Hybrid Senior Software Engineer

at Zinnia

• Job title: Senior Software Engineer
• Job type: Full Time
• Experience level: Senior
• Salary: $135,000 - $155,000 per year
• Degree requirement: Bachelor's Degree
• Tech skills: Angular, Apache, AWS, Cassandra, Cloud, Docker, DynamoDB, EC2, JavaScript, Kafka, MongoDB, Next.js, NoSQL, Oracle, Postgres, React, SQL, TypeScript, .NET
• Location requirements: Hybrid, Bridgewater, United States

About the role

• Senior Software Engineer developing scalable and secure software solutions at Zinnia. Contributing to both back-end and front-end development while collaborating with cross-functional teams.

Responsibilities

• Design, develop, document, and maintain scalable, secure, and reusable software components and applications — spanning both back-end services/APIs and front-end interfaces.
• Contribute to defining and implementing coding standards, design patterns, and testing practices across services and integrations.
• Build and maintain enterprise APIs following best practices and collaborate with the API management team to implement gateway capabilities (traceability, monitoring, security, analytics).
• Support enhancements to the software development and deployment lifecycle for improved speed, quality, and reliability.
• Implement and automate unit, functional, integration, and contract tests for services, APIs, and applications.
• Write high-quality, maintainable, and performant code; participate in peer code reviews.
• Work closely with architects, product managers, and engineers to design solutions that align with enterprise goals.
• Integrate applications and APIs with enterprise Identity and Access Management (IAM) solutions.
• Stay current with emerging technologies and bring ideas to improve scalability, performance, and developer experience.

Requirements

• Bachelor’s or Master’s degree in Computer Science or a related field
• 8+ years of professional software development experience
• Strong proficiency in .NET (C#) and JavaScript/TypeScript, with experience using modern frameworks such as NestJS for back-end development and React, Angular, or Next.js for front-end applications.
• Proven experience designing, developing, and maintaining scalable software systems and versioned APIs.
• Experience developing and deploying applications in cloud-native environments, with hands-on expertise in AWS services (Lambda, EC2, S3, API Gateway, DynamoDB, SNS/SQS, RDS).
• Experience with API gateways (e.g., Apigee, Kong) and API lifecycle management.
• Experience in event-driven architecture and pub/sub messaging patterns, with exposure to event streaming platforms such as Apache Kafka.
• Strong knowledge of relational databases (e.g., MS SQL, Oracle, PostgreSQL) and NoSQL databases (e.g., MongoDB, DynamoDB, Cassandra).
• Working knowledge of DevOps practices (CI/CD pipelines, environment provisioning, monitoring) and containerization technologies such as Docker.
• Strong understanding of software engineering principles, object-oriented design, and design patterns.
• Experience working in an Agile/Scrum environment.
• Excellent problem-solving, troubleshooting, and communication skills; ability to work collaboratively in a distributed team.
• Commitment to continuous learning and staying up to date with the latest technologies in software development.

Benefits

• Health/dental insurance
• Parental leave
• 401(k)
• Incentive/bonus opportunity
• Tuition reimbursement