Senior Full Stack Engineer - React, C# + AI
$70k - $149.88kPerficient, Inc.
We currently have a career opportunity for a Senior Full Stack React Engineer to join our remote team located anywhere across the United States.As a Senior Full Stack Engineer, you will participate in all aspects of the software development lifecycle which includes estimating, technical design, implementation, documentation, testing, deployment and support of application developed for our clients. As a member working in a team environment you will take direction from solution architects and Leads on development activities.Perficient is always looking for the best and brightest talent and we need you! We’re a quickly-growing, global digital consulting leader, and we’re transforming the world’s largest enterprises and biggest brands. You’ll work with the latest technologies, expand your skills, and become a part of our global community of talented, diverse, and knowledgeable colleagues.Perficient is the global AI and technology consulting firm disrupting the traditional consulting model. Powered by our 7,000+ advisors, engineers, and designers, Perficient implements AI-first solutions that break conventions and deliver outcomes that matter. Proudly serving clients that represent the world’s most innovative brands, and in collaboration with our powerful technology partner ecosystem, we bring deep industry expertise and data-driven design to redefine how businesses run and succeed. Perficient is different. For real. Learn more at perficient.com.Experience with Agile/Scrum methodology.Self-starter who can work independently.6+ years of software engineering experience with full-stack application development.Strong hands-on expertise building enterprise applications using React.Experience developing backend services and APIs using C#/.NETExperience working with or supporting applications built using Hack.Strong understanding of modern web application architecture, REST APIs, microservices, and distributed systems.Demonstrated experience implementing AI-enabled solutions, including generative AI, LLM integrations, AI-assisted workflows, or related technologies.Experience with modern development practices including Git, CI/CD pipelines, automated testing, and DevOps methodologies.Strong debugging, problem solving and investigative skills. Ability to assimilate disparate information (log files, error messages etc.) and pursue leads to find root cause problems.Bachelor’s Degree in MIS, Computer Science, Math, Engineering or comparable major.Strong consulting and communication skills. Ability to work effectively with various organizations in pursuit of problem solutions.Demonstrated ability to leverage AI tools to enhance productivity, streamline workflows, and support data-informed task execution. Familiarity with AI-enhanced platforms is a plus. A solid understanding of AI capabilities and limitations including ethical considerations is expected .About the teamOur Product Development team helps businesses transform legacy systems and build future-ready applications. We deliver end-to-end solutions—combining cloud migration, custom application development, multi-cloud strategies, and modern UI and API integration. With expertise in DevSecOps, modern frameworks, and enterprise platforms, our team of engineers, architects, and project leaders partner with leading brands to drive innovation, accelerate delivery, and create lasting business impact. We also integrate AI-driven capabilities—such as intelligent automation, predictive analytics, and generative development tools—to enhance scalability, performance, and user experience. Perficient, Inc. proudly provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a protected veteran in accordance with applicable federal, state and local laws. Perficient, Inc. complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Perficient, Inc. expressly prohibits any form of unlawful employee harassment based on race, color, religion, gender, sexual orientation, national origin, age, genetic information, disability, or covered veterans. Improper interference with the ability of Perficient, Inc. employees to perform their expected job duties is absolutely not tolerated.Disability Accommodations: Perficient is committed to providing a barrier-free employment process with reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or accommodation due to a disability, please contact us.Applications will be accepted until the position is filled or the posting is removed.The salary range for this position takes into consideration a variety of factors, including but not limited to skill sets, level of experience, applicable office location, training, licensure and certifications, and other business and organizational needs. The new hire salary range displays the minimum and maximum salary targets for this position across all US locations, and the range has not been adjusted for any specific state differentials. It is not typical for a candidate to be hired at or near the top of the range for their role, and compensation decisions are dependent on the unique facts and circumstances regarding each candidate. A reasonable estimate of the current salary range for this position is $70,000.00 to $149,880.00. Please note that the salary range posted reflects the base salary only and does not include benefits or any potential variable compensation programs. Information regarding the benefits available for this position are in our benefits overview.Disclaimer: The above statements are not intended to be a complete statement of job content, rather to act as a guide to the essential functions performed by the employee assigned to this classification. Management retains the discretion to add or change the duties of the position at any time. #LI-GS1 #LI-FullStack #LI-AiFirstParticipate in technical planning & requirements gathering phases including Design, code, test, troubleshoot, and document engineering software applications.Design, develop, and maintain scalable full-stack applications with a focus on modern React-based user experiences.Develop and maintain backend services, APIs, and integrations using C# and other modern server-side technologiesBuild and integrate AI-enabled capabilities, including intelligent workflows, automation, LLM integrations, and AI-powered user experiences.Contribute to systems built on Hack and support enhancements within existing application ecosystems.Drive technical excellence through code reviews, and adherence to engineering best practices.Demonstrate the ability to adapt and work with team members of various experience level.Work directly with client stakeholders, effectively communicating technical concepts to both technical and non-technical audiences.Participate in Agile ceremonies and contribute to successful project delivery.Full timePosting Date: 2026-09-16
