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About the Role

The Software Development Engineer III will be part of a highly skilled software development team building Optimum's internal omni-channel API platform. This role involves developing tools, services, and integration layers that enable broadband, video, mobile, and customer-support applications across the organization. The position challenges individuals to transform software development at a Fortune 500 company and build platform capabilities that allow development teams to accelerate their work.

Responsibilities

Define and drive API and service architecture using Go, gRPC, Protocol Buffers, and Google AIP conventions for new and evolving platform capabilities.
Contribute to the platform roadmap, accelerating development teams across broadband, video, mobile, and customer-support applications.
Lead design and delivery of complex features spanning multiple domains, services, and integration points across the omni-channel platform.
Establish and evolve service contracts, Protocol Buffer schemas, and platform standards for API development and code generation workflows.
Architect solutions that balance modern cloud-native capabilities across GCP, AWS, and private cloud environments with legacy system dependencies, including SOAP, GraphQL, and enterprise integration patterns.
Own technical decisions related to Cloud Spanner data modeling, Redis caching strategy, service boundaries, performance, and operational readiness.
Lead modernization initiatives and process improvement efforts that enhance platform architecture, reduce integration complexity, and accelerate migration toward gRPC-based service delivery.
Design and guide implementation of authentication, authorization, and secure service interaction patterns, including Azure AD, JWT, and custom IAM models where applicable.
Introduce capabilities to support effective release validation and experimentation across test populations.
Implement and leverage monitoring and observability tooling — such as Prometheus, Grafana, Splunk, and New Relic — to track key quality and operational metrics.
Analyze metrics to identify areas for improvement and leverage developer tools and test automation to transform software release processes.
Use prototypes and proof-of-concepts as primary tools for deep exploration of architecture and software designs.
Influence CI/CD, testing, deployment, and production support practices using GitLab CI, GitHub Actions, Terraform, Ansible, and Spacelift where relevant.
Design and guide data platform capabilities involving Apache Beam, Dataflow, Pub/Sub, and large-scale data synchronization patterns.
Contribute to a structured knowledge base that allows teams to create, maintain, and extend documentation for platform tools and processes.
Establish and gain acceptance for Key Results indicated by development pipeline and automation test frameworks.
Serve as a go-to advocate for platform engineering practices and continue to make Optimum a developer-friendly environment.
Mentor engineers across experience levels; lead design reviews, RFCs, and cross-team coordination for platform capabilities.

Requirements

Bachelor's degree in Computer Science or equivalent experience.
Minimum 7 years of software development engineering experience.
Expertise in programming languages such as Go, Python, or Java.
Deep experience with gRPC, Protocol Buffers, and API design using Google AIP or similar conventions.
Proficient in cloud environments including GCP, AWS, and private clouds.
In-depth understanding of software development methodologies and modern DevSecOps practices.
Production experience with distributed data stores such as Cloud Spanner, Pub/Sub, and Redis.
Proven experience implementing and optimizing CI/CD pipelines (e.g., GitLab CI/CD, GitHub Actions).
Experience with infrastructure-as-code tools such as Terraform and Ansible.
Proficiency in automating test cases (unit, functional, and end-to-end tests) using frameworks such as Selenium or Cypress.
Knowledgeable in monitoring and observability tools such as Prometheus, Grafana, and Splunk.
Familiarity with defect tracking systems such as JIRA.
Strong understanding of version control systems (Git).
Hands-on experience with methodologies such as test-driven development (TDD), A/B testing, and continuous testing.
Demonstrated ability to lead process improvement initiatives and integrate meaningful testing metrics.
Solid grasp of software quality metrics, including defect rates and test coverage.
Experience in software architecture and design principles.
Capability to create proof-of-concept prototypes to validate technical solutions.
Skilled in collaborating with cross-functional teams to encourage tool and process adoption.
Strong analytical abilities for diagnosing and resolving technical challenges.
Passionate about fostering a developer-friendly environment and encouraging team collaboration.
Intuitive understanding of software design with a commitment to learning from diverse teams and projects.
Experience optimizing data formats and handling data locality for performance improvements.
Proven expertise in identifying and resolving performance and data-related issues.
Familiarity with AI tools and an AI-first mindset.
Contributed to creating and maintaining corporate technology policies.
Telecom, cable, broadband, or mobile carrier domain experience.
Spacelift or GitOps experience for infrastructure and deployment automation.
Apache Beam and Dataflow pipeline development experience.
IAM and RBAC system design experience.
Familiarity with Google CEL rules engine or similar policy and eligibility frameworks.
Experience integrating modern services with legacy enterprise systems via SOAP, GraphQL, or similar protocols.
Experience with edge security and API gateway patterns such as Apigee and Cloud Armor.
Applicants must be authorized to work for ANY employer in the U.S.
Do not provide visa sponsorship for employment.

Skills

Go
gRPC
Protocol Buffers
Google AIP
GCP
AWS
SOAP
GraphQL
Cloud Spanner
Redis
Azure AD
JWT
Prometheus
Grafana
Splunk
New Relic
GitLab CI
GitHub Actions
Terraform
Ansible
Spacelift
Apache Beam
Dataflow
Pub/Sub
Python
Java
DevSecOps
Selenium
Cypress
JIRA
Git
TDD
A/B testing
Continuous testing
Apigee
Cloud Armor

Location

United States

Work Type

Full-time

Experience Level

Minimum 7 years of software development engineering experience

Education Level

Bachelor's degree in Computer Science or equivalent experience

Salary/Compensations

New York: $133,661.00 - $219,586.00 / year
Texas: $111,384.00 - $182,988.00 / year

About the Company

Optimum is a leader in the fast-paced world of connectivity, providing reliable, high-speed connectivity solutions.
Optimum is a leading provider of Mobile, Broadband (DOCSIS, Fiber) and Video services in the United States.
The Product Development organization is responsible for the technology enablement and development of these technologies for our customers along with the tools used by our teams to support them.
Optimum's three Guiding Principles: Do What’s Right, Drive One Optimum, and Make It Happen.
Employees are empowered to do the right thing for customers and co-workers and to recognize and reward these behaviors.
The company aims to foster an environment where each employee knows they have the power to enact real change, share new ideas, and understand that learning never stops.

Equal Opportunity

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.