Senior Full Stack .NET Developer

Join our dynamic team at StemXpert1 as a Senior Full Stack Developer specializing in .NET technologies. In this pivotal role, you will lead the development of innovative web applications, collaborating closely with cross-functional teams to deliver high-quality software solutions. Your expertise in both front-end and back-end technologies will be essential in driving our projects to success.

Join us as a Senior Full Stack Developer I to play a pivotal role in a high-profile, AI-driven financial compliance program for the Department of War. This essential initiative is focused on modernizing compliance and audit workflows for over 180 systems. You will be responsible for architecting and securing the deployment infrastructure that supports AI-assisted compliance validation, semantic search, and enterprise governance within restricted Department of War environments.This position offers a hybrid work model, with a preference for candidates based in the D.C. metro area who can participate in in-person meetings as necessary.At MetroStar, we believe that exceptional technology services are built from the ground up by amazing individuals. For over two decades, we have cultivated a legacy of assembling the brightest teams. Our commitment to our people is unwavering, as we are driven by a mission that emphasizes a passion for our people and a dedication to our customers.If you see yourself contributing to our mission and helping us achieve our goals, we encourage you to explore the details of this opportunity below!

AnaVation LLC is seeking a Senior Full Stack Developer to join its technical team in Chantilly, VA. This hybrid position focuses on building and enhancing a Digital Evidence Management System, with most work performed remotely and one day each week on-site at either the Chantilly office or a client location in Woodbridge, VA. Candidates must be able to complete a high-risk public trust background investigation. Role overview This role centers on developing scalable, data-driven applications that meet important business and mission requirements. The Senior Full Stack Developer will work closely with cross-functional teams to design, build, and maintain data pipelines, APIs, and analytical tools. The technology stack includes Java with Spring, JavaScript with React, and relational databases. Main responsibilities Design and build software systems that improve the collection, management, and analysis of digital evidence. Develop tools to automate and integrate data processes, aiming to enhance system performance. Document development work to support ongoing operations and future scaling. Update and improve existing tools as project goals and requirements evolve. Create custom solutions to address complex investigative workflows. Offer technical guidance for ongoing forensic and investigative projects. Requirements Experience with Java/Spring, JavaScript/React, and relational databases. Ability to collaborate with cross-functional teams. Eligible to complete a high-risk public trust background investigation. Willingness to work on-site in Chantilly, VA or Woodbridge, VA one day per week.

Medical Informatics Engineering (MIE) is looking for a Senior Full-Stack Developer to play a pivotal role in enhancing our occupational health platform. This innovative system seamlessly connects employers, healthcare providers, and employees through a robust and secure API layer. In this position, you will engage in full-stack development, crafting scalable services and standardized APIs that are essential to BlueHive’s API-first architecture, aiming to revolutionize occupational healthcare akin to the impact of DoorDash Drive and Stripe. Your responsibilities will include designing and implementing OpenAPI-defined endpoints using Fastify, utilizing tools like Stainless to generate software development kits (SDKs) in languages such as TypeScript and Python, while ensuring smooth integrations with various HRIS, ATS, and EHR platforms. In addition to backend development, you will enhance the user experience on the web through technologies such as TypeScript, React 19, TailwindCSS, and MongoDB. Collaborating closely with product, design, and DevOps teams, you will deliver clean, reliable, and test-driven code. We are particularly interested in developers who embrace AI-assisted development. Ideal candidates will be skilled in utilizing tools like GitHub Copilot, Cursor, or OpenAI Codex, possess a solid understanding of prompt design, and be adept at collaborating effectively with AI coding agents to boost productivity without sacrificing quality. If you are an adaptable engineer who thrives in autonomous environments, values exemplary API design, and seeks to standardize occupational health service connections across the industry, we invite you to apply.

