--- title: 'Senior Full Stack Software Developer (Costa Rica) at JBS Dev' canonical: 'https://feeny.ai/job/senior-full-stack-software-developer-costa-rica-jbs-dev-costa-rica-5335sdjrfran' type: 'job' last_seen: '2026-09-11' --- # Senior Full Stack Software Developer (Costa Rica) at JBS Dev - **Company:** JBS Dev - **Location:** Costa Rica - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-07-31 - **Last confirmed live:** 2026-09-11 - **Apply:** https://jobs.ashbyhq.com/jbs-dev/b519194b-60b2-4240-b3c7-ce9b299390ef ## Job description We're looking for a talented and versatile Senior Software Developer with strong experience in Python and modern front-end technologies (JavaScript, TypeScript, or React) to join our team. In this role, you'll take ownership of software from design through production, and use AI agents as part of your regular development workflow. You'll work closely with product managers, engineers, QA, and other stakeholders to deliver features and solutions for our clients. If you're passionate about clean code, scalable systems, and using AI tools to work faster and better, we'd love to hear from you. This position is a full-time role. We are 100% remote but candidates must reside and be authorized to work in Costa Rica. Responsibilities: - Design, build, and maintain web applications across the stack, from backend APIs to dynamic frontends. - Own production software throughout its lifecycle, driving complex initiatives independently from design through deployment and support. - Collaborate with cross-functional teams including product, design, and DevOps to ship high-quality software. - Develop RESTful APIs using Python and FastAPI. - Build responsive, dynamic front-end applications using JavaScript, TypeScript, React, or comparable technologies. - Design scalable distributed systems and microservice architectures. - Deploy and manage applications using AWS serverless technologies and related cloud infrastructure. - Use AI agents as part of the development workflow for design, planning, implementation, testing, debugging, and documentation, and apply engineering judgment to validate and refine that work before it reaches production. - Design, build, and integrate AI agents and agentic workflows to automate engineering tasks and solve product challenges. - Mentor peers through technical leadership and code reviews. Experience and Skills: System Ownership - Experience owning production software throughout its lifecycle. - Ability to independently drive complex initiatives from design through production. - Strong accountability for customer and business outcomes. Technical Expertise - Experience designing scalable distributed systems and microservice architectures. - Strong cloud and DevOps experience. - Good debugging, troubleshooting, and production support skills. - Ability to balance speed, quality, scalability, and maintainability. AI-Driven Engineering - Demonstrated experience using AI agents as a core part of software development. - Ability to use AI for design, planning, implementation, testing, debugging, and documentation. - Strong engineering judgment to validate and refine AI-generated work before production. - Experience designing, building, and integrating AI agents and agentic workflows to automate engineering tasks and solve product challenges. - Understanding of prompt engineering, tool orchestration, context management, and evaluation techniques for AI-powered systems. Collaboration and Leadership - Excellent communication and collaboration skills. - Ability to mentor peers through technical leadership and code reviews. - Comfortable working with ambiguity and driving work forward independently. - Continuous learner who is open to new tools and engineering practices. Minimum Qualifications: - 5+ years of experience building backend applications with Python and FastAPI or similar. - Strong knowledge of REST API design and implementation. - 3+ years developing and deploying applications using AWS serverless technologies and related cloud infrastructure. - Experience developing front-end applications using JavaScript, TypeScript, or React. - Proven ability to validate, refine, and take full ownership of AI-generated designs, code, tests, and documentation before deployment. - Demonstrated experience working in an AI-first engineering environment where AI agents are a standard part of daily development workflows. - Experience designing, building, and integrating AI agents or agentic workflows to automate engineering processes or deliver product capabilities. - Strong cloud and DevOps experience. Benefits: This is a full-time position with the following benefits: - Competitive Base Salary - Great work deserves great pay. Our salaries cover a 40-hour work week, and we also offer optional paid overtime for this position. - Optional Paid Overtime - At JBS, overtime is never required, but if you choose to work additional hours beyond 40 in a week, those hours are compensated at an overtime rate. The decision to take on extra work is entirely employee-driven; we respect your time and encourage a balance that works best for you. - Private Health Insurance - In addition to CCSS coverage, we provide private medical insurance to give you faster access to care and expanded provider options for you. - Paid Time Off - Take the time you need to rest and recharge. We provide paid vacation plus paid public holidays. - Fully Remote - We’ve always been (and always will be) 100% remote. All JBS roles are fully compliant with Costa Rican labor law, including but not limited to: CCSS Enrollment (Caja Costarricense de Seguro Social). This ensures access to Costa Rica’s national healthcare system, disability coverage, and pension benefits. Aguinaldo (13th Month Bonus) - Employees receive the legally required annual Aguinaldo bonus, paid in December. ## About