Lead Software Engineer

Job Description

Overview

CarltonOne is a global B2B technology company, within the Goldman Sachs portfolio, that helps the world reward exceptional people. We inspire employees to be more productive, sales teams to be more effective and customers to be more loyal.

Our platform is the backbone of the global engagement industry, enabling companies to run powerful employee recognition, customer loyalty, rewards, sales and channel incentive programs. We serve a diverse roster of over 450 clients and business partners, 500 vendors, and 14 million members across 185 countries. Each of our platform solutions fuels our eco-action mission of funding tree planting. We have already funded 20 million trees, and are on a growth trajectory to fund millions more. Learn more at carltonone.com

About the Opportunity

We are seeking an experienced Lead Software Engineer to join our growing development team. In this role, you’ll lead a talented team of developers to design, build, and maintain innovative web applications and services. You will be responsible for overseeing technical design, leading back-end and front-end development efforts, and ensuring high-quality, scalable software solutions. With your guidance, your team will create solutions that solve complex client problems, while fostering a collaborative and innovative environment.

Responsibilities

• Lead, mentor, and manage a team of developers to deliver high-quality software solutions.
• Assign development tasks effectively and provide regular feedback on code quality.
• Actively coach junior developers on technical skills and career growth.

Design & Development

• Implement scalable, maintainable solutions that align with business objectives.

Architecture & Backend Solutions

• Design and develop databases, APIs, and containerized applications.
• Ensure high performance, scalability, and data integrity in a cloud-based environment.

Code Quality & Reviews

• Conduct code reviews to ensure performance, maintainability, and adherence to coding standards.
• Oversee code merging to prevent conflicts and maintain quality.
• Partner with front-end and back-end teams to integrate components effectively.
• Work closely with stakeholders to translate business requirements into technical solutions.
• Promote best practices and Agile methodologies (Scrum / Kanban).
• Lead sprint retrospectives and propose solutions to identified challenges.
• Provide accurate technical estimates for new projects.
• Develop detailed technical specifications and ensure timely delivery.

Performance Optimization & Security

• Optimize applications for speed, scalability, and performance.
• Enforce secure coding practices to protect application data and infrastructure.

Qualifications

• 5+ years of professional software development experience, including team leadership.
• Expert knowledge of PHP and MySQL, including OOP and ORM design.
• 5+ years of experience in data modeling and relational database management.
• Experience with Symfony, cloud platforms (AWS, Google Cloud), and containerization (Docker).
• Strong experience with CI / CD pipelines and cloud-native application development.
• Skilled in building and maintaining RESTful APIs; familiarity with SOAP services.
• Experience with Symfony, PHPDoctrine, and other top-tier PHP frameworks is a plus.
• Excellent communication and leadership skills, with proven cross-functional collaboration.

Nice-to-Have

• Experience with microservices architecture and Domain-Driven Design (DDD).
• Familiarity with GraphQL, Redis, Kafka, and Kubernetes.
• Experience with modern PHP frameworks (Zend, Laravel).

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Production and Management

Industries

• IT Services and IT Consulting