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Top Senior Full-Stack Engineer Jobs in NYC, NY

259+ Job Results
21 Hours Ago
New York, NY
Hybrid
83 Employees
168K-220K Annually
5-7 Years of Experience
83 Employees
168K-220K Annually
5-7 Years of Experience
Fintech • Insurance • Financial Services • Cryptocurrency
Senior Full Stack Engineer role at Flourish, a fintech startup focused on providing innovative financial products for RIAs. Responsible for building scalable platforms and collaborating with cross-functional teams. Requires strong software engineering experience, expertise in Python, Java, Kotlin, TypeScript, distributed systems, and database technologies.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+60 More
3 Days Ago
New York, NY
5-7 Years of Experience
5-7 Years of Experience
Fintech • Software
Join SeedInvest as a Senior Full Stack Engineer and contribute to our mission of empowering anyone to be an angel investor. We connect startups and investors online, providing access to highly vetted startups. You will have the opportunity to own the entire lifecycle of the components you build and work collaboratively with various teams. Our tech stack includes Python/Django for the backend and we are transitioning from AngularJS to VueJS for the frontend. Remote work is currently available.
7 Days Ago
New York, NY
Hybrid
250 Employees
184K-216K Annually
5-7 Years of Experience
250 Employees
184K-216K Annually
5-7 Years of Experience
Fintech • Software • Financial Services
Alloy, a company specializing in identity risk solutions for financial institutions, is seeking a Senior Full Stack Engineer to join their Scale - Platform team. The role involves building technical tools, driving roadmap execution, and fostering a culture of continuous improvement in engineering practices. The tech stack includes JavaScript (ES6/React), Python (Django), Node.js/TypeScript, PostgreSQL, Elasticsearch, and AWS.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+60 More
2 Days Ago
New York, NY
Remote
Hybrid
45 Employees
5-7 Years of Experience
45 Employees
5-7 Years of Experience
Artificial Intelligence • Real Estate • Software • Business Intelligence
Join Northspyre as a Senior Software Engineer to design, develop, and maintain integration flows, collaborate with teams, troubleshoot issues, build UIs, and ensure site reliability. Lead and mentor engineers while participating in system design for performance and scalability.
Top Benefits:
Company Equity
Company Outings
Dental Insurance
+16 More
3 Days Ago
New York, NY
7+ Years of Experience
7+ Years of Experience
HR Tech • Marketing Tech • Software
Altru is looking for a senior full stack engineer to architect, build, and maintain web and mobile applications. The engineer will work with the CTO to ensure that the engineering work adds value for users, clients, and employees. Experience in Angular, Ruby On Rails, Vue, React Native, Redux, and React is required.
Top Benefits:
Company Outings
Company-Sponsored Family Events
Dental Insurance
+22 More
3 Days Ago
New York, NY
Remote
15 Employees
3-5 Years of Experience
15 Employees
3-5 Years of Experience
Productivity
Join Brain.fm as a Senior Full-Stack Engineer and contribute to building their mobile/web application using React, Typescript, Node.js, MongoDB, and MySQL. Collaborate with a cross-functional team to deliver rich user experiences and high-quality features. The ideal candidate should have 4+ years of experience working in a full-stack Node environment on a consumer-facing web application, be proficient in React, and have experience with creating test suites.
Top Benefits:
401-K
Company Equity
Dental Insurance
+12 More
18 Days Ago
New York, NY
Hybrid
150 Employees
163K-195K Annually
7+ Years of Experience
150 Employees
163K-195K Annually
7+ Years of Experience
Healthtech • Biotech • App development
Seeking a highly skilled and motivated Senior Full-Stack Engineer to join a dynamic engineering team responsible for designing and building scalable web applications. The role involves collaborating with cross-functional teams, developing efficient and scalable code, implementing user interfaces, writing automated tests, participating in code reviews, and staying updated with latest technologies.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+58 More
21 Hours Ago
New York, NY
Remote
Hybrid
52 Employees
120K-210K Annually
7+ Years of Experience
52 Employees
120K-210K Annually
7+ Years of Experience
Machine Learning • Security • Consulting • Cybersecurity
Axio is looking for a Senior or Staff Full Stack Software Engineer to help with their transformation to SaaS. The role involves refactoring web client logic, establishing a microservice architecture, and reinventing the UX. The right candidate will work closely with product, data science, and devops to enhance and support the products.
