Software Engineer – Back End

Tillster

. Design, develop, and maintain cloud-based microservices .

Posted 10/30/2026full-timeLos Angeles • California • United StatesJuniorMid-Level💰 $95,000 - $125,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing cloud-based microservices using TypeScript and AWS, with a strong focus on applying software-engineering principles and testing strategies. Proficient in collaborating within Agile environments and integrating AI tools to enhance development workflows.

Highest-signal resume keywords

Cloud-Based Microservices DevelopmentTypeScript ProficiencyAgile Methodologies ExperienceUnit And Integration TestingSoftware-Development Security Best Practices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Microservices ArchitectureTypeScriptJavaPythonC#Unit TestingIntegration TestingEnd-To-End TestingDesign PatternsArchitectural Patterns

Soft Skills

Analytical SkillsProblem-Solving SkillsEffective Communication

Tools & Technologies

AWSAI Developer ToolsClaude CodeCursorChatGPTOAuthJWTRelational DatabasesNoSQL Databases

Certifications & Qualifications

Bachelor’s Degree In Computer Science

Industry Keywords

Service-Oriented ApplicationsAgile EnvironmentScrumKanbanSoftware-Development Security

Tech Stack

Tools & technologies

AWSCloudJavaMicroservicesNoSQLPythonTypeScript

About the role

Key responsibilities & impact

Design, develop, and maintain cloud-based microservices
Build scalable, secure, high-performance microservices using AWS and TypeScript
Apply software-engineering principles, design patterns, and architectural best practices
Use AI developer tools for context gathering, boilerplating, test generation, and code refactoring
Build and maintain microservices communicating through well-defined APIs
Implement unit, integration, and end-to-end tests; improve test coverage and apply TDD where appropriate
Participate in Agile ceremonies including stand-ups, sprint planning, retrospectives, and backlog refinement
Conduct and participate in code reviews, including security and correctness validation of AI-generated code
Participate in design sessions to improve platform architecture
Collaborate with stakeholders and product owners to understand requirements and develop solutions
Contribute to an agile, collaborative, and high-performing development environment
Participate in recruiter, AI-assisted pair-programming/code-review, and final interviews

Requirements

What you’ll need

2+ years’ 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
Proficiency in a modern object-oriented programming language; TypeScript preferred
Comfortable integrating AI tools such as Claude Code, Cursor, ChatGPT, or Claude into daily workflows
Experience implementing unit, integration, and end-to-end testing strategies
Experience with relational or NoSQL data stores
Expertise applying industry-standard design and architectural patterns
Ability to communicate effectively in English, verbally and in writing
Experience working in an Agile environment, including Scrum or Kanban
Understanding of software-development security best practices, including OAuth, JWT, and encryption
Bachelor’s degree in Computer Science or similar, or equivalent experience
Strong analytical and problem-solving skills
Comfortable working in a fast-paced, dynamic environment and handling ambiguity and changing requirements
Local candidates strongly preferred
No visa sponsorship

Benefits

Comp & perks

Medical, dental, vision and FSA benefits for full-time regular employees and dependents
Healthcare and Dependent Care reimbursement programs
Employee Assistance Program (EAP)
Optum Care 24-hour confidential medical counseling services
Ten paid holidays per calendar year
15 days of PTO in the first 12 months and 22 days in subsequent years for full-time regular employees
401(k) Plan eligibility from employment start date
College tuition and education assistance programs
Udemy Learning courses
Ongoing learning and development opportunities
Access to learning courses to build skills