Software Developer

Work Role ID: 621  |  Workforce Element: Software Engineering

What does this work role do? Executes software planning, requirements, risk management, design, development, architecture, modeling, estimation, configuration management, quality, security, and tests using software development methodologies, architectural structures, viewpoints, styles, design decisions, and frameworks across all lifecycle phases.


KSAT ID Description KSAT
22 * Knowledge of computer networking concepts and protocols, and network security methodologies. Knowledge
108 * Knowledge of risk management processes (e.g., methods for assessing and mitigating risk). Knowledge
1157 * Knowledge of national and international laws, regulations, policies, and ethics as they relate to cybersecurity. Knowledge
1158 * Knowledge of cybersecurity principles. Knowledge
1159 * Knowledge of cyber threats and vulnerabilities. Knowledge
6900 * Knowledge of specific operational impacts of cybersecurity lapses. Knowledge
6935 * Knowledge of cloud computing service models Software as a Service (SaaS), Infrastructure as a Service (IaaS), and Platform as a Service (PaaS). Knowledge
6938 * Knowledge of cloud computing deployment models in private, public, and hybrid environment and the difference between on-premises and off-premises environments. Knowledge
KSAT ID Description KSAT
3B Skill in conducting vulnerability scans and recognizing vulnerabilities in information systems and networks. Skill
3 Skill in conducting vulnerability scans and recognizing vulnerabilities in security systems. Skill
20 Knowledge of complex data structures. Knowledge
23 Knowledge of computer programming principles such as object-oriented design. Knowledge
38 Knowledge of organization’s enterprise information security architecture system. Knowledge
40 Knowledge of organization’s evaluation and validation requirements. Knowledge
43A Knowledge of embedded systems. Knowledge
56 Knowledge of cybersecurity principles and methods that apply to software development. Knowledge
63 Knowledge of cybersecurity principles and organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation). Knowledge
72 Knowledge of local area and wide area networking principles and concepts including bandwidth management. Knowledge
74 Knowledge of low-level computer languages (e.g., assembly languages). Knowledge
81A Knowledge of network protocols such as TCP/IP, Dynamic Host Configuration, Domain Name System (DNS), and directory services. Knowledge
90 Knowledge of operating systems. Knowledge
95B Knowledge of penetration testing principles, tools, and techniques, including specialized tools for non-traditional systems and networks (e.g., control systems). Knowledge
100 Knowledge of Privacy Impact Assessments. Knowledge
102 Knowledge of programming language structures and logic. Knowledge
105 Knowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, Procedural Language/Structured Query Language [PL/SQL] and injections, race conditions, covert channel, replay, return-oriented attacks, malicious code). Knowledge
109 Knowledge of secure configuration management techniques. Knowledge
116 Knowledge of software debugging principles. Knowledge
117 Knowledge of software design tools, methods, and techniques. Knowledge
118A Knowledge of software development models, methodologies, and practices (Waterfall Model, Spiral, Agile, DevSecOps). Knowledge
119 Knowledge of software engineering. Knowledge
121 Knowledge of structured analysis principles and methods. Knowledge
124 Knowledge of system design tools, methods, and techniques, including automated systems analysis and design tools. Knowledge
149 Knowledge of web services, including service-oriented architecture, Simple Object Access Protocol, and web service description language. Knowledge
168 Skill in conducting software debugging. Skill
172 Skill in creating and utilizing mathematical or statistical models. Skill
174 Skill in creating programs that validate and process multiple inputs including command line arguments, environmental variables, and input streams. Skill
177 Skill in designing countermeasures to identified security risks. Skill
185A Skill in developing applications that can log and handle errors, exceptions, and application faults and logging. Skill
191A Knowledge of development and application of security system access controls. Knowledge
197 Skill in discerning the protection needs (i.e., security controls) of information systems and networks. Skill
238A Skill in writing code in a currently supported programming language (e.g., Java, C++). Skill
408 Analyze information to determine, recommend, and plan the development of a new application or modification of an existing application. Task
414 Analyze user needs and software requirements to determine feasibility of design within time and cost constraints. Task
417 Apply coding and testing standards, apply security testing tools including “‘fuzzing” static-analysis code scanning tools, and conduct code reviews. Task
418 Apply secure code documentation. Task
432 Capture security controls used during the requirements phase to integrate security within the process, to identify key security objectives, and to maximize software security while minimizing disruption to plans and schedules. Task
446 Compile and write documentation of program development and subsequent revisions, inserting comments in the coded instructions so others can understand the program. Task
459A Conduct trial runs of programs and software applications to ensure the desired information is produced and instructions and security levels are correct. Task
461 Confer with systems analysts, engineers, programmers, and others to design application and to obtain information on project limitations and capabilities, performance requirements, and interfaces. Task
467 Consult with engineering staff to evaluate interface between hardware and software. Task
477 Correct errors by making appropriate changes and rechecking the program to ensure desired results are produced. Task
506 Design, develop, and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design. Task
515A Develop software system testing and validation procedures, programming, and documentation. Task
543 Develop secure code and error handling. Task
602 Evaluate factors such as reporting formats required, cost constraints, and need for security restrictions to determine hardware configuration. Task
634 Identify basic common coding flaws at a high level. Task
