Software Developer

DescriptionOur client is seeking a highly skilled Full Stack Application Engineer to support and enhance critical Energy Management applications. This role will be responsible for designing, developing, and maintaining custom business applications used by internal stakeholders and external partners.The ideal candidate will possess strong front-end development expertise combined with full stack capabilities and experience working with enterprise-level business systems. This position requires a technically strong professional who can also engage effectively with external clients, vendors, and business leadership. Key Responsibilities• Design, develop, and maintain custom Energy Management applications.• Build and enhance user-facing web applications using modern front-end technologies.• Develop and optimize backend services, APIs, and database integrations.• Collaborate with business stakeholders to gather requirements and deliver technical solutions.• Support system integrations across multiple business applications.• Troubleshoot performance, reliability, and scalability issues.• Work closely with vendors and external partners to support application enhancements and implementations.• Participate in application architecture discussions and technology roadmaps.• Maintain data integrity and application security standards.• Provide technical guidance and best practices throughout the software development lifecycle.SkillsJava, Sql, reactTop Skills DetailsJava,Sql,reactAdditional Skills & QualificationsA Full Stack Engineer with 6-8+ years of experience developing enterprise applications using Java, SQL, and React/Angular, preferably within the Energy, Utilities, or Oil & Gas sector, who can interact confidently with business stakeholders, vendors, and customers while supporting and modernizing Energy Management applicationsPreferred Qualifications• Experience in Energy, Utilities, Oil & Gas, Commodities, or Energy Trading environments.• Experience building and maintaining data pipelines.• Familiarity with OSI PI (PI System) environments.• Experience developing backend APIs and integrations.• Knowledge of ASP.NET environments or cross-platform enterprise application ecosystems.• Cloud platform experience (Azure, AWS, or GCP)Experience LevelIntermediate LevelJob Type & LocationThis is a Permanent position based out of White Plains, NY.Pay and BenefitsThe pay range for this position is $140000.00 - $185000.00/yr. TypeThis is a hybrid position in White Plains,NY.Application DeadlineThis position is anticipated to close on Aug 6, 2026.About TEKsystemsWe're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.About TEKsystems and TEKsystems Global Services We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.Job SummaryJob number: JP-006199901Profession: Developer