Tech jobs
Job listings
SOFTWARE ENGINEER III (Pleno) - GOLANG
Mid-level (Pleno) backend engineer at Stone, a Brazilian payments fintech, developing and evolving mission-critical systems in Go. Day to day involves building microservices with high performance/scalability standards, event-driven messaging (Kafka/RabbitMQ), relational databases, monitoring production, and code reviews.
Software Engineer II
Full-stack Software Engineer II building and deploying cloud-native web applications and services for a utility customer-service and operations platform. Core stack is Java, JavaScript, HTML/CSS, relational databases/SQL, and AWS, with agentic AI tools like Claude Code used across the lifecycle.
Software Engineer II
Reflexive Concepts is hiring a Software Engineer II in Annapolis Junction, MD to build and maintain data workflows and automation pipelines on Apache Airflow, collaborating with data engineers and platform teams to keep workflows scalable and production ready. Requires an active TS/SCI with FS polygraph and recent Python and Java experience.
Software Engineer II
Reflexive Concepts is hiring a Software Engineer II in Annapolis Junction, MD to develop and maintain high-performance cloud-based analytics solutions that process heavy data volumes. Day-to-day work centers on Java development, big-data/distributed processing with Spark or MapReduce, SQL/NoSQL queries, and Python scientific libraries (Pandas/NumPy/SciPy).
Software Engineer II
Reflexive Concepts is hiring a Software Engineer II in Annapolis Junction, MD to develop software for cleared government/intelligence programs. The role centers on Java with MapReduce, cloud, GhostMachine, and QTA, and requires ~14 years of SWE experience (or a CS degree plus experience) with a possible in-scope polygraph.
Software Engineer II
Develops and maintains system-management infrastructure software and services for High Performance Computing (HPC) systems in a Linux environment, supporting Centralized UIs & Dashboards (CUID). Stack centers on Python, Bash, Ansible, containers, Vault, Keycloak, and CI/CD; on-site in Annapolis Junction, MD with active TS/SCI + FS Polygraph required.
Software Engineer II
Designs, develops, and maintains developer tools and services for the CLEVERCHEMIST product suite (GitLab, Artifactory, MinIO, Jupyter, SPARTANDESK Linux desktop) supporting cleared government mission customers. Core stack: Java, Bash/Python/PHP, Ansible, Docker, GitLab CI on Linux. Requires TS/SCI + full-scope polygraph.
Software Integration Engineer II
Level 2 Software Integration Engineer on an SRE team supporting mission-operations infrastructure: automation, alerting, resiliency, monitoring, and troubleshooting customer use-case configurations. Core stack is Linux (RHEL-family), Python/C/BASH, and Salt/Ansible, with Nagios/Thruk, Splunk, Prometheus, and Grafana; requires TS/SCI with full-scope polygraph and an on-call rotation.
Software Engineer II
Builds mission-focused web applications for government/intelligence customers on a small Agile team: developing React frontends (including large-scale graph visualizations) and Node.js/Express microservices, deployed with Docker/Kubernetes via GitLab CI/CD. Requires an active TS/SCI clearance with MPO polygraph.
Web Developer II
Reflexive Concepts is hiring a Web Developer II in Annapolis Junction, MD, to integrate, troubleshoot, and enhance front-end applications supporting mission-critical intelligence capabilities. Day-to-day work centers on JavaScript frameworks (React, Angular, or Vue) and interfacing with REST-based services on Apache Tomcat/Java or NodeJS.
Software Engineer II
Develops, sustains, and troubleshoots the GHOSTGEM software suite (including DINO) on-site at Fort Meade, MD, integrating COTS, GOTS, and FOSS components. Core stack is Python 3 on Linux with MongoDB, Docker/Kubernetes and Helm, GitLab CI, RabbitMQ, and Ansible; requires an active TS/SCI with full-scope polygraph.
Software Engineer II
Reflexive Concepts is hiring a Software Engineer II for its VISTA Development and Sustainment program (Common Services Team) in Annapolis Junction, MD. The role builds and sustains big-data/cloud services using Hadoop, Accumulo, AWS, Terraform, Java, and Python, and requires an in-scope polygraph.
Software Engineer II
Software Engineer II supporting the VISTA Development and Sustainment effort on the Inference Processing team in Annapolis Junction, MD. Day-to-day big-data/cloud engineering with Hadoop, Accumulo, AWS, and Terraform in Java and Python; requires an in-scope polygraph and 14 years of SWE experience.
Software Engineer II
Software Engineer II supporting the VISTA Development and Sustainment effort on the Integration Services team: designing, coding, debugging, and integrating software, building algorithms and database/data-repository interfaces, and writing test procedures and documentation. Core stack is Python, Kotlin/Java, Terraform, Elasticsearch/OpenSearch, and AWS; an in-scope polygraph within 7 years is requ
Software Engineer II
Backend Software Engineer II on Reflexive Concepts' Data Analysis & Visualization team, building Java/Spring Boot backend services and RESTful APIs that turn mission data into usable analytics. Day-to-day work spans system design, relational schema work, code reviews, and Agile delivery in Linux environments, on-site in Annapolis Junction, MD.
Software Engineer II
Builds and maintains system-management infrastructure software and services for High-Performance Computing (HPC) systems in a Linux environment, supporting Centralized UIs & Dashboards. Automates operational tasks with Python and Bash and delivers via GitLab CI on an Agile team. Requires an active TS/SCI with full-scope polygraph.
Software Engineer II
Software Engineer II on the JBlocks team in Hanover, MD, implementing new data-labeling and marking capabilities across the full software development lifecycle. Core stack is Java with unit/integration testing, Docker containerization, GitLab CI/CD, and Linux, in a policy-driven environment (ISM, CAPCO, CUI).
Software Engineer II
Software Engineer implementing access control and permission solutions that secure high-performance computing (HPC) resources for an intelligence-community program in Annapolis Junction, MD. Day-to-day work spans Python and Rust development, authentication/authorization logic, and Linux administration, requiring an active TS/SCI with full-scope polygraph.