Senior .NET/C# Developer

cyberThink, Inc.; Austin (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

cyberThink, Inc. in Austin, TX is seeking a Senior .NET/C# Developer to lead and code in a fast‑paced Agile team. You will design, implement, and support an authentication platform, balancing coding with system design to deliver on schedule.

The role requires 6–10 years’ experience, strong C#/.NET, Angular/React UI, IAM exposure, and cloud/DB knowledge. Onsite four days weekly in Austin, W2 visa transfer considered. Lead with senior engineers to ensure high availability and scalable solutions.

Qualifications

• Bachelor s or master s degree in computer science or a related technical field.
• Over 7 years of hands-on application programming and/or test automation framework experience within an Agile development environment.
• Proficient in software development using .NET technologies.
• At least 3 years of demonstrated leadership in delivering and driving the adoption of technical innovations across teams.
• Strong familiarity with Agile/Lean development and testing methodologies, including Test Driven Development, Continuous Integration, and Continuous Delivery.
• Experience working with databases such as MongoDB and Aerospike.
• Knowledge of authentication protocols such as Kerberos, certificate‑based authentication, and Ping Identity solutions.

Responsibilities

• Lead the development and delivery of organizational software products through QA, UAT, and Production phases.
• Collaborate with product owners and key stakeholders across Project Management, Business, QA, and Technology Operations to ensure projects are delivered on schedule and within budget.
• Partner with the Scrum Master and product owner to provide accurate development sizing and cost analysis estimates.
• Work alongside the product owner and team members on story decomposition, feature design, and task prioritization.
• Utilize automated testing tools and frameworks, including test‑driven development, to uphold software quality standards.
• Support Identity and credential managements system for Authentication between internal and external Schwab systems.
• Help resolve needs and remove roadblocks identified by team members in collaboration with the Scrum Master.
• Coordinate individual team deliverables to facilitate successful product releases.
• Identify technology risks promptly and implement mitigation strategies.
• Conduct regular reviews and code quality improvement sessions with both onshore and offshore developers, emphasizing requirements specification and design methodologies.
• Prototype, validate, and develop tailored application solutions to address business requirements.

Skills

C# .NET

Angular

React

System design

Software architecture

Mentoring

AI development

IAM

Education

Bachelor's or Master’s in Computer Science or related field

Tools

MongoDB

Aerospike

Job description

• 12+ Months Contract

Location: Austin, TX

**Onsite 4 days weekly in Austin, TX**

**W2 candidates only Visa transfer can be considered**

Job Description:

The Senior .NET/C# Developer, with skills equivalent to 6-10 years in a comparable position, will serve as a hands‑on lead developer in a dynamic, fast‑paced, and Agile environment. This role is a part of the Online Security Technologies team, responsible for designing, developing, and supporting a mission‑critical Authentication platform. The responsibilities are divided into 50% design and 50% development, requiring the successful candidate to contribute both as a coder and system designer. This position collaborates with a team of experienced engineers focused on the Agile development life cycle and ensuring on‑time, high‑quality software releases.

Responsibilities:

• Lead the development and delivery of organizational software products through QA, UAT, and Production phases.
• Collaborate with product owners and key stakeholders across Project Management, Business, QA, and Technology Operations to ensure projects are delivered on schedule and within budget.
• Partner with the Scrum Master and product owner to provide accurate development sizing and cost analysis estimates.
• Work alongside the product owner and team members on story decomposition, feature design, and task prioritization.
• Utilize automated testing tools and frameworks, including test‑driven development, to uphold software quality standards.
• Support Identity and credential managements system for Authentication between internal and external Schwab systems.
• Help resolve needs and remove roadblocks identified by team members in collaboration with the Scrum Master.
• Coordinate individual team deliverables to facilitate successful product releases.
• Identify technology risks promptly and implement mitigation strategies.
• Conduct regular reviews and code quality improvement sessions with both onshore and offshore developers, emphasizing requirements specification and design methodologies.
• Prototype, validate, and develop tailored application solutions to address business requirements.

MUST HAVE:

• Demonstrated expertise in developing server‑side applications (API Subject Matter Expert) utilizing C# and .NET technologies.
• Experience in developing UI utilizing Angular or react
• Extensive experience designing and implementing solutions for applications requiring high availability, throughput, and scalability.
• Strong knowledge of contemporary system architecture as well as development standards and guidelines.
• Proven ability to mentor and provide guidance to junior team members.
• Background in AI development and Specification-Driven Development.
• Experience working with Identity and Access Management (IAM) systems.

Qualifications:

• Bachelor s or master s degree in computer science or a related technical field.
• Over 7 years of hands‑on application programming and/or test automation framework experience within an Agile development environment.
• Proficient in software development using .NET technologies.
• At least 3 years of demonstrated leadership in delivering and driving the adoption of technical innovations across teams.
• Strong familiarity with Agile/Lean development and testing methodologies, including Test Driven Development, Continuous Integration, and Continuous Delivery.
• Experience working with databases such as MongoDB and Aerospike.
• Knowledge of authentication protocols such as Kerberos, certificate‑based authentication, and Ping Identity solutions.
• Skilled in testing RESTful web services using test automation frameworks; capable of parsing nested JSON and XML. Experience with SOAP is advantageous.
• Proven ability to perform effectively under pressure in challenging environments.
• Proficient with source control systems and Agile tools including Bitbucket, Jira, Zephyr, Bamboo, and Git.
• Experience with Google Cloud Platform.
• Background in CI/CD environments (e.g., Bamboo), including creating, modifying, and executing jobs from scratch using Git as a source control system.
• Expertise in troubleshooting production issues through analysis of logs (Splunk), dashboards, and metrics.
• Previous experience within the financial services or brokerage industry.