13 results for React Developer in Melville, NY

Software Developer

New York, NY
onsite
Permanent
200000 - 250000 USD / Yearly
We are looking for a talented Software Developer to join our dynamic team in New York, New York. In this role, you will use your expertise in C++ to develop high-performance systems that support critical trading and research operations. This position offers an exciting opportunity to work on innovative technology in a fast-paced environment. Responsibilities: • Develop efficient, low-latency C++ applications that support order management, exchange connectivity, and real-time market data systems. • Enhance the scalability and performance of existing trading infrastructure to meet the demands of high-frequency trading. • Collaborate with team members to design and implement distributed systems that align with business requirements. • Conduct performance monitoring and optimization for Linux-based systems to ensure reliability and efficiency. • Troubleshoot and resolve software bugs using tools such as Atlassian Jira and GitHub. • Participate in Agile Scrum processes to ensure timely delivery of projects and features. • Integrate APIs and develop backend solutions to enhance system functionality. • Stay updated on emerging technologies and propose innovative solutions to improve the trading platform. • Work closely with researchers and traders to understand technical requirements and deliver tailored solutions.
2026-03-05T00:00:00Z

Software Developer

Stamford, CT
onsite
Permanent
90000 - 120000 USD / Yearly
We are looking for a skilled Software Developer to join our dynamic team in Stamford, Connecticut. In this role, you will design and implement innovative software solutions while collaborating closely with cross-functional teams. The ideal candidate possesses strong expertise in modern programming languages and frameworks, paired with a commitment to delivering high-quality, scalable applications. Responsibilities: • Develop and maintain backend systems using Node.js to ensure robust and reliable functionality. • Build intuitive and responsive user interfaces with React or similar frontend frameworks. • Design, implement, and optimize database solutions using relational databases such as PostgreSQL. • Create and execute unit and integration tests to validate software performance and reliability. • Collaborate with team members to define project requirements and deliver high-quality software solutions. • Utilize APIs to enhance functionality and streamline system integration. • Apply best practices in software development, including CI/CD concepts and DevOps methodologies. • Troubleshoot and debug applications to ensure smooth user experiences. • Stay up-to-date with emerging technologies to continuously improve development processes. • Contribute to projects involving accounting-heavy or manufacturing-related systems.
2026-03-10T00:00:00Z

Software Developer

Stamford, CT
onsite
Permanent
90000 - 120000 USD / Yearly
We are looking for a skilled Software Developer to join our dynamic team in Stamford, Connecticut. The ideal candidate will have a strong technical background and a passion for creating efficient, scalable, and user-friendly applications. This role requires collaboration with cross-functional teams to deliver high-quality software solutions. Responsibilities: • Develop and maintain backend applications using Node.js to ensure optimal performance and scalability. • Build and enhance user interfaces with React or similar frontend frameworks to create seamless user experiences. • Design and manage relational databases, such as PostgreSQL, for effective data storage and retrieval. • Implement unit and integration testing processes to validate software functionality and reliability. • Collaborate with API frameworks to integrate third-party services and enhance system capabilities. • Utilize your understanding of CI/CD concepts and DevOps practices to support continuous development and deployment workflows. • Apply knowledge of accounting-heavy or manufacturing systems to address industry-specific requirements. • Participate in code reviews and provide constructive feedback to improve overall code quality. • Troubleshoot and resolve technical issues to maintain system functionality and performance. • Work closely with stakeholders to gather requirements and deliver solutions that meet business objectives.
2026-03-10T00:00:00Z

Software Developer

Stamford, CT
onsite
Permanent
90000 - 120000 USD / Yearly
We are looking for a skilled Software Developer to join our dynamic team in Stamford, Connecticut. In this role, you will design, develop, and maintain robust software applications using modern technologies. The ideal candidate will have expertise in both frontend and backend development and a passion for creating efficient and scalable solutions. Responsibilities: • Develop and maintain backend systems using Node.js to ensure reliable application performance. • Build user-friendly interfaces with React or similar frontend frameworks. • Collaborate with cross-functional teams to design and implement relational database solutions using PostgreSQL or other technologies. • Write and execute unit tests to ensure code quality and functionality. • Apply integration testing practices to validate application workflows. • Work with APIs to integrate third-party services and enhance system capabilities. • Participate in CI/CD processes and DevOps practices to streamline software deployment. • Troubleshoot and resolve software issues, ensuring seamless user experiences. • Contribute to projects in industries such as manufacturing or accounting-heavy systems, leveraging domain knowledge where applicable.
2026-03-10T00:00:00Z

