1 to 25 of 45 Senior Applications Developer Jobs

technology implementation, integration, optimization and customization. We enable some of the most well-known companies, nonprofits and federal agencies in the United States to intelligently plan and develop their applications, modernize their infrastructure and manage their data. We are currently seeking an experienced, skilled, and passionate Senior Web Application Developer to support development projects at … solutions. Ideal candidates possess the technology skills, curiosity, and experience to drive web development through all parts of the application lifecycle. Role and Responsibilities: Maintain, modernize, and refactor web applications for improved scalability, performance, and maintainability. Develop clean, efficient, and modular code following best practices in React.js, Node.js, JavaScript, HTML, and CSS. Refactor and optimize legacy code, improving readability … reducing technical debt, and enhancing maintainability. Enhance data-driven applications, building dashboards, automated workflows, and visualizations. Optimize SQL queries and database performance while ensuring security and best practices (SQL Server and Oracle). Collaborate with stakeholders to define technical requirements and implement scalable, modern solutions. Work within Agile methodologies (Scrum, XP, Kanban) to deliver high-quality solutions efficiently. Conduct More ❯

SUMMARY Reporting to the R&D Programme Manager, the Lead Software Application Developer will guide the software development team in creating and maintaining scalable, high-performance software applications that meet the needs of the business, powering it’s Mass Spectroscopy analytical instrumentation. This role requires hands-on development skills, leadership and mentoring capabilities, a deep understanding of … delivery of functionality within project timeframes and scope. • Collaborate with project managers to identify and mitigate potential risks in the development cycle. • Architect, design and develop high-quality, scalable applications using C#, .NET framework and related technologies. • Maintain and enhance existing applications. • Write clean, maintainable, and efficient code in alignment with best practice and coding standards. • Perform code reviews … to ensure quality and adherence to standards. • Ensure software applications are thoroughly tested and perform as expected across different environments. • Provide leadership and technical guidance for resolution of complex technical issues and reported bugs. • Provide technical guidance and recommendations on tools, frameworks, and technologies to optimize the software development processes. • Stay updated on the latest industry trends, programming languages More ❯

Hiring in Canada: Senior Web Application Developer Hiring in Canada: Senior Web Application Developer 2 days ago Be among the first 25 applicants Flynn Group of Companies , North America’s leading building envelope contractor is looking to hire a Sr. Web Application Developer to work in our Toronto, Canada office. … mix of Java, Swift, and Xamarin for our mobile apps. Responsibilities Will be a core member of the team to design, architect, develop, code reviews and test our key applications Design new application features and integrations in collaboration with team members to deliver complex changes Design and implement scalable and resilient cloud solutions with security and disaster recovery in … as required Participate in a rotating weekly on-call schedule What We Are Seeking 10+ years of recent experience, with at least 5 years in a Sr. Web Developer or similar senior role Post-secondary education in Computer Science/IT or related field Experience in .NET/.NET Framework and C# Experience in entity framework More ❯

Title: Advanced Senior IT Applications Developer KBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-year history and culture of innovation and mission focus, KBR creates sustainable value by combining engineering, technical and scientific expertise with its full life … our joint ventures), with customers in more than 80 countries, and operations in 40 countries, across two synergistic global businesses. Job Description We are seeking a highly skilled Senior Dotnet Developer with expertise in Blazor to support our team of developers in designing and implementing complex web applications. The successful candidate will have a proven track … procedures while developing advanced skills Under general supervision, and occasional direct supervision, performs assignments requiring experience and knowledge of standard concepts within their field Develops program logic for new applications, modify, and analyze existing application logic. Codes, tests, debugs, documents, implements, and maintains software applications Provides application software development services or technical support, typically for a defined project More ❯

