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JAVA DEVELOPER STD
Java developer who participates in all stages of software projects — analyzing technical documentation, contributing to component/architecture diagrams, and developing and unit-testing microservices. Core stack: Java 8–21, Spring Boot/Core, Quarkus, REST services, SQL/NoSQL databases, Maven, Git, and containers, working in Scrum teams.
Software Engineer I
On-site Java software engineer at Reflexive Concepts in Annapolis Junction, MD supporting the Digital Network Analytics (DNA) mission. Day to day: Java development, requirements gathering and documentation, plus tooling like Confluence/JIRA, Maven, GitLab, with AWS, MapReduce, JUnit, Python and Linux as nice-to-haves.
Software Engineer
Software Engineer II supporting a portfolio of COTS/GOTS government enterprise applications in Laurel, MD: maintaining and modernizing Java/Spring Boot backends, JavaScript/Angular frontends, and Oracle databases, with deployments in Linux/Docker/AWS environments. Requires an active TS/SCI clearance with polygraph.
Software Engineer II
Design, develop, integrate, test, and maintain highly available enterprise web services for an Identity, Credential, and Access Management (ICAM) solution supporting Attribute-Based Access Control, integrating with a COTS LDAP directory and other microservices. Core stack: Java, REST, Git/Maven, JUnit, GitLab CI/CD, Docker/Kubernetes.
Full Stack Developer/Integrator
Reflexive Concepts is hiring a Full Stack Developer/Integrator in Hanover, MD to build and support ICAM (identity, credential, and access management) products within a Zero Trust architecture. Daily work centers on Java/Spring Boot back ends, ReactJS front ends, Docker/Kubernetes, AWS, and REST/OAuth 2.0 integrations.
DevOps Engineer III
DevOps Engineer III on-site in Columbia, MD: builds release pipelines, automates deployments, and serves as technical lead on an Agile team managing Linux/AWS platform infrastructure. Core stack includes Git, Jenkins/Bamboo, Docker, Kubernetes, Puppet/Ansible, MySQL, and Elasticsearch.
Cloud Software Engineer III
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.
Senior Java ontwikkelaar
For this assignment, we are looking for candidates who have excellent communication skills in Dutch (spoken and written) Omschrijving De IvhO zoekt een Senior Java ontwikkelaar die zich voornamelijk gaat richten op de…
Software Engineer 1 - (Java, AWS, Git)
Software Engineer 1 developing, maintaining, and enhancing complex software systems for a cleared government client in Annapolis Junction, MD — analyzing requirements, coding in Java, debugging, testing, and documenting. Core stack is Java with AWS and Git/GitLab tooling; TS/SCI clearance with polygraph is required. Salary $164k–$201k.
Cloud Software Engineer 3 - (AWS, DevOps, Hadoop)
Builds, maintains, and enhances big-data cloud systems for an intelligence-community customer: developing Hadoop/MapReduce back-end processing and indexing pipelines on AWS, writing Java/Python services, and managing multi-node distributed installations. On-site in Annapolis Junction, MD; TS/SCI clearance with polygraph required.
Full-Stack Software Engineer 3 - (Java, REST APIs, NoSQL)
Full-stack Java engineer on a 3-4 person team building a web platform that integrates publicly available information into an analytical tool for mission customers. Day to day: develop Java REST APIs, data ingest pipelines (Apache NiFi), and NoSQL storage (Elasticsearch, Dgraph, MongoDB, Redis). TS/SCI clearance with polygraph required.
Software Engineer 2 - (Software Configuration Management, Release Engineering, RPM)
Software Configuration Management and Release Engineer who controls, packages, and releases software for classified government programs: building RPM packages, Helm charts, and container images, managing artifact repositories/registries, and supporting CI/CD (Jenkins, Maven, Kubernetes basics). Requires TS/SCI clearance with polygraph; onsite in Annapolis Junction, MD.
Java Developer
Java Developer in Wellington, NZ, designing and maintaining high-volume, low-latency, mission-critical Java applications across the full development lifecycle. Core stack: Java/Java EE, Spring, Hibernate/JPA, SQL, and build tools like Maven and Gradle.
Solution Architect
Contract (6 months, extendable) onsite Solution Architect in Hanoi who designs system/shared components, sets technical standards, and guides delivery teams for digital banking solutions in a Java/Spring Boot microservices environment. Requires 7+ years in solution development, incl. 5+ years in banking and as a Solution Architect.
Full Stack Java Developer
Designs, develops, tests, and supports scalable enterprise applications as a full stack Java developer — building RESTful APIs and microservices with Spring Boot, working with relational databases and cloud platforms (AWS/Azure/GCP), and supporting CI/CD, performance tuning, and production support in Agile teams.
Senior Software Engineer (.NET / Java)
Senior backend engineer (Colombo-based, on-site) for a data & technology services firm serving financial services, delivering enterprise platforms in either .NET (C#, ASP.NET Core) or Java (Spring). Owns features from design through production support, including legacy code conversion, REST APIs, integrations and data migrations, with AI-assisted engineering.
Associate Software Engineer (.NET / Java)
Entry-level, backend-focused engineering role in Colombo building and supporting enterprise software for a technology services firm serving financial services. You'll deliver small development, conversion and support tasks in either C#/.NET or Java — with unit tests, code reviews, Git and AI-assisted coding — under senior mentorship.