$120k - $130k
...Group is currently seeking a Senior Software Engineer, Full Stack Engineer based out of our... ...cutting-edge technologies like AI and cloud solutions, we’re... ...portal application using React, micro-frontend, micro-... ...React, Nodejs and Python, C#, .NETYou have experience with...SeniorC#Temporary workWork at officeImmediate start2 days per week3 days per week- ...is looking for a skilled Sr. Full Stack Engineer to drive the architecture, development... ...such as .NET, Python, React or Angular, SQL databases,... ...on Microsoft Azure using .NET/C#, ASP.NET, Python, and modern... ...as Snowflake. Exposure to AI/ML frameworks or cloud-based...SeniorC#Work at officeLocal areaImmediate startShift work
- ...Senior Software Engineer (.NET, Angular, Azure) Location: Chicago, IL Duration... ...will have strong expertise in full-stack development, cloud... ...and willingness to leverage AI-assisted development tools to... ...experience. ~ Strong expertise in C#,.NET Core, ASP.NET Core,...SeniorC#
$135k - $155k
...future.Department OverviewJoin our dynamic, agile R&D team as an Senior Full-Stack Engineer, where you will serve as a key architectural driver for our... ...for video extraction to defining service contracts for AI-generated metadata. While primarily an Individual Contributor...SeniorFull timeContract workWork at office2 days per week- ...technology space is seeking a Senior Software Engineer to join its product... ...organization. This full-time position is based... ...innovative AI-driven functionality into... ...experience with Next.js, React, or similar frameworks... ...Design and develop full stack web applications • Build...SeniorFull time
- ...Responsibilities: Develop and maintain Web APIs using .NET 6 and C# Design and implement serverless architecture components using AWS... ...Implement business logic for processing input data and executing the AI model Develop APIs to handle file uploads, data processing, and...SeniorC#
$100k - $130k
...platform, MISUMI Americas empowers engineers and procurement teams to... ...re creating a faster, smarter, AI-enabled way to go from design... ..., well-tested code across the full stack. Build highly available, business... ....js, JavaScript/TypeScript, React, and Next.js ~ Hands-on...Senior- Senior Solutions Architect Location: Chicago, IL (Onsite) Full Time Job Description Must Have Technical... ...Back-end: .NET / C# APIs and services... ...and data engineering, including Spark,... ...pipeline development AI-enabled solutions,... ...implement modern full-stack applications, ensuring...SeniorC#Full time
$145k - $165k
...Position Summary: As a Senior Software Engineer on the Application... ...Develop and enhance full‑stack web applications across... ...as Next.js, Nuxt.js, React.js, Angular, .NET, Java... ...RESTful APIs using C#/.NET and Java, supporting... .... Apply AI-assisted tools across...SeniorC#Work at officeFlexible hours3 days per week$112.9k - $188.1k
...PTO) days annually for full-time employees (accrual... ...the development of our React front end, a variety of... ...problems and building full stack solutions that address... ...report to the Product Engineering Manager and can be... ...effectively apply agentic AI tooling across software...SeniorFull timeWork experience placementH1bLocal areaRemote workWorldwide$93.9k - $153.6k
...are seeking a Software Engineer to join our Data & AI Engineering team to... ...technologies such as React, .NET, Next.js, and Azure... ...maintain scalable full-stack applications using... ...Required for Experienced (Senior-Level) Candidates:... ...programming language (e.g., C#, TypeScript, Java,...SeniorC#Internship$61k - $101k
...or certification in software engineering concepts, along with 5+ years... ...require proficiency across the full Software Development Life Cycle... ...the effective use of approved AI-assisted software development... ...exceptional professionals for this Senior Lead Software Engineer role...SeniorFull time$100k - $120k
Senior.NET Developer Location: Tampa, FL/Chicago, IL (Onsite) Job Type: Full-Time Salary: $100,000-$120,000/year Role Summary: We are seeking... ...with strong experience in C#,.NET Core, ASP.NET Core, SQL Server... ...Copilot, Devin, or other AI-assisted development tools is a...SeniorC#Full time$142k - $150k
...architecture • Angular and .NET/C# API architecture • Databricks,... ...implementations, and full-stack architecture patterns • Lead Databricks... ...solution design • Integrate AI-enabled solutions using RAG, LLM... ...collaboration • Mentoring engineering teams • Clear communication of...SeniorC#$80k - $120k
...Senior Software Engineer Senior Software Engineers perform web application development... ...expected to be flexible for full-stack development, and some may... ...like C/C++, Java, or C# with advanced skills in at least... ...University of Chicago uses AI-assisted tools to streamline...SeniorC#Contract workWork experience placementWork at officeFlexible hours- ...integrations, and API-first design Establish strong engineering quality: unit/integration testing , code... ...., "copilot instructions") to standardize AI-assisted workflows across teams Contribute... ...experience with strong depth in C# and .NET / ASP.NET Core 3+ years building...SeniorC#
$113.52k - $226.56k
...Remote, USA Full time R260000006374 R1 is the leading... ...sophisticated analytics, AI, intelligent automation, and... ...orchestration.?? As our Senior Manager of Software Engineering, you will lead a high-impact... ...backend experience in C#/.NET or Java, with exposure...SeniorC#Full timeLocal areaRemote work- ...Our company is on the lookout for a motivated Junior Full Stack Engineer to join our dynamic and growing team. We are seeking an individual with foundational experience using technologies like React, TypeScript, Python, and Flask. The successful candidate will be instrumental...