Hiring in Canada: Senior Web Application Developer 2 days ago Be among the first 25 applicants Flynn Group of Companies , North America’s leading building envelope contractor, is looking to hire a Senior Web Application Developer to work in our Toronto, Canada office. This is a permanent relocation opportunity to Canada. Our … work environment Our Tech Stack Our primary tech stack includes .NET (C#) hosted in Amazon AWS and Microsoft Azure. We use MongoDB, MySQL, and SQL Server for our databases. Applications are built in ASP.NET and Angular for web apps, with Java, Swift, and Xamarin for mobile apps. Responsibilities Design, architect, develop, and conduct code reviews for our key applications … hours support as needed Participate in a rotating weekly on-call schedule What We Are Seeking 10+ years of recent experience, including at least 5 years in a senior web developer role Post-secondary education in Computer Science/IT or related field Experience with .NET/.NET Framework and C# Experience with Entity Framework Experience More ❯

Flynn Group of Companies , North America's leading building envelope contractor, is looking to hire a Sr. Web Application Developer to work in our Toronto, Canada office. This is a permanent relocation opportunity to relocate to Canada. In-house, licensed Immigration team at Flynn will assist you with: Work permit application (at no cost to you) Permits for … work environment Our Tech Stack Our primary tech stack includes .NET (C#) hosted in Amazon AWS and Microsoft Azure. We use MongoDB, MySQL, and SQL Server for our databases. Applications are built in ASP.NET and Angular for web apps, with Java, Swift, and Xamarin for mobile apps. Responsibilities Design, architect, develop, review code, and test our key applications … support as required Participate in rotating weekly on-call schedules What We Are Seeking 10+ years of recent experience, including at least 5 years in a Sr. Web Developer or similar senior role Post-secondary education in Computer Science/IT or related field Experience in .NET/.NET Framework and C# Experience with Entity Framework More ❯

Title: Advanced Sr IT Applications Developer KBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense, and industrial base. Drawing from its rich 100-year history and culture of innovation and mission focus, KBR creates sustainable value by combining engineering, technical, and scientific expertise with its full life cycle capabilities … to date with the latest web development trends. This role involves providing application software development services or technical support for defined projects. Responsibilities include developing program logic for new applications, modifying and analyzing existing applications, coding, testing, debugging, documenting, implementing, and maintaining software applications. The role requires experience and knowledge of standard concepts within the field, with core … Job Responsibilities Analyzing possible solutions using standard procedures while developing advanced skills Performing assignments requiring experience and knowledge of standard concepts within their field Developing program logic for new applications, modifying, analyzing existing logic, coding, testing, debugging, documenting, implementing, and maintaining software applications Providing application software development services or technical support for defined projects Making key system design More ❯

Flynn Group of Companies , North America's leading building envelope contractor is looking to hire a Sr. Web Application Developer to work in our Toronto, Canada office. This is a permanent relocation opportunity to relocate to Canada. In-house, licensed Immigration team at Flynn who will assist you with the following: -Work permit application (at no cost to … mix of Java, Swift, and Xamarin for our mobile apps. Responsibilities Will be a core member of the team to design, architect, develop, code reviews and test our key applications Design new application features and integrations in collaboration with team members to deliver complex changes Design and implement scalable and resilient cloud solutions with security and disaster recovery in … as required Participate in a rotating weekly on-call schedule What we are Seeking 10+ years of recent experience, with at least 5 years in a Sr. Web Developer or similar senior role Post-secondary education in Computer Science/IT or related field Experience in .NET/.NET Framework and C# Experience in entity framework More ❯

in our core values. We're a high-energy, high-growth team and we love to win. Senior Application Developer The Senior Application Developer will design, develop, refactor, enhance, test and evaluate, and support software applications currently hosted on-premises to be hosted within the AWS GovCloud instance compliant with FBI … appropriate solution. Candidates shall be skilled in multiple web application languages, reverse engineering, and have a strong background in building scalable, user intuitive, high-quality and high performing web applications ranging from a high mid-level and a senior. The Electronic Surveillance (ELSUR) Logistics Technology Unit (ELTU) application enhancements or modifications may include business and process changes to ELTU … applications/systems as well as coordination with other integrated and non-ELTU software systems. The contractor shall work alongside infrastructure, development, and managerial team members to troubleshoot and resolve issues. In this role, you will: Support the Government's effort to obtain and maintain an authority-to- operate (ATO) and protect the security posture of the program systems More ❯

