

Sr. API Developer
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a Sr. API Developer on a long-term contract, fully remote, requiring W2 eligibility. Key skills include Java, API Design, and Observability tools. An undergraduate degree in a related field is required.
π - Country
United States
π± - Currency
$ USD
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π° - Day rate
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ποΈ - Date discovered
August 23, 2025
π - Project duration
Unknown
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ποΈ - Location type
Remote
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π - Contract type
W2 Contractor
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π - Security clearance
Unknown
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π - Location detailed
United States
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π§ - Skills detailed
#Java #Compliance #Computer Science #Quality Assurance #Splunk #Automation #Grafana #API (Application Programming Interface) #Observability #Debugging #Risk Analysis #Kafka (Apache Kafka)
Role description
PLEASE DO NOT APPLY IF YOU REQUIRE A C2C/C2H/3RD PARTY SETUP!
CBTS has partnered with a client to identify a Sr. API Developer on a long term contract opening. This role can be FULLY REMOTE if you are able to work/support EST business hours
β’ W2 eligible candidates only! C2c/1099/C2H will not be allowed or pursued
β’ We do carry the ability to transfer an H1-B visa if needed
MUST HAVES:
β’ Java (concurrency, memory management, performance tuning)
β’ Distributed System Design
β’ Real Time Processing
β’ API Design
β’ Messaging/Eventing (MQ, Kafka, etc.)
β’ Availability Engineering (SLAs, failover, degradation, etc.)
β’ Observability (Openelemetry, Grafana, Splunk, etc.)
JOB DESCRIPTION
β’ Full lifecycle application development
β’ Designing, coding and debugging applications in various software languages.
β’ Software analysis, code analysis, requirements analysis, software review, identification of code metrics, system risk analysis, software reliability analysis
β’ Object-oriented Design and Analysis (OOA and OOD)
β’ Software modeling and simulation
β’ Front end graphical user interface design
β’ Software testing and quality assurance
β’ Performance tuning, improvement, balancing, usability, automation.
β’ Support, maintain and document software functionality
β’ Integrate software with existing systems
β’ Evaluate and identify new technologies for implementation
β’ Maintain standards compliance
β’ Implement localization or globalization of software
β’ Undergraduate degree in computer engineering, computer science, information technology or a related discipline.
PLEASE DO NOT APPLY IF YOU REQUIRE A C2C/C2H/3RD PARTY SETUP!
CBTS has partnered with a client to identify a Sr. API Developer on a long term contract opening. This role can be FULLY REMOTE if you are able to work/support EST business hours
β’ W2 eligible candidates only! C2c/1099/C2H will not be allowed or pursued
β’ We do carry the ability to transfer an H1-B visa if needed
MUST HAVES:
β’ Java (concurrency, memory management, performance tuning)
β’ Distributed System Design
β’ Real Time Processing
β’ API Design
β’ Messaging/Eventing (MQ, Kafka, etc.)
β’ Availability Engineering (SLAs, failover, degradation, etc.)
β’ Observability (Openelemetry, Grafana, Splunk, etc.)
JOB DESCRIPTION
β’ Full lifecycle application development
β’ Designing, coding and debugging applications in various software languages.
β’ Software analysis, code analysis, requirements analysis, software review, identification of code metrics, system risk analysis, software reliability analysis
β’ Object-oriented Design and Analysis (OOA and OOD)
β’ Software modeling and simulation
β’ Front end graphical user interface design
β’ Software testing and quality assurance
β’ Performance tuning, improvement, balancing, usability, automation.
β’ Support, maintain and document software functionality
β’ Integrate software with existing systems
β’ Evaluate and identify new technologies for implementation
β’ Maintain standards compliance
β’ Implement localization or globalization of software
β’ Undergraduate degree in computer engineering, computer science, information technology or a related discipline.