CrawlJobs Logo

Senior Full Stack Application Engineer

United States, Portland · Job Posted December 06, 2025
Apply Position
Job Link Share

Job Description

In this role, you will serve as a technical expert responsible for development and implementation of .Net related software projects in a series of business verticals. Successful candidates are expected to have experience participating in SCRUM practices, understand software design principals, skills in cloud development, unit testing, and DevOps. This senior role is expected to bring both empathy and technical expertise to help Axian’s clients achieve their goals with technology. Experience authoring web services and data access are highly preferred. Comfort with a SPA (e.g., React/Angular) and other toolchain/runtimes (e.g., Node, Java, Python) are also an asset.

Job Responsibility

  • Serve as a technical expert responsible for development and implementation of .Net related software projects in a series of business verticals
  • Bring both empathy and technical expertise to help Axian’s clients achieve their goals with technology

Requirements

  • Bachelor’s degree Computer Science, or equivalent 9 years of experience in Information Technology
  • Experience creating automated unit test
  • Experience with Web-Service (REST) frameworks
  • Strong understanding of object-oriented design principles and patterns
  • 5 years OO software dev
  • 4+ years working on enterprise level multi-tiered business apps
  • 4+ years writing code in C#
  • Experience with additional backend toolchains (Node, Java, Python)
  • Solid understanding of SQL
  • Experience working with .NET ORMs
  • Cloud experience (Azure or AWS)
  • Solid understanding of HTTP (headers, protocol, verbs, etc)
  • JavaScript/TypeScript experience
  • Solid understanding of SPA (React, Angular 2+)
  • Modern CSS & HTML Proficiency
  • 4+ years of UI & User Experience Design
  • Excellent verbal and written communication skills, including meeting facilitation and presentation experience
  • Ability to understand challenges or concerns, share ideas, and develop effective responses
  • Ability to provide engineering task work effort estimates
  • Proven ability to analyze performance issues using java/.net profiling tools
  • Proven ability to work in a Test-Driven Development manner
  • Proven experience working in conjunction with Project Managers, Account Mangers, Business

Nice to have

  • Experience authoring web services and data access
  • Comfort with a SPA (e.g., React/Angular) and other toolchain/runtimes (e.g., Node, Java, Python)

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Senior Full Stack Application Engineer

8 matching positions

Full stack Software Engineer and Senior Full stack Software Engineer - Microsoft Security

We have multiple positions open for Full stack Software Engineers and Senior Ful...
Location
Location
Israel , Tel Aviv, Herzliya
Salary
Salary:
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • B.Sc. or M.Sc. in computer science, software engineering, or equivalent experience
  • 7+ years of professional hands-on software development experience, primarily focused on developing and designing backend services in cloud or on-premises environments
  • proven hands-on experience in front-end development, including building scalable, user-facing applications using modern libraries and frameworks (e.g., React, Angular, or Vue)
  • experience taking initiative, map product/feature requirements, dependencies, and deliverables
Job Responsibility
Job Responsibility
  • Contribute to business-critical initiatives in Microsoft Security
  • Use deep technical skills and the ability to quickly adapt to new areas
  • Improve the end-to-end lifecycle of services
  • Analyze complex system behavior, and apply modern engineering practices to streamline deployments and reduce costs
  • Work on high-end technologies and collaborating across disciplines to deliver impactful features
  • Collaborate with multiple teams across Microsoft to deliver key customer solutions and support technology
  • Fulltime
Read More
Arrow Right

Senior Full-Stack Web Application Developer / Software Engineer

You will be hands-on, leading the design, implementation, testing, launch, and s...
Location
Location
United States , Bartlett
Salary
Salary:
90000.00 - 180000.00 USD / Year
apharmony.com Logo
apHarmony Inc.
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Computer Science or related field
  • In-depth understanding of JavaScript
  • Ability to write cross-browser and cross-platform applications
  • 5+ years experience writing reusable, maintainable, and well-tested code
  • Excellent verbal and written communication skills
  • Excellent teamwork and project management skills
Job Responsibility
Job Responsibility
  • Leading the design, implementation, testing, launch, and support of the various applications
  • Analyzing and Defining Requirements
  • Developing Full-stack Applications
  • Testing
  • Deployment
  • Fulltime
Read More
Arrow Right
New