Duties and Responsibilities: • Web-based programming using XML/HTML/JavaScript • Developing .NET applications with C# and Visual Studio • Model View Controller (MVC) development • Performing code reviews, unit testing, and quality control testing on all products prior to release • Developing and integrating business intelligence and data visualization techniques and tools into • the application to enable users to analyze … experience plus a Master s degree OR 8+ years experience plus a Bachelor s degree. • Experience with web-based programming using XML/HTML/JavaScript • Experience developing .NET applications with C# and Visual Studio • Software/system development lifecycle • SQL Database Management System and programming, plus relational database concepts • Experience with memory management, caching and performance management • MS More ❯

Jobs Senior Applications Developer Apply Now Salary Up to £500 per day Expires 08/07/2025 Location England, Essex, Chelmsford Job Type Interim Senior Applications Developer Contract: 4 Months, Temporary Working Hours: Full-Time Salary: £384.14 PAYE/£500.00 Umbrella, daily rate Closing Date: Monday 7th July … Understanding of application lifecycle management (ALM) in Power Platform Knowledge of JSON, Power Fx, JavaScript, HTML and SQL. Qualification or high level of demonstrable capability with relevant vendor business applications Desirable: Able to demonstrate a clear understanding of, and capability to work within, relevant ICT related standards including HMG Security Policy Framework, IITIL V3, ISO/IEC 38500, ISO … to our success. If you have any queries regarding this role, or require anything further, please email OR To apply please click the Apply Now link below. Apply forSenior Applications Developer This role expires08/07/2025. Apply Now Help us break the news - share your information, opinion or analysis word word word word word word More ❯

Senior Applications Developer Contract: 4 Months, Temporary Working Hours: Full-Time Salary: £384.14 PAYE/£500.00 Umbrella, daily rate Closing Date: Monday 7th July 2025 Working Arrangements: Hybrid Location: Chelmsford, Essex About the role Essex County Council is ambitious and by 2030 it will be one of the most forward looking, effective and financially sustainable … by experience in a relevant subject. • Hold relevant Microsoft certifications such as PL-100: Power Platform App Maker, PL-200: Power Platform Functional Consultant, PL-400: Power Platform Developer, PL-600: Power Platform Solution Architect. • Proven experience with Microsoft Power Automate Desktop and DevOps. • Solid understanding of Microsoft 365, Dataverse, and Azure Services … Understanding of application lifecycle management (ALM) in Power Platform • Knowledge of JSON, Power Fx, JavaScript, HTML and SQL. • Qualification or high level of demonstrable capability with relevant vendor business applications Desirable: • Able to demonstrate a clear understanding of, and capability to work within, relevant ICT related standards including HMG Security Policy Framework, IITIL V3, ISO/IEC 38500, ISO More ❯

by experience in a relevant subject. Hold relevant Microsoft certifications such as PL-100: Power Platform App Maker, PL-200: Power Platform Functional Consultant, PL-400: Power Platform Developer, PL-600: Power Platform Solution Architect. Proven experience with Microsoft Power Automate Desktop and DevOps. Solid understanding of Microsoft 365, Dataverse, and Azure Services … Understanding of application lifecycle management (ALM) in Power Platform Knowledge of JSON, Power Fx, JavaScript, HTML and SQL. Qualification or high level of demonstrable capability with relevant vendor business applications Desirable: Able to demonstrate a clear understanding of, and capability to work within, relevant ICT related standards including HMG Security Policy Framework, IITIL V3, ISO/IEC 38500, ISO More ❯

capable of achieving incredible things. We're looking for an experienced Senior React Native Developer to join our small, focused Scrum team working on mobile applications for both iOS and Android. You'll be responsible for building new apps and maintaining existing ones using React Native with TypeScript and GraphQL. You'll need a strong … is a temporary role, likely lasting around 6 months, with a view to extending beyond this if needed. WHAT YOU'LL DO: Design, develop, and maintain cross-platform mobile applications using React Native Build new applications and features, while supporting and improving existing apps Consume GraphQL APIs in the mobile stack Collaborate with designers and backend engineers to … GraphQL APIs Good knowledge of iOS (Swift/Objective-C) and Android (Kotlin/Java) Native Development for platform-specific customisation Proven track record of delivering high-quality mobile applications to production Experience working in a Scrum/Agile team environment Familiarity with mobile testing, debugging, and performance optimisation tools Clear understanding of app publishing processes on both App More ❯

