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Freelance Senior Software Engineer

https://seamless.ai/ Logo

Seamless.AI

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Location:
Costa Rica

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Contract Type:
B2B

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Salary:

Not provided

Job Description:

We are seeking an experienced Freelance Sr. Software Engineer; Independent Contractor to join our team on a contract basis. The ideal candidate will be responsible for leading the technical design and development of software projects working independently from start to finish. This role involves collaborating with other engineers to design, develop, and maintain software applications, ensuring that project deliverables meet agreed-upon specifications and timelines. The Sr. Software Engineer will be expected to have excellent technical and leadership skills, as well as a passion for staying up-to-date with the latest developments in software engineering.

Job Responsibility:

  • Provide technical expertise in the design, development, and maintenance of software products
  • Develop and maintain high-quality software code in alignment with project requirements
  • Ensure that project deliverables are completed on time, within budget, and meet quality expectations
  • Define technical, operational, and security requirements for software projects
  • Collaborate with other teams to establish and maintain best practices for software development
  • Offer technical guidance and recommendations to support engineering teams
  • Conduct code reviews to maintain software quality and adherence to best practices
  • Research and evaluate new technologies to enhance software development processes and efficiencies
  • Work with stakeholders to resolve technical challenges, troubleshoot issues, and implement solutions
  • Contribute to the development and maintenance of technical documentation and system guides
  • Maintain clear and professional communication with project teams, management, and stakeholders while working independently

Requirements:

  • 6+ years of experience in software development
  • 5+ years of experience with modern frontend (React.js) and backend (Node.js, Express.js) JavaScript development
  • Bachelor’s in computer science or related field or equivalent work experience
  • Fluency in English and Spanish is required
  • Expert knowledge of modern frontend technologies such as React, ES6/7 JavaScript, Webpack, HTML, and CSS
  • Expert knowledge of modern back-end development and back-end JavaScript (Node.js, ExpressJS), SQL (Aurora Postgres), and AWS
  • Excellent communication and interpersonal skills
  • Strong problem-solving and analytical skills, with the ability to identify and address technical issues and challenges
  • Experience with software development tools such as GitHub and JIRA
  • Experience with cloud-based development and deployment, such as AWS
  • Experience with Agile in a highly collaborative, team-based environment
  • Experience mentoring and coaching software engineers

Additional Information:

Job Posted:
April 02, 2025

Work Type:
Remote work
Job Link Share:

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