Senior Full Stack Engineer

Let’s breathe life into great tech ideas! With 3,000 people globally, Intellias ...
Location
Location
Salary
Salary:
Not provided
Intellias
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience in software development using NodeJS
  • Profound knowledge of REST, CORS, and advanced understanding of HTTP and WebSocket
  • Expertise in React, Hooks, HOC, Render Props, and advanced performance optimization techniques
  • Expert understanding of REST, WebSocket, PostgreSQL, RabbitMQ, Redis
  • Proficient in building module-based applications and shared UX libraries (following Atomic design or similar approaches)
  • Expertise in writing efficient, secure, well-documented, and clean JavaScript code
  • Experience in setting up and managing CI/CD pipelines for production-grade applications
  • Proficient with git-flow
  • Experience in containerization and orchestration technologies like Docker and Kubernetes
  • Deep understanding of cybersecurity principles, with experience in implementing secure systems and mitigating common security threats
Job Responsibility
Job Responsibility
  • Be part of leading the development of highly robust and scalable server-side applications and services
  • Writing advanced application interface codes using JavaScript following React.js/Typescript workflows and ensuring high performance and best user experience
  • Design and maintain complex databases using Object-Relational Mapping (ORM) tools
  • Translating complex designs and wireframes into high-quality code and building reusable components and front-end libraries for future use
  • Monitoring and improving front-end performance, ensuring UI/UX designs meet usability guidelines, and optimizing components across various devices and browsers
  • Collaborating with cross-functional teams, product teams, and graphic designers to develop well-structured and flexible architecture, along with the APIs to support it
  • Documenting application changes, developing updates, maintaining existing React systems, and designing and developing new custom components to meet complex project requirements
  • Develop advanced security measures and ensure their proper implementation
  • Develop comprehensive application testing procedures
  • Optimize and tune code for performance, maintainability, and scalability
What we offer
What we offer
  • comfortable atmosphere
  • empower individuals to unlock their true potential and achieve extraordinary results
  • range of benefits that support your well-being and charge your professional growth
  • committed to fostering equity, diversity, and inclusion
  • Fulltime
Read More
Arrow Right
New

Senior Full Stack Engineer - Java / Angular

This is a senior-level individual contributor role within an enterprise applicat...
Location
Location
United States , Jacksonville
Salary
Salary:
113840.00 - 170760.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
June 19, 2026
Flip Icon
Requirements
Requirements
  • 10+ years' overall experience in systems analysis, application programming, and software development
  • 7+ years' hands-on development experience with Java (Spring Boot) and AngularJS
  • 5+ years of SDLC experience utilizing tools such as Jira, RDZ, and Bitbucket
  • Proficiency in Linux/Unix environments
  • Demonstrated experience managing and implementing complex technology projects from initiation through delivery
  • Strong analytical and interpretive thinking skills
  • Working knowledge of project management and consulting techniques
  • Ability to perform effectively under pressure
  • Experience mentoring and advising mid-level technical professionals
Job Responsibility
Job Responsibility
  • Partner with business and technology teams to analyze requirements, identify system enhancements, and support the deployment of new products and process improvements
  • Resolve high-impact problems by conducting in-depth evaluations of complex business processes, system processes, and industry standards
  • Ensure application design adheres to the overall enterprise architecture blueprint
  • Develop and enforce standards for coding, testing, debugging, and implementation
  • Design and implement features to enhance platform monitoring, observability, resiliency, and recoverability
  • Diagnose, debug, and resolve complex issues related to software applications and infrastructure
  • Manage high-priority production support tickets
  • Perform system configurations and routine maintenance
  • Create and maintain internal knowledge base articles
  • Serve as a technical advisor and mentor to mid-level developers and analysts
What we offer
What we offer
  • Medical, dental & vision coverage
  • 401(k)
  • Life, accident, and disability insurance
  • Wellness programs
  • Paid time off packages including planned time off (vacation), unplanned time off (sick leave), and paid holidays
  • Fulltime
!
Read More
Arrow Right