Job Description Who we are looking for. We are looking for a highly skilled Senior Application Developer/Lead with 10+ years' experience to join our Portfolio Analytics Technology Solutions team. The candidate will play a key role in designing and optimizing software applications, providing innovative solutions and co-ordinate work effort with other teams.The … you want to make your mark in global asset management and make an impact on the world's investors What you will be responsible for Design, develop and maintain applications leveraging Python, PySpark, and SQL leveraging cloud native architecture principles and technologies. Lead the design and development of scalable and robust software application architecture, ensuring alignment with business goals More ❯

Building a sustainable tomorrow BAM UK & I are looking for a Senior Applications Developer to be hybrid from ether Camberley, Hemel Hempstead or Central London. We are looking for an experienced person with expertise on Microsoft Dynamics 365 and Microsoft Power Platforms to join our Application Services Team. This role is pivotal in collaborating with … Analysts to drive system improvements, lead development initiatives, and support project work. Your mission • Provide technical and functional support, along with user training, for a selected portfolio of BAM applications built on Microsoft Dynamics 365 and PowerApps. • Developing & Customizing Solutions – Design, configure and develop solutions (Low code, Power Platform, MS Dynamics 365) to align with business needs, following best … knowledge sharing, fostering best practices, and refining tools and methodologies within the team. Who are we looking for? We are seeking a highly skilled and experienced Senior Applications Developer with expertise in Low code development , Microsoft Dynamics 365 and Power Platform, along with a strong background in Agile methodologies. The ideal candidate will have: Technical More ❯

Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON Join to apply for the Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON role at Citi Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON 1 week ago Be among the first 25 applicants Join … to apply for the Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON role at Citi The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is … development, testing, deployment, and maintenance of the production derivatives credit risk application, used for internal risk management and regulatory capital purposes. The Counterparty Credit Risk Senior Application Developer position is a senior role that will interface closely with Quant and Front Office technology teams to integrate pricing models and workflow enhancements within the ACE More ❯

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the … development, testing, deployment, and maintenance of the production derivatives credit risk application, used for internal risk management and regulatory capital purposes. The Counterparty Credit Risk Senior Application Developer position is a senior role that will interface closely with Quant and Front Office technology teams to integrate pricing models and workflow enhancements within the ACE … There will be exposure to a wide range of technological frameworks, including distributed computing architecture. The role will involve tasks such as: Developing and maintaining the Counterparty Credit Risk applications, leveraging in-house Python and C++ model libraries. Supporting and improving CI/CD (build, testing and release management) of the credit risk application. Contributing to the codebase to More ❯

Senior Application Developer - Data page is loaded Senior Application Developer - Data Bewerben locations London, United Kingdom time type Full time posted on Gestern ausgeschrieben job requisition id J-047731 IDEXX is looking for a Senior Data Engineer to join the Veterinary Software team in London! This is an exciting opportunity … and secure movement of legacy and modern systems. As a senior engineer, you'll design, develop, and optimise scalable and efficient data pipelines integrating PHP, and C applications using .NET framework backend services and React frontends. You'll utilise tools such as Terraform for infrastructure-as-code ( IaC ), AWS (Lambda, EC2, EKS, Step Functions, VPC etc.) for … of Git, CI/CD pipelines, and containerization (Docker/Kubernetes). Experience working in environments with AI/ML components or interest in learning data workflows for ML applications . Bonus if you have e xposure to Kafka, Spark, or Flink . Experience with data compliance regulations (GDPR). What you can expect from us: Salary More ❯

iOS/Android Mobile Apps Developer Guildford, Surrey (Office-Based) £70000 - £120000 + 25% Bonus, 10% Pension, Private Medical. Must haves: - Must work 5 days per week in the office in Guildford. - Must have Native App examples for enterprise organisations live in the App Store. Your new company This leading Software provider are looking to bolster their engineering … team an Mobile Apps Developer to work on iOS and Android native products. You will be working in their state-of-the-art offices in the heart of Guildford 5 days per week, close to the University and with excellent transport links to London and the surrounding areas in Surrey. You'll join a well-established business with … new role Working for a business that is recognise as the dominant player in their industry, you'll be contributing to the Development of 2 best-in-class existing applications for iOS and Android platforms, as well as leading the charge for exciting new cross platform app developments for the organisation. You'll work end to end on projects More ❯