Top Benefits:
Company Equity
Dedicated Diversity Inclusion Staff
Documented Equal Pay Policy
+9 More

Featured Jobs

7 Days Ago
New York, NY
Hybrid
250 Employees
153K-180K Annually
5-7 Years of Experience
250 Employees
153K-180K Annually
5-7 Years of Experience
Fintech • Software • Financial Services
Collaborate with engineers, designers, and product managers to translate product and technical vision into a concrete roadmap. Architect, develop, test, and deploy customer-facing features using cutting-edge technologies. Provide technical mentorship and guidance to fellow engineers and drive product development forward.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+60 More
2 Days Ago
New York, NY
Remote
30 Employees
5-7 Years of Experience
30 Employees
5-7 Years of Experience
Healthtech • Software • Telehealth
Work as a Senior Full-Stack Software Engineer at Nourish, a company on a mission to improve people's health by making it easy to eat well. Help build and scale the core telenutrition platform and collaborate with product, design, and engineering teams. Full-time role open to remote candidates.
Top Benefits:
401-K
Dental Insurance
Flexible Work Schedule
+14 More
2 Days Ago
New York, NY
1-3 Years of Experience
1-3 Years of Experience
eCommerce • Healthtech
Seeking a full-time Full Stack Engineer for an early-stage telemedicine startup. Responsible for iterating on the existing product build to scale for user transformation and high-quality healthcare access. Opportunity to grow into a leadership role as the organization scales. Must have 1+ year of experience in engineering at early-stage high-growth startups, be experienced in Typescript, adaptive to fast-paced environments, and possess strong work ethic and ownership mindset.
21 Hours Ago
New York, NY
Hybrid
5,500 Employees
172K-303K Annually
7+ Years of Experience
5,500 Employees
172K-303K Annually
7+ Years of Experience
Artificial Intelligence • Cloud • Machine Learning • Mobile • Software • Virtual Reality • App development
Snap Inc is looking for a Full Stack Engineer with 7+ years of experience to build state-of-the-art mobile and desktop web software applications. The engineer will contribute to Snap's engineering culture by optimizing performance and analyzing operational metrics.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
23 Days Ago
New York, NY
Remote
50 Employees
7+ Years of Experience
50 Employees
7+ Years of Experience
Other • Software
Experienced full stack engineer needed to develop and troubleshoot new features for an enterprise marketplace. Must be proficient in Python, JavaScript, SQL, and database architecture. Familiarity with AWS services and React components. Remote work available on Eastern Standard Time. Competitive salary and benefits.
Top Benefits:
401-K
Adoption Assistance
Commuter Benefits
+32 More
24 Days Ago
New York, NY
45 Employees
170K-200K Annually
5-7 Years of Experience
45 Employees
170K-200K Annually
5-7 Years of Experience
Healthtech
Adonis is seeking a Senior Full Stack Engineer with 5+ years of experience in fullstack engineering using Python, TypeScript, React, Node/Express, and PostGres. The ideal candidate should have a strong product sense, prioritize smart speed, be comfortable with ambiguity, and have the ability to independently prototype and develop web applications with complex interaction patterns.
3 Days Ago
New York, NY
Remote
5-7 Years of Experience
5-7 Years of Experience
Consumer Web
CITYROW is looking for a Senior Software Engineer with full-stack capabilities to join our quickly growing team. This role is remote but based in NYC.
