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ISO New England Inc.

Java Developer

Hybrid

Holyoke, United states

$ 172,000 /year

Mid level

Full Time

30-10-2025

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Skills

Communication Java SQL PostgreSQL GitHub CI/CD DevOps Docker Kubernetes Attention to detail AWS Software Development cloud platforms Spring Spring Boot Kafka Infrastructure as Code

Job Specifications

ISO New England is the independent system operator responsible for ensuring the safe and reliable flow of electricity in our region and planning for the future of the electric grid. We are at the forefront of New England’s ongoing transition to clean energy.

Join ISO New England’s mission-critical software development team and help keep the lights on for millions across six states. As a Java Developer, your code directly supports the reliability of New England’s electric grid. From translating complex business needs into scalable solutions to maintaining the systems that power our region, your work will make a real impact.

What We Offer You

Hybrid work schedule with 2 days/week onsite
Paid on-call rotation
Relocation Assistance
Base salary plus performance bonus program, professional development and tuition reimbursement, enhanced 401k and financial planning, wellness programs with onsite gym, onsite café with free coffee, flexible work hours, access to business networks & more, all in a stable and supportive work environment!

How You Will Make An Impact

Requirements Discovery – Partner with stakeholders to gather and translate business needs into technical solutions
Full-Stack Java Development – Build and maintain enterprise-grade Java apps using Spring Boot, Java Lambdas, and modern development practices
Production Support – Own your code from development to deployment, including participation in an on-call rotation
Mentorship & Code Quality – Write clean, maintainable code and mentor junior developers through code reviews and best practices
Cross-Team Collaboration – Work with system operators, analysts, and infrastructure teams to deliver reliable solutions
Continuous Improvement – Proactively identify ways to enhance system performance, reliability, and user experience

What You Need To Be Successful In This Role

Bachelor's degree in Computer Science, Engineering, or related field
5+ years of professional Java development experience (More junior developers with strong public GitHub portfolios are welcome to apply)
Strong analysis skills – Experience gathering and documenting complex business requirements
Java expertise – Deep knowledge of Java 17+, Spring, and best practices (e.g., inversion of control, locality of behavior)
Database skills – Proficient in SQL, with experience in Oracle or PostgreSQL (including performance tuning and stored procedures)
Calm under pressure – Ability to thrive during high-pressure events, outages, and critical deadlines
Attention to detail – Proven track record of writing high-quality, reliable, well-documented code
Strong communication – Able to explain technical concepts to non-technical stakeholders—with professionalism and a bit of humor
Bonus Skills (Nice to Have)
Experience with cloud platforms (AWS preferred)
Familiarity with containerization (Docker, Kubernetes)
Understanding of energy or utility industry systems
Experience with message queues (Kafka, JMS) and event-driven architectures
Exposure to DevOps practices (CI/CD, infrastructure as code)
Background in regulated or mission-critical environments

This employer will not sponsor applicants for work visas for this position (ex: H-1B, F-1/CPT/OPT, O-1, E-3, TN, J, etc.).

The expected salary range for this position is $136,000 - $172,000 per year. This role is also eligible for an annual performance bonus, comprehensive health insurance (medical, dental and vision), flexible spending and health savings accounts, a 401(k) plan with generous employer contributions and a student debt benefit, life and AD&D insurance, disability insurance, critical illness and hospital indemnity benefits, paid time off, paid leave, a wellness program, an employee assistance program and other great company perks.

This is a U.S. based role. If the successful candidate resides outside of the U.S., relocation will be required.

Equal Opportunity: We are proud to be an EEO employer. Applicants for employment are considered without regard to race, color, religion, creed, sex (including pregnancy, childbirth, and related medical conditions), gender identity or expression, sexual orientation, citizenship, national origin, age, ancestry, marital status, disability (including learning, mental, intellectual, and physical), service in the uniformed services, genetic information, or any other status protected by applicable law.

Drug Free Environment: We maintain a drug-free workplace and perform pre-employment substance abuse testing.

About the Company

Keeping the power flowing reliably and at competitive prices to the homes, businesses, and industries across the six diverse states of New England is a complicated, demanding, and ever-evolving job. Succeeding in our unique mission amid today’s rapidly evolving industry and operational challenges means attracting highly skilled, committed, innovative, and adaptable professionals from across a variety of competitive industries. Over 60% of ISO employees hold advanced degrees, and the ISO competes for top talent in high-demand... Know more