Are you a Senior Cloud Application Developer looking to … work for a company that makes products that save lives? If so, then this is the role for you! My client is a global leader in Fire & Security prevention applications based in Coventry. This job will be responsible for development and maintenance of their AWS-based SaaS platform as well as supporting and enhancing existing cloud applications. This is … application development, particularly in .NET, Angular, and serverless frameworks. A key role which will see the successful candidate have skills as a DevOps Engineer as well as a Cloud Applications Developer. Hybrid working available. Key skills & experience required for Senior Cloud Application Developer based in Coventry include: Extensive experience with Python Strong AWS experience and More ❯

Are you a Senior Cloud Application Developer looking to … work for a company that makes products that save lives? If so, then this is the role for you! My client is a global leader in Fire & Security prevention applications based in Coventry. This job will be responsible for development and maintenance of their AWS-based SaaS platform as well as supporting and enhancing existing cloud applications. This is … application development, particularly in .NET, Angular, and serverless frameworks. A key role which will see the successful candidate have skills as a DevOps Engineer as well as a Cloud Applications Developer. Hybrid working available. Key skills & experience required for Senior Cloud Application Developer based in Coventry include: Extensive experience with Python Strong AWS experience and More ❯

Social network you want to login/join with: Job Title: Senior Application Developer (12 month FTC) Location: Uxbridge, Hybrid (2 days on-site) Want to re-energise your career with the brand behind your favourite energy drinks and events? Are you bold, relentless, and looking for an opportunity to get to the top of your … experience of DevOps processes/infrastructure. Experienced in working with version control and cloud development environments with Azure DevOps. If you’re interested in the Senior Application Developer position get in touch with Erin at the Advocate Group or APPLY NOW to be considered for this exciting vacancy. The Advocate Group is a leading recruitment partner … based in the UK, to the FMCG and consumer product sectors. We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation, or age. By applying for this role, you are agreeing to our Privacy Policy, which can be found on our website. Please note More ❯

dependant on experience along with a competitive benefits package. Supervision Reports to and works under the administrative supervision of the Software Development Team Lead. Summary The IT Database and Applications Developer is a member of the Software Development Team who are responsible for delivering platforms and solutions to the business and its clients. The candidate is responsible … the IT Infrastructure Team, the IT Database Developer assumes responsibility for all aspects of database operation. The candidate will also be expected to write and modify desktop applications and services. The main programming language used will be C#. A good knowledge of software and solutions architecture is required here rather than knowledge and experience of any specific … and maintain compliance with security standards and policies. Work with the Software Development Team Lead to ensure initiatives are delivered on time and to client satisfaction. Develop and modify applications and services using C#/.Net/.Net core. There will be opportunities to develop in other languages, such as C++, Delphi, PHP. The candidate will be expected to More ❯

platforms, streaming apps, ecommerce sites and TV channels, making every screen a doorway to discovery, delight and community. The Opportunity QVC are looking for a Senior Application Developer within the Broadcast Engineering Department. Reporting into the Manager Broadcast Application Development, your role as Senior Application developer will be to lead the technical … design, development, and implementation of application systems in the Broadcast domain. Working with a distributed team across, UK, Italy, Germany you will help develop applications and workflows surrounding live television, postproduction, and automation systems. Who We Are QVC empowers shoppers with knowledge and shares insights in a lively, engaging way. We offer an ever-changing collection of familiar brands … leading a development team, providing inputs for system architecture and high and low level designs. Develop a working understanding of supported systems, troubleshoot most issues for production environment. Develop applications using SOLID design principles, integrate enterprise systems using multiple approaches such as web API, message queues, design databases, design user interfaces, automate tasks using scripts. Experience of live graphics More ❯