Job Description

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HM Note: This onsite contract role is in office every day at the manager's discretion. Candidate resumes must include first and last name, email and telephone contact information.
Description
Scope

• A senior API Software Developer with 8+ years of experience will be responsible for creating and using APIs to translate functional specifications into working and tested applications.
• This includes developing detailed programming specifications, user interface designs, prototypes, writing and/or generating code, compiling data driven programs, conducting unit tests and debugging code.

Assignment Deliverables

• Detailed design and specification documents for RESTful APIs, including endpoints, request/response models, authentication, and error handling.
• Clean, scalable, and secure REST APIs built using Java and Spring Boot, adhering to best practices and company standards.
• Modular and decoupled microservices, designed and deployed independently, with clear inter-service communication protocols.
• Using APIs to develop application based on the business requirement to transform and route data.
• Comprehensive test coverage using tools like JUnit, Mockito, or Test Containers to ensure code reliability and prevent regressions.
• Efficient relational database schemas designed and implemented to support API data storage and retrieval.
• Profiled and optimized APIs for response time, memory usage, and throughput, ensuring high performance under load.
• Secure API calls with proper authentication (e.g., OAuth2, JWT), authorization, input validation, and protection against common vulnerabilities (OWASP).
• Dockized applications with configuration files, docker-compose scripts, and Kubernetes manifests (if applicable) for smooth deployment.
• Integrated monitoring (e.g., Prometheus, Grafana) and logging (e.g., ELK stack, Logstash, or Splunk) for operational visibility.
• Produce clear documentation for developed systems such as design, deployment instructions, and operational guides.
• Regular code reviews, feedback sessions, and mentorship to junior developers, ensuring code quality and knowledge sharing.
• Weekly or sprint-based status updates on development progress, blockers, and delivered functionalities.
• Timely resolution of production issues, regression fixes, and performance improvements based on user feedback and testing.
• Available for any on-call on weekend for production issues.

Skills
Experience and Skillset Requirements
Mandatory Requirements * Extensive experience in designing, building, and consuming REST APIs, including experience with API documentation and testing.

• In-depth knowledge of integration patterns and best practices, including experience designing and building integration solutions using Spring Integration
• In-depth knowledge of microservice architecture and experience building scalable, highly available systems using various Azure Services.
• Hands-On experience in messaging queuing and event driven architecture.
• Experience with asynchronous communication, multi-threading.
• Strong skills in SQL and experience working with relational databases, such as SQL Server, or Oracle.
• Knowledge on Integration with Oauth2, JWT, SAML, etc.
• Knowledge of data transformation techniques, such as mapping and normalization, and experience using them in a Spring Integration context.
• Experience with asynchronous communication, multi-threading.
• Ability to transform data between different formats (JSON, XML, CSV).

Nice to Have Requirements

• Knowledge and experience in Criminal Justice Business and System

Desired Skills and Experience

• Strong proficiency in object-oriented programming and functional programming with modern Java features.
• Strong expertise in Java and the Java development ecosystem, including experience with Spring Boot.
• In-depth knowledge of microservice architecture and experience building scalable, highly available systems.
• Expertise in designing, building, and consuming REST APIs; knowledge of HTTP methods, status codes, and REST best practices
• In-depth knowledge of integration patterns and best practices, including experience designing and building integration solutions using Spring Integration
• Experience with enterprise integration technologies, such as JMS, AMQP, or REST, and an understanding of how to use them in a Spring Integration context.
• Strong knowledge of XML and experience working with XML-based integration solutions, such as XSLT and XPath.
• Knowledge of data transformation techniques, such as mapping and normalization, and experience using them in a Spring Integration context.
• Experience with message-oriented middleware and enterprise service buses, such as Azure Service Bus
• Experience on Event Driven architecture, experience on Azure Event Hub, etc.
• Strong skills in SQL and experience working with relational databases, such as SQL Server, or Oracle.
• Understanding of security best practices and experience implementing authentication, authorization, and encryption.
• Strong experience with writing automated tests, including unit, API test, and a deep understanding of the testing process.
• Familiarity with Kubernetes, Helm, or other container orchestration tools.
• Familiarity with Agile software development methodologies, such as Scrum or Kanban, and experience participating in sprint planning and retrospectives.
• Excellent communication skills, both written and verbal, and the ability to work effectively with both technical and non-technical stakeholders.
• A passion for staying up-to-date with the latest industry trends and technologies, and a desire to continuously learn and improve your skills.
• Strong problem-solving and debugging skills, and experience diagnosing and resolving complex issues.
• A track record of delivering high-quality, robust, and scalable solutions in a fast-paced, deadline-driven environment.
• Strong analytical and troubleshooting abilities for complex systems.
• Clear verbal and written communication for technical and non-technical stakeholders..
• Capable of mentoring junior developers and contributing to architectural decisions.
• Ability to prioritize tasks, manage deadlines, and handle multiple responsibilities.

Resumes Evaluation/Criteria:
Criteria 1: Technical Design - 30 Points

• Strong expertise in Java and the Java development ecosystem, including experience with Spring Boot.
• In-depth knowledge of microservice, Event Driven architecture and experience building scalable, highly available systems.
• Extensive experience with REST API design and development, including experience with API documentation and testing.
• Practical knowledge in applying various design patterns and standards to the technical design and development.
• Strong skills in SQL and experience working with relational databases, such as SQL Server.

Criteria 2: Integration - 30 Points

• In-depth knowledge of integration patterns and best practices, including experience designing and building integration solutions using Spring Integration
• Hands-On experience in messaging queuing (Azure Service Bus) and event driven architecture.

Criteria 3: Technical Framework and Middleware - 25 Points

• In-depth knowledge of microservice architecture and experience building scalable, highly available systems using various Azure Services.
• Must have prior experience in working with containerized environments such as Azure, OpenShift, Docker, Kubernetes, Microservices, etc.
• Experience with message-oriented middleware and enterprise service buses, such as Azure Service Bus.
• Experience on Event Driven architecture.

Criteria 4: Security - 10 Points

• Experience with Security and Web Services Security standards and frameworks. Must have extensive working experience in OAuth, OpenID, SAML 2.0, etc.
• Understanding of security best practices and experience implementing authentication, authorization, and encryption.

Criteria 5: Public Sector Experience - 5 Points

• Previous experience working in Government or Public Sector organization.

Knowledge Transfer
What needs to be KT

• Code & Documentations of all type assigned for this role.

To whom

• Project Manager / Team members

When

• 1:1 meetings / team meetings / documentation on SharePoint site, throughout the duration of the project life cycle etc.

Must haves: * Extensive experience in designing, building, and consuming REST APIs, including experience with API documentation and testing.

• In-depth knowledge of integration patterns and best practices, including experience designing and building integration solutions using Spring Integration
• In-depth knowledge of microservice architecture and experience building scalable, highly available systems using various Azure Services.
• Hands-On experience in messaging queuing and event driven architecture.
• Strong skills in SQL and experience working with relational databases, such as SQL Server, or Oracle.
• Knowledge on Integration with Oauth2, JWT, SAML, etc.
• Knowledge of data transformation techniques, such as mapping and normalization, and experience using them in a Spring Integration context.

Nice to have:

• Knowledge and experience in Criminal Justice Business and System
• Experience with asynchronous communication, multi-threading.
• Ability to transform data between different formats (JSON, XML, CSV).

Skills Required