Jobs in the United States

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Added 8 mins ago
Senior QA Automation / SDET
Marvik
Remote, United States
Infrastructure & Pipeline Integration: Collaborate with platform/DevOps teams to run automated test suites within Kubernetes and Terraform containerized environments.
Added 15 mins ago
Senior Full Stack Engineer - NBA
Humana
Columbia, SC
The Senior Full Stack Engineer builds and evolves the NBA platform's Action Library and Command Center experience, the operational system used by business and program teams to create,…
Added 15 mins ago
Sr. Application Security Engineer
American Express Global Business Travel
Columbia, SC
We are seeking an experienced Senior Application Security Engineer to join our team in the corporate travel industry. This remote position requires a unique blend of application development…
Added 15 mins ago
PN
Software Engineer 1
Pacific Northwest National Laboratory
Columbia, SC
- $83,100 USD / year
This Software Engineer 1 role will support the development of the EMSL Science Central technology platform with a focus on backend services, data infrastructure, and platform reliability.…
Added 24 mins ago
Sr. Application Security Engineer
American Express Global Business Travel
Denver, CO
We are seeking an experienced Senior Application Security Engineer to join our team in the corporate travel industry. This remote position requires a unique blend of application development…
Added 24 mins ago
Senior Full Stack Engineer - NBA
Humana
Denver, CO
The Senior Full Stack Engineer builds and evolves the NBA platform's Action Library and Command Center experience, the operational system used by business and program teams to create,…
Added 25 mins ago
Sr Databricks Data Engineer
Deloitte
Denver, CO
Deloitte's Core AI & Data practice helps organizations modernize data platforms, strengthen enterprise data foundations, and scale analytics and artificial intelligence capabilities across…
Added 1 hour ago
Agentic Delivery Software Engineer III
Deloitte
Detroit, MI · Grand Rapids, MI · Midland, MI · Lansing, MI
…commerce, sales, and service. We are a team of strategists, data scientists, operators, creatives, designers, engineers, and architects. Our team balances business strategy, technology,…
Added 2 hours ago
Manager, Cloud Security Engineering
Jobgether
Remote, United States
Deep hands-on expertise securing multi-cloud environments across AWS, Microsoft Azure, and Google Cloud Platform (GCP).
Added 3 hours ago
Senior Full Stack Engineer - NBA
Humana
Montpelier, VT
The Senior Full Stack Engineer builds and evolves the NBA platform's Action Library and Command Center experience, the operational system used by business and program teams to create,…
Added 5 hours ago
Power Automation Developer
GD Information Technology, Inc.
Remote, United States
Analytics, Data Analytics, Datasets, Data ToolsCertifications:
Added 5 hours ago
AWS Solution Architect
GD Information Technology, Inc.
United States
Support engineering of Platform Services including Converged/Cloud Infrastructure, Data Protection, Monitoring, and Security Infrastructure
Added 5 hours ago
Platform Engineer
Jobgether
Remote, United States
We are looking for an experienced Platform Engineer to help build, deploy, and operate cloud infrastructure supporting enterprise-grade real-time data platforms. In this role, you will…
Added 6 hours ago
Senior DevOps Engineer
Capgemini
Chicago, ND
Capgemini is seeking a DevOps & Kubernetes Administrator to lead the reliability, scalability, performance, and operational excellence of enterprise container platforms and cloud…
Added 7 hours ago
Artificial Intelligence (AI) Solutions Engineer/ Developer
Robert Half
Phoenix, AZ
Exposure to platform engineering, infrastructure automation, or DevOps practices.
Added 8 hours ago
Senior Staff Software Engineer - Agentic IT Operations
NVIDIA USA
CA
Own the architecture of the integration and automation platform spanning ServiceNow, ERP and procurement systems, and endpoint-management platforms, including infrastructure, data…
Added 8 hours ago
Site Reliability Engineer
West Penn Allegheny Health System
Working at Home, PA · Working at Home, MD · Working at Home, WA · Working at Home, LA · Working at Home, KY · Working at Home, KS · Working at Home, IN · Working at Home, IL · Working at Home, IA · Working at Home, FL · Working at Home, CO · Working at Home, CA · Working at Home, DE · Working at Home, AR · Working at Home, AZ · Working at Home, AL · Working at Home, AK · Working at Home, NV · Working at Home, VT · Working at Home, ID · Working at Home, OK · Working at Home, HI · Working at Home, MS · Working at Home, UT · Working at Home, NH · Working at Home, NM · Working at Home, WY · Working at Home, ND · Working at Home, RI · Working at Home, MT · Working at Home, TX · Working at Home, OH · Working at Home, NJ · Working at Home, OR · Working at Home, MO · Working at Home, VA · Working at Home, NE · Working at Home, MN · Working at Home, MI · Working at Home, WI · Working at Home, NY · Working at Home, ME
…healthcare delivery technology architecture, infrastructure and platform operations, and cybersecurity. Fosters a culture of automation, continuous improvement, collaboration, and patient…
Added 10 hours ago
Senior Software Engineer (Agentic SW Development and Infrastructure)
Lockheed Martin
Manassas, VA · Manassas
…or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life…
Added 10 hours ago
Sr Databricks Data Engineer
Deloitte
Boston, MA
Deloitte's Core AI & Data practice helps organizations modernize data platforms, strengthen enterprise data foundations, and scale analytics and artificial intelligence capabilities across…
Added 10 hours ago
AI Engineer II
Deloitte
Boston, MA
…significant impact on our clients' success. We are hiring an AI Engineer to build and operate the data, features, and GenAI foundations that power Human Capital AI products and analytics.…
Added 10 hours ago
Lead Integration Engineer II
Deloitte
Boston, MA
US-E - Consulting - Lead Integration Engineer II - AI & Engineering/EaaS
Added 10 hours ago
AI Engineer III
Deloitte
Boston, MA
…significant impact on our clients' success. We are hiring an AI Engineer to build and operate the data, features, and GenAI foundations that power Human Capital AI products and analytics.…
Added 11 hours ago
Platform Engineer, Senior
Booz Allen Hamilton_United States
Washington, DC
…Kubernetes foundations that let simulation, visualization, and data processing workloads run consistently whether they sit in the cloud or at the range. You'll work closely with DevOps…
Added 11 hours ago
Data Platform Engineer, Senior
Booz Allen Hamilton_United States
Alexandria, VA · St. Louis, MO
Data Platform Engineer, SeniorThe Opportunity:
Added 11 hours ago
AIOps Engineer
Booz Allen Hamilton_United States
Alexandria, VA · St. Louis, MO
Imagine using artificial intelligence (AI) to improve critical IT operations for national security requirements. As a DevOps engineer, you know how to create efficient and effective…