17 Hours Ago
New York, NY
900 Employees
101K-173K Annually
5-7 Years of Experience
900 Employees
101K-173K Annually
5-7 Years of Experience
AdTech • Big Data • Digital Media • Marketing Tech
As a Senior Software Engineer at IAS, you will provide technical leadership in building UIs for ad verification, analytics, and anti-ad fraud solutions. Responsibilities include designing and integrating user interfaces, collaborating with stakeholders, and managing software lifecycle. Ideal candidate has 5+ years of full-stack programming experience with Javascript/Typescript and REACT.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+61 More
3 Days Ago
New York, NY
Remote
20,000 Employees
143K-250K Annually
5-7 Years of Experience
20,000 Employees
143K-250K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Build high-quality, clean, scalable, and reusable code for ServiceNow's Core Platform. Collaborate with product owners to deliver high-quality products and enhance existing features. Mentor colleagues and promote knowledge-sharing within the team.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
2 Days Ago
New York, NY
Hybrid
700 Employees
199K-234K Annually
7+ Years of Experience
700 Employees
199K-234K Annually
7+ Years of Experience
eCommerce • Healthtech • Software • Telehealth
Backend engineer role at Ro, responsible for designing and building distributed services for the healthcare platform. Will lead architectural vision and collaborate with cross-functional teams. Requires 7+ years of software engineering experience and proficiency in Python.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+48 More
13 Hours Ago
New York, NY
Remote
20,000 Employees
123K-210K Annually
3-5 Years of Experience
20,000 Employees
123K-210K Annually
3-5 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Build high-quality, clean, scalable, and reusable code by enforcing best practices around software engineering architecture and processes. Work with product owners to understand requirements and own code from design to delivery. Mentor colleagues and contribute to new product features.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
2 Days Ago
New York, NY
Hybrid
127 Employees
150K-190K Annually
5-7 Years of Experience
127 Employees
150K-190K Annually
5-7 Years of Experience
Enterprise Web • Fintech • Payments • Software • Financial Services
Plan, develop, implement, and iterate on new features and products with a focus on building ACH capabilities in digital banking. Conduct code reviews, testing, and provide mentorship. Debug production issues across the stack.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+42 More
2 Days Ago
New York, NY
Remote
Hybrid
1,650 Employees
150K-185K Annually
7+ Years of Experience
1,650 Employees
150K-185K Annually
7+ Years of Experience
AdTech • Artificial Intelligence • Marketing Tech • Software • Analytics
The Senior Software Engineer will work on backend development of a machine learning/AI powered customer acquisition and CRM platform. Responsibilities include designing and implementing core components, ensuring high product quality, fixing bugs, and taking ownership of product components. The role requires at least 8 years of experience with Java, Ruby, Python, and distributed systems design and development.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
4 Days Ago
New York, NY
90 Employees
1-3 Years of Experience
90 Employees
1-3 Years of Experience
Big Data • Fintech • Information Technology • Payments • Software
Design, build, scale, and evolve backend services for Pinwheel's APIs. Collaborate across teams to deliver features and products. Mentor engineers and contribute to team growth.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+30 More
2 Days Ago
New York, NY
Hybrid
1,464 Employees
150K-200K Annually
7+ Years of Experience
1,464 Employees
150K-200K Annually
7+ Years of Experience
Fintech • Financial Services
The Backend Engineer at iCapital will play an integral role in designing and implementing systems that power the iCapital platform. Responsibilities include building cloud native services using Scala, unit and integration test development, active participation in stand-up meetings and code reviews, and more. Qualifications include 9+ years of web-based application development, experience in Scala, Node.js or Java, understanding of SSO, database concepts, and strong problem-solving abilities. Benefits include a competitive salary range, equity, annual performance bonus, comprehensive benefits package, and flexible work options.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+45 More
2 Days Ago
New York, NY
Hybrid
400 Employees
170K-240K Annually
3-5 Years of Experience
400 Employees
170K-240K Annually
3-5 Years of Experience
Fintech • Financial Services
Build highly available, horizontally scalable mission critical applications in a modern technology stack. Sharpen front-end and full stack engineering skills. Work with users to understand and define new features. Develop a deep understanding of the business domain.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+37 More
4 Days Ago
New York, NY
Remote
137 Employees
1-3 Years of Experience
137 Employees
1-3 Years of Experience
Cannabis • eCommerce • Enterprise Web • Logistics • Payments • Software • Database
LeafLink, a leading B2B cannabis platform, is seeking talented backend engineers for potential future opportunities. Join a team dedicated to revolutionizing the cannabis industry through innovative solutions and seamless transactions.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+37 More
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