Software Development Engineer I

Sorry, this job was removed at 12:07 p.m. (CST) on Sunday, Nov 09, 2025
Bethpage, NY
Hybrid
84K-137K Annually
AdTech • Digital Media • Internet of Things • Marketing Tech • Mobile • Retail • Software
Are you ready to be the difference?
The Role
Are you looking to Optimize your life? Start your exciting path to a rewarding career today!
We are Optimum, a leader in the fast-paced world of connectivity, and we're on the hunt for enthusiastic professionals to join our team! We understand that connectivity isn't just a luxury anymore - it's a necessity that empowers lives, fuels businesses, and drives innovation. A career at Optimum means you'll be enabling progress and enhancing lives by providing reliable, high-speed connectivity solutions that keep the world connected. We owe our success to our amazing product, commitment to our people and the connections we make in every community.
If you are resourceful, collaborative, team-oriented and passionate about delivering consistent excellence, Optimum is the Company for you!
We are Optimum!
Job Summary
We are seeking a Software Development Engineer I with experience in Go (Golang) and familiarity with modern web frameworks such as React or Angular. This role is ideal for an engineer passionate about building scalable backend services and contributing to engaging web and mobile experiences.
As an SDE I, you will work collaboratively with cross-functional teams to design, develop, and maintain backend APIs and web application that power our customer-facing products.
Responsibilities
  • Design, develop, and maintain scalable RESTful APIs using Go (Golang).
  • Collaborate with frontend developers to build responsive and dynamic web applications using React or Angular.
  • Write clean, maintainable, and efficient code following best practices and coding standards.
  • Assist in system design, implementation, testing, deployment, and documentation.
  • Identify, diagnose, and fix bugs or performance issues in backend services and web applications.
  • Work with databases (SQL or NoSQL) and caching systems to optimize data access and performance.
  • Participate in code reviews and collaborate with peers to improve the overall codebase quality.
  • Stay up to date with emerging technologies in backend and frontend development.
  • Contribute to a collaborative and inclusive engineering culture.

Qualifications
  • Bachelor's degree in computer science, Software Engineering, or related field or equivalent experience.
  • 1-3 years of experience in full-stack development or backend.
  • Working knowledge of React or Angular for building web interfaces.
  • Exposure to Kotlin Multiplatform (KMP) for shared business logic or cross-platform module development.
  • Proficiency in Go (Golang) for API or microservices development.
  • Proven ability to write clean, maintainable, and efficient code.
  • Understanding of RESTful API design principles and experience with API documentation tools (e.g., Swagger/OpenAPI).
  • Familiarity with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).
  • Experience with version control systems (e.g., Git) and collaborative development workflows.
  • Strong problem-solving and analytical skills.
  • Good communication skills.
  • Passion for mobile development and a desire to learn and grow.

At Optimum, we're fueled by our four core pillars: Taking Ownership, Upholding Transparency, Creating Community, and Demonstrating Expertise. Our commitment to empowering employees to take responsibility and embrace proactive problem-solving underpins Taking Ownership. Upholding Transparency is at the core of our culture, with open and honest communication fostering trust among our dedicated team and loyal customers. Creating Community is more than a goal; it's our daily commitment to fostering an environment of collaboration, innovation, and positivity. Demonstrating expertise is a promise we uphold through continuous learning and engagement with our customers to consistently deliver top-quality products and services. These pillars not only shape our culture but define Optimum as a place of excellence, trustworthiness, and thriving community, and we invite you to be a part of our journey.
If you have the drive to succeed and are ready to embark on a thrilling career, seize this opportunity today, and join our winning team, so together, we'll shape the future of connectivity.
All job descriptions and required skills, qualifications and responsibilities for a particular position are subject to modification by the Company from time to time, in the Company's discretion based on business necessity.
We are an Equal Opportunity Employer committed to recruiting, hiring and promoting qualified people of all backgrounds regardless of gender, race, color, creed, national origin, religion, age, marital status, pregnancy, physical or mental disability, sexual orientation, gender identity, military or veteran status, or any other basis protected by federal, state, or local law.
The Company collects personal information about its applicants for employment that may include personal identifiers, professional or employment related information, photos, education information and/or protected classifications under federal and state law. This information is collected for employment purposes, including identification, work authorization, FCRA-compliant background screening, human resource administration and compliance with federal, state and local law.
Applicants for employment with The Company will never be asked to provide money (even if reimbursable) as part of the job application or hiring process. Please review our Fraud FAQ for further details.
Pay is competitive and based on a number of job-related factors, including skills and experience. The starting pay rate/range at time of hire for this position in the posted location is $83,538.00 - $137,241.00 / year. The rate/range provided herein is the anticipated pay at the time of hire, and does not reflect future job opportunity.
We appreciate your interest in this opportunity. Applicants must be authorized to work for ANY employer in the U.S. Please note that at this time, we do not provide visa sponsorship for employment.
Nearest Major Market: Long Island
Nearest Secondary Market: New York CIty

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The Company
HQ: Long Island City, NY
9,000 Employees
Year Founded: 1973

What We Do

We Make a Difference Because We Are the Difference!

At Optimum, we’re not just connecting people – we’re transforming how they experience the world. With a footprint spanning 21 states and serving approximately 4.5 million residential and business customers, we're building the future of connectivity through innovative services like Optimum Fiber Internet, Optimum TV, and Optimum Mobile. This connectivity wouldn’t be possible without our tremendous workforce of driven employees who are dedicated to ensuring the best possible experience for all of our customers and co-workers

We’re a team of bold thinkers, curious leaders, and collaborative problem-solvers, united by a culture that values inclusion, innovation, and impact. At Optimum, every voice matters, every idea counts, and every team member has the opportunity to grow, lead, and make a difference. From developing next-gen technology to bridging the digital divide to supporting education and emergency response efforts, we lead with purpose and heart. Our Be The Difference initiative drives us to make a positive impact, ensuring that our efforts resonate far and wide.

From our products and services to our community impact, we are creating connections, driving innovation and POWERING this world forward. You can be a part of an exciting and transformational workplace at Optimum. Join us to Be the Difference!

Why Work With Us

Our mission is simple: deliver the best customer and employee experience while transforming how we work and grow. We’re on a journey to become the connectivity provider of choice – investing in our network, reimagining our products, and building a culture where people thrive. With nearly 4.5 million customers across 21 states, we’re transforming fr

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