Senior Full Stack Engineer
Crossfire Consulting
Senior Full Stack Engineer
Join a forward-thinking organization modernizing critical business systems that support complex, highly regulated operations. As a Senior Full Stack Engineer, you will transform legacy applications into reliable, maintainable, and well-tested solutions using .NET 8, Angular, SQL Server, Azure DevOps, and AI-assisted engineering workflows.
Senior Full Stack Engineer Responsibilities
- Design and develop.NET 8 services and Angular applications while accurately preserving established business rules.
- Migrate schemas and data from Ingres to SQL Server, including reconciliation and validation to confirm data integrity.
- Analyze legacy source code and collaborate with subject matter experts to document and reconstruct system behavior.
- Apply LLM-assisted workflows to code analysis, development, testing, and technical documentation.
- Deliver production-ready software through Azure DevOps, automated testing, code reviews, and CI/CD pipelines.
- Create architecture documentation, ADRs, implementation plans, and production-support readiness materials.
- Partner with business stakeholders and technical teams to clarify requirements and reduce modernization risk.
Senior Full Stack Engineer Qualifications
- 8+ years of professional software engineering experience , including senior-level ownership from design through production support.
- Advanced C# and .NET expertise , including ASP.NET Core, EF Core, dependency injection, concurrency, resilience, observability, and automated testing.
- Strong Angular and TypeScript experience , preferably Angular 17+, including RxJS, signals, reactive forms, performance optimization, and change detection.
- Advanced SQL Server and T-SQL skills , including relational design, indexing, execution plans, locking, concurrency, and migrations as code.
- Proven system-design experience with domain-driven design, clean architecture, strangler-fig patterns, and anti-corruption layers.
- Daily experience with AI development tools such as GitHub Copilot, Claude Code, or comparable platforms.
- Ability to review AI-generated output critically and verify it through specifications, testing, and human review.
- Strong analytical skills and comfort working with unfamiliar legacy systems.
Senior Full Stack Engineer Preferred Qualifications
- Experience with VB.NET, VB6, OpenROAD, PowerBuilder, Oracle Forms, Ingres, or similar legacy technologies.
- Familiarity with electric utilities, IT/OT environments, regulated operations, or operational business systems.
- Experience delivering modernization programs where accuracy, auditability, and business continuity are essential.
The ideal Senior Full Stack Engineer is a hands-on technical leader who enjoys solving complex modernization challenges and balancing legacy analysis with modern architecture. This Senior Full Stack Engineer values clean code, careful verification, collaborative delivery, and measurable production readiness.
We look forward to reviewing your application!
Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Senior Full Stack Engineer in New York, NY vacancy
$70 - $80 per hour
...startup - their main goal is to increase productivity and potential for the industrial supplychain. They are looking for a Senior Full Stack Engineer who is experienced with ReactJS and NodeJS. Responsibilities Work Full Stack with ReactJS/NodeJS/Python Help develop/...SeniorFull timeTemporary workFlexible hours$115k
TypeDirect PlacementSalary$115,000 / year Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Full Stack / Backend Engineer for a full-time assignment with one of our premier media analytics and advertising technology clients. This is a remote position...SeniorFull timeRemote work- Bachelor’s degree or foreign equivalent in Computer Science, Mechanical Engineering, or related field and 10 years of progressive post-baccalaureate experience in the job offered or related occupation.5+ years of hands-on experience with NoSQL database management systems...Senior
$175k - $250k
What’s the role?As a Senior Full Stack Engineer, you'll work on high-impact projects that directly shape how our members interact with Bilt's most exciting initiatives. From powering our hit game show "Rent Free" to developing exclusive member experiences and Rent Day...Senior- ...customers. Cohere is a team of researchers, engineers, designers, and more, who are all... ...abilities and are comfortable working across the stack.You have built and deployed extremely... ...equivalent in your local currency for lunch.Full health and dental benefits, including a...SeniorWork at officeLocal areaRemote workHome office
