PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
4w
Save
Mark Applied
Hide
Senior Backend API Engineer
Linthicum, Maryland, United States
OnsiteFull Time
7+ YOEActive TS/SCI with polygraph required; 7+ years backend development experience with Python, RESTful APIs, Django/Flask, Docker, MariaDB/MongoDB; experience with Git, Jira, Confluence; strong troubleshooting and communication skills.
Python, Django, Flask, MariaDB, MongoDB, JSON, XML, Docker, Git, Jira, Confluence, AWS
1mo
Save
Mark Applied
Hide
Software Engineer - Java, Microservices, MuleSoft & API Development (Remote)
Baltimore, Maryland, United States
$80k-$158k/yr RemoteFull Time
5+ YOEBachelor's in IT/Computer Science (or 4 additional years experience), 5+ years software design/development, experience with Java, microservices, APIs, MuleSoft, Docker/Kubernetes, AWS/Azure, SQL/NoSQL, CI/CD, testing frameworks, and mentoring/leading teams.
Java, Spring, Spring Boot, Spring Cloud, Spring Core, Spring MVC, Spring Integration, Spring Batch, REST, SOAP, Docker, Kubernetes, Microsoft Azure, Microsoft Azure Monitor, Microsoft Azure Kubernetes Service (AKS), AWS, Oracle, Postgres, PostgreSQL, Mongodb, Cassandra, Elastic/ELK, Splunk, Kibana, Confluent, Apache Kafka, Kafka Streams, Postman, newman, MuleSoft, Dataweave, FHIR (Fast Healthcare Interoperability Resources), HL7, Cucumber, TestNG, Rest Assured, JSON, XML, Git, Bitbucket, Jira, Swagger/OpenAPI Specification, Service Mesh, OAuth, Apigee, Maven, Jenkins, SonarQube, Artifactory, UNIX, Shell
4w
Save
Mark Applied
Hide
Application Engineer 4 (API)
Linthicum Heights, Maryland, United States
HybridFull Time
4+ YOETS/SCI with Polygraph required. Python, Docker, Django/Flask, MariaDB or MongoDB, REST and microservices experience. Minimum 4-12 years experience depending on degree.
Python, Docker, Django, Flask, MariaDB, MongoDB, ReST, AWS, JSON, XML, Jira, Confluence, Git
1d
Save
Mark Applied
Hide
Developer, Applications
Westminster or Crawfordsville
$70k-$85k/yr OnsiteFull Time
2+ YOECollege degree or equivalent with 2+ years IT development/support experience; experience with ERP/WMS/TMS; strong Oracle PL/SQL, Linux, Python, JavaScript, and Git skills; barcode and API knowledge.
Oracle, PL/SQL, Linux, Python, HTML, JavaScript, Perl, C, TCP/IP, API, Git, VS Code
1mo
Save
Mark Applied
Hide
Senior React Developer
Annapolis Junction or Columbia
$200k-$275k/yr HybridFull Time
12+ YOESenior full-stack developer proficient in React and Java/Spring Boot; experience migrating legacy systems; ability to work with Camunda and Pega workflows; strong REST APIs and Oracle/SQL skills.
React, Java, Spring Boot, Camunda, Pega, Oracle, SQL, REST API
3mo
Save
Mark Applied
Hide
Senior Software Engineer - Finance
Hummelstown, Pennsylvania, United States
OnsiteFull Time
5+ YOE5-8 years software development with .NET; strong database, API, and security skills; finance domain knowledge.
C#, .NET Framework, .NET Core, MVC, WPF, React, SQL Server, PostgreSQL, APIs, Confluence
3mo
Save
Mark Applied
Hide
Business Applications Developer
Harrisburg, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years development/integration experience; API-driven apps; REST APIs; DB2/SQL Server; C#; PHP; JavaScript; Git.
Microsoft Visual Studio, Visual Studio Code, SQL Server Management Studio, IBM Data Studio, Git
2w
Save
Mark Applied
Hide
Junior Developer
Paradise, Pennsylvania, United States
$28-$34/hr OnsiteFull Time
Experience with API integration, databases, and coding in multiple languages (preferably PHP, Python, JavaScript). Familiarity with Jira, Git, Trello, QuickBase/Zoho, and comfortable using AI-assisted development tools.
PHP, Python, JavaScript, GitHub Copilot, Jira, Git, Trello, QuickBase, Zoho, Sage Intacct, REST APIs
1w
Save
Mark Applied
Hide
Software Engineer
Annapolis Junction, Maryland, United States
$96-$108/hr OnsiteFull Time
14+ YOESenior full-stack developer with experience in Java, Spring Boot, Linux, APIs, SQL, Git, and container tooling; TS/SCI with polygraph required; HS/GED plus 18+ years or Bachelor's plus 14+ years of software engineering experience.
Java, JavaScript, Spring Boot, Linux, API, SQL, Git, Docker, Docker Compose, Maven, Apache Kafka, Apache NiFi, Jira, Confluence, ReactJS
3w
Save
Mark Applied
Hide
Software Engineer I
Sparks or Sacramento or Dayton or Hagerstown
$45k-$52k/yr OnsiteFull Time
1+ YOEBachelor's in CS/IS or 3 years' equivalent experience; 1–2 years web/app development (JavaScript/CSS) preferred; experience or exposure to ColdFusion, React, MySQL; familiarity with APIs, Git, and Jira; strong communication and problem-solving.
