1

Senior Software Engineer Jobs in Rensselaer, NY (NOW HIRING)

Senior Software Engineer

Rensselaer, NY · On-site

$121K - $160K/yr

The Senior Software Engineer is responsible for the design, development, and maintenance of software products. A Senior Software Engineer performs full stack development, including front end, ...

Senior Software Engineer

Rensselaer, NY · On-site

$121K - $160K/yr

The Senior Software Engineer is responsible for the design, development, and maintenance of software products. A Senior Software Engineer performs full stack development, including front end, ...

Senior Software Engineer

Latham, NY · On-site

$118K - $156K/yr

Senior Software Engineer - GP Enterprise Solutions As a Senior Software Engineer at GPES, you'll manage the end-to-end lifecycle of a development projects, from local development and version control ...

Senior Software Engineer

Latham, NY · On-site

$118K - $156K/yr

Senior Software Engineer - GP Enterprise Solutions As a Senior Software Engineer at GPES, you'll manage the end-to-end lifecycle of a development projects, from local development and version control ...

Senior Software Engineer

Latham, NY · On-site

$118K - $156K/yr

Senior Software Engineer GP Enterprise Solutions As a Senior Software Engineer at GPES, you'll manage the end-to-end lifecycle of a development projects, from local development and version control ...

Senior Software Engineer (Onsite)

Albany, NY · On-site

$121K - $160K/yr

Who We're Looking For We're looking for a highly motivated Mid-Level to Senior Software Engineer who enjoys building products from the ground up and wants meaningful ownership over both the ...

Senior Software Engineer (Onsite)

Albany, NY · On-site

$121K - $160K/yr

Who We're Looking For We're looking for a highly motivated Mid-Level to Senior Software Engineer who enjoys building products from the ground up and wants meaningful ownership over both the ...

Senior Software Engineer (Onsite)

Albany, NY · On-site

$121K - $160K/yr

Who We're Looking For We're looking for a highly motivated Mid-Level to Senior Software Engineer who enjoys building products from the ground up and wants meaningful ownership over both the ...

Senior Software Engineer

Schenectady, NY · On-site

$105K - $140K/yr

Who We're Looking For We're in search of a Senior Software Engineer to join our team right away. Our ideal candidate will boast a solid foundation in software engineering and experience within cloud ...

Senior Software Engineer

Schenectady, NY · On-site +1

$105K - $140K/yr

Who We're Looking For We're in search of a Senior Software Engineer to join our team right away. Our ideal candidate will boast a solid foundation in software engineering and experience within cloud ...

Senior Software Engineer

Schenectady, NY · On-site +1

$105K - $140K/yr

Who We're Looking For We're in search of a Senior Software Engineer to join our team right away. Our ideal candidate will boast a solid foundation in software engineering and experience within cloud ...

As a Senior Software Engineer, Java within PNC's Retail Studio organization, you will be based in Pittsburgh, PA; Cleveland, OH; Dallas, TX; Denver, CO; or Birmingham, AL. PNC is an in-office company ...

next page

Showing results 1-20

Senior Software Engineer information

See Rensselaer, NY salary details

$75K

$142.3K

$190.6K

How much do senior software engineer jobs pay per year?

As of Aug 20, 2026, the average yearly pay for senior software engineer in Rensselaer, NY is $142,266.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,600.00 and $160,300.00 per year, depending on experience, location, and employer.

What is a senior software engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

What are the key skills and qualifications needed to thrive as a senior software engineer, and why are they important?

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.

What are some common challenges senior software engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

What is the difference between Senior Software Engineer vs Software Developer?

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

What does a senior software engineer do?

A senior software engineer designs, develops, and maintains software applications, often leading projects and mentoring junior team members. They analyze requirements, write code, perform testing, and collaborate with cross-functional teams to ensure quality and efficiency. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.

What are the most commonly searched types of Software Engineer jobs in Rensselaer, NY?