$180k - $230k
...Kiddom helps schools and districts deliver more equitable, effective, and adaptive learning experiences.We're looking for a Senior Full Stack Engineer to join our AI Experience Pod, the team behind Kiddom's flagship AI-powered experience for teachers and students. You'll...SeniorPermanent employmentLocal areaFlexible hours$159.2k - $301.6k
...reimagining the future of creativity — where generative AI, intelligent agents, and human imagination work hand in hand. As a Senior Full Stack Engineer, Agentic Product, you will be a key technical contributor for Adobe's up-and-coming AI-native experience that brings...SeniorFull timeTemporary workLocal areaWorldwide$161k - $210k
Senior Software Engineer Dealpath is the AI-powered operating system for institutional real estate investing — purpose-built to help the world's leading firms capture more opportunities, make faster decisions, and execute with precision. As a Senior Software Engineer here...SeniorCasual workImmediate start$187k
About the roleWe are looking for a Senior Full-Stack Engineer to join our App Journey team and play a key role in shaping the core experiences that every Chime member interacts with every day.As a senior engineer on this team, you'll own the surfaces that define how members...SeniorFull timeWork at officeLocal areaRemote workFlexible hours$150k - $220k
...grade features end to end. You’ll work closely with designers, engineers, and product leaders who care deeply about the craft of... ...solving meaningful problems. ~6+ years building and shipping full-stack web apps - experience with Next.js, React, TypeScript, or PostgreSQL...SeniorFull timeWork at officeParambil
New York, NY12 hours ago$175k - $225k
...Senior Full Stack Engineer About Fonzi AI We're a well-funded, fast-growing startup revolutionizing hiring through AI. Recently launched, we've already attracted thousands of top engineers to our platform. Our vision is to build an AI-powered recruiting marketplace...SeniorFull timeWork at officeImmediate startFlexible hours3 days per weekFonzi
New York, NY12 hours ago$166.6k - $208.3k
...through the skies. It embodies the elegance of simplicity in engineering, transforming the demanding task of controlling an aircraft... ...product engineering group is growing and we’re looking to hire senior full-stack engineers . We’re a team of pragmatic, product-minded...SeniorFull timeMercury
New York, NY12 hours ago$95.55k - $195.25k
...operate our business, and create value. Recruiting for this role ends on May 31, 2027. What You’ll Do As a Deloitte Tax Full Stack Engineer, Senior you’ll design, develop, and deploy cutting-edge web applications and features that solve key business challenges. You’ll...SeniorWork at officeLocal areaVisa sponsorshipShift work2 days per week3 days per week$120k - $200k
Senior Vice President, Full-Stack EngineerAt BNY, our culture allows us to run our company better and enables employees’ growth and success. As a... ...a future team member for the role of Senior Full-Stack Engineer to join our middle office platform team. This role is located...SeniorTemporary workWork experience placementWork at officeWorldwide$250k - $300k
...extraordinary.We’re seeking a future team member for the role of Senior Director, Security Engineer - Digital Asset Custody to join our Digital Asset... ...Underrepresented racial and ethnic groups/Females/Individuals with Disabilities/Protected Veterans.Full timePosting Date: 2026-04-23SeniorTemporary workWork experience placementRemote workWorldwideFlexible hours- ...employees. Your expertise fuels innovation, agility, and growth — driving the company's success.New York Life is looking for a Full Stack Engineer to join the technology team to design and execute the company's modern software development strategy. You will work with our...SeniorLocal area3 days per week
$100k - $143k
...Role OverviewJoin Enterprise Intelligence as an Associate Product Engineer supporting the Decision Intelligence team. This role is designed... ...at the point of decision-making.You will contribute across the full product lifecycle—from translating wireframes into production-...SeniorInternshipLocal area3 days per week$150k - $180k
...continue working together effectively. For those who reside full-time in NYC, SF, or LA: we have a hybrid work policy of... ...do at EDO, please visit EDO Press . The Role As a Senior Full Stack Engineer at EDO, you will write software that presents our world-class...SeniorFull timeWork experience placementWork at officeImmediate startRemote workFlexible hoursShift workEdo
