- San José, Provincia de San José
- Remote
- Heredia, Provincia de Heredia
- Lagunilla, Provincia de Heredia
- Alajuela, Provincia de Alajuela
- Escazú, Provincia de San José
- San Rafael, Provincia de San José
- Provincia de Alajuela
- Provincia de Cartago
- San Antonio, Provincia de Heredia
- Santa Ana, Provincia de San José
- San Pedro, Provincia de San José
Empleos de senior software engineer en Costa Rica
- Seamless.AISan José, Provincia de San JoséEn general, responde en el plazo de 1 día.
- Experience mentoring and coaching software engineers.
- 6+ years of experience in software development.
- This role involves collaborating with other engineers to…
Ver empleos similares de esta empresaABAP Senior Software Engineer
nuevo empleoProcter & Gamble4,1San José, Provincia de San José- This is a senior-level position focused on ABAP development, where the selected candidate will work closely with software managers, solution architects, and…
Ver empleos similares de esta empresaBoston Consulting GroupHeredia, Provincia de Heredia- Previous experience building a user-facing GenAI/LLM software application.
- 6-8 years of professional experience in software development or IT operations, with…
Project Management Analyst
Urge contratarAlleanzaSanta Ana, Provincia de San JoséEn general, responde en el plazo de 1 día.- 1 - 3 years of experience in construction as a project engineer or manager.
- Experience with construction management software (e.g., Microsoft Project) preferred…
Ver empleos similares de esta empresaWest Monroe Experienced 2San José, Provincia de San José- 5+ years of experience in software development.
- Collaborate with team members to design and develop software applications across multiple languages.
- Colibri TeamsSan José, Provincia de San José
- Design, develop, test, deploy, maintain, and support production code.
- Translation of UI/UX design wireframes to actual code.
- Extra day holiday on your birthday.
- Ver todos los Empleos de Colibri Teams - empleo en San José - Empleos de Front End Developer en San José, Provincia de San José
- Búsqueda de salarios: salarios de Senior Front End Software Engineer
- TebraHeredia, Provincia de Heredia
- Translate business requirements into software solutions.
- 5+ years of software development experience.
- Architect & write software that solves complex business…
- Ver todo: Empleos de Tebra - empleo en Heredia
- Búsqueda de salarios: salarios de Senior Software Engineer
- Komodo HealthSan José, Provincia de San José
- Mentor other engineers and promote technical best practices within the team.
- Collaborated cross-functionally with product, design, and backend teams to…
- Ver todos los Empleos de Komodo Health - empleo en San José - Empleos de Senior Software Engineer en San José, Provincia de San José
- Búsqueda de salarios: salarios de Senior Software Engineer, KMC
- Tebra TechnologiesCosta Rica
- Translate business requirements into software solutions.
- 5+ years of software development experience.
- Architect & write software that solves complex business…
- Ver todo: Empleos de Tebra Technologies - empleo en Costa Rica
- Búsqueda de salarios: salarios de Senior Software Engineer
- TogetherhoodCosta RicaEn general, responde en el plazo de 1 día.
- Participate in all aspects of agile software development including design, implementation, and deployment.
- Build new features for both sides of the Togetherhood…
- Ver todos los Empleos de Togetherhood - empleo en Costa Rica - Empleos de Senior Software Engineer en Costa Rica
- Búsqueda de salarios: salarios de Sr. Software Engineer
- L. L. BeanEscazú, Provincia de San José
- Leverages modern software design patterns and test driven development principles.
- Effectively works with business and IS people in the adoption, utilization and…
- Ver todo: Empleos de L. L. Bean - empleo en Escazú
- Búsqueda de salarios: salarios de Senior Software Engineer
- ConfizSan José, Provincia de San José
- Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systems.
- Ver todos los Empleos de Confiz - empleo en San José - Empleos de Senior Software Engineer en San José, Provincia de San José
- Búsqueda de salarios: salarios de Senior Software Engineer - .NET (Level IV)
- EX Squared LATAMSan José, Provincia de San José
- 5–7 years of experience in software development.
- You'll work side by side with product managers, QA, and engineers to deliver elegant, scalable solutions.