ColdFusion, React, HTML5, CSS3, JavaScript (ES6), Bootstrap, jQuery, MySQL, APIs, webhooks, XML, JSON, CSV, Git, Jira, AWS, Azure, Warehouse Management System (WMS), Electronic Data Interchange (EDI)
2w
Save
Mark Applied
Hide
Software Development Engineer – Product Development
Middletown or United States
RemoteFull Time
3+ YOEBachelor's in CS/IT or related and 3 years' experience; proficiency with HTML 5, Angular Framework, CSS, OpenAPI, Unix, Linux, MySQL, Java, Vue.js; front- and back-end development, APIs, Agile methodology, and database handling.
HTML 5, Angular Framework, CSS, OpenAPI, Unix, Linux, MySQL, Java, Vue.js, Agile development methodology, APIs
2w
Save
Mark Applied
Hide
ServiceNow Developer
Dallas or Washington or Columbia or United States
RemoteContract
5+ YOEBachelor's degree and 5+ years ServiceNow developer/administrator experience; strong JavaScript and SQL skills; ServiceNow ITSM, Flow Designer, Integration Hub, REST API, CMDB, and platform administration experience.
ServiceNow, ITSM, CMDB, Service Catalog, Flow Designer, Integration Hub, Business Rules, Script Includes, Client Scripts, UI Policies, UI Actions, Scripted REST APIs, Import Sets, Transform Maps, ACLs, Performance Analytics, Reports, Dashboards, JavaScript, SQL, Python, HTML, CSS, React, Node.js, Express.js, REST APIs, JSON, XML, PostgreSQL, MongoDB, AWS (EC2, RDS, S3), Git, Postman, VS Code
2d
Save
Mark Applied
Hide
Software Engineer Level 5
Annapolis Junction, Maryland, United States
OnsiteFull Time
Active Top Secret/SCI with CI Polygraph; backend development, data engineering, API development; experience with Python, FastAPI, PostgreSQL, and Elasticsearch.
Python, FastAPI, PostgreSQL, Elasticsearch
1mo
Save
Mark Applied
Hide
Web Developer- Hybrid
Annapolis Junction, Maryland, United States
HybridFull Time
4+ YOE4+ years web development experience with JavaScript/TypeScript, HTML5, CSS3; REST API integration, debugging, and technical documentation. Active TS/SCI clearance with Full Scope Polygraph required.
JavaScript, TypeScript, HTML5, CSS3, REST, React, Angular, Vue.js, Git
2mo
Save
Mark Applied
Hide
Salesforce Developer
Columbia, Maryland, United States
HybridFull Time
5+ YOE5+ years Salesforce development; Apex, LWC, Flow; REST/SOAP; Bachelor's in CS/IT or equivalent; federal/regulatory experience; strong communication.
Apex, Lightning Web Components, Flow, REST API, SOAP API, Platform Events, AWS, Salesforce Einstein, CI/CD
1mo
Save
Mark Applied
Hide
SAP Convergent Charging (CC) Developer
Middletown, Pennsylvania, United States
OnsiteContract
7+ YOE7+ years SAP development experience with 3+ years in SAP Convergent Charging, strong billing/charging and integration skills, Java/SQL/API experience, SAP BRIM/S4HANA knowledge, and relevant SAP/cloud certifications or equivalent degree.
SAP BRIM, Microsoft Dynamics CE, SAP Convergent Charging (CC), SAP Convergent Invoicing (CI), SAP Subscription Order Management (SOM), SAP FI-CA, SAP S/4HANA, SAP BTP, SAP Integration Suite, SAP HANA, ABAP, Java, SQL, APIs, CI/CD
3d
Save
Mark Applied
Hide
Senior Software Developer
Towson, Maryland, United States
$85k-$117k/yr RemoteFull Time
8+ YOE8+ years back-end focused software development with Java and/or NodeJS, RESTful API design, Angular front-end experience, AWS cloud, Git/GitHub, unit/integration testing, and U.S. citizenship eligible for Public Trust.
Java, NodeJS, Angular, C#, .Net, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JIRA, JUnit, Jest, Docker, ECS, EKS, Electronic Data Interchange X.12 (EDI), XML, JSON, Microsoft Teams
1mo
Save
Mark Applied
Hide
MuleSoft Developer II
Harrisburg, Pennsylvania, United States
HybridFull Time
5+ YOE5+ years software development; strong MuleSoft, .NET (C#), and JavaScript experience; experience with MuleSoft CloudHub, API-led design and OpenAPI (OAS); REST, JSON/XML, DataWeave; CI/CD and Git; Bachelor's in Computer Science/Engineering required.
MuleSoft Anypoint Platform, Mule 4, MuleSoft CloudHub, API Manager, Exchange, Runtime Manager, .NET, C#, JavaScript, OpenAPI Specification (OAS), DataWeave, CI/CD, Git, REST, JSON, XML
2mo
Save
Mark Applied
Hide
Senior Integrations Engineer
Baltimore or Seattle
$150k-$185k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience building and shipping production integrations; strong API experience (REST, webhooks, OAuth); enterprise MarTech implementation experience; strong communication and ownership.
APIs, REST, webhooks, OAuth, Braze, Salesforce Marketing Cloud, Adobe Experience Platform, Contentful, AEM
2mo
Save
Mark Applied
Hide
Mid Level Software Engineer
Baltimore, Maryland, United States
$125k-$150k/yr HybridFull Time
3+ YOE3-7 years software engineering, strong C++, distributed systems, robotics/autonomy, AI-assisted development tools; APIs and networking experience.
C++, MAVLink, Protobuf, DDS, CAN, TCP/IP, serial, OpenAI Codex, Claude Code
Explore Jobs