Software Developer, Cloud Computing, Data Engineer

Overview

Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth. We are seeking an experienced Software Developer to design, build, and operate large-scale, cloud-native big data and graph-based systems supporting mission-critical environments. This role focuses on developing high-performance data platforms, APIs, and user-facing applications capable of processing and analyzing trillions of records across structured, semi-structured, and unstructured datasets.

The ideal candidate brings strong Java development expertise, deep experience with big data architectures, graph databases, and No

SQL technologies, and hands-on knowledge of AWS and containerized environments.

• Design, develop, and maintain scalable applications using Java
• Architect and operate large-scale big data systems, including persistence, partitioning, indexing, and sharding strategies
• Build and maintain RESTful APIs, including troubleshooting and performance optimization
• Design cloud-native architectures leveraging AWS and other enterprise cloud platforms
• Develop and optimize large-scale graph databases handling tens of billions of relationships
• Implement graph traversal solutions using technologies such as Apache Tinker Pop, Gremlin, or Janus Graph
• Build and operate No
  
  SQL-based solutions for complex data processing environments
• Design data models optimized for performance, including partitioning, sorting, aggregation workflows, and stream processing
• Develop high-performance serverless and event-driven data processing pipelines using AWS Lambda, Step Functions, and Py Spark
• Support geospatial indexing and large-scale data indexing solutions
• Develop modern user interfaces using React and WebGL
• Design and operate graph database platforms such as Apache Cassandra
• Conduct technical analysis of graph systems to improve search and query performance
• Develop and maintain machine learning operations (MLOps) pipelines
• Deploy and manage containerized applications using Kubernetes, Docker, and related orchestration tools
• Implement Dev Sec Ops  practices in production environments using Git-based configuration management
• Support Agile software development and testing practices
• Ensure compliance with federal security, governance, and accreditation requirements
• Implement data security controls, including encryption, LDAP-based authentication, and audit logging
• Collaborate with cross-functional teams to define technical approaches and deliver mission-driven solutions

• Strong experience developing enterprise applications using Java
• Experience designing and operating large-scale big data systems
• Experience developing APIs and microservices-based architectures
• Hands-on experience with graph databases and traversal technologies
• Experience working with relational and No
  
  SQL databases such as Postgres, Maria
  
  DB, Mongo
  
  DB, Cassandra, Neo4j, and DynamoDB
• Experience designing data models for high-performance distributed systems
• Experience building data processing pipelines using AWS services such as Lambda and Step Functions
• Experience with Python and related libraries
• Experience working with data formats including CSV, JSON, AVRO, Parquet, and Protocol Buffers
• Experience with Linux environments such as CentOS or Rocky Linux
• Experience with Kubernetes, Docker, and container orchestration technologies
• Experience using Git-based tools and collaborative development environments
• Experience working with structured, semi-structured, and unstructured datasets
• Strong understanding of Dev Sec Ops  and Agile development methodologies
• Experience implementing data security and governance controls
• #CJ

• Must be fully cleared with a recent polygraph
• Must be willing and able to work fully onsite at the location listed in this posting

Fantom Corp is a Software Development, Agile Cloud, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider. Established in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, Dev Sec Ops  Engineers, Project Managers, Identity, Credential Access Management (ICAM) services, and Cloud-certified practitioners. We excel in delivering emerging technologies such as Artificial Intelligence (AI) and Machine Learning (ML) with a focus on identifying trends, object detection, and classification of structured and unstructured data.

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