- Ver todos los Empleos de EX Squared LATAM - empleo en San José - Empleos de Senior Software Engineer en San José, Provincia de San José
- Búsqueda de salarios: salarios de Senior Software Engineer - NodeJS
- MicrosoftCosta Rica
- Champion and drive improvements in team software engineering practices.
- Promote knowledge sharing and contribute to the onboarding documentation for new…
- GFT Technologies SEHeredia, Provincia de Heredia
- NET/C# Developer to lead the design, development, and maintenance of robust software solutions.
- Develop and maintain applications: Design, code, test, and debug…
- Ver todo: Empleos de GFT Technologies SE - empleo en Heredia
- Búsqueda de salarios: salarios de Senior Software Engineer
Job Post Details
Freelance Senior Software Engineer - job post
Información del empleo
Tipo de empleo
- Freelance
Ubicación
Descripción completa del empleo
The Opportunity
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.
As an independent contractor, the selected individual will operate as a self-employed professional, managing their own schedule, tools, and workflows to fulfill project requirements. The selected individual will provide services on a project or contract basis as a self-employed professional and will not be classified as an employee of Seamless.AI. Contractors are responsible for managing their own taxes, social security contributions, and business expenses.
Responsibilities
- 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.
Skillset
- 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
Education and 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, as this role involves regular communication with international clients and team members. Applicants should have an advanced level of English in both written and verbal communication.
Data Protection & Privacy Compliance Statement
Seamless.AI is committed to protecting the privacy and security of your personal data. We process all candidate information in compliance with Costa Rica's Ley de Protección de la Persona Frente al Tratamiento de sus Datos Personales (Law 8968). By submitting your application, you consent to us processing your personal data for recruitment purposes. Your information will be handled securely, used solely for hiring decisions, and retained only as necessary per applicable laws.
For more details on how we collect, store, and protect your data, or to exercise your rights under Costa Rican data protection laws, please refer to our Privacy Policy or contact us at privacy@seamlessleads.com.
Employment Terms
This is either a 6-month or 12-month contract depending on the needs of the business with the possibility of renewal based on performance and business need. Compensation will be based on project milestones, deliverables, or a fixed contractual rate, as agreed upon in the service contract. This role does not include employer-provided benefits. Contractors are responsible for their own business expenses and social security contributions (CCSS) pursuant to Costa Rica's tax and social security laws as independent professionals.
About Seamless.AI
Seamless.AI has been delivering the world's best sales leads since 2015. Our product is the first real time, B2B search engine helping sales teams maximize revenue, increase sales, and easily acquire their total addressable market using artificial intelligence.
Seamless delivers the world's best sales leads. Through our product, we help sales teams maximize revenue, increase sales, and easily acquire their total addressable market using artificial intelligence; by development of a robust real-time contact and company search engine as well as a suite of technically-advanced tools to support sales and lead generation. We have been recognized as one of Ohio's fastest growing companies and have been recently ranked No. 7 in LinkedIn's Top 50 Startups of 2022, featured in Forbes as #1 Software company in Ohio in 2022, and on G2's "Top 100 Highest Satisfaction Products for 2022" list!
We are an equal opportunity employer and value diversity at our company. Seamless.AI does not discriminate based on race, religion, gender, sexual orientation, age, or other protected statuses. All qualified applicants will receive equal consideration for employment. Visa Sponsorship is not included in our hiring package. Applicants must have the legal right to work in Costa Rica.
If you require any adjustments or accommodations at any stage of the application process due to a disability or other needs, please let us know by contacting recruiting@seamlesscontacts.com. We prioritize a safe and healthy work environment, complying with all Costa Rica's regulations. If you need any workplace accommodations, please let us know.
Check out what our employees think about working at Seamless: CLICK HERE
Since 2015, Seamless.AI has helped sales teams maximize revenue with the world's first real-time B2B search engine. As one of Ohio's fastest-growing companies, we've earned top industry accolades, including G2's 2025 Best Software Products (#1 Highest Satisfaction Product), Purpose Jobs' 2024 Best Places to Work, and LinkedIn's Top 50 Tech Startups (2020, 2022, 2023). We are committed to a diverse, inclusive workplace and do not discriminate based on race, religion, gender, sexual orientation, age, or other protected statuses. Visa sponsorship is not available; applicants must be authorized to work in the U.S.