Kforce

Senior Software Engineer - Backend

St. Louis, MO, United States

$70 to $90 USD / hour

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Job details

Pay: $70 to $90 USD / hour
Experience: 7+ years of professional software development experience
Posting language: English
Posted: Oct 29, 2026

Original job description

Kforce's client is looking to add a Senior Software Engineer to their team. This role is a 6-month contract to hire in Saint Louis, MO.

Summary:

Are you a back-end engineer who loves solving complex technical challenges at scale? Our client is seeking a Senior Software Engineer to design, build, and optimize the core services that power a high-volume platform. This role is focused entirely on back-end development using the Microsoft technology stack, including C#, .NET, SQL Server, and Azure.

This is an opportunity to work on highly performant, rules-driven systems where scalability, reliability, and code quality are critical. You'll partner with Product, QA, and Engineering teams to develop solutions that support complex business logic while helping drive architectural decisions and technical best practice.

What You'll Do:

Design, develop, and maintain back-end services using C#, .NET, ASP.NET Core, and Azure
Build and optimize high-performance APIs and services focused on scalability and reliability
Profile and tune application performance, including latency, memory usage, database efficiency, and throughput
Design cloud-native solutions leveraging Azure services, messaging, caching, and automation tools
Translate complex business requirements into clean, maintainable code and scalable architectures
Participate in code reviews, technical design discussions, and architecture decisions
Troubleshoot and resolve complex production issues in large-scale systems
Mentor other engineers and contribute to raising technical standards across the team
Leverage AI-assisted development tools to improve efficiency, quality, and delivery
Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience)
7+ years of professional software development experience
Experience optimizing application performance, identifying bottlenecks, and improving scalability
Advanced SQL Server experience, including query optimization and performance tuning
Experience developing and supporting cloud-based applications in Microsoft Azure
Strong expertise with C#, .NET, ASP.NET Core, and RESTful API development
Deep understanding of software design patterns, object-oriented design, and domain modeling
Strong understanding of automated testing, CI/CD pipelines, and DevOps practices

Preferred Qualifications:

Experience building high-throughput, low-latency applications
Experience with Infrastructure as Code and containerized deployments
Knowledge of distributed systems, caching strategies, messaging platforms, and event-driven architectures
Exposure to AI-assisted software development tools
Background in financial services or other regulated industries

Technology Stack:

C#
.NET/ASP.NET Core
Entity Framework Core
SQL Server
Microsoft Azure
Azure DevOps
REST APIs
CI/CD Automation

The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future.

We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave.

Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless and until paid and may be modified in its discretion consistent with the law.

This job is not eligible for bonuses, incentives or commissions.

Kforce is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

By clicking “Apply Today” you agree to receive calls, AI-generated calls, text messages or emails from Kforce and its affiliates, and service providers. Note that if you choose to communicate with Kforce via text messaging the frequency may vary, and message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You will always have the right to cease communicating via text by using key words such as STOP.

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More about this job

Skills

Back-end development
C#
.NET
Microsoft SQL Server
Microsoft Azure
Microsoft ASP.NET
Troubleshoot
Computer science
Software development
RESTful API
Test automation
CI/CD
Infrastructure as code
Software development tools
DevOps
API development

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