Senior Software Engineer – Back End

Tillster • Atlanta, GA

3d • $130,000 - $150,000

About The Position

Tillster is seeking a Senior Software Engineer focused on back-end development to design, develop, and maintain cloud-based microservices. The role collaborates with cross-functional teams to deliver high-quality software aligned with business needs and engineering best practices, including design and architectural patterns, thorough testing, and modern AI developer tools. The engineer will contribute to an agile, collaborative, high-performing development environment.

Requirements

• At least 5 years of experience designing and developing service-oriented applications using Java, Python, C#, TypeScript, or another modern programming language.
• Experience designing and building microservice-based systems with high cohesion and loose coupling.
• Experience implementing unit, integration, and end-to-end testing strategies.
• Experience with relational or NoSQL data stores.
• Expertise in industry-standard design and architectural patterns.
• Effective verbal and written communication skills in English.
• Experience working in an Agile environment, such as Scrum or Kanban.
• Understanding of software security best practices, including OAuth, JWT, and encryption.
• Bachelor’s degree in Computer Science or a similar field, or equivalent experience.
• Strong analytical and problem-solving skills and a continuous-improvement mindset.
• Ability to work in a fast-paced, dynamic environment and handle ambiguity and changing requirements.
• Comfort integrating AI tools into daily work while critically validating code.

Nice To Haves

• TypeScript experience is preferred.
• Prior experience with AWS serverless technologies and related services such as DynamoDB and SQS.

Responsibilities

• Build scalable, secure, high-performance microservices using AWS and TypeScript, applying software engineering principles and architectural best practices.
• Use AI developer tools to accelerate context gathering, code scaffolding, test generation, and refactoring, while validating generated code.
• Build and maintain microservices that communicate through well-defined APIs.
• Implement unit, integration, and end-to-end tests; work toward high test coverage and use test-driven development where appropriate.
• Participate in Agile ceremonies, contribute to sprint goals, and collaborate with the team.
• Conduct and participate in code reviews, upholding coding standards, maintainability, security, and correctness.
• Participate in design sessions to improve the platform architecture.
• Work with stakeholders and product owners to understand requirements and develop solutions.
• Pursue continuous learning through available courses and other development opportunities.

Benefits

• Medical, dental, vision, and FSA benefits for eligible full-time regular employees and their dependents.
• Healthcare and Dependent Care reimbursement programs.
• Employee Assistance Program and Optum Care 24-hour confidential medical counseling services.
• Ten paid holidays per calendar year.
• Paid time off: 15 days during the first 12 months of continuous service and 22 days in subsequent years for eligible full-time regular employees; eligible part-time employees receive prorated PTO.
• Eligibility to participate in the 401(k) plan beginning on the employment start date.
• College tuition and education assistance programs.
• Udemy learning courses and ongoing learning and development opportunities.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior