founded

2015

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Simplify Jobs

Simplify's Take

What believers are saying

  • Foot Locker, Orveon Global, and Movado validate WITHIN's enterprise client acquisition.
  • 2026 WITHIN interviews emphasize AI-enabled personalization, matching buyer demand for measurable efficiency.
  • WITHIN's recurring content and executive interviews signal stronger thought leadership and client retention.

What critics are saying

  • Foot Locker's 2024 win ties revenue concentration to a retailer facing margin pressure.
  • Indie agency status leaves WITHIN exposed to Dentsu and Omnicom in future pitches.
  • If client growth stalls, performance branding gets commoditized and pricing power erodes quickly.

What makes WITHIN unique

  • WITHIN won Foot Locker's North America media account after a competitive RFP in 2024.
  • Joe Yakuel's integrated operating model unifies digital media planning, buying, reporting, and optimization.
  • WITHIN markets itself as performance branding, collapsing brand and performance into one agency.

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Benefits

Health Insurance

Unlimited Paid Time Off

Phone/Internet Stipend

401(k) Company Match

Hybrid Work Options

Professional Development Program

Company Social Events

Company News

First Page Sage
Aug 7th, 2025
Executive Interview Series: Q&A with Joe Yakuel on Building Brands Through SEO and Performance Branding

Known as a leading digital marketing agency for retail and consumer brands, WITHIN has partnered with companies like Foot Locker, The North Face and Timberland to rethink how they grow by uniting brand storytelling with performance marketing.

Business Wire
Mar 13th, 2024
Performance Branding Firm Within Named As Media Agency Of Record For Foot Locker, Inc. North America

NEW YORK--(BUSINESS WIRE)--WITHIN, the world’s only Performance Branding firm, announced today that it has taken on the role as the North American media agency of record for Foot Locker, Inc., a leading omni-channel footwear and apparel retailer that unlocks the “inner sneakerhead" in all of us. This exciting partnership follows the earlier unveiling of Foot Locker’s groundbreaking “Lace Up” plan, announced in March 2023 to strategically invigorate growth across the diverse portfolio of brands under Foot Locker, Inc. The plan focuses on four key imperatives: expanding sneaker culture; powering up the Foot Locker, Inc. portfolio; deepening relationships with Foot Locker, Inc. customers across all brands; and delivering a best-in-class omni experience. “Following a competitive RFP process, we’re excited to award the North American media business to WITHIN,” said Katarina Brown, Vice President of Digital Marketing Media at Foot Locker