REMOTE_Graph Data Engineer / SPARQL Developer_Denver, CO

Themesoft Inc; Denver (CO); Remote; USD 110,000 - 150,000; Full time

Job summary

Themesoft Inc in Denver, CO – REMOTE is seeking a Graph Data Engineer / SPARQL Developer to design and implement event-driven data pipelines using Kafka, SPARQL, RDF and graph databases. You will collaborate on ontology-driven data models and telecom OSS/BSS integrations.

Ideal candidates bring 4–6 years of experience, strong Python/JavaScript skills, and the ability to work across REST APIs and data visualization tasks in a contractual role for 6–12 months.

Qualifications

• 4–6 years of experience in graph data engineering or SPARQL development.
• Proficiency with SPARQL, RDF, OWL and semantic technologies.
• Experience with graph databases such as Stardog or Neo4j.
• Strong SQL, Python and JavaScript for data processing and visualization.

Responsibilities

• Architect event-driven, real-time data pipelines (Kafka, REST APIs).
• Develop and optimize SPARQL queries and ontology-driven models.
• Integrate data with telecom OSS/BSS systems and CMDB.

Skills

SPARQL

RDF

OWL

Semantic web

Graph databases

SQL

Python

JavaScript

Tools

Stardog

Neo4j

Kafka

REST APIs

EXFO Ontology

Job description

Job Id : OOJ - 27177

Posted Date : 09/17/2026

Experience : 4-6

Job Type : Contractual

Overview :

Job Title: Graph Data Engineer / SPARQL Developer

Location:Denver, CO- REMOTE

EmploymentType:Contract

ContractDuration:6-12 Months

Key Responsibilities

Experience Required: 4-6 Years

Role Descriptions

Event-driven and real-time data architectures (Kafka| REST APIs) Essential Skills: Technical: SPARQL| RDF| OWL| semantic web technologies Graph databases (e.g.| Stardog| Neo4j)SQL| Python| JavaScript for data processing and visualization EXFO Ontology

Required Skills

• SPARQL, RDF, OWL, semantic web technologies Graph databases (e.g., Stardog, Neo4j) SQL, Python, JavaScript for data processing and visualization EXFO Ontology (PRONTO)

Domain Knowledge

Telecom network architecture, Service Fulfilment (Provisioning and Activation) OSS/BSS integration, CMDB, network inventory Event-driven and real-time data architectures (Kafka, REST APIs)

Work Authorization

ApplicantsmustbelegallyauthorizedtoworkintheUnitedStates.

Equal Employment Opportunity

ThemesoftIncisanEqualEmploymentOpportunityemployer.Weconsiderqualifiedapplicantswithoutregardtorace,color,religion,sex,sexualorientation,genderidentity,nationalorigin,age,disability,veteranstatus,oranyotherstatusprotectedbyapplicablefederal,state,orlocallaw.