[8FA] Senior Fullstack Software Engineer (Javascript, Typescript)

🏢 Software Mind · all 44 jobs
📍 Costa Rica
📅 Posted Oct 14, 2026 · via Himalayas
🏷 Full Stack Developer, Software Engineer, Javascript Developer, Front End Developer, Backend Engineer, Full Stack Engineer
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Project - the aim you'll have

As a Senior Software Engineer, you'll play a key role in helping our client design, build, and modernize the applications and technology solutions their business relies on. You'll work on developing and deploying modern web applications, collaborating with cross-functional teams to deliver high-quality, scalable, and reliable software that meets client needs.

Our client is passionate about leveraging technology to solve complex business challenges and deliver meaningful results. In this role, you'll take ownership of features end-to-end, applying strong technical judgment and working with modern JavaScript technologies to create maintainable, testable, and performant solutions. As part of a fast-paced consulting environment, you'll also collaborate closely with clients and team members, communicate effectively, and help drive projects forward. If you're ready to take on new challenges and make a meaningful impact through technology, we'd love to hear from you!
Expectations - the experience you need

- 6+ years of professional software engineering experience, including 4+ years of full-stack JavaScript/TypeScript development.

- Strong proficiency with front-end frameworks like React, Next.js, Angular, or Vue.js

- Strong proficiency with Node.js.

- Hands-on experience developing and deploying applications on Microsoft Azure (e.g., App Service, Functions, Azure SQL, etc.).

- Experience with CI/CD tools such as Azure DevOps or GitHub Actions.

- Solid SQL and relational database experience

- Working knowledge of API design, authentication/authorization, and web application security.

- Excellent communication skills and the ability to interface directly with clients as needed.

- Self-motivated and able to manage multiple projects and tasks simultaneously.

What you'll do

- Design, develop, test, and maintain full-stack applications using languages and frameworks including, but not limited to TypeScript/JavaScript, React,

- and Node.js.

- Build and integrate secure, well-documented APIs, including integrations with client business systems and third-party services.

- Deploy, monitor, and support applications on Microsoft Azure, and maintain CI/CD pipelines.

- Partner with project managers, business analysts, engineers, and client stakeholders to turn requirements into production-ready solutions.

- Write clean, well-tested code, participate in code reviews, and collaborate effectively with other engineers.

Nice to have

- Microsoft Azure certification (e.g., AZ-204 Azure Developer Associate).

- Exposure to the Microsoft data ecosystem (Microsoft Fabric, Power BI) or ERP/CRM integrations.

- Experience building AI-enabled features or using AI-assisted development tools.

- Prior consulting or professional services experience.

We are Software Mind , an awesome team of engineers who are ready to ramp up any top-notch company’s projects! Our aim? To always be one step ahead. Become part of a multicultural company in constant growth with an excellent work environment certified by Great Place To Work!

Originally posted on Himalayas

Flights + hotels

This role requires you to be in Costa Rica. If that means relocating or flying in, it is worth checking fares before you commit to a start date.

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