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CACI International

Senior Software Developer

NewBe an early applicant North AmericaContractSenior

Senior Software Developer at CACI leading technical work and modernization of mission-critical DoD financial/acquisition systems built on the Momentum COTS platform. Day to day: mentoring developers, guiding Java microservices on OpenShift with GitLab CI/CD, Oracle/PostgreSQL, and WebMethods integrations. Onsite in Rosslyn, VA; TS/SCI clearance with CI polygraph required.

Agile Automation Bash CI/CD Cloud +18 skills

104K – 218K $

Senior Java Full-Stack Engineer - API & Cloud, Hybrid

NewBe an early applicant North AmericaSenior

Senior hands-on Java full-stack developer at KellyOCG in Montréal who designs, builds, and maintains business applications, contributing to technical design and supporting software through production. Core stack: Java/J2EE-Jakarta EE, Spring, REST/SOAP APIs, and Kafka; hybrid role.

J2EE Java Kafka SOAP Spring

Senior Full Stack Developer

NewBe an early applicant HybridNorth AmericaSenior

Senior hands-on full-stack developer designing, building, and maintaining business applications: secure APIs and integrations, technical design, mentoring, test documentation, and production support. Core stack is Java EE/Jakarta EE with Spring, Hibernate/JPA, REST/SOAP, Kafka, and Oracle/PostgreSQL/MariaDB. Hybrid in Montréal (3 days onsite, 2 remote after 30 days).

AI API Azure Bitbucket Cloud +23 skills

eFinancialCareers

Fullstack Engineer - Cognizant

NewBe an early applicant APAC

Full-stack engineer in Singapore (via Cognizant) on a large-scale support and maintenance project: hands-on new development plus production support and BAU work on an Agile team, built on Java/J2EE, Spring/Spring Boot, REST APIs, React, and SQL databases.

Agile API CI/CD CSS Git +14 skills

Fullstack Java

NewBe an early applicant HybridLATAM

Fullstack Java developer on a 5-month project contract for a banking client in Santiago Centro, hybrid (3 days on-site, 2 remote). Builds J2EE services on JBoss EAP/WebSphere/WebLogic with SOA, REST/SOAP, Oracle/SQL Server, and an AngularJS/TypeScript frontend. Net pay 2.0–2.3M CLP/month.

Angular API Eclipse Git Hibernate +18 skills

2M – 2.3M CLP / mo

Desarrollador Fullstack

NewBe an early applicant HybridLATAM

Fullstack developer (5-month project contract) for a banking company in Santiago Centro, Chile: building Java/J2EE backend services (JSF, Hibernate, JBoss EAP/WebSphere/WebLogic, SOA, REST/SOAP) with an AngularJS frontend. Hybrid mode: 3 days onsite, 2 days remote.

Angular API Eclipse Git Hibernate +18 skills

2M – 2.3M CLP / mo

reflexiveconcepts.catsone.com

Cloud Software Engineer III

NewBe an early applicant North America

Builds, maintains, and enhances Big-Data cloud systems for intelligence community programs, covering back-end processing, analysis, and indexing using Java, the Hadoop ecosystem (MapReduce, HDFS, HBase), distributed computing, and AWS. Requires an active TS/SCI clearance with full-scope polygraph; on-site in Annapolis Junction, MD.

Analytics Angular Authentication Avro AWS +30 skills

visualsoftinc.catsone.com

Senior Full Stack Developer - Active TS is a MUST (ONSITE - 100%)

NewBe an early applicant On-siteNorth AmericaFull-timeSenior

Visual Soft is hiring two senior full-stack Java developers to build and maintain Java/JEE and Angular applications on AWS (preferred) for a classified federal agency project in Huntsville, AL. Duties include cloud migration support, testing, documentation, and mentoring junior developers; an active Top Secret clearance and 100% onsite work are required.

Agile Angular API API Gateway AWS +15 skills

visualsoftinc.catsone.com

Senior Cloud Developer - Top SECRET - ONSITE

NewBe an early applicant North AmericaContractSenior

Senior Java full-stack developer building and maintaining AWS cloud applications for a federal agency project, including on-prem-to-cloud migration, testing, documentation, and mentoring junior team members. Fully onsite in Washington, DC; US citizenship with an active Top Secret clearance is required.

Agile Angular API API Gateway AWS +15 skills

Java Developer

NewBe an early applicant Europe

Java developer (hired via IT services firm SLTN) embedded in the Dutch Tax Administration's (Belastingdienst) Toezicht scrum teams in Apeldoorn, building and maintaining Java web applications and web services used by ~10,000 staff. Core stack: Java/Jakarta EE, Angular, OpenShift/Kubernetes, Tekton, Git.

