SOFTWARE ENGINEER – BACK END

Tillster • Los Angeles, CA

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 works closely with cross-functional teams to deliver quality software that meets business needs and follows engineering best practices, including design and architectural patterns, thorough testing, and the use of modern AI developer tools. The engineer will contribute to an agile, collaborative, high-performing development environment.

Requirements

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

Nice To Haves

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

Responsibilities

• Build highly scalable, secure, high-performance microservices using AWS and TypeScript, applying software engineering principles, design patterns, and architectural best practices.
• Use AI developer tools to accelerate context gathering, boilerplate development, test generation, and code refactoring.
• Build and maintain microservices that communicate through well-defined APIs, with an emphasis on modularity and scalability.
• 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 evaluate AI-generated code for security and correctness.
• Participate in design sessions to help improve the platform architecture.
• Work with stakeholders and product owners to understand requirements and develop solutions.

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 full-time regular employees; eligible part-time employees receive prorated PTO.
• Eligibility to participate in the 401(k) Plan starting 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: Mid Level