Join Northstrat as a Senior Full Stack Developer and play a pivotal role in developing innovative Mission Management web applications for the Intelligence Community. We are looking for a proactive and experienced individual who excels in both back-end and front-end technologies, possessing a deep understanding of various programming languages and frameworks. As a self-starter, you will be responsible for transforming abstract tasks into high-quality software solutions.Your work will involve leveraging cloud-based microservices architecture within the Williamsburg and Epsilon programs. Key responsibilities include:Developing robust back-end services using Java, JEE, and REST web services.Collaborating with cross-functional teams to define, design, and implement new features.Creating detailed specifications and writing efficient software code.Engaging with system engineers and subject matter experts to gather functional requirements.Designing and executing unit and integration tests while facilitating formal testing processes.Contributing to user training manuals and documentation.Staying updated on technical changes and application features.Applying Agile methodologies to enhance development processes.Participating in code reviews, testing, and debugging to ensure software quality.Influencing architectural decisions and contributing to the evolution of our technology stack.

WHO WE AREAt Davis Technology Management, we are a thriving technology firm specializing in IT staffing, technology consulting, and managed IT services. Our mission revolves around creating innovative technical and staffing solutions that not only empower businesses but also stimulate growth. We pride ourselves on our strong foundation rooted in core values, driven by a team dedicated to connecting cutting-edge IT solutions with businesses navigating the complexities of the digital landscape.Our commitment to exceeding expectations allows us to create RAVING FANS among our clients and within our team.About UsDavis Technology Management collaborates with organizations across the United States to design, build, and support advanced technology solutions. Our offerings encompass technology consulting, IT staffing, and managed services, assisting clients at pivotal stages of their development.Our straightforward mission: to generate RAVING FANS through exceptional execution, accountability, and results.We seek engineers who take ownership, tackle real-world challenges, and uplift their teams.The RoleWe are in search of a Senior Full Stack Developer with extensive experience in building real-world applications, who understands the intricacies of designing, delivering, and maintaining systems that are essential for users.This role is not confined to narrow responsibilities.You will be entrusted with significant technical responsibilities, including designing solutions, building them, enhancing them, and providing support in live environments.Your work will focus on modern applications operating in cloud-native environments, where performance, scalability, and reliability are paramount.This position is perfect for engineers who:• Take pride in their contributions• Have experience in production environments• Comprehend the entire application lifecycle• Are dependable team membersYour Responsibilities• Develop and enhance applications utilized in real business scenarios• Engage with both front-end and back-end components• Design and support applications hosted in AWS environments• Take ownership of problems until resolution, rather than merely implementing solutions• Enhance existing systems and assist in the design of new ones• Diagnose production issues and implement sustainable fixes

DistantJob is seeking a Senior Enterprise Full Stack Developer for a fully remote role. This position centers on designing and building scalable web applications that support client needs across various industries. Role overview As a Senior Enterprise Full Stack Developer, the focus is on both front-end and back-end development. Projects often involve collaborating with colleagues from different backgrounds and specialties. The goal is to deliver reliable, maintainable solutions that help clients achieve their objectives. What you will do Design and develop scalable web applications for enterprise clients Work closely with a distributed team of professionals Contribute to solving technical challenges and improving project outcomes Location This is a fully remote position with collaboration across time zones and regions.

ERG seeks a Senior Full Stack Developer to join its digital solutions team in Concord, MA. This group delivers technology solutions for a variety of clients and projects, requiring both technical depth and creative thinking. The environment values adaptability and collaboration as project needs evolve. What you will do Build and support digital solutions for federal, state, and commercial clients Tackle technical challenges using both independent problem-solving and teamwork Work in a setting where project priorities may change Requirements Professional experience as a full stack developer Strong interest in technology and software development Ability to solve complex problems both independently and with a team Comfort with shifting priorities Application instructions To apply, send a resume and cover letter, along with links to your LinkedIn profile, code repository, and any relevant portfolio or code samples. Location This role is based in Concord, MA.

Join Nagarro as a Senior .NET Full Stack Developer and contribute to innovative projects that leverage cutting-edge technologies. In this fully remote role, you will collaborate with a diverse team of engineers, tackling complex challenges and delivering high-quality software solutions.

