Senior Full Stack Engineer - React, C# + AI
$70k - $149.88kPerficient
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#, .NET You have experience...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
$95.55k - $195.25k
...You’ll Do As a Deloitte Tax Full Stack Engineer, Senior you’ll design, develop, and... ...scalable solutions and integrate AI components into modern web... ...hands-on experience on C#, SQL Server, OOPS Concepts,... ...frameworks (e.g., Angular, React).Proven hands-on experience...SeniorC#Work at officeLocal areaVisa sponsorshipShift work2 days per week3 days per week- ...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#
- ...Senior Solutions Architect Location: Chicago... ..., IL (Onsite) Full Time Job Description... ...Back-end: .NET / C# APIs and services... ...Databricks and data engineering, including Spark,... ...pipeline development AI-enabled solutions,... ...modern full-stack applications, ensuring...SeniorC#Full time
- ...it for you? Seeking a Full Stack Developer with strong expertise... ...in .NET Core/ASP.NET Core, C#, SQL Server, Angular (v12+), Kafka... ..., real-time visualizations, AI-assisted development practices... ...-driven mindset within Agile engineering teams to join our team in...SeniorC#Full timeContract workWork at office
$235k - $310k
...confidence. This role is a pathway to senior engineering management and technical leadership—... ...in the following areas: McMaster.ai: Build and scale our domain-expert... ...: NET, .NET 10, ASP.NET Core, C#, Python Frontend: React, Typescript, JavaScript, CSS Database...SeniorC#Full timeRelocationRelocation package- ...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#
$150k - $170k
...experiences. The Role We are looking for a Senior Full Stack Engineer to help deliver the next generation of... ...with a modern front-end framework (React preferred) and comfort working in a... ...We may use artificial intelligence (AI) tools to support parts of the hiring process...SeniorTemporary workWork at officeImmediate startFlexible hours$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$142k - $150k
...architecture • Angular and .NET/C# API architecture •... ...reference implementations, and full-stack architecture patterns • Lead... ...solution design • Integrate AI-enabled solutions using RAG, LLM... ...functional collaboration • Mentoring engineering teams • Clear communication...SeniorC#- ...and API-first design Establish strong engineering quality: unit/integration testing , code... ...., "copilot instructions") to standardize AI-assisted workflows across teams... ...engineering experience with strong depth in C# and .NET / ASP.NET Core ~3+ years building...SeniorC#
$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$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$140k - $200k
...office. These include frontend and backend engineers, AI research scientists, and others from... ...App SDK, WinUI (or related UI frameworks), C#, XAML, and — when needed — C++. Define... ...the Windows platform. Take ownership of full lifecycle of features: conception →...SeniorC#Remote jobFull timeWork at office$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$140k - $180k
...rapidly transform the way their clients do business. As a Senior AI Engineer, you will understand how AI is positioned to meet business... ...Professional software engineering experience in C#.net Full software development life cycle, including coding standards...SeniorC#Full time- ...Overview: Job Title : Senior React Developer Location : Chicago, Il remote Long... ...required. You'll work closely with our engineering team and business teams supporting Hyatt... ...Science or 5 years' relative work experience. Skills: React,SharePoint,.NET,C#SeniorC#Work experience placementRemote work
$120k - $140k
...Senior Software Developer We are seeking the ideal... ...effectively leverage AI-assisted and agentic... ...productivity while maintaining full responsibility for... ...in Computer Science, Engineering, or a related field,... ...applications using C#,.NET, and React Proficiency with Git...SeniorC#Full timeTemporary workWork at officeRemote workFlexible hours$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- ...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...
- ...Tuesday and Thursday. Job Summary The Senior Software Developer supports the Product... ...to Microsoft .NET development using C#, or JAVA or other major languages Exposure... ...Hands-on experience building and deploying AI/ML features in production systems ~ Familiarity...SeniorC#Full timeTemporary workWork at office
$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- 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$130k - $195k
...act on it with confidence. Our AI-powered, cloud platform,... ...guidelines Embed AI security into engineering deliveries Provide product... ...ABOUT THE ROLE As a Senior AI Security Engineer, you will... ...oriented programming language (e.g., C#, Python, Java) ~ Relevant...SeniorC#£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$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$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- ...Framework, .NET 10, and React • Define and enforce... ...across backend and frontend stacks • Drive adoption of... ...practices and AI-assisted tools such as... ...development • Proficiency in C#, REST APIs, Web... ...degree in Computer Science, Engineering, or a related field.C#
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