The most popular types of Software Engineer jobs in Rensselaer, NY are:

What are popular job titles related to Senior Software Engineer jobs in Rensselaer, NY?

For Senior Software Engineer jobs in Rensselaer, NY, the most frequently searched job titles are:

What job categories do people searching Senior Software Engineer jobs in Rensselaer, NY look for?

The top searched job categories for Senior Software Engineer jobs in Rensselaer, NY are:

What cities near Rensselaer, NY are hiring for Senior Software Engineer jobs?

Cities near Rensselaer, NY with the most Senior Software Engineer job openings:

Infographic showing various Senior Software Engineer job openings in Rensselaer, NY as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, and 4% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $142,266 per year, or $68.4 per hour.

Senior Software Engineer

New York ISO

Rensselaer, NY • On-site

$121K - $160K/yr

Full-time

Posted 13 days ago


Job description

The New York Independent System Operator (NYISO) applies cutting-edge technology to operating a reliable electricity system, managing competitive markets for wholesale electricity, and planning for the Empire State's energy future.  The NYISO's Information Technology department invites applications for a full-time Senior Software Engineer to join the Reliability Technologies team.  

The Senior Software Engineer is responsible for the design, development, and maintenance of software products.  A Senior Software Engineer performs full stack development, including front end, back end, and database work where appropriate.  The position will anticipate in all phases of the Software Development Lifecycle, research new technologies, mentor other developers, collaborate with Project Managers and act as a Subject Matter Expert for their assigned application(s).  A Senior Software Engineer will participate in a 24x7x365 on-call support rotation for production applications.

ESSENTIAL DUTIES and RESPONSIBILITIES

  • Apply technical knowledge and experience in order to solve architecture and design problems.
  • Drive discussion with Business Analysts and Business Partners to interpret high-level business requirements into detailed application requirements.
  • Create software design specifications for functionality as defined in approved requirement specifications. Ensure that designs are consistent with applicable NYISO software development standards, product's architectural blueprints and industry guidelines.
  • Evaluate new technology and tools. Incorporate approved technology and tools to enhance the product development process.
  • Present technology design and related issues to technical and non-technical audiences.
  • Document product architecture plans.
  • Design and develop technical testing methods to meet target scalability and performance objectives. Perform any needed tuning of applications that do not meet those requirements.
  • Lead projects with assistance from Manager and have high visibility with other staff.
  • Mentor and coach Associate Engineers and Engineers.
  • Serve as subject matter expert across the organization for the application(s) supported.
  • Provide software subject matter expertise and support for all phases of the NYISO software development lifecycle; including requirements, design, development, testing, deployment and post-production support.
  • Interact with Project Managers in all phases of project lifecycle. Provide task estimates and work breakdown structures. Provide advice on feasibility and project status
  • Manage resource allocations for Software Engineers on the project team and track their progress
  • Perform software development activities in support of the NYISO mission and business objectives. Create and/or refactor software programs as defined in approved specifications and designs.
  • Create automated unit and functional tests to ensure software changes are reasonably free from defects.
  • Provide post-production application support as required. Support responsibilities may include consultation, problem identification, data analysis and/or emergency repairs.  Resolve customer inquiries and respond to suggestions for improvement and enhancements.
  • Requirements for support of mission-critical systems entails 24x7x365 coverage.
  • Develop user interfaces for web-based applications, incorporating best practices and NYISO standards for usability and design. Create and review mockups with Business Partners as necessary. 
  • Incorporate industry and NYISO best practices for web application security into all software design and development work. Review and address web application security issues identified by secure SDLC tooling.
  • Participate in penetration-testing of NYISO-developed applications. Review results with Managers and create mitigation plans for supported applications.
  • Collaborate with third-party vendors to support and troubleshoot issues identified in their applications. Update internal documentation as necessary based on product changes.  Review impacts to NYISO processes with Supervisor and Business Partners and support deployment of updated applications.
  • Responsible to ensure that project team follows guidelines for source code management, collaborate with Release and Control team during code deployments.
  • Take ownership of application code, lead code reviews and suggest changes that will increase performance, security, maintainability or standards compliance.
  • Design, create and/or update database tables needed by applications.
  • Design, create and/or update SQL and/or PL/SQL statements used by applications.
  • Instrument and tune of existing database tables and queries.
  • Collaborate with other Software Engineering and IT teams as needed and Project Managers to manage changes to supported applications. Partner with other IT teams to resolve configuration, deployment, or environmental issues.
  • Perform data profiling to ensure that application performance targets and database capacity needs will be able to be met in the future.
  • Partner with Manager in strategic planning for supported applications. Create and update roadmap documentation including plans for technology upgrades and usability enhancements.
  • Participate in continuous learning to improve technical skills as required.