C++ Developer

New York, NY
onsite
Permanent
150000 - 250000 USD / Yearly
We are looking for a skilled C++ Developer to join our dynamic team in New York, New York. The ideal candidate will contribute to building and maintaining high-performance systems, ensuring reliability and scalability while delivering commercial-grade software solutions. This role is perfect for someone with a passion for system-level programming and a commitment to excellence in software development. Responsibilities: • Design, develop, and optimize high-performance transactional systems using modern C++. • Collaborate with team members to implement multithreading and inter-process communication solutions. • Work on system-level programming tasks, including those close to the operating system call layer. • Support the integration of order management systems and market data feeds into software solutions. • Utilize Python and SQL Server to enhance system functionality and data management. • Ensure the software adheres to protocol standards and meets business requirements. • Troubleshoot and resolve technical challenges in production environments. • Maintain up-to-date knowledge of industry trends and incorporate the latest C++ language features. • Contribute to team discussions and share ideas to improve development processes.
2026-03-12T00:00:00Z

Full Stack Software Engineer (React / Node)

Englewood Cliffs, NJ
onsite
Permanent
110000 - 140000 USD / Yearly
We are seeking a reliable, business-aligned Full Stack Delivery Engineer to take ownership of critical systems and ensure consistent, predictable delivery across our technology stack. This role is ideal for a developer who values shipping working software, collaborating across disciplines, and operating within real-world constraints. You will work on production systems that directly impact operations, revenue, and customer experience. We are not looking for a “10x developer”. We are looking for someone who finishes what they start, documents what they build, and treats deadlines seriously. What Success Looks Like in This Role<ul><li>Features ship when expected</li><li>Progress is visible weekly</li><li>Estimates are conservative and reliable</li><li>Systems are understandable by others</li><li>No single person becomes a bottleneck</li></ul>Key ResponsibilitiesDelivery & Execution<ul><li>Deliver production-ready features tied to clear milestones and acceptance criteria</li><li>Break work into small, testable, demoable increments</li><li>Communicate risks early and adjust plans based on reality—not optimism</li></ul>Front-End Development<ul><li>Build and maintain responsive front-end applications using modern frameworks such as React or Next.js</li><li>Integrate front-end components cleanly with backend APIs</li><li>Prioritize usability and operational clarity over visual perfection</li></ul>Back-End & Systems Integration<ul><li>Build and maintain backend services and APIs (Node.js / TypeScript; Rust familiarity is a plus)</li><li>Integrate with third-party services including Stripe, shipping providers, and messaging systems</li><li>Work with inventory, asset tracking, and operational data systems</li></ul>Data & Infrastructure<ul><li>Design and work with relational databases (PostgreSQL / MySQL preferred)</li><li>Write safe, understandable data migrations</li><li>Support logging, monitoring, and observability for production systems</li></ul>Collaboration & Accountability<ul><li>Work closely with operations, product, and leadership—not just engineers</li><li>Document APIs, assumptions, and system behavior</li><li>Participate in code reviews with an emphasis on clarity and maintainability</li><li>Accept review and feedback without defensiveness</li></ul>
2026-02-25T00:00:00Z

Software Engineer

New York, NY
onsite
Permanent
160000 - 240000 USD / Yearly
We are looking for a skilled Software Engineer to join our dynamic team in New York, New York. This role is ideal for a driven, detail-oriented individual with expertise in full-stack development and a passion for creating high-performance applications. The ideal candidate thrives in fast-paced environments and enjoys building solutions that delight users. Responsibilities: • Develop and maintain full-stack applications using TypeScript, React, and React Native. • Design, implement, and optimize low-latency systems and performance-sensitive software. • Collaborate with cross-functional teams to deliver high-quality solutions that meet user needs. • Contribute to the development of mobile applications with expertise in React Native. • Write clean, efficient, and scalable code to ensure optimal application functionality. • Debug and troubleshoot technical issues to maintain system reliability. • Participate in code reviews and provide constructive feedback to team members. • Stay up-to-date with emerging technologies and incorporate best practices into development processes. • Work in an entrepreneurial environment, taking ownership of projects and driving them to completion. • Engage with product teams to understand user requirements and deliver impactful solutions.
2026-03-12T00:00:00Z

