Software Engineer – Back End

Tillster

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

Posted 10/30/2026full-timeSan Diego • 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 implementing testing strategies and adhering to software security best practices. Proven ability to collaborate in Agile environments and effectively communicate with stakeholders to deliver high-quality solutions.

Highest-signal resume keywords

Microservices ArchitectureTypeScript DevelopmentAWS Cloud ServicesUnit Testing StrategiesAgile Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Microservices DevelopmentTypeScriptJavaPythonC#Unit TestingIntegration TestingEnd-to-End TestingSoftware Security Best PracticesDesign Patterns

Soft Skills

Effective CommunicationAnalytical SkillsProblem-SolvingCollaborationAdaptability

Tools & Technologies

AI Developer ToolsClaude CodeCursorChatGPTRelational DatabasesNoSQL Databases

Certifications & Qualifications

Bachelor’s Degree in Computer Science

Industry Keywords

Service-Oriented ApplicationsAgile EnvironmentScrumKanbanOAuthJWTEncryption

Tech Stack

Tools & technologies

AWSCloudJavaMicroservicesNoSQLPythonTypeScript

About the role

Key responsibilities & impact

Design, develop, and maintain cloud-based microservices
Build scalable, secure, and high-performance microservices using AWS and TypeScript
Use AI developer tools for context gathering, boilerplating, test generation, and code refactoring
Build and maintain modular microservices communicating through well-defined APIs
Implement unit, integration, and end-to-end tests, pursuing high test coverage and TDD where applicable
Participate in Agile ceremonies including stand-ups, sprint planning, retrospectives, and backlog refinement
Conduct and participate in code reviews, including validation of AI-generated code for security and correctness
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
Pursue continuous learning through available courses and development opportunities

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, and Claude into daily workflow
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 in English
Experience working in an Agile environment, including Scrum or Kanban
Understanding of software 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
Healthcare and Dependent Care reimbursement programs
Employee Assistance Program (EAP)
Optum Care 24-hour confidential medical counseling services
Ten paid holidays per calendar year
Paid time off: 15 days during the first 12 months and 22 days in subsequent years for eligible full-time employees
401(k) Plan eligibility from employment start date
College tuition and education assistance programs
Udemy Learning courses
Ongoing learning and development opportunities