Haystack
← Back to Jobs
Technology

Full Stack Developer

Factspan IncAtlanta, GA🇺🇸United StatesPosted 8 Jul 2026

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

Job Title: Full Stack Developer 
Location: Atlanta (Onsite-2 Days a week)
Experience: 8-10 years
Employment Type: Full Time
 
Role Summary
We are looking for a Lead Full Stack Developer to support a large-scale MarTech transformation program for a leading retail client. The role will focus on building scalable, cloud-native applications and data-driven marketing technology solutions across customer engagement, campaign activation, personalization, analytics, and marketing data platforms.
The ideal candidate should have strong hands-on experience across Java, Python, Google Cloud Platform, SQL, APIs, microservices, and modern frontend/backend engineering, with the ability to lead technical design, guide developers, collaborate with product and business stakeholders, and deliver enterprise-grade solutions.
 
Key Responsibilities
  • Lead end-to-end design and development of full stack applications for MarTech platforms.
  • Build scalable backend services using Java, Spring Boot, Python, REST APIs, and microservices architecture.
  • Develop and optimize data-driven applications using SQL, BigQuery, Cloud SQL, PostgreSQL, or related databases.
  • Work with Google Cloud Platform services such as BigQuery, Cloud Run, Cloud Functions, GKE, Pub/Sub, Dataflow, Composer, Cloud Storage, IAM, and monitoring tools.
  • Support integrations across marketing platforms, customer data platforms, campaign systems, analytics platforms, and enterprise APIs.
  • Design reusable components, frameworks, and API layers for customer, campaign, and personalization use cases.
  • Partner with product owners, architects, data engineers, QA teams, DevOps, and business stakeholders.
  • Review code, enforce engineering best practices, and mentor offshore/onshore development teams.
  • Drive performance tuning, scalability, observability, security, and production readiness.
  • Support Agile delivery, sprint planning, estimation, release planning, and production deployment activities.
Required Tech Stack
  • Backend: Java, Spring Boot, Python, FastAPI/Flask
  • Frontend: React.js, Next.js, JavaScript, TypeScript, HTML, CSS
  • Cloud: Google Cloud Platform, BigQuery, GCS, Pub/Sub, Dataflow, Composer, Cloud Run, GKE
  • Database: SQL, BigQuery, PostgreSQL, Cloud SQL, NoSQL basics
  • DevOps: GitHub/GitLab, CI/CD, Docker, Kubernetes, Terraform basics
  • Integration: REST APIs, GraphQL basics, OAuth, JSON, event-driven architecture
  • Monitoring: Cloud Logging, Cloud Monitoring, Splunk, Dynatrace or similar
Preferred Skills
  • Experience in Retail, MarTech, Customer 360, CDP, Adobe ecosystem, campaign platforms, personalization, or loyalty systems.
  • Strong understanding of Agile delivery, secure coding, cloud-native patterns, and enterprise architecture.
  • Ability to operate as a technical lead while remaining hands-on.
Ideal Candidate
A strong engineering leader who can connect business goals, customer data, marketing activation, and scalable technology execution while delivering high-quality solutions in a fast-moving retail environment.

Skills

Docker
FastAPI
Flask
Microservices
Next.js
SQL
Spring
Spring Boot
OAuth
Splunk
Agile
BigQuery
CSS
Google Cloud
GraphQL
HTML
Java
JavaScript
Kubernetes
PostgreSQL
Python
REST
React
Terraform
TypeScript

Similar jobs

Apply now