Just_ · 1 month ago
Senior Back End Developer
Dallas, TX
Full-time
Onsite
Senior Level, Lead/Staff
8+ years expJust_ is on a mission to transform how professional services are delivered by leveraging AI and data science. They are seeking a Senior Backend / Infrastructure Engineer to design and scale the data and automation backbone that powers multiple products, focusing on building clean APIs, data pipelines, and managing infrastructure.
Computer Software
Responsibilities
Build and maintain Node.js + TypeScript APIs for core product workflows
Design and deploy Python services for document ingestion, OCR, and LLM-powered analysis
Stand up data pipelines that process and normalize PDFs, spreadsheets, and API feeds
Manage infrastructure on AWS — ECS/Fargate, Lambda, RDS, S3, EventBridge
Set up job queues and background workers for long-running tasks
Implement search / vector search (OpenSearch, pgvector, etc.)
Own CI/CD, observability, and reliability from day one (GitHub Actions, CloudWatch, etc.)
Help define our engineering culture — code review standards, documentation, releases
Qualification
Required
~ 8–10+ years of backend engineering experience (B2B SaaS or data-heavy products preferred)
Proficient in Node.js and TypeScript
Comfortable writing production-grade Python (data pipelines, FastAPI, or ML integration)
Solid experience with AWS, RDS, S3, and at least one IaC tool (Terraform/Pulumi)
Strong SQL fundamentals; experience with Prisma, Drizzle, or SQLAlchemy is a plus
Familiar with queues, retries, and idempotent job design
Pragmatic: you know when to hack and when to design properly
Self-directed and comfortable in a rapid-paced, low-process environment
Preferred
Worked with OCR/LLM APIs (Textract, OpenAI, LangChain, etc.)
Familiar with search/indexing systems (OpenSearch, Elasticsearch, pgvector)
Company
Just_
2-10 employeesFunding
Current Stage
Early StageCompany data provided by crunchbase