QUALIFICATIONS:

  • Bachelor's Degree (BS), Computer Science or Information Systems required.
  • Seven years performing software development in a multi-dimensional team setting
  • Energy/Utility industry experience desired
  • Experience with cloud development platforms (AWS, Docker, Kubernetes) desired 
  • Java, JavaScript, SQL experience required
  • Oracle PL/SQL experience desired 
  • Experience leveraging AI-assisted software development tools (e.g., GitHub Copilot, M365 Copilot, AI-powered code analysis and testing tools) to improve developer productivity, code quality, and delivery efficiency. Knowledge of AI-generated code review and validation practices desired
  • Demonstrated ability to identify, evaluate, and implement AI and automation opportunities that improve operational efficiency, system reliability, software quality, or business processes

CERTIFICATES, LICENSES, REGISTRATIONS

  • SANS Security Awareness training or equivalent desired
  • GIAC Secure Software Programmer - Java certification desired

ADDITIONAL REQUIREMENTS

  • Ability to read, analyze and interpret common scientific and technical journals, financial reports and legal documents.  Ability to respond to common inquiries or complaints from market participants, regulatory agencies or members of the business community.  Ability to write clear technical documentation that conforms to prescribed style and format.  Ability to effectively present information to top management, public groups and/or boards of directors.
  • Ability to comprehend and apply principles of advanced calculus, modern algebra and advanced statistical theory.  Ability to work with concepts such as limits, rings, quadratic and differential equations and proofs of theorems.
  • Ability to apply principles of logical or scientific thinking to a wide range of intellectual and practical problems.  Ability to deal with nonverbal symbolism (formulas, scientific equations, graphs, etc.) in its most difficult phases.  Ability to deal with a variety of abstract and concrete variables.
  • Intermediate competency in Windows operating environment using MS Office applications, e-mail and Internet programs. 

PHYSICAL DEMANDS

While performing the duties of this job, the employee is regularly required to talk or hear.  The employee frequently is required to stand, walk, sit and use hands to perform routine office tasks.  The employee is occasionally required to reach with hands and arms.  The employee must occasionally lift and/or move up to 15 pounds. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

WORK ENVIRONMENT

The noise level in the work environment is usually moderate.  Contact with staff and public will occur.  Travel may be required to attend and/or conduct meetings, conferences and training. This position may require work on nights, weekends or holidays. 

At the NYISO, we realize the importance of balancing the availability of remote work with the inherent value of bringing people together to attain success in the areas of maximum collaboration, relationship building and growth, teamwork, innovation and problem solving, as well as professional development and mentoring. In this role, you will be required to work onsite from our Rensselaer, NY location several days per workweek, with the option to work remotely on the remaining days. You will also be expected to respond to all business needs that may require any increase to the regular onsite requirements.

The NYISO takes pride in recruiting, developing and retaining highly talented individuals. In addition to competitive salaries, we offer a comprehensive benefits package and innovative reward programs.

All offers of employment will be made contingent upon the successful completion of a drug screening and background check.

The NYISO is an Equal Opportunity Employer and as such, does not discriminate in its hiring or employment practices.

#LI-Onsite