Senior Web Application Developer
Jobiqo
Web Application Developer with Active Top Secret Security Clearance* Requirements: Bachelor’s in engineering, computer science, or equivalent with 5+ yrs experience or AA with 7+ yrs experience The Senior Level Web Application Developer will be responsible for systems development, testing and implementation in a web-based environment. He/she shall have experience with web applications, particularly in the context of multi-tiered applications, hands-on experience with API development and development of web services in a.NET environment. Additional experience required: · Systems development, testing and implementation in complex environment with mainframe, web and GUI components, lead architecture and design decisions, SQL query optimization. Clearly articulate personal technical decisions, think critically about a new system, lead design conversations, and demonstrate hands-on experience driving solutions from the ground up. · Internet application development within a Microsoft web environment using the following: ASP with recent ASP.NET, SQL Server (including stored procedures), Visual Studio 2010 or later, and IIS. · Programming languages such as HTML/ CSS, JAVA script, Python, PHP, and SQL. · Using DB2 Connect and integrating with mainframe applications. · Design, development, and consumption of WCF services within an enterprise architecture. Job Type: Full-time
$120k - $130k
Senior Web Applications DeveloperHaymarket Media, Inc. is seeking a Senior Developer to join the Web Applications/Services team. This position is located in our New York, NY office on a hybrid work schedule; three (3) days in office depending on business needs.Job Overview...SeniorWork at officeLocal area- ...Senior Full-Stack Engineer | Series B Healthtech | NYC (Hybrid) A recently funded Series B company is building the clinical operating... ...them once they're live Required ~5+ years shipping production web apps ~ Strong TypeScript across the stack, plus hands-on Vue 3...SeniorFull timeContract work
$165 per hour
...that into a something beautiful, then you are the one we are looking for.As our Sr. Backend Engineer, you will be:You will develop efficient web services and APIsYou will participate in daily code deploys while working on individual or team projectsYou will convert business...Senior- ...advanced grid interactions, and role-based workflows. This is a senior-level opportunity to contribute to architecture decisions,... ...drive UI excellence.What You’ll TackleBuild scalable Angular 20 applications using modern architecture patternsTranslate Figma and UX wireframes...Senior
- Immigration runs on data scattered across a dozen government systems and nearly impossible to navigate alone. Lawfully turns it into clarity . We bring that data into a clean, live case timeline that millions of immigrants — and the law firms serving them — depend...SeniorFull time
- ...This is an opportunity to help build core infrastructure for the next generation of financial markets. About the Role As a Senior Rust Backend Engineer, you will work across the platform with a high-performing engineering team. You’ll design, architect, and build...SeniorFull time
$195k - $220k
...We are partnered with a growing consumer marketplace to hire a Senior Backend Software Engineers to help build the next generation of... ...availability, pricing, reservations, and transaction management. Develop data models that support different product types, inventory...SeniorFull timeWork at officeRemote workMonday to Thursday$225k
...Senior Frontend Engineer required for a well-funded AI healthcare startup building new-gen patient-facing software. Built consumer... ...Frontend Engineer, you'll build intuitive, high-performance applications using React, Next.js and TypeScript. You'll influence frontend...SeniorPermanent employmentFull time- ...Time$1500k - $200kAbout the RoleWhat You'll DoBuild AI-powered applications using C#, .NET, and Azure. Design and implement RAG pipelines... ...systems using APIs, function calling, and tool orchestration. Develop backend services and APIs that expose AI capabilities. Implement...Senior
$160k - $240k
...backend services powering fintech and SaaS products for healthcare customers Develop scalable APIs and database schemas for new product features Build and maintain Node.js applications with a focus on performance, reliability, and security Investigate and...SeniorFull timeWork at officeRemote work$175k - $225k
...Founding Senior Full-Stack Engineer (AI & Growth Infrastructure) Location: New York... ...across customer lifecycles Developing agentic AI workflows that can evaluate... ...growing business Work on cutting-edge AI applications with real-world commercial impact Small...SeniorFull timeImmediate start$190k - $200k
...Position: Senior Full-Stack Engineer Location: Hybrid-New York City Type: Full Time ABOUT US: CheckedUp is a healthcare... ...people. Composed of leading physicians, strategists, mobile and web engineers and designers, our team is passionate about changing healthcare...SeniorFull time$190k - $250k