- ...technology organization in downtown Chicago is seeking a full-time Software Development Engineer in Test to support next-generation trading,... ...work with modern technologies including Python, C#, Playwright, Selenium, SQL, AI/ML tooling, and highly scalable real-time systems...SeniorC#Full timeFlexible hours
$127.9k - $195k
...employer. Overview The Senior Applications Developer... ...intelligent, AI-enhanced web and database... ...ecosystem, primarily using C#, JavaScript, and modern... ...both traditional software engineering and modern AI development... ...enterprise applications. A full understanding of common...SeniorC#Work at officeRemote work- Northern Trust Corp is seeking a Senior Full Stack Developer to join their Chicago team. The ideal candidate will have over 7 years of experience, strong skills in ReactJS and Java, and the ability to develop scalable cloud-native applications. This role involves designing...SeniorRemote jobFlexible hours
$99.6k - $169.2k
Northern Trust is seeking a Senior Full Stack Developer in Chicago with extensive experience in ReactJS and Java. The role involves developing scalable applications using microservices architecture and supporting various applications in the Banking domain. Ideal candidates...SeniorRemote jobFlexible hours£70k per year
Senior Full Stack Developer up to £70k Manchester, Hybrid Pearson Carter are working with a not-for... ..., development and maintenance of a C# .NET-based greenfield healthcare application... ...maintainable codebases. Strong proficiency in React - including hooks, state management (e.g...SeniorC#Work at officeLocal area- Overview: Job Title : Senior React Developer Location : Chicago, Il remote Long-Term Description... ...required. You'll work closely with our engineering team and business teams supporting Hyatt... ...relative work experience. Skills: React,SharePoint,.NET,C# r2 Technologies, Inc.SeniorC#Work experience placementRemote work
$150k - $172k
...requirements. Job Summary As a Senior Advanced Software Engineer at Light & Wonder, you will... ...and product teams; Leverage AI-assisted tools to improve... ...AbilitiesExpert in C++ and/or C#. Deep understanding of... ...SummaryLocation: Chicago, IL; USA-NV-Las Vegas-6601 BermudaType: Full timeSeniorC#Full timeWork at officeLocal area- ...organization, is looking to bring on a Senior Salesforce Engineering Consultant. This role sits... ...latest Salesforce Einstein/AI capabilities, meaningful... ...experience spanning the full software development lifecycle... ...languages such as Java or C#, plus front-end web development...SeniorC#Full timeLocal area
$160k - $180k
...Job Description Job Description Title: Full Stack Software Engineer – AI Applications (Python and React) Location: Chicago, IL - Hybrid Salary Range: $160000 – $180000 / Year + Bonus Benefits: Medical, Dental, Vision, 401(k), PTO, Hybrid Work Schedule...Local area$131k - $169k
Senior Security Engineer Seeking a development & cloud focused Senior Security Engineer to join... ...have passion for AppSec, Cloud and AI. They will be a skilled communicator... .../Frameworks: Microsoft.NET/C#, JavaScript (we use React and EmberJS frameworks and, Python)...SeniorC#Work at officeWork from homeFlexible hoursDay shift$120k - $140k
...insurance company. The Senior Software Developer... ...effectively leverage AI-assisted and agentic software... ...while maintaining full responsibility for... ...in Computer Science, Engineering, or a related field, or... ...developing applications using C#, .NET, and React Proficiency with...SeniorC#Full timeTemporary workWork at officeRemote workFlexible hours- About the RoleAs a Senior Software Engineer, you will play a... ...who embrace modern AI-assisted development... .../ .NET Core / C# - expert-level experience... ...SOLID principles.React - Experience... ...beyond the primary stack when the need arises... ...practices and the full software...SeniorC#Full time
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