Angular API Atlassian Bitbucket CI/CD +15 skills

Medior Full Stack Developer

NewBe an early applicant EuropeMiddle

Medior full stack developer on SLTN's assignment for the Dutch Tax Administration (Belastingdienst), building and maintaining custom web applications in DevOps/Scrum teams in Apeldoorn. Day-to-day spans Angular front-end, Spring Boot/Java back-end, DB2/SQL queries, Robot Framework test automation and OpenShift deployment. Fluent Dutch and 2–3 weekly office days are required.

Agile Angular API CI/CD Db2 +15 skills

akina.catsone.com

Software Integration Engineer 4 - (HPC, Linux, Shell Scripting)

NewBe an early applicant North America

Supports High Performance Computing (HPC) systems for a government customer at Annapolis Junction, MD (TS/SCI with polygraph required): integrating, installing, configuring, and troubleshooting COTS/GOTS software across UNIX/Linux/Windows environments. Day-to-day work centers on Linux shell scripting, GCC/parallel processing, and languages like C/C++, Java, and Python.

Bash C++ HPC J2EE Java +7 skills

203K – 248K $

akina.catsone.com

Software Integration Engineer Level 2 - (HPC, Linux, Python)

NewBe an early applicant North America

Provide on-site customer support for HPC software at a government mission site in Annapolis Junction, MD — installing, configuring, compiling, and troubleshooting software across UNIX/Linux/Windows systems. Core stack includes Python, Linux shell scripting, C/C++/Java, GCC, and parallel/multi-threaded processing. TS/SCI clearance with polygraph required.

Bash C++ HPC J2EE Java +7 skills

154K – 189K $

akina.catsone.com

Software Integration Engineer Level 3 - (HPC, Linux, Python)

NewBe an early applicant North America

Support High Performance Computing (HPC) operations for an intelligence-community customer at Annapolis Junction, MD: keep HPC systems running and support UNIX/Linux/Windows servers, desktops, and networks. Core stack is Linux shell scripting, Python, C/C++/Java, GCC, parallel processing, and GOTS schedulers; TS/SCI with polygraph required.

Bash C++ HPC J2EE Java +7 skills

176K – 216K $

akina.catsone.com

Software Engineer 2 - (Python, Linux, HPC)

NewBe an early applicant North America

Designs, develops, tests, and maintains system-management infrastructure software for High-Performance Computing (HPC) systems in a Linux environment, including processing-intensive analytics and large-scale data work. Core stack: Python, Bash/Unix scripting, Git/GitLab CI, containers. Requires TS/SCI clearance with polygraph; on-site in Annapolis Junction, MD.

Agile Analytics Ansible Atlassian Automation +34 skills

196K – 239K $

akina.catsone.com

Software Engineer 2 - (Python, Rust, Linux)

NewBe an early applicant North America

Designs, develops, tests, and maintains secure software for HPC systems — implementing access controls, permissions, and automation in Linux — using Python, Rust, and shell scripting. On-site role in Annapolis Junction, MD requiring TS/SCI clearance with polygraph.

Agile Analytics Ansible Atlassian Authentication +31 skills

196K – 239K $

akina.catsone.com

Software Engineer 3 - (Linux, Python, Java)

NewBe an early applicant North AmericaLead

Software Engineer 3 at Akina supporting a government customer at Fort Meade (TS/SCI with polygraph required): engineering, integrating, and sustaining the Delinea privileged-access/secrets-management suite on Linux, while developing software in Python and Java with Bash scripting and automation tools like Docker, Ansible, and SaltStack. Salary $218k-$266k.

Active Directory Agile Analytics Ansible API +39 skills

218K – 266K $

akina.catsone.com

Software Engineer 3 - (Python, Java, Apache Spark)

NewBe an early applicant North AmericaLead

Designs, develops, and optimizes large-scale data pipelines and analytics systems for a government customer at Fort Meade, MD, using Python, Java, and Apache Spark with Airflow orchestration. Requires an active TS/SCI clearance with polygraph; salary ranges $218k–$266k.

Agile Airflow Analytics Anomaly Detection Atlassian +37 skills

218K – 266K $

akina.catsone.com

Software Engineer 2 - (Java, Linux, Docker)

NewBe an early applicant North America

Software Engineer 2 building and maintaining Java-based developer tools and services (GitLab, Artifactory, MinIO, Jupyter, Docker) on Linux in support of a cleared government analytics program at Fort Meade. Requires an active TS/SCI clearance with polygraph; duties span coding, CI/CD, scripting, and testing. Salary $196k-$239k.

Agile Analytics Ansible Artifactory Atlassian +28 skills

196K – 239K $

akina.catsone.com

Software Engineer 2 - (Linux, Python, Docker)

NewBe an early applicant North America

Software Engineer 2 building and maintaining system management infrastructure for High Performance Computing (HPC) systems in a Linux environment at a government-contractor site. Day-to-day work spans Python and Bash development, Docker containerization, Ansible automation, CI/CD, and database/algorithm work; requires an active TS/SCI clearance with polygraph.

Agile Analytics Ansible Atlassian Automation +35 skills

196K – 239K $