Senior Full Stack Engineer - Go / React.js

Rapid7’s Metasploit team is building the future of the world’s best-known softwa...
Location
Location
Czechia , Prague
Salary
Salary:
Not provided
rapid7.com Logo
Rapid7
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of experience in software development using Go, JavaScript, TyperScript and React (Next.js) or equivalent of programming languages
  • Experience with modern cloud infrastructure (AWS, GCP, or Azure)
  • Experience with design patterns
  • Experience with message queues (RabbitMQ, SQS)
  • Understanding of APIs, interprocess communication, and modern networking and deployment tooling (AWS, Docker)
  • High level of accountability and ownership
  • Leading with empathy and strong user focus
  • Ability to learn and evaluate new technologies quickly
  • Interest in or experience with offensive security, penetration testing, or SOC analysis
  • Product driven mindset
Job Responsibility
Job Responsibility
  • Develop and enhance AI-powered applications within Metasploit ecosystem
  • Architect and implement performant, scalable, and reliable solutions that support AI-driven interactions in web development
  • Collaborate cross-functionally with researchers, engineers and product teams to push the boundaries of AI in cybersecurity
  • Ensure an exceptional user experience through user-friendly UI/UX
  • Diagnose and resolve complex issues, ensuring the reliability and performance of AI-powered products
  • Build tooling and automation to enhance incident response, developer experience, observability, and internal debugging workflows
  • Champion your teammates' successes, and support each other when needed
  • Fulltime
Read More
Arrow Right

Senior Full Stack Engineer

We’re looking for a Senior Full Stack Engineer with deep experience across the m...
Location
Location
United States , Washington DC
Salary
Salary:
40.00 - 55.00 USD / Hour
signifytechnology.com Logo
Signify Technology
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of software engineering experience building modern web applications
  • Deep expertise within the JavaScript/TypeScript ecosystem
  • Strong experience with Next.js and React.js
  • Proficient in backend development with Node.js
  • Experience building and deploying applications within AWS and serverless environments (Lambda, API Gateway, DynamoDB, SQS, etc.)
  • Strong understanding of API design, integrations, and working with technical/API documentation
  • Experience building scalable, performant, user-centric applications
Job Responsibility
Job Responsibility
  • Build and scale highly consumer-centric healthcare products
  • Work across the stack using technologies like React.js, Next.js, Node.js, GraphQL, AWS, and serverless architectures
  • Create seamless digital experiences for both patients and providers
  • Build end-to-end applications
  • Collaborate closely with product and design
  • Shape technical direction and user experience
Read More
Arrow Right

Senior Full Stack Engineer

Sphere is looking for a versatile full stack engineer who can jump on different ...
Location
Location
United States , San Francisco
Salary
Salary:
180000.00 - 250000.00 USD / Year
helpcare.ai Logo
Helpcare AI
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong experience in Python. Our core application backend and data pipeline services are built with Python and Django
  • While frontend / React may not be your primary focus, you’re not afraid to dive in when needed
  • Very strong attention to detail. When you work with numbers this is a non-negotiable - it’s not enough to be 99% right.
Job Responsibility
Job Responsibility
  • Ship features related to a key component of Sphere’s platform - e.g. filing infrastructure
  • Own and manage this key component, driving measurable outcomes
  • Work directly with customers like Eleven Labs, Replit and Windsurf to improve / optimize that key component of the platform (e.g. improve filing generation and submission speed [x]%)
  • Develop expertise across other key components of Sphere’s platform - e.g. tax engine, new products - to manage and execute improvements in this area
  • Lead / mentor additional engineers in component areas that you have worked in
  • Fulltime
Read More
Arrow Right

Senior Full Stack Engineer (Java+React)

We are looking for an experienced Senior Java Full Stack Engineer to join our de...
Location
Location
Poland; Romania; Ukraine
Salary
Salary:
Not provided
n-ix.com Logo
N-iX
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • BS degree in Computer Science or equivalent combination of education and experience
  • 5-6+ years of full-stack development
  • 5-6+ years of experience in the following technologies: Java, Spring
  • Experience with Functional Programming and Java Streams
  • 2+ years of experience in front-end development with React
  • Experience with developing a reactive UI (Reactive JS)
  • 2+ years of experience in TDD/BDD development in the following frameworks: Junit, Jasmin, Mockito, Protractor/Selenium
  • 2+ years of experience in micro-services-based architecture and tools (Spring Boot/Cloud)
  • Experience in DevOps development and Jenkins
  • Experience in development in Kotlin – an advantage
Job Responsibility
Job Responsibility
  • Hands-on full-stack development of innovative applications
  • Owning the entire development cycle, including design, architecture, development, and DevOps
  • Working in XP with Remote pairing
What we offer
What we offer
  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits
  • Fulltime
Read More
Arrow Right