Staff Software Engineer, Backend

The Opportunity

Partner.co is building the future of its software platform—and we’re looking for Senior and Staff Software Engineers to help lead the way. This role combines hands-on coding with design and architecture as we evolve our legacy Oracle-based monolith into a robust set of cloud-native, event-driven services, supporting our web (and other) APIs. You’ll work at the heart of our modernization effort, influencing architecture decisions and building services that will power our global business into the next decade.

What You’ll Do:

• Design and implement scalable, event-driven backend systems and APIs using Java and AWS
• Lead efforts to decompose legacy systems and migrate data from a monolithic Oracle database into new service-owned data stores
• Collaborate closely with architects, engineers, and business stakeholders on architecture and system design decisions
• Write clean, maintainable, scalable, secure, and well-tested code in a modern CI/CD environment
• Participate in code reviews, design sessions, load testing, and performance tuning
• Mentor engineers and contribute to improving development practices and standards
• Help shape our new technology platform serving a wide variety of domains across our global business including payments, orders, taxes, commissions, warehouse operations, shipping, and more

Technical Requirements:

• Expert-level Java coding skills including debugging and troubleshooting
• Strong experience designing and implementing RESTful and WebSocket APIs and event-driven asynchronous architectures
• Strong experience designing and building data systems using SQL, NoSQL, GraphQL, Oracle PL/SQL, MySQL, PostgreSQL, DynamoDB, S3, Redis, data warehouses, etc.
• Oracle PL/SQL development and optimization skills preferred, proficient in writing and optimizing Oracle Stored Procedures, Functions, and Packages
• Proficiency with containerization and orchestration, including Docker, Kubernetes, AWS ECS and Fargate
• Experience with AWS serverless services and designs, including Lambda, API Gateway, EventBridge, SQS, SNS, Fargate, and Aurora Serverless
• Experience with CI/CD and DevOps processes including automated testing, feature-flagging, and Application Performance Monitoring (APM) and observability
• Proficiency with performance optimization and load testing
• Experience with Quarkus framework a plus
• Experience building AI features into products, as well as using AI tools to accelerate software development and testing, preferred

Leadership & Soft Skills:

• Strong analytical and problem-solving abilities under pressure
• Excellent technical communication skills across global teams
• Ability to translate complex software concepts to non-technical stakeholders
• Experience mentoring junior to mid software professionals
• Strong documentation and knowledge transfer capabilities

What We’re Looking For:

• 4+ years of experience at the level of Senior Software Engineer or higher
• Expert-level Java coding skills including debugging and troubleshooting
• Proven experience building cloud-native systems on AWS (or other cloud systems)
• Strong experience with service architectures
• Expertise in event-driven systems and designing with asynchronous patterns
• Experience with legacy modernization efforts, ideally involving large monolithic systems
• Familiarity with a range of data store technologies (e.g., relational, NoSQL, S3, DynamoDB, Redis, GraphQL, etc.)
• Bachelor’s degree in Computer Science or related field (preferred)
• AWS or other cloud certifications a plus

Critical Success Factors:

• Ability to design and engineer software to maintain 99.99%+ uptime for mission-critical systems
• Success in complex cloud native software projects
• Excellence in rapid troubleshooting and issue resolution
• Strong communication and collaboration skills with development and architecture teams
• Ability to balance operational excellence with modernization initiatives

Partner.Co Benefits & Perks: 

❤️‍🩹 Health Benefits - Including Medical, Dental, and Vision insurance, as well as HSA contributions 

🌴 Flexible Paid Time Off – Take the time you need, plus 11 company holidays!  

💰 401(k) - We match 100% up to 3% of your contribution, and then another 50% up to 5% of your contribution. We guarantee Safe Harbor immediate vesting. 

🧠 Mental Health Benefits - All employees have access to our Employee Assistance Program (EAP), giving you free mental health resources and helpful tools.  

➕ Supplemental Benefits - Including 100% company paid Basic Life & AD&D insurance and long & short-term disability coverage. 

📝Legal Services – Consult with attorneys for free if the need ever arises, and receive resources for creating legal documents, filing taxes, etc.  

📦Effective Products – Gain access to our full range of health & wellness products. 

Our Values: 

We approach our work every day with a few things in mind: 

🤝 True Partnership – We exemplify true collaboration, knowing that when we serve one another with integrity, every interaction is a step toward collective success. Unite, Serve, Succeed. We are Better Together. 

❤️ No. 1 Investment is Health – Your health is your greatest asset – the foundation of success, freedom and adventure. There is no greater wealth, no smarter investment, and no more valuable asset than the body you live in.    

😀 Customer Focused – Customers are both the foundation and driving force of our business. We build relationships that last a lifetime, measuring our success through their transformations and finding our greatest reward in their empowerment. When they win, we win.    

🏆 Real Products, Real Results – Our solutions redefine health, backed by unwavering science. We transform our customers’ health through products that are guaranteed, tested, and proven. 

👍 Excellence in Every Act – We weave excellence into every endeavor. When we fall short, we own it and rise stronger. We proactively solve problems with integrity, move fast with purpose and never stop improving.   

🏅 Courage to Lead – We empower our community to lead with courage and transform lives by harnessing daily, healthy habits, products, tools and systems that transform health, finances and freedom. Lead with courage, change lives, be bold, be brave.    

⭐ Dream Big, Act Now – Imagination fuels us, immediate action propels us. We inspire people to realize their dreams through daily, consistent action. Dream fearlessly, act swiftly.    

✅ Culture of Performance – Results. Innovation. Effort. We reward what moves us forward and unlock limitless potential through accountability and achievement.    

🌎 Work is an Adventure – We believe in the thrill of building something extraordinary. Passion, curiosity, joy, and laughter fuel our daily work, making every challenge an opportunity to grow and every success a celebration.   

🏠 Built to Last – We’re crafting something that will outlast us all, a company built on integrity and honor that enriches lives for generations to come. Today’s work becomes tomorrow’s legacy.   

Work Arrangement:

• Adequate home office setup, including a quiet and distraction-free workspace and high-speed internet access
• Ability to work effectively from a remote location, ensuring a professional and organized environment conducive to focused work
• Familiarity with remote communication tools (e.g., video conferencing, collaboration platforms) to engage in virtual meetings and discussions
• Required to be available for critical system support and on-call rotation
• Flexible schedule to accommodate global team collaboration and maintenance windows

Partner.Co is an equal-opportunity employer. Partner.Co provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, national origin, sexual orientation, gender identity or expression, age, disability, genetic information, marital status, or veteran status.