Square Codex helps companies strengthen engineering teams and accelerate software delivery through nearshore staff augmentation, AI integration, and AI orchestration.
Based in Costa Rica, we connect North American businesses with experienced senior engineers across Latin America. Whether you need one specialist or a dedicated team, our professionals work alongside your staff, adapting to your tools, processes, and priorities.
Our engineers combine deep technical expertise with modern AI development tools to improve productivity, testing, documentation, and code quality.
AI Integration & Automation
We help companies bring AI into existing products and operations through coding assistants, custom agents, LLM-powered applications, and workflow automation that solve real business problems.
AI Orchestration & Agentic Workflows
We connect AI models, agents, data, APIs, and enterprise systems to create coordinated, reliable workflows. Our services include multi-agent orchestration, MCP integrations, human-in-the-loop controls, monitoring, evaluation, security, and governance. We help teams identify high-value use cases and scale AI responsibly.
Our expertise includes:
Web, mobile, and enterprise software engineering
AI/ML engineering and LLM applications
AI integration, custom agents, and automation
AI orchestration and multi-agent systems
Data engineering, data science, and analytics
QA automation and DevOps/cloud engineering
Game development and UI/UX design
Project management and business analysis
With flexible engagements, overlapping US time zones, and a focus on technical and cultural fit, we help clients grow capacity, accelerate delivery, and retain control of their products and teams.
Clients appreciate Square Codex for their good value for cost, with project pricing fitting various budgets. They consistently deliver quality work and maintain effective communication, making them a reliable choice for software development and QA services.
One client expressed a desire to expand their collaboration with Square Codex by hiring more developers in the future, indicating a positive experience but also a potential area for scaling.
Strong Technical Expertise
Square Codex is commended for its high level of technical expertise in coding, QA, and software development, consistently delivering excellent results across various projects and industries.
Client Satisfaction and Repeat Business
Square Codex achieves high client satisfaction, with clients expressing willingness to engage them for future projects, indicating trust and confidence in their services.
Good Value for Cost
Square Codex offers competitive pricing that aligns with client budgets, providing a good return on investment, which is a recurring theme in client feedback.
Effective Communication and Project Management
Clients praise Square Codex for maintaining clear and consistent communication through virtual meetings, emails, and messaging apps. They are noted for their ability to manage projects effectively and deliver on time.
Positive Work Ethic and Attitude
Square Codex is recognized for their positive work ethic and attitude, with team members being self-managing, reliable, and easy to work with, contributing to client satisfaction.
"They have a very good work ethic and a positive attitude."
May 12, 2025
Business Operations Manager, Adminformatics, LLC
Todd James
Verified
Other industries
Greenville, South Carolina
1-10 Employees
Online Review
Verified
Square Codex has augmented a SaaS firm's team with a full-time senior full stack developer. The developer reviews existing code, implements tests and new frameworks, tests new tools, and develops a survey app.
Square Codex's developer is still working on the project, which is moving forward as scheduled. They are self-managing and work independently while maintaining close communication with the client via email and meetings. Moreover, the developer demonstrates a good work ethic and a positive attitude.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Business Operations Manager of Adminformatics, LLC
Describe what your company does in a single sentence.
We developed a Software as a Service (SaaS) platform to streamline and enhance the management of researcher related information that caters to the needs of administrative and operations teams by offering tools that simplify data collection, data management, analysis, compliance, and reporting.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Square Codex to accomplish?
Review existing code
Implement new frameworks
Develop new survey application
SOLUTION
How did you find Square Codex?
CES
Why did you select Square Codex over others?
Close to my geographic location
Great culture fit
Good value for cost
Company values aligned
How many teammates from Square Codex were assigned to this project?
1 Employee
Describe the scope of work in detail. Please include a summary of key deliverables.
Square Codex provided us with a full time experienced senior full stack developer who was able to contribute to our team immediately. They were able to integrate testing with their development and test new tools while recommending alternatives. Not only do we trust their work we enjoy working with them.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
Things are ongoing but on schedule.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
They are very self managing. We talk about things regularly, but they are able to work independently. This has seemed to work well for everyone.
What was your primary form of communication with Square Codex?
In-Person Meeting
Virtual Meeting
Email or Messaging App
What did you find most impressive or unique about this company?
They have a very good work ethic and a positive attitude.
Are there any areas for improvement or something Square Codex could have done differently?
Not really, we are growing and hoping to do so faster to be able to have them staff us with more developers in the future.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Coding for Blockchain Company
Custom Software Development
$200,000 to $999,999
Jan. 2021 - Jan. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Square Codex was amazing to work with and they have highly skilled developers. I would work with them again."
Aug 21, 2024
Co-Founder & CEO, Bitvore
David Mandel
Verified
Other industries
Los Angeles, California
1-10 Employees
Online Review
Verified
Square Codex was hired by a blockchain company to provide coding services.
Square Codex delivered excellent work, demonstrating strong development skills and meeting the client's expectations. The team maintained communication with the client through virtual meetings, email, and messaging apps.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Co-Founder and CEO of Bitvore
Describe what your company does in a single sentence.
Blockchain product
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Square Codex to accomplish?
Coding
SOLUTION
How did you find Square Codex?
Referral
Why did you select Square Codex over others?
High ratings
Pricing fit our budget
Company values aligned
How many teammates from Square Codex were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
Coding
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
Excellent work
What was your primary form of communication with Square Codex?
Virtual Meeting
Email or Messaging App
Are there any areas for improvement or something Square Codex could have done differently?
Square Codex was amazing to work with and they have highly skilled developers. I would work with them again.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
QA Testing for IT Company
Application Testing
$10,000 to $49,999
Sep. 2023 - Mar. 2024
5.0
Quality
4.5
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They were great communicators and well-organized."
Jun 24, 2024
VP of Operations, IT Company
Sarah Case
Verified
Other industries
Boston, Massachusetts
11-50 Employees
Online Review
Verified
A nIT company hired Square Codex to provide a software QA engineer with great attention to detail and impeccable organizational skills to work across several projects simultaneously.
The client was pleased with the QA quality and the investment's value. Square Codex did an excellent job documenting any bugs they found so the in-house team could easily and quickly address them. They were great communicators and well-organized.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the VP of Operations of an IT company.
Describe what your company does in a single sentence.
Echobind is a software design, engineering, and strategy agency.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Square Codex to accomplish?
Software QA on large and complex web applications
SOLUTION
How did you find Square Codex?
Referral
Why did you select Square Codex over others?
Pricing fit our budget
Referred to me
How many teammates from Square Codex were assigned to this project?
1 Employee
Describe the scope of work in detail. Please include a summary of key deliverables.
We needed a software QA engineer with high attention to detail and impeccable organizational skills who could work across several projects simultaneously.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
The contractor we worked with did an excellent job documenting any bugs they found so that our team could easily and quickly address them.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
They were great communicators and well-organized. Very easy to work with.
What was your primary form of communication with Square Codex?
Virtual Meeting
What did you find most impressive or unique about this company?
High-quality QA and good value for the investment.
Are there any areas for improvement or something Square Codex could have done differently?
None
RATINGS
5.0
Quality
4.5
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Salesforce QA & Testing Services for IT Staff Aug Company
Business ConsultingIT Strategy Consulting