644 Identify security implications and apply methodologies within centralized and decentralized environments across the enterprises computer systems in software development. Task
645 Identify security issues around steady state operation and management of software and incorporate security measures that must be taken when a product reaches its end of life. Task
709A Modify and maintain existing software to correct errors, to adapt it to new hardware, or to upgrade interfaces and improve performance. Task
726 Oversee and make recommendations regarding configuration management. Task
756 Perform integrated quality assurance testing for security functionality and resiliency attack. Task
764 Perform secure programming and identify potential flaws in codes to mitigate vulnerabilities. Task
770 Perform risk analysis (e.g., threat, vulnerability, and probability of occurrence) whenever an application or system undergoes a major change. Task
785 Prepare detailed workflow charts and diagrams that describe input, output, and logical operation, and convert them into a series of instructions coded in a computer language. Task
826 Address security implications in the software acceptance phase including completion criteria, risk acceptance and documentation, common criteria, and methods of independent testing. Task
850 Store, retrieve, and manipulate data for analysis of system capabilities and requirements. Task
865 Translate security requirements into application design elements including documenting the elements of the software attack surfaces, conducting threat modeling, and defining any specific security criteria. Task
904A Knowledge of interpreted and compiled computer languages. Knowledge
905A Skill in applying secure coding techniques. Skill
905 Knowledge of secure coding techniques. Knowledge
968 Knowledge of software related information technology (IT) security principles and methods (e.g., modularization, layering, abstraction, data hiding, simplicity/minimization). Knowledge
970A Apply cybersecurity functions (e.g., encryption, access control, and identity management) to reduce exploitation opportunities. Task
971 Design countermeasures and mitigations against potential exploitations of programming language weaknesses and vulnerabilities in system and elements. Task
972A Determine and document software patches or the extent of releases that would leave software vulnerable. Task
973A Skill in using code analysis tools. Skill
976 Knowledge of software quality assurance process. Knowledge
978A Knowledge of root cause analysis techniques. Knowledge
979 Knowledge of supply chain risk management standards, processes, and practices. Knowledge
980A Skill in performing root cause analysis. Skill
1020A Skill in secure test plan design (e. g. unit, integration, system, acceptance). Skill
1034B Knowledge of Payment Card Industry (PCI) data security standards. Knowledge
1034C Knowledge of Personal Health Information (PHI) data security standards. Knowledge
1034A Knowledge of Personally Identifiable Information (PII) data security standards. Knowledge
1037A Knowledge of information technology (IT) risk management policies, requirements, and procedures. Knowledge
1038 Knowledge of local specialized system requirements (e.g., critical infrastructure systems that may not use standard information technology [IT]) for safety, performance, and reliability. Knowledge
1038B Knowledge of local specialized system requirements (e.g., critical infrastructure/control systems that may not use standard information technology [IT]) for safety, performance, and reliability). Knowledge
1071A Ability to develop secure software according to secure software deployment methodologies, tools, and practices. Ability
1072 Knowledge of network security architecture concepts including topology, protocols, components, and principles (e.g., application of defense-in-depth). Knowledge
1131 Knowledge of security architecture concepts and enterprise architecture reference models (e.g., Zackman, Federal Enterprise Architecture [FEA]). Knowledge
1135 Knowledge of the application firewall concepts and functions (e.g., Single point of authentication/audit/policy enforcement, message scanning for malicious content, data anonymization for PCI and PII compliance, data loss protection scanning, accelerated cryptographic operations, SSL security, REST/JSON processing). Knowledge
1140A Skill in using Public-Key Infrastructure (PKI) encryption and digital signature capabilities into applications (e.g., S/MIME email, SSL traffic). Skill
1149A Enable applications with public keying by leveraging existing public key infrastructure (PKI) libraries and incorporating certificate management and encryption functionalities when appropriate. Task
1150A Identify and leverage the enterprise-wide security services while designing and developing secure applications (e.g., Enterprise PKI, Federated Identity server, Enterprise AV solution) when appropriate. Task
1151 Identify and leverage the enterprise-wide version control system while designing and developing secure applications. Task
2156 Consult with customers about software system design and maintenance. Task
2335 Direct software programming and development of documentation. Task
2839 Supervise and assign work to programmers, designers, technologists and technicians and other engineering and scientific personnel. Task
3080 Ability to use and understand complex mathematical concepts (e.g., discrete math). Ability
3822A Skill in managing user relationships, including determining user needs/requirements, managing user expectations, and demonstrating commitment to delivering quality results. Skill
5200 Design, implement, test, and evaluate secure interfaces between information systems, physical systems, and/or embedded technologies. Task
6918 Ability to apply cybersecurity strategy to cloud computing service and deployment models, identifying proper architecture for different operating environments. Ability
6919 Ability to determine the best cloud deployment model for the appropriate operating environment. Ability
6942 Skill in designing or implementing cloud computing deployment models. Skill
6945 Skill in migrating workloads to, from, and among the different cloud computing service models. Skill
7097 Knowledge of planning for long-term maintainability using architectural structures, viewpoints, styles, design decisions and frameworks, and the underlying data structures. Knowledge