Senior Software Engineer - Full Stack TypeScript

Ethereum Technologies LLC; Westlake Village (CA); On-site; USD 96,432 - 137,760; Full time

Job summary

A technology firm based in California is seeking a Senior Software Engineer with strong proficiency in TypeScript, Node.js, React, and Next.js. The successful candidate will design and develop features for pricing applications, write comprehensive tests, and manage AWS infrastructure. Candidates should have a minimum of 5 years of experience in full-stack software development and excellent communication skills. This role offers an hourly rate based on experience and an opportunity for extension.

Qualifications

• 5+ years of professional experience in full-stack software development.
• Strong proficiency in TypeScript, Node.js, React, and Next.js.
• Solid understanding of software testing principles and experience with testing frameworks.

Responsibilities

• Designing and developing new features for pricing applications.
• Writing comprehensive unit and integration tests to ensure code quality.
• Deploying and managing applications on AWS using tools like Lambda.

Skills

TypeScript

Node.js

React

Next.js

Cypress

Jest

AWS

Agile methodologies

Tools

GitLab CI

GitHub Actions

Jenkins

Job description

Overview

Senior Software Engineer - Full Stack TypeScript

Location: WestLake Village, CA

Duration: 14 Months+ Extension

Hourly Rate: Depending on Experience (DOE)

Work Authorization:

Responsibilities

• Designing and developing new features and enhancements for pricing applications using TypeScript, Node.js, React, and Next.js.
• Writing comprehensive unit, integration, and end-to-end tests using frameworks like Cypress and Jest to ensure code quality and reliability.
• Deploying and managing applications and infrastructure on AWS using tools like CDK/SAM, Lambda, API Gateway, DynamoDB, EventBridge, SQS, and Step Functions.
• Troubleshooting and resolving production issues, ensuring the stability and performance of systems.
• Participating actively in Agile ceremonies such as daily stand-ups, sprint planning, backlog refinement, and retrospectives.
• Collaborating with other engineers through code reviews, knowledge sharing, and mentorship.
• Collaborating with business analysts and participating in cross-team design sessions.
• Contributing to the improvement of development processes and tooling.
• Monitoring and optimizing the performance of data pipelines and integrations to ensure efficient data processing for real-time analytics.
• Working closely with data engineers, architects, business stakeholders, and data consumers to gather requirements and design effective solutions.
• Participating in an on-call rotation to provide support for critical systems during agreed-upon hours (8 am EST - 5 pm PST primary coverage).

Qualifications

• 5+ years of professional experience in full-stack software development.
• Strong proficiency in TypeScript, Node.js, React, and Next.js.
• Solid understanding of software testing principles and experience with testing frameworks and runners (e.g., Cypress, Jest, wdio, LambdaTest).
• Excellent verbal and written communication skills, with the ability to effectively communicate technical concepts to both technical and non-technical audiences.
• Hands-on experience with AWS cloud services, including CDK/SAM, Lambda, API Gateway, DynamoDB, EventBridge, SQS, and Step Functions.
• Familiarity with CI/CD platforms such as GitLab CI, GitHub Actions, or Jenkins.
• Working knowledge of Agile methodologies (Scrum, Kanban).
• Experience with NoSQL databases, particularly DynamoDB.
• Strong understanding of design patterns, refactoring techniques, and unit testing best practices.
• Experience with Linux and open-source software.

ETHEREUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ETHEREUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will ETHEREUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract