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Contract Neo4J Developer Jobs (NOW HIRING)

Mem0

Backend Engineer

San Francisco, CA · On-site

$150K - $250K/yr

Define contracts, versioning, auth, rate limits; write migrations and docs. * Model data & schemas ... Relational (Postgres) and graph (e.g., Neo4j); enforce integrity and performance. * Debug customer ...

CGI Inc.

AI/ML Engineer

Knoxville, TN · On-site

US Citizenship is required per contract . Ability to obtain a Secret clearance - Education o ... REST/GraphQL. o DevOps/MLOps: Docker, Kubernetes, Terraform, AWS CloudFormation; CI/CD with Jenkins ...

Apex Systems

AI Engineer

Fort Mill, SC · On-site +1

$75 - $85/hr

Contract to Perm Role Overview As an AI Software Engineer, you will be responsible for designing ... Implement knowledge graphs, ideally Neo4j, in solutions deployed to production. * Implement ...

Compunnel

Full Stack Engineer

Durham, NC · On-site

This is a one-year contract position. Key Responsibilities • Build prototypes and evaluate new ... Neo4j and Cypher. • Practical experience with SQL across relational databases such as Oracle ...

Ztek Consulting INC

AI/ML Engineer

Franklin, TN · On-site

Contract - W2 Rate: Pay range offered to a successful candidate will be based on several factors ... Neo4j). • Build and maintain ETL/ELT pipelines using AWS Glue or Apache Spark for data processing ...

New

Precision Technologies Corp

Python GenAI

Jersey City, NJ · On-site

$52.50 - $72.25/hr

W2-Contract / Full-Time Looking for a hands-on AI Engineer to work on a high visbility Gen AI ... Experience with Slurm, Hadoop/Hive, Neo4J, Apache Spark, Kafka and MongoDB is a plus * Knowledge of ...

VDart, Inc.

AI Platform Engineer

Atlanta, GA · On-site

Set up CI/CD pipelines with automated tests covering sync correctness, API contract validation, and ... Pinecone, Weaviate, pgvector, Neo4j, or comparable; embeddings and retrieval patterns. * AI ...

New

Appex Innovation

Sr AI Platform Engineer

Frisco, TX

$98K - $135K/yr

... APIs, contracts, governance. \n \n \n Batch and real\-time data pipelines: Kafka or comparable ... Pinecone, Weaviate, pgvector, Neo4j, or comparable; embeddings and retrieval patterns. \n \n \n AI ...

New

Navstar

Software Engineer

Mclean, VA · On-site

MongoDB, MySQL Devops: Docker containerization, Jenkins, git, maven Ability to obtain and maintain ... S. Citizenship essential to comply with government contract/agency or department of Federal ...

Twenty Inc.

Backend Engineer

Manhattan, NY · On-site

Collaborate with frontend engineers on API contracts and data structures that are efficient and ... You have experience working with graph databases (Neo4j, AWS Neptune, or similar), including schema ...

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Contract Neo4J Developer information

What are the key skills and qualifications needed to thrive as a Contract Neo4J Developer, and why are they important?

To thrive as a Contract Neo4J Developer, you need strong expertise in graph database concepts, proficiency in Cypher query language, and experience with data modeling, usually backed by a degree in computer science or related field. Familiarity with Neo4J tools, integrations with Java or Python, and deploying databases in cloud environments are typically required, along with knowledge of relevant certifications. Exceptional problem-solving, adaptability, and effective communication are crucial soft skills to collaborate with diverse teams and translate business needs into technical solutions. These skills ensure the delivery of efficient, scalable graph database solutions that meet project requirements and drive organizational insights.

What are some common challenges a Contract Neo4J Developer may face when integrating graph databases with existing systems?

As a Contract Neo4J Developer, one common challenge is ensuring seamless integration of Neo4J with legacy systems or traditional relational databases. This often requires a strong understanding of both graph database modeling and data migration strategies. Additionally, optimizing Cypher queries for performance and managing data consistency across platforms can be complex, especially in large-scale or real-time environments. Effective communication with backend developers and data engineers is essential to align on integration protocols and address any bottlenecks that arise.

What are Contract Neo4J Developers?

Contract Neo4J Developers are professionals who specialize in building, maintaining, and optimizing applications using the Neo4J graph database, typically hired on a contract or freelance basis. They work with organizations to design and implement graph-based data models, write Cypher queries, and integrate Neo4J with other systems. Their expertise is valuable for projects involving complex relationships in data, such as recommendation engines, fraud detection, or network analysis. Contract developers provide flexibility for companies that need specialized skills for a specific period or project without committing to a full-time hire.

