Seeking a Senior Software Engineer for a full-time, on-site role in New York. Responsibilities include end-to-end feature delivery, driving technical excellence, and elevating code quality. Requires 3-5 years of backend experience, proficiency in a backend language, and a Computer Science degree.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job Description
Job Title: Senior Software Engineer Company: Cognistack Location: New York, NY (On-site) Employment Type: Full-time Salary: $160,000 - $190,000/year + Equity
About Cognistack At Cognistack, we deliver more than talent—we deliver the future. We specialize in connecting high-growth startups and innovation-driven enterprises with elite talent across AI/ML, core engineering, cloud, cybersecurity, and enterprise technology.
Our approach is consultative, agile, and built for scale—designed to help companies grow faster, hire smarter, and build transformational teams. Whether you're scaling your engineering org, launching a disruptive SaaS product, or expanding your digital infrastructure, Cognistack provides the recruiting power to help you hire at the speed of innovation.
Our Focus We are core startup recruiters with a sharp focus on:
- Artificial Intelligence & Machine Learning
- Cloud, DevOps, and Platform Engineering
- Robotics & Data Infrastructure
- Cybersecurity & Data Privacy
- Workday & Enterprise ERP
- Fintech & Digital Health
We work with clients across Series A to Fortune 500, providing permanent, contract, and embedded recruiter solutions.
Why Cognistack? You need more than resumes. You need a partner who understands technology, culture fit, and the urgency of building in real time. Our recruiters come from technical and startup backgrounds, allowing us to:
- Speak the language of engineers and founders
- Deliver qualified shortlists in days—not weeks
- Build long-term pipelines, not one-time hires
We combine next-gen sourcing tools with trusted industry relationships to help you hire fast—without compromising quality.
Searching for Development & Programming roles that provide visa sponsorship? Connect with international employers through Development & Programming Jobs with Visa Sponsorship opportunities actively seeking talented professionals.
Role Overview Cognistack is hiring a Senior Software Engineer to join our team full-time, on-site in New York.
- Number of Openings: 12
- Work Policy: 5 days in-office in New York
- Visa Sponsorship: H-1B transfers and TN visas supported. No new H-1B sponsorship. (Visa transfers by default; case-by-case discussion). Please do not apply if you are from outside the USA and Canada.
- Relocation: Open to relocation for strong non-NYC candidates (must relocate within 60 days).
Key Responsibilities
- Own Feature Delivery End-to-End
- Independently scope, design, and ship features across the stack — from targeted enhancements to multi-system integrations.
- Make architectural decisions within your scope that balance long-term maintainability with immediate delivery pressure.
- Identify and resolve technical blockers proactively, escalating strategically when you've exhausted reasonable options.
- Drive Technical Excellence with Business Context
- Translate product requirements into technical solutions, probing for edge cases and constraints that partners may not have considered.
- Articulate trade-offs between technical approaches using concrete examples: performance implications, development time, operational complexity, and user impact.
- Contribute meaningfully to technical discussions with data-driven recommendations, pushing back constructively when proposals create technical debt.
- Navigate Ambiguity and Accelerate Team Velocity
- Work effectively when requirements are unclear or changing, asking clarifying questions that expose hidden assumptions and unblock progress.
- Reduce coordination overhead by anticipating dependencies — notifying other teams before your work affects them.
- Take ownership of problems outside your immediate scope when they block team progress.
- Elevate Code Quality and Engineering Standards
- Write maintainable, well-tested code that other engineers can build upon without extensive context.
- Provide thoughtful code review feedback that catches not just bugs but architectural issues before they compound.
- Contribute to technical documentation and knowledge sharing that reduces onboarding friction and scales team effectiveness.
- Embrace AI-Driven Innovation
- Actively use AI tools (Cursor, Copilot, ChatGPT) to accelerate your development velocity and code quality.
- Identify opportunities where AI capabilities can improve product features or internal workflows.
- Share learnings about effective AI usage patterns with your team.
Explore our comprehensive directory of visa sponsorship jobs from employers worldwide who are ready to sponsor talented international professionals.
Requirements
- 3-5 years of backend software engineering experience.
- Strong proficiency in at least one backend language (Python, Java, Go, or similar) with ability to write clean, testable code.
- Solid understanding of APIs, databases, and web technologies.
- Experience providing constructive code review feedback that improves team standards.
- Computer Science Degree.
Interested in opportunities specifically in United State? Discover our dedicated Visa Sponsorship Jobs in United State page featuring roles from top employers in this location.
Bonus Skills
- Interest in fintech, consumer finance, or mission-driven companies.
- Track record of working effectively with product managers and cross-functional partners to deliver business outcomes.
- Experience making technical decisions that balance delivery speed with long-term system health.
- Proven ability to work on complex problems without constant direction.
- Track record of fixing issues outside assigned scope when they block progress.
- Experience turning ambiguous requirements into concrete solutions through clarifying questions and proposals.
- Demonstrates self-starting behavior - seeks out problems to solve rather than waiting for assignment.
- Clear written and verbal communication across technical and non-technical audiences.
- Comfortable with both documentation and real-time collaboration.
- Track record of building trust through follow-through and transparent communication about blockers.
- Active experimentation with AI development tools to improve productivity.
- Openness to feedback and commitment to continuous learning.
- Enthusiasm for emerging technologies and their practical application.
How to Apply If you have the required skills and experience, please send your resume (with details) to: 📧 skumar@cognistack.co
Join WhatsApp Group: StartupStack WhatsApp Group
Similar Jobs
Explore other opportunities that match your interests
clera
Aurora