Software Engineer

New York, NY
onsite
Permanent
160000 - 250000 USD / Yearly
We are looking for a talented Software Engineer to join our dynamic team in New York, New York. In this role, you will leverage your expertise in full-stack development to create innovative software solutions that enhance user experiences. If you thrive in fast-paced environments and enjoy building impactful applications, this opportunity is perfect for you. Responsibilities: • Design, develop, and maintain high-quality software solutions using TypeScript, React, and React Native. • Collaborate with cross-functional teams to deliver seamless user experiences across web and mobile platforms. • Optimize applications for performance and scalability, ensuring low-latency and efficient functionality. • Implement and test new features to continuously improve product offerings. • Troubleshoot and resolve technical issues to maintain system reliability. • Contribute to the development of performance-sensitive applications that meet user needs. • Participate in code reviews and provide constructive feedback to uphold coding standards. • Stay updated on industry trends and emerging technologies to drive innovation. • Apply entrepreneurial thinking to create solutions in a startup environment. • Work on projects related to sports or similar industries, if applicable.
2026-03-12T00:00:00Z

Software Engineer

Oyster Bay, NY
onsite
Permanent
100000 - 140000 USD / Yearly
We are on the search for a Software Engineer to join our team located in Oyster Bay, New York. The role encompasses processing customer applications, maintaining customer records, and resolving customer inquiries. The Software Engineer will also monitor customer accounts and take suitable action. Responsibilities • Develop and test software using VB or Objective C • Implement systems design and software development • Conduct unit testing and integrated system testing • Develop databases using Oracle and/or SQL • Work collaboratively within a team or independently as required • Handle customer inquiries and resolve them efficiently • Process customer credit applications with accuracy • Maintain customer credit records meticulously • Monitor customer accounts and take necessary action • Gain knowledge of Inventory and Manufacturing-related systems
2026-03-13T00:00:00Z

DevOps Engineer

New York, NY
onsite
Permanent
175000 - 220000 USD / Yearly
We are looking for a Systems Administrator to help drive technology modernization and operational excellence. We are seeking IT professionals with a strong background in systems administration or infrastructure operations, eager to support mission-critical initiatives and grow into senior infrastructure roles.Qualifications:<ul><li>2–5 years of experience in systems administration or infrastructure operations; helpdesk/NOC backgrounds with relevant exposure also considered. (Based on general knowledge)</li><li>Proven expertise in Linux system administration. (Based on general knowledge)</li><li>Familiarity with enterprise infrastructure, including storage, virtualization, and networking. (Based on general knowledge)</li><li>Hands-on experience with monitoring systems such as Zabbix, Grafana, or Prometheus. (Based on general knowledge)</li><li>Basic scripting skills (e.g., Bash, Python) and a strong interest in further developing automation capabilities. (Based on general knowledge)</li><li>Excellent written communication for documentation and process development. (Based on general knowledge)</li><li>Ability to respond quickly and decisively during support rotation and system issues. (Based on general knowledge)</li><li>Comfortable leveraging AI tools for troubleshooting, documentation, and automation with a disciplined approach to validating outputs. (Based on general knowledge)</li><li>Growth mindset: eagerness to learn, develop, and advance into senior infrastructure roles over time. (Based on general knowledge)</li></ul>
2026-03-12T00:00:00Z

DevOps Engineer

New York, NY
onsite
Permanent
175000 - 220000 USD / Yearly
Join our dynamic technology team as a Site Reliability Engineer (SRE) or Platform Engineer, where you’ll play a central role in building, automating, and maintaining our modern infrastructure across both on-premise and cloud environments.Qualifications:<ul><li>Bachelor’s degree in Computer Science, Engineering, or a related technical field. (Based on general knowledge)</li><li>3–5+ years of experience in SRE, Platform Engineering, or Systems Administration within fast-paced environments. (Based on general knowledge)</li><li>Strong Python scripting skills. (Based on general knowledge)</li><li>Deep hands-on experience with Kubernetes (deployment, management, troubleshooting); OpenShift experience is a plus. (Based on general knowledge)</li><li>Proficiency with Docker/Podman and internal image management. (Based on general knowledge)</li><li>Solid experience with Ansible and Terraform; Puppet knowledge is helpful. (Based on general knowledge)</li><li>Familiarity with CI/CD workflows; experience with ArgoCD (preferred) or Flux for GitOps. (Based on general knowledge)</li><li>Proficiency with Grafana and Prometheus; exposure to Grafana Cloud/Alloy is desirable. (Based on general knowledge)</li><li>Experience with incident management and on-call tools such as Rootly, Opsgenie, or PagerDuty. (Based on general knowledge)</li><li>Security-first mindset with exposure to DevSecOps practices, including SonarQube, SAST, and CVE scanning. (Based on general knowledge)</li><li>Proven experience with both on-premise and cloud infrastructure:</li><li>On-Premise: Primary experience with Kubernetes clusters; familiarity with Proxmox is desirable.</li><li>Cloud: AWS and GCP experience (with a growing footprint), managed via Terraform. (Based on general knowledge)</li></ul>If you’re passionate about automation, reliability, and working at the forefront of scalable infrastructure, we invite you to apply.
2026-03-12T00:00:00Z

Full Stack Engineer

New York, NY
onsite
Temporary
61.75 - 71.5 USD / Hourly
Must have skills: • 3–6 years of professional software engineering experience, with a strong portfolio of full stack development work. • Proficiency in Python, including experience with web frameworks such as Flask or Dash. • Experience integrating frontend applications with RESTful APIs and backend services. • Relational and non-relational databases: SQL, MongoDB, and/or Snowflake using Python. • Designing data models for effective data storage and retrieval (preferably SQL, MongoDB, Snowflake). • Debugging, issue resolution, and troubleshooting. • Developing systems integrated with cloud services, such as for storage or secrets management (preferably AWS). • Designing and troubleshooting ETL pipelines. • Developing REST APIs using Python frameworks (preferably Flask). • Publishing Python packages, maintaining them, and building Python CLI tools. • Deploying REST APIs in containerized environments (Kubernetes), working with other developers in the team to integrate those APIs with web applications. Nice to have skills: • Exposure to financial systems, SEC API, and/or corporate credit modeling is strongly preferred. • Familiarity with UX design tools (Figma) and solid understanding of the design-engineering hand-off process • Familiarity with deployment pipelines, CICD tools (preferably GitLab). • Configuring observability and alerting services (preferably Datadog and Opsgenie). • Containerized development and deployment (i.e. Docker, Kubernetes) • Writing infrastructure as code (preferably Terraform). • Integrating managed authentication services (preferably Auth0). • Familiarity with LLM Document Parsing and Data Framework services (preferably LlamaParse and LlamaIndex) • Familiarity with LLM Observability tooling (preferably Weave) • Experience with the OpenAI SDK • Experience with Vector Databases (preferably MongoDB)
2026-02-18T00:00:00Z

Full-Stack Software Engineer

Mahwah, NJ
onsite
Permanent
110000 - 130000 USD / Yearly
Job Title: Full-Stack Software DeveloperLocation: Bergen County, New Jersey (Hybrid or Onsite Options Available) We are seeking a skilled Full-Stack Software Developer to help build and maintain high-performance web applications across both backend systems and user-facing interfaces. The ideal candidate will have a strong technical foundation, a proactive mindset, and a willingness to take ownership of projects from concept through deployment.Responsibilities<ul><li>Design, develop, and maintain full-stack web applications using ASP.NET, .NET Core, C#, SQL, and Entity Framework</li><li>Develop and maintain RESTful APIs and backend services that support internal and external applications</li><li>Build and enhance responsive front-end interfaces using Angular and NGRX</li><li>Integrate front-end components with backend APIs and services to deliver seamless user experiences</li><li>Collaborate with cross-functional teams to define requirements, system architecture, and technical solutions</li><li>Write clean, maintainable, and well-documented code across both front-end and back-end components</li><li>Participate in code reviews and help improve development standards and best practices</li><li>Troubleshoot and resolve issues across the full application stack, including database, API, and UI layers</li><li>Contribute to Agile development processes, including sprint planning, standups, and retrospectives</li></ul>
2026-03-06T00:00:00Z