What is the difference between Contract Neo4J Developer vs Graph Database Engineer?

AspectContract Neo4J DeveloperGraph Database Engineer
CredentialsProficiency in Neo4J, Cypher, and database fundamentalsNeo4J skills plus broader graph database knowledge and certifications
Work EnvironmentProject-based, client-specific, often freelance or contract rolesFull-time or consulting roles in organizations using graph databases
Industry UsagePrimarily in data analytics, knowledge graphs, and AI projectsIn enterprise data management, complex data modeling, and infrastructure

The Contract Neo4J Developer focuses on implementing and maintaining Neo4J graph databases for specific projects, often on a contract basis. In contrast, a Graph Database Engineer has a broader role, working with multiple graph database technologies and integrating them into larger systems. Both roles require strong knowledge of graph databases, but the Engineer typically has a wider scope and may hold additional certifications.

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Contract Neo4J Developer jobs near you
Infographic showing various Contract Neo4J Developer job openings in the United States as of May 2026, with employment types broken down into 1% As Needed, 72% Full Time, 1% Temporary, and 26% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution.

Backend Engineer

Mem0

San Francisco, CA • On-site

$150K - $250K/yr

Full-time

Posted 28 days ago

Job description

Role Summary:
Own the backend that powers Mem0's memory platform. You'll design clean REST APIs, model data across relational and graph stores, and operate services in production. When customers hit issues, you'll chase them down to root cause, ship fixes, and harden the system-while collaborating tightly with frontend and research to deliver fast, reliable features.
What You'll Do:
  • Design & ship REST APIs: Define contracts, versioning, auth, rate limits; write migrations and docs.
  • Model data & schemas: Relational (Postgres) and graph (e.g., Neo4j); enforce integrity and performance.
  • Debug customer issues end-to-end: Trace with logs/metrics/traces, reproduce, fix, and write preventative guardrails.
  • Optimize performance: Tune slow SQL with EXPLAIN/ANALYZE, indexes, partitioning, pagination, and caching (e.g., Redis).
  • Build services in Python: Async where it helps (FastAPI/Starlette, Django/DRF, Flask), background jobs, queues, schedulers.
  • Operate in the cloud: Containerize with Docker, deploy on Kubernetes (EKS), and use AWS primitives (EC2, RDS/Aurora, S3, IAM).
  • Instrument everything: Custom metrics, structured logging, tracing; set SLOs and alerts (CloudWatch/Prometheus/OpenTelemetry).
  • Collaborate & ship: Work with frontend and research to scope APIs and deliver features to production.

Minimum Qualifications
  • 3+ years building backend systems and shipping REST APIs to production.
  • Strong Python fundamentals; experience with async programming and a major web framework (FastAPI/Django/Flask).
  • Solid data modeling and SQL skills; hands-on with query tuning and performance debugging in Postgres/MySQL.
  • Experience with graph databases (e.g., Neo4j or Amazon Neptune) and appropriate data modeling trade-offs.
  • Comfortable running services on AWS with Docker and Kubernetes.
  • Demonstrated root-cause analysis and ownership from incident to prevention.
  • Clear communicator and effective collaborator with frontend, research, and customers.

Nice to Have:
  • GraphQL/gRPC; event-driven systems (SNS/SQS/Kafka) and background workers (Celery/RQ).
  • Caching, rate limiting, multi-tenancy, and feature-flag strategies.
  • Security & privacy best practices (PII handling, secrets management).
  • Deep observability experience (OpenTelemetry, SLO-based alerting).
  • Prior work with search/retrieval or memory systems.
  • On-call experience and running blameless postmortems.

About Mem0
We're building the memory layer for AI agents. Think long-term memory that enables AI to remember conversations, learn from interactions, and build context over time. We're already powering millions of AI interactions. We are backed by top-tier investors and are well capitalized.
Our Culture
  • Office-first collaboration - We're an in-person team in San Francisco. Hallway chats, impromptu whiteboard sessions, and shared meals spark ideas that remote calls can't.
  • Velocity with craftsmanship - We build for the long term, not just shipping features. We move fast but never sacrifice reliability or thoughtful design - every system needs to be fast, reliable, and elegant.
  • Extreme ownership - Everyone at Mem0 is a builder-owner. If you spot a problem or opportunity, you have the agency to fix it. Titles are light; impact is heavy.
  • High bar, high trust - We hire for talent and potential, then give people room to run. Code is reviewed, ideas are challenged, and wins are celebrated-always with respect and curiosity.
  • Data-driven, not ego-driven - The best solution wins, whether it comes from a founder or an engineer who joined yesterday. We let results and metrics guide our decisions.

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