Apex Systems, Inc.
Sr. .NET API Developer
Addison, TX
Apr 17, 2025
Contract
Full Job Description

Job#: 2066456

Job Description:

Position: Senior .NET Developer

Location: Addison, TX

Schedule: Onsite 5x per week

Duration: Up to 18 month contract, potential to convert to full time

Pay rate: $80/hr W2

Must be authorized to work in the United States without sponsorship now or in the future.


Job Description

This role is responsible for developing and delivering complex requirements to accomplish business goals. Key responsibilities of the role include ensuring that software is developed to meet functional, non-functional, and compliance requirements. This role ensures solutions are well designed with maintainability/ease of integration and testing built-in from the outset. These individuals possess strong proficiency in development and testing practices common to the industry and have extensive experience of using design and architectural patterns. This role will require becoming deeply familiar with Jira Service Management functionality in order to build bidirectional API and Event/Messaging based systems integrations.

Responsibilities

  • Contribute to story refinement/defining requirements
  • Perform spike/proof of concept as necessary to mitigate risk or implement new ideas
  • Code solutions and unit test to deliver a requirement/story per the defined acceptance criteria and compliance requirements
  • Utilize multiple architectural components (across data, application, business) in design and development of client requirements
  • Assist team with resolving technical complexities involved in realizing story work
  • Design/develop/modify architecture components, application interfaces, and solution enablers while ensuring principal architecture integrity is maintained
  • Design/develop/maintain automated test suites (integration, regression, performance)


Mandatory Skills

  • Previous Application Programming/Development experience designing, developing, and deploying scalable, high-volume, multi-tiered, distributed transactional applications
  • Deep knowledge designing and implementing RESTful Web APIs on recent .NET and/or .NET Framework versions
  • Deep knowledge designing and implementing Event Based integration services using Message Brokers such as Kafka, RabbitMQ, etc.
  • Understanding of Functional Programming, Domain Driven Design, and Consumer Driven Contracts, Clean Architecture, CQRS
  • Proficient with API instrumentation, resiliency, caching, modularity
  • Proficient with API Security Frameworks (oAuth, JWT, etc.)
  • Proficient with API documentation tools (Swagger or similar)
  • Strong understanding of unit testing frameworks, TDD, CI, IoC
  • Strong knowledge of SQL Server databases
  • Deep understanding of Git version control system
  • Experience working in Agile development process and good understanding of various phases of Software Development Lifecycle
  • Experience in data access technologies and patterns
  • Ability to communicate, written and verbal, with technical and non-technical cross-functional teams

Desired Skills

  • Any F# experience
  • Recent Angular Experience
  • Jira/Jira Service Management Workflow Configuration and API Integrations
  • Knowledge of software development lifecycle; preferably with Agile, Kanban/Scrum
  • Experience with cyber security related workflows/solutions/implementation
  • Experience working in cross-platform (Windows and Linux) command line environments


EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

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Job Information
Job Category:
Information Technology
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Sr. .NET API Developer
Apex Systems, Inc.
Addison, TX
Apr 17, 2025
Contract
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