...Senior / Staff Full Stack Engineer – Applied AI New York City $190,000–$250,000... ...Full Stack Engineer (Applied AI) to help develop an AI-powered copilot, building production... ...and agent frameworks to user-facing applications. What you'll be doing Building and...SeniorFull timeWork at office- ...agent backend team, and hold both sides to it with testsTreat developer experience as a first-class deliverable — design the API,... ...quality bar in reviewThe Ideal Match6+ years building production web applications, including time somewhere the frontend was the productExpert...SeniorContract work
$150k - $250k
...annum New York, United States Permanent Senior Backend EngineerNew York (3 days per week in... ...experience building distributed systems and high-traffic applications. You'll be responsible for designing and developing the services that power real-time user...SeniorPermanent employmentWork at office3 days per week$250k
...media and we need your help adding fuel to the fire.About the RolePolymarket is launching perpetual futures and we're looking for Senior Backend Engineers to own the core systems that make it run. This is backend exchange engineering in the truest sense: low-latency order...Senior$200k - $250k
...Senior/Staff Full Stack Engineer (Full-Time) About Alta: Alta is building the future of shopping with AI. We have raised $21... ...& shopping recommendation models. Scaling Alta’s suite of applications as we grow. Monitoring, debugging, and fixing issues in deployed...SeniorFull time$190k - $210k
...organization. They are currently looking to add Senior Backend Software Engineers to their... ...Backend Software Engineers to help develop and scale the company's core booking platform... ..., payment systems, or booking applications. Experience building complex third-party...SeniorHourly payFull timeRemote workNight shift- ...This is a senior, delivery-focused engagement on a strategic multi-year programme. It suits an engineer who is proactive about building... ...and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid...SeniorFull timeWork at officeLocal areaFlexible hoursShift work
$205k - $300k
...RoleHandshake AI Enterprise is a new business unit building AI-powered applications for the world's largest companies. We deploy small, expert... ...changes how enterprises operate.We're looking for a Senior Frontend Engineer who wants to architect the foundation — not...SeniorFull timeWork at officeRemote workFlexible hours- ...management systems: Splunk, ElasticSearch, Solr or similar as a developer or administrator.Solid understanding of modern Big Data principles... ...in any of the following: Perl, Python, TCL or Makefile.Web development with any of the following: PHP, Ruby, Python, JavaScript...Senior
- ...Job Description Founding/Senior Mobile Developer (iOS, Swift, Kotlin) – New York – Hybrid – Opportunity to work for a well-known Series D Funded Company! \n \n One of the US’s most well known consumer electronics companies – known as a leader in the space that...SeniorWork at officeFlexible hours
$161k - $210k
Senior Software Engineer Dealpath is the AI-powered operating system for institutional real estate investing — purpose-built to help... ..., or 8+ years of industry experience4+ years building web application back-ends — Ruby, Flask, Node, or similar4+ years building web...SeniorCasual workImmediate start$180k - $230k
...learning experiences.We're looking for a Senior Full Stack Engineer to join our AI... ...experienced in one of these can be sufficient)Develop, maintain, and optimize AI/LLM-powered... ...ecosystem (Lambda, ECS, RDS, k8s, containerized applications)What we offerFull time permanent...SeniorPermanent employmentLocal areaFlexible hours$10k
...spend, and act on it with greater confidence.We’re looking for a senior backend engineer to build the systems behind that experience.... ...Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.Beware of recruiting scams:...SeniorFull timeWork at officeRemote workHome officeFlexible hours$10k
...and more time understanding their business.We're looking for a Senior Backend Engineer to build across that accounting experience. You... ...Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.Beware of recruiting scams:...SeniorFull timeWork at officeHome officeFlexible hours$192k - $246k
About Kalepa:Insurance is a $7T global industry built on professional labor: underwriting, claims, pricing, operations, and distribution. Kalepa is building AI that can perform that work.We create professional-grade AI systems for insurers: software that can read, reason...SeniorWork at officeRemote work- ...STARTUP*** Our client is looking for a Senior/Staff Frontend Engineer to join us as we... ...fellow engineers, build the travel advisors application that is responsible for new advisors... ...interactions with their clients Focus on web development, and collaborate with backend...SeniorFull time
- ...We are seeking a highly experienced Senior UX/UI Developer who combines strong visual design skills... ...to build next-generation, AI-enabled applications. This is a hybrid design-and-build... ...emphasizes lightweight, server-rendered web applications built with HTML, Tailwind...SeniorFull timeLocal areaRelocation3 days per week
$170k - $200k
...platforms where discovery happens, including web browsers, Buy Now Pay Later apps, and AI... ...React and other frontend technologies.Develop scalable, secure, and observable backend... ...systems, and production-grade applications.Strong understanding of software design...SeniorSummer workWork at office
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