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Temporary Freelance Backend Developer Jobs in Illinois

Crossway

Software Developer

Wheaton, IL · On-site

$60K - $80K/yr

Experience in front-end or back-end development for UNIX or LINUX environments. * Familiarity with ... temporary employees not eligible.) Salary: Salary range: $60,000-$80,000 annually; The position ...

24 Seven Talent

Multimedia Specialist

Chicago, IL · On-site

$30 - $40/hr

... temporary position through mid December. This freelance Multimedia Specialist will help manage ... programming. Maintain and make minor repairs to A/V equipment. Complete multiple projects in a ...

24 Seven Talent

Multimedia Specialist

Chicago, IL · On-site

$30 - $40/hr

... temporary position through mid December. This freelance Multimedia Specialist will help manage ... programming. Maintain and make minor repairs to A/V equipment. Complete multiple projects in a ...

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Temporary Freelance Backend Developer jobs near you

Backend Developer with Security Clearance

TEKsystems c/o Allegis Group

Scott Air Force Base, IL • On-site

Contractor

Medical, Dental, Vision, Life, Retirement, PTO

Posted 11 days ago

Job description

Location: Scott Air Force Base, IL (Onsite)
Contract: 5 years
Employment Type: 1 month onsite 5 days a week once acclimated move to hybrid 2-3 days onsite Clearance: Secret Clearance Certification: Security+ required within 14 days of start date About the Opportunity
We are seeking a Back-End Software Developer with expertise in Elastic Stack (ELK), Kafka, and modern data engineering practices to support a mission-critical Department of Defense modernization effort. The ideal candidate will have experience designing and maintaining large-scale data pipelines, streaming architectures, and cloud-native platforms while working in a fast-paced Agile environment. What You'll Do
Design, build, and maintain scalable data ingestion, processing, and transformation pipelines.
Develop and support enterprise data integration solutions using Confluent Kafka and the Elastic Stack.
Create and manage ETL/ELT workflows to support analytics, reporting, and operational dashboards.
Integrate data from multiple network operations systems into centralized platforms.
Optimize Kafka and Elasticsearch performance, including indexing strategies, query performance, storage efficiency, and throughput.
Support CI/CD pipelines and infrastructure automation initiatives.
Deploy and manage workloads within OpenShift and Kubernetes environments.
Collaborate with data analysts, visualization engineers, software developers, and stakeholders to build integrated solutions.
Document data architectures, integration patterns, technical designs, and operational procedures.
Troubleshoot complex issues related to data ingestion, platform performance, and distributed systems. Required Qualifications
Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related technical discipline.
2+ years of professional software development or data engineering experience.
Experience with:
Elasticsearch
Logstash
Kibana
Kafka / Confluent Kafka
Experience designing and supporting ETL/ELT pipelines and distributed data architectures.
Proficiency with:
Python
Java
SQL
Experience with AWS services such as EC2, S3, Lambda, Kinesis, IAM, and CloudWatch.
Experience with Kubernetes or OpenShift environments.
Knowledge of CI/CD pipelines and DevOps best practices.
Experience using Git, Bitbucket, Jira, and Confluence.
Understanding of data governance, metadata management, and data quality practices.
Strong communication and collaboration skills. Preferred Qualifications
Experience supporting DISA, DISN, or other DoD environments.
Familiarity with RMF, STIGs, and DoD cybersecurity requirements.
Experience with:
Spark
Hadoop
NiFi
Databricks
Prometheus
Grafana
Experience with AWS GovCloud or other secure cloud environments.
Knowledge of infrastructure-as-code and configuration management tools.
Experience developing observability, monitoring, or real-time analytics solutions.
Familiarity with network infrastructure, routing, switching, and secure data exchange protocols.
Confluent Developer or Elastic Engineer certifications. This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret)
Because an active or interim DoD clearance is required, U.S. Citizenship is required Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms.  If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)

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