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Junior Software Engineer jobs in United States
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Core4ce · 14 hours ago

Junior Software Engineer

Core4ce is seeking a Junior Software Engineer to support the design, development, and deployment of data-intensive backend systems in a government contracting environment. This role focuses on building and maintaining data pipelines, supporting real-time data processing workflows, and integrating secure APIs that enable mission-critical systems to operate at scale.
Information TechnologyInformation Services
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Support the design and implementation of ETL pipelines that ingest, validate, transform, and correlate data from multiple sources
Work with structured data schemas such as XSD, Avro, and Protobuf to enforce data consistency and enable schema evolution
Assist in maintaining unified data models that support downstream analytics and operational systems
Implement data quality checks and validation logic to ensure integrity across changing data sources
Contribute to the development of low-latency streaming pipelines using tools such as Kafka and Spark
Support containerized microservices that process high-volume data in distributed environments
Monitor system performance and help optimize reliability, scalability, and fault tolerance
Develop and maintain backend APIs that expose processed data to internal and external consumers
Implement clean data contracts to ensure reliable integration with downstream applications
Collaborate with stakeholders to gather integration requirements and troubleshoot data flow issues
Develop Python-based backend services and data processors
Deploy and maintain services in containerized environments using Docker and Kubernetes
Support cloud-based infrastructure, relational and non-relational databases, and data warehouse systems
Implement logging, monitoring, and alerting to ensure operational visibility and maintainability
Apply security-first design principles consistent with government contracting requirements
Follow secure coding practices and support compliance with applicable security standards
Participate in code reviews and system hardening efforts to reduce risk and improve resilience

Qualification

PythonETL DevelopmentREST APIsDockerKubernetesKafkaSparkData ModelingMicroservice ArchitecturesCloud EnvironmentsSchema ManagementDistributed SystemsSecure Coding Practices

Required

Bachelor's degree in Computer Science, Software Engineering, Data Engineering, or a related technical field
0–3 years of professional experience in software engineering or data engineering
Proficiency in Python or a similar backend programming language
Familiarity with REST APIs and microservice architectures
Exposure to containerization technologies such as Docker and orchestration platforms such as Kubernetes
Basic understanding of data modeling and schema management
U.S. citizenship and ability to obtain and maintain a security clearance

Preferred

Experience with Kafka, Spark, or other streaming platforms
Exposure to cloud environments such as AWS or Azure
Familiarity with structured schema formats such as XSD, Avro, or Protobuf
Understanding of distributed systems and high-availability architectures
Experience supporting systems in secure or regulated environments

Benefits

401(k) with 100% company match on the first 6% deferred, with immediate vesting
Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce
Unlimited access to training and certifications, with no pre-set cap on eligible professional development
Tuition assistance for job-related degrees and courses
Paid parental leave, PTO that grows with tenure, and generous holiday schedules

Company

Core4ce

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Core4ce is a mission-oriented company that serves as a trusted partner to the national security community.

Funding

Current Stage
Late Stage

Leadership Team

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Mike Morehouse
Chief Executive Officer and Managing Partner
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Company data provided by crunchbase