SOFTWARE ENGINEER – BACK END

Tillster • Atlanta, GA

8d • $95,000 - $125,000

About The Position

Tillster is seeking an experienced mid-level Back End Software Engineer to design, develop, and maintain cloud-based microservices. The role collaborates with cross-functional teams to deliver high-quality software solutions that meet business needs, applying software design and architectural patterns, thorough testing methods, and modern AI developer tools. The engineer will contribute to an agile, collaborative, high-performing development environment and help improve the platform’s architecture.

Requirements

• At least 2 years of experience designing and developing service-oriented applications in Java, Python, C#, TypeScript, or another modern language.
• Experience designing and building microservice-based systems with high cohesion and loose coupling.
• Experience implementing comprehensive unit, integration, and end-to-end testing strategies.
• Experience with relational or NoSQL data stores.
• Expertise in applying industry-standard design and architectural patterns.
• Effective English verbal and written communication skills.
• 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.
• Comfort working in a fast-paced, dynamic environment and handling ambiguity and changing requirements.

Nice To Haves

• TypeScript experience is preferred.
• Prior experience with AWS serverless and related technologies such as DynamoDB and SQS.
• Comfort integrating AI tools such as Claude Code, Cursor, or ChatGPT/Claude into daily work while critically validating code.

Responsibilities

• Build scalable, secure, high-performance microservices using AWS and TypeScript, applying software engineering principles, design patterns, and architectural best practices.
• Use AI developer tools to support context gathering, boilerplate creation, test generation, and code refactoring.
• 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 applicable.
• Participate in Agile ceremonies, contribute to sprint goals, and collaborate with the team.
• Conduct and participate in code reviews, uphold coding standards and maintainability, and critically validate AI-generated code for 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 learning courses.

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.
• 15 days of PTO during the first 12 months of continuous service and 22 days in subsequent years for eligible full-time regular employees; eligible part-time employees earn prorated PTO.
• Eligibility to participate in the 401(k) Plan effective with 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: Mid Level