OverviewWe are seeking a highly skilled and motivated Senior Full Stack Developer to join our Technical Services team at cctalent. As a vital contributor, you will report directly to the Technical Services Director (TSD) and play a crucial role in managing both backend and frontend systems, websites, and APIs. The ideal candidate will demonstrate exceptional technical prowess as well as strong business English communication skills, with a focus on delivering results and facilitating project success.About Uscctalent is a premier talent recruitment platform dedicated to serving the North American market. We pride ourselves on building and maintaining our own innovative platform, which bridges the gap between our team and our clients. Our commitment to delivering high-quality, cutting-edge solutions sets us apart in the industry.Key ResponsibilitiesDesign, develop, and enhance web applications using Classic ASP, JavaScript/jQuery, MS SQL Server, .NET 6 and above, Open API, and AWS.Collaborate with team members to ensure the timely and high-quality delivery of all projects.Adhere to best practices in coding, testing, and deployment protocols.Offer technical support and troubleshooting for existing applications.Maintain effective communication with team members and stakeholders, including executives.

Join our dynamic team as a Senior Full Stack Developer!We are looking for an experienced developer with a passion for coding and problem-solving to help us build robust applications. This is a contract-to-hire position located in Foster City, CA, with an emphasis on creating innovative solutions.

Join Our Team as a Senior Full Stack DeveloperLocation: Austin, TXSchedule: Full-time | Hybrid (2-3 days in office)Work Authorization Notice: Currently, we are unable to provide immigration sponsorship for this role. Candidates must have current, unrestricted authorization to work in the country where the position is based.About TogetherworkTogetherwork is a dynamic SaaS company with a recurring revenue model of $250 million, offering over 33 software applications across 12 diverse vertical markets. Our mission is to empower communities, organizations, and businesses by providing purpose-driven software tailored to their operational needs.Based in the vibrant South Congress area of Austin, TX, Togetherwork is on a rapid growth trajectory. We pride ourselves on being customer-centric, execution-focused, and committed to operational excellence. Our culture emphasizes accountability, collaboration, and continuous improvement, with leaders expected to foster clarity and momentum in complex projects.Role OverviewAs a Senior Full Stack Developer at Togetherwork, you will be responsible for designing, building, and maintaining scalable SaaS applications utilizing a modern technology stack. You will engage with both front-end and back-end systems to deliver secure, reliable, and high-quality features that create genuine value for our customers.Your collaboration with Engineering, Product, and QA teams will be crucial in translating requirements into well-structured solutions. With a strong emphasis on clean code, best practices, and ongoing enhancement, you will ensure our platforms remain performant, maintainable, and ready for scale.Key ResponsibilitiesDesign, develop, and maintain features for our SaaS applications.Build and support both front-end and back-end components using modern frameworks.Write clean, reusable, and well-documented code to facilitate future development.

Axle Informatics is seeking an experienced Senior Full Stack Developer to join our dynamic team. In this role, you will collaborate with various federal clients, including the National Center for Advancing Translational Sciences (NCATS) at the National Institutes of Health (NIH). You will be part of a talented group of full-stack developers, cloud engineers, and subject matter experts, working together to design and develop innovative solutions such as NCATS Notebooks.

Join our dynamic team as a Senior Full Stack Engineer at Northwestern Mutual. In this role, you will leverage your extensive expertise in full stack development to create innovative solutions that enhance our customer experiences. Collaborating with cross-functional teams, you will design, build, and maintain robust applications using modern technologies. Your contributions will directly impact our mission to help clients achieve financial security.

About BLENThe BLEN team is dedicated to harnessing the power of technology to address real-world challenges. With over 20 years of experience, we have been at the forefront of helping government entities and businesses evolve their digital landscape. We infuse innovative thinking into each project, whether it's revitalizing outdated systems, developing cloud-native applications, or exploring emerging technologies. Our emphasis on building lasting partnerships enables us to tackle complex issues by prioritizing human-centered design in all our solutions.About the RoleAs a Senior Software Developer at BLEN, you will be instrumental in crafting robust and efficient digital solutions. You will leverage your extensive expertise in both front-end and back-end technologies, along with your leadership capabilities, to drive projects from initial concept through to successful implementation. Our engineering team is responsible for making critical technical decisions, ensuring effective communication with all stakeholders, and utilizing state-of-the-art technologies to deliver high-quality solutions. You will play a key role in ensuring that our products not only meet client specifications but also align with overarching business objectives while maintaining exceptional standards of performance and scalability.

Join us in developing an innovative automation framework driven by large language models to address intricate, real-world workflows. We are in search of a Senior Full Stack Engineer who possesses a solid grounding in software fundamentals and extensive full-stack experience with JavaScript. Your role will involve designing and implementing agent observability tools and managing cloud infrastructure from start to finish. If you are passionate about delivering complete products swiftly and enjoy tackling use cases in applied AI, we invite you to connect with us!About Our TeamThe AI Technology Team, part of our Product Technology Group, acts as BOLD’s internal incubator for applied AI, utilizing cutting-edge large-language models to solve our most challenging problems.Your ResponsibilitiesDevelop agent observability tools from the ground up.Implement real-time monitoring and observability systems for automated workflows.Design scalable and distributed cloud infrastructure.Integrate with existing backend services.Establish production monitoring and alert systems following best practices.Optimize performance and resource usage at scale.Create robust error handling and advanced agent recovery mechanisms.Deliver quickly while ensuring architectural soundness.Make informed technical decisions that enhance the overall system.

About the Role PlanetArt is looking for a Senior Full Stack Engineer in Calabasas, California. This position works across both front-end and back-end systems to create applications that are reliable and easy to use. The role focuses on building scalable features and improving the overall performance of our platform.

Metrostar Systems is looking for a Senior Full Stack .NET Developer in Washington, DC. This position centers on designing and building software solutions that support client projects and business goals. Role overview As a Senior Full Stack .NET Developer, you will collaborate with colleagues from different disciplines to deliver applications that align with client requirements. The work involves both front-end and back-end development, using .NET technologies as a foundation. What you will do Design, develop, and implement software using .NET frameworks Work with cross-functional teams throughout the project lifecycle Apply modern development practices to create scalable solutions Contribute to cloud-based application development as needed What we value Metrostar emphasizes creativity and technical skill. The team encourages new ideas and high standards in software development. Experience with .NET, cloud services, and up-to-date engineering methods is important for success in this role.

General InformationJob Code: CIT-DV-03Location: Remote, Ripple Effect Headquarters – Rockville, MD Employee Type: Non-Exempt, Part-Time/On-Call, Ad-hocTelework: Full-TimeClearance: NonePay Range: $47.34 - $49.81 (how we pay and promote) Position OverviewAre you driven to create applications that enhance productivity and efficiency?Ripple Effect is in search of a Senior Full-Stack Web Developer with over 6 years of experience in developing, maintaining, and optimizing secure, user-friendly websites and applications. This pivotal role involves collaboration with various teams to manage the development of top-notch websites, working closely with designers, and applying best practices to guarantee exceptional website performance and user satisfaction. Additionally, you will mentor junior developers and play a key role in the planning and execution of web development initiatives.If you are excited about this opportunity, we invite you to explore your potential at Ripple Effect! We provide a diverse and stimulating work environment, along with various incentives and flexible work options tailored to suit your lifestyle.Primary ResponsibilitiesDevelop well-structured, testable, and efficient code by adhering to best software development practices.Utilize a range of internet technologies, techniques, scripting languages, and databases (e.g., HTML, CSS, PHP, MySQL) to create web elements such as user interface features, animations, web applications, special effects, and e-business functionalities.Integrate data from multiple back-end services and databases.Diagnose and resolve various issues, including script and plugin errors, media integration challenges, and website usability concerns.Oversee the maintenance, expansion, and scaling of websites, including Ripple Effect's.Enhance websites in line with industry best practices for both functionality and search engine optimization.Keep abreast of emerging technologies and industry trends, applying them to operations and activities.Generate and maintain comprehensive software documentation.Perform other duties as assigned.