JBS Dev ## Company Overview - **One-liner**: JBS Dev is a custom enterprise application development company that builds strategic technology solutions for high-growth startups to Fortune 500 enterprises, specializing in enterprise technology, data & business intelligence, machine learning & generative AI, mobile, cloud, and custom applications. - **Entity Type**: Private (Privately Held) - **Headquarters**: Chadds Ford, Pennsylvania, United States - **Founded**: 1999 - **Founders**: Not publicly named in available sources ## Core Business - **Primary industries**: Software Development, Enterprise Technology, Data & Business Intelligence, Cloud Services, AI/ML - **Target customers**: B2B; high-growth startups, SMBs, and Fortune 500 enterprises across healthcare, finance, retail, edtech, quick service restaurants, travel & hospitality, automotive, law & legal, and more. - **Mission or purpose statement**: "We make complex, simple." The company aims to foster a people-first, agile, and candid culture where innovation thrives, challenges are embraced, and excellence is a shared goal. [jbs.dev](https://www.jbs.dev/our-team/careers/career-opportunities/) ## Products & Services - **Enterprise Technology & Performance**: Modernizing existing systems, digitalizing processes, and building new enterprise applications. - **Data & Business Intelligence**: Data warehousing, business intelligence, and data science solutions. - **Generative AI & Machine Learning**: Developing and integrating AI/ML capabilities into client systems. - **Mobile Application Development**: Creating innovative mobile applications. - **Cloud Services**: Cloud architecture, migration, and management (AWS Advanced Consulting Partner, Microsoft Gold Partner). - **Custom Development & Applications**: Full-stack custom software development across the entire product lifecycle. [jbs.dev](https://www.jbs.dev/) ## Market Standing - **Valuation**: Not disclosed (privately held) - **Key Metric**: ~92 employees (as of mid-2026) [wellfound.com] - **Notable Investors/Partners**: Amazon Web Services (AWS) Advanced Consulting Partner with Retail Competency; Microsoft Gold Partner. [jbs.dev](https://www.jbs.dev/our-team/inside-jbs/) - **Growth Signals**: Has operated successfully for over 25 years (since 1999). Recruits only senior-level engineers, signaling a focus on quality over quantity. Operates in 6 countries (US, Costa Rica, Jordan, Brazil, Puerto Rico, Pakistan). [wellfound.com] ## Competitive Advantages - **100% Remote Since 1999**: One of the longest-standing fully remote companies in the industry, allowing them to recruit top talent globally without geographic constraints. [jbs.dev](https://www.jbs.dev/our-team/inside-jbs/) - **Senior-Only Hiring Model**: They exclusively hire senior-level talent, ensuring a consistently high level of expertise and experience across all teams. This is described as a key differentiator and critical to their growth. [jbs.dev](https://www.jbs.dev/our-team/inside-jbs/) - **Business + Technical Acumen**: They combine deep technical expertise with a strong understanding of business drivers, producing solutions that deliver faster ROI. - **Longevity & Trust**: Over 25 years of operation and a client list ranging from startups to Fortune 500 companies. - **High-Velocity Team Model**: They can either be a client’s entire team or seamlessly integrate with an existing in-house team to maximize productivity. [jbs.dev](https://www.jbs.dev/our-team/inside-jbs/) - **Rigorous Hiring Process**: Ensures only top-tier talent is brought on board. [jbs.dev](https://www.jbs.dev/our-team/inside-jbs/) ## Strategic Focus - Expanding expertise beyond its retail/eCommerce roots into industries like education, non-profit, financial services, and healthcare. - Leveraging Generative AI and Machine Learning as a core service offering. - Maintaining a high-quality, senior-level talent pool while scaling the team. - Delivering end-to-end solutions from ideation and strategy to implementation and delivery. [jbs.dev](https://www.jbs.dev/) ## Why Work Here - **100% Remote Culture**: "Propelling your career right from home" is a core part of their identity. Employees have worked remotely since 1999. [jbs.dev](https://www.jbs.dev/our-team/careers/) - **People-First & Agile**: Founded and led by developers, with a deliberate focus on work-life balance, engaging projects, and innovative technologies. - **Culture Committee**: A dedicated committee makes recommendations on how to improve the company culture. [jbs.dev](https://www.jbs.dev/our-team/careers/career-opportunities/) - **Semiannual Gatherings**: The company hosts in-person gatherings at destination cities to foster team bonding. - **Senior-Level Environment**: Work alongside and learn from only senior/experienced engineers and architects. - **Diverse, Global Team**: Team members are spread across 6 countries, offering a diverse and international work environment. - **Notable Perks**: Slack trivia, team happy hours, and a supportive environment. ## Sources 1. [jbs.dev - Homepage](https://www.jbs.dev/) 2. [jbs.dev - Careers Page](https://www.jbs.dev/our-team/careers/) 3. [jbs.dev - Inside JBS (Company Story)](https://www.jbs.dev/our-team/inside-jbs/) 4. [LinkedIn - JBS Dev](https://www.linkedin.com/company/jbsdev) 5. [wellfound.com - JBS Dev Company Profile](https://wellfound.com/company/jbsdev) ## Other roles at JBS Dev - [Senior .NET Software Developer (Costa Rica)](https://feeny.ai/job/senior-net-software-developer-costa-rica-jbs-dev-costa-rica-c0bb4bc9jnpf) — Costa Rica - [Senior Software Developer (Java) - Costa Rica](https://feeny.ai/job/senior-software-developer-java-costa-rica-jbs-dev-costa-rica-6a0gzyay0vx6) — Costa Rica - [VP of Growth Marketing](https://feeny.ai/job/vp-of-growth-marketing-jbs-dev-united-states-1363vhgj7zec) — United States