Sr .Net Developer

job summary:

The Sr .Net Developer is responsible for analyzing, supporting, and enhancing the core

business processes by leveraging technology to improve operational efficiency and effectiveness. This

role supports and maintains information technology systems critical to the primary functions,

ensuring reliability and continuous improvement. The position works closely with IT Operations

Applications staff, Transit Operations teams, and corporate stakeholders to deliver system

enhancements, resolve issues, and provide ongoing support for Operations Systems applications and

services.

location: St. Louis, Missouri

job type: Permanent

salary: $97,000 - 129,000 per year

work hours: 9am to 5pm

education: Bachelors



responsibilities:

Meets with decision makers, system owners, and end users to define business and technical

requirements.

- Works to identify and resolve system and application issues while establishing system scope,

objectives, and procedures that address complex problems using the existing infrastructure and

desired outcomes.

- Recommends application and process improvements that strengthen business operations and

increase overall efficiency.

- Contributes to the development of strategies that enhance or further leverage existing

applications.

- Partners with leaders to prepare reports, recommendations, and solution alternatives that address

both current and potential problem areas in assigned applications.

- Participates in the planning, design, development, and deployment of new packaged applications,

custom-built software, and enhancements to existing systems.

- Supports the development of cost/benefit analyses for proposed systems to assist management

in evaluating feasibility and prioritization.

- Ensures all computer systems remain compatible, interoperable, and aligned with organizational

standards.

- Creates system models, specifications, diagrams, and charts to support communication,

documentation, and project execution.

- Prepares detailed program specifications that follow application development methodology.

- Maintain a strong understanding of IT development standards and ensures all project work aligns

with these guidelines.

- Provides training and orientation to end users when implementing new or updated systems.

- Researches software and hardware solutions to support purchasing decisions and technology

recommendations.

- Serves as a Senior Developer resource by providing guidance, support, and mentorship to other

IT team members.

qualifications:

Experience designing, developing, enhancing, and maintaining information technology systems,

including both packaged (COTS) applications and custom-developed solutions.

- Demonstrated ability to identify, analyze, and resolve issues within complex applications and

technical environments.

- Ability to analyze and interpret business needs, translate requirements into technical solutions,

and recommend effective, scalable technology approaches.

- Strong analytical and problem-solving skills, with the ability to evaluate and improve business

processes through technology.

- Experience developing applications using Microsoft Visual Studio and the .NET ecosystem,

including C#, ASP.NET, and ASP.NET MVC.

- Experience developing and supporting web-based solutions, including Progressive Web

Applications (PWA) and Service Workers.

- Experience designing and implementing web services and APIs, including SOAP, WCF, and

related technologies.

- Familiarity with Service-Oriented Architecture (SOA) concepts and implementation.

- Experience working with XML, LINQ, and related data exchange and transformation technologies.

- Experience working with Oracle relational databases, including PL/SQL.

- Experience with Microsoft SQL Server and T-SQL.

- Ability to write, optimize, and debug complex SQL queries and stored procedures.

- Experience evaluating data quality, integrity, and performance issues within large and complex

databases.

- Experience with .NET Entity Framework and modern .NET versions (e.g., .NET 5/6 or later) is

preferred.

- Familiarity with source control and application lifecycle tools such as GitHub.

- Understanding of IT standards, development methodologies, and industry best practices.

- Knowledge of modern computing hardware, software, and communication technologies.

- Strong interpersonal and communication skills, with the ability to collaborate with technical and

non-technical stakeholders.

- Ability to clearly communicate technical concepts in both written and verbal formats.

- Ability to work independently, manage multiple priorities, adapt to changing demands, and meet

established deadlines in a fast-paced environment.

- Experience with WordPress or other website content management systems is preferred.

- Familiarity with Microsoft Office Suite and Microsoft Visio.

- Experience with client/server applications and web-based application architectures.

- Experience with or exposure to transit or workforce management systems such as Trapeze

Software modules (FX, INFO-Web, and others) and GIRO HASTUS is a plus.

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.