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Software Development Engineer 3 Jobs (NOW HIRING)

Reporting to the Engineering manager, the SDE III will participate as part of a highly skilled software development team to build the tools, processes and automation frameworks that will improve ...

Software Dev Engineer III Job Location: Boston, Massachusetts Job Number: AMZ9893305 Position Responsibilities: Drive the architecture and design of large-scale, multi-tiered, distributed software ...

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Software Development Engineer 3 information

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$63.5K

$147.5K

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How much do software development engineer 3 jobs pay per year?

As of Jul 30, 2026, the average yearly pay for software development engineer 3 in the United States is $147,524.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,000.00 and $173,000.00 per year, depending on experience, location, and employer.

What engineer makes $500,000 a year?

A senior software development engineer or principal engineer at large technology companies can earn $500,000 or more annually, often including base salary, bonuses, and stock options. Such compensation typically requires extensive experience, advanced technical skills, and leadership responsibilities in high-demand environments.

What does a software engineer 3 do?

A Software Development Engineer 3 typically designs, develops, and maintains complex software systems, often taking on technical leadership roles within projects. They are expected to have strong coding skills, experience with software architecture, and the ability to mentor junior engineers. They often work with tools like version control systems and participate in code reviews to ensure quality.

What is L1, L2, L3, and L4 developer?

In the context of a Software Development Engineer 3 role, L1, L2, L3, and L4 typically refer to different levels of seniority or experience within a company's engineering ladder. L1 is usually entry-level or junior, while L4 indicates a senior or lead engineer with more responsibilities, expertise, and often mentorship duties. These levels help define expectations, skills, and compensation for software developers at various stages of their careers.

How does a Software Development Engineer 3 typically collaborate with cross-functional teams during the software development lifecycle?

As a Software Development Engineer 3, you will often work closely with product managers, quality assurance engineers, UX designers, and other developers to ensure alignment on project goals and technical requirements. Collaboration usually involves participating in sprint planning, code reviews, and design discussions, as well as providing mentorship to junior engineers. This level of engagement fosters a deeper understanding of the product and helps deliver high-quality software solutions that meet user and business needs.

What engineers make $300,000 a year?

Senior software development engineers, especially those with extensive experience, expertise in high-demand technologies, or working at large tech companies, can earn $300,000 or more annually. Compensation often includes base salary, bonuses, and stock options, particularly in competitive markets or leadership roles.

What are the key skills and qualifications needed to thrive as a Software Development Engineer 3, and why are they important?

To thrive as a Software Development Engineer 3, you need advanced proficiency in programming languages like Java, Python, or C++, strong problem-solving abilities, and a bachelor’s degree in computer science or related field. Experience with version control systems (e.g., Git), cloud platforms (e.g., AWS or Azure), and familiarity with CI/CD pipelines and relevant certifications are often required. Effective communication, leadership, and collaboration skills help in mentoring junior engineers and working within agile teams. These competencies enable you to deliver robust software solutions, drive technical excellence, and contribute to both team and organizational success.

What are Software Development Engineer 3 (SDE3) roles and responsibilities?

A Software Development Engineer 3 (SDE3) is a senior-level software engineer responsible for designing, developing, and maintaining complex software systems. They often lead technical initiatives, mentor junior engineers, and contribute to architectural decisions. SDE3s are expected to have deep expertise in their technology stack, strong problem-solving skills, and the ability to drive projects from conception to deployment. They collaborate with cross-functional teams to deliver high-quality software solutions and may also participate in code reviews and technical interviews.
More about Software Development Engineer 3 jobs
What cities are hiring for Software Development Engineer 3 jobs? Cities with the most Software Development Engineer 3 job openings:
What states have the most Software Development Engineer 3 jobs? States with the most job openings for Software Development Engineer 3 jobs include:
Infographic showing various Software Development Engineer 3 job openings in the United States as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $147,524 per year, or $70.9 per hour.

Software Development Engineer III

Optimum

Bethpage, NY

Other

Re-posted 16 days ago


Optimum rating

7.5

Company rating: 7.5 out of 10

Based on 54 frontline employees who took The Breakroom Quiz

49th of 96 rated telecommunications companies


Job description

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

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.
Reporting to the Engineering manager, the SDE III will participate as part of a highly skilled software development team to build the tools, processes and automation frameworks that will improve productivity, drive efficiency, and ensure the quality and reliability of our software products.
We are looking for a passionate and engaged individual who is willing to take on the challenge of transforming software development at a Fortune 500 company and building the tools that will allow our development teams to Go Fast!

Responsibilities
  • Contribute to our software development tools roadmap, accelerating our development teams.
  • Execute on implementing our tools roadmap that includes a CI/CD pipeline that will be leveraged by the software development teams across the organization to support our broadband, video, mobile and customer support applications.
  • Implement tools to identify, document and track software defects.  Work closely with the development teams to resolve issues and ensure timely fixes.
  • Introduce capabilities to do effective A/B testing of releases across test populations.
  • Lead process improvement initiatives to enhance testing practices, tools, and metrologies.
  • Implement tools to monitor and report on key quality metrics, including defect rates, test coverage and test execution progress.  
  • Analyze metrics to identify areas for improvement.Leverage developer tools and test automation to transform our software release processes and enable the development teams to get capabilities to customers faster.
  • Use and customize out of the box tools to instrument and monitor systems.
  • Contribute to a structured knowledge base that allows teams to create, maintain and extend documentation for all our developer tools and processes.
  • Establish and gain acceptance for Key Results indicated by our development pipeline and automation test frameworks.
  • Use prototypes and proof of concepts as the primary tools for deep and detailed explorations of architecture and software designs.
  • Go-to advocate for developer tools in the organization.
  • Continue to make Optimum a Developer Friendly Environment.
Qualifications
  • Bachelor's degree in computer science or equivalent
  • Minimum 7 years of software development engineering experience
  • Expertise in programming languages such as Python, Java, or Golang.
  • Familiarity with AI Tools and AI First mindset
  • Proficient in the Google Cloud environment.
  • In-depth understanding of software development methodologies and modern DevSecOps practices.
  • Proficiency in automating test cases (unit, functional, and end-to-end tests).
  • Proven experience implementing and optimizing CI/CD pipelines (e.g., GitLab CI/CD, GitHub Actions).
  • Experience with IaC tools like Terraform/Ansible.
  • Skilled in developing and maintaining test automation frameworks using tools like Selenium or Cypress.
  • Knowledgeable in monitoring and observability tools like Prometheus, Grafana, and Splunk.
  • Familiarity with defect tracking systems like JIRA.
  • Strong understanding of version control systems (Git).
  • Hands-on experience with methodologies like 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.
  • Contributed to creating and maintaining corporate technology policies.

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 New York is $133,661.00  - $219,586.00 / year. 

The starting payrate/range at time of hire for this position in Texas is $111,384.00  - $182,988.00 /year. For other locations, please inquire with your recruiter. The rates/ranges provided herein are the anticipated pay at the time of hire, and do not reflect future job opportunity.


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