New York, NY12 hours ago$120k - $200k
...We’re seeking a future team member for the role of Senior Vice President to join our Middle Office Engineering Platform team. This role is located in Pittsburgh or... ..., Company or individual department/team performance, and market factors.Full timePosting Date: 2026-06-04SeniorTemporary workWork at officeWorldwideFlexible hours$102k - $250k
Senior Vice President, Full-Stack EngineerAt BNY, our culture allows us to run our company better and enables employees’ growth and success. As a... ...member for the role of Senior Vice President, Full-Stack Engineer to join our Equities Engineering team in Execution Services...SeniorTemporary workWork experience placementWorldwideFlexible hoursShift work$140k - $180k
...Senior Engineer As a senior engineer, you will scale Santé from 100 to 5,000 stores with a disciplined approach to testing and building reliable, predictable systems. We're looking for a seasoned engineer with world-class taste, clear thinking, and a strong desire to...SeniorWork at officeSanté
New York, NY4 days ago- ...Job Title: Senior Full-Stack Engineer Location: Denver, CO or New York City, NY (100% Onsite) Type: Contract Duration: 12+ Months 10/10 Communication USC/GC RESPONSIBILITIES Design, develop, test, deploy, and maintain high...SeniorContract workWork experience placement
3B Staffing LLC
New York, NY4 days ago $200k - $250k
...rare opportunity to join a founding team of elite builders (8 engineers, all technical) with deep roots in AI and crypto. The project... ...asset manager. Who We're Looking For: We're hiring a Full-Stack Enginee r who thrives in high-intensity environments and wants...SeniorWork at officeRemote workAverity
New York, NY1 day ago$240k
...Senior Full Stack Engineer - High-Impact Product Work (Fintech) NYC (Hybrid 2x/week) | Up to ~$240,000 base + strong equity I'm hiring a full stack engineer for a high-growth NYC fintech, building the tools that help banks and startups make critical decisions...SeniorORBIS
New York, NY2 days ago- ...building something groundbreaking. As a full-time team member, you won’t just shape the... ...are actively looking for a full-time Full Stack Developer. Please note that this is a... ...You will start as a Full Stack Software Engineer for Zealthy, joining a team of 5 full-time...SeniorFull timeRemote workMonday to FridayFlexible hours
Zealthy
New York, NY1 day ago $225k
...Senior Full Stack Software Engineer (AI and Analytics Platform) New York - 4 Days Per Week in Office Up to $225,000 + 20% Bonus This is an opportunity to join a small, high-impact innovation team building a production-grade analytics product from scratch....SeniorWork at officeHarnham
New York, NY1 day ago- ...Senior Software Engineer We are looking for senior software engineers for fully remote opportunities. If you're a glass-half-full "student of the game" that thrives on new challenges and cares... ...with Node, Ruby, and other full-stack technologies is also important...SeniorRemote work
Hire Life Recruiting and Consulting
New York, NY4 days ago - ...rigorous problem-solving, and obsessive attention to detail. Our engineering team is elite, our lawyers ship code every day, and we are... ...What We Look For ~6-20+ years of experience as a full stack engineer or product engineer at a leading startup, growth stage...SeniorFull timeWork at officeFlexible hoursDay shift
Sandstone
New York, NY12 hours ago - ...Full stack Engineer Whippany,NJ - Hybrid Hybrid (Mandatory to be in office 3 days a week) Contract Responsibilities: Senior Full Stack Engineers lead the design, development, and deployment of mission critical software systems. They shape engineering standards...SeniorContract workWork at office3 days per week
Experis/Manpower Group
New York, NY5 days ago $160k - $180k
...Description Senior Full Stack Engineer Full-time New York City, NY, US Exclusive confidential search - details shared with qualified applicants. Benefits You'll Love ~ Equity upside and ownership opportunity Become a Key Player as a Senior...SeniorHourly payFull timeNextDeavor
New York, NY1 day ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Full Stack Engineer. Be the first to apply!
Related searches
- lead full stack java developer New York, NY
- full stack.net developer New York, NY
- mean stack developer New York, NY
- senior full stack developer New York, NY
- full stack cloud developer New York, NY
- junior full stack developer New York, NY
- full stack react developer New York, NY
- mid level full stack developer New York, NY
- java full stack angular developer New York, NY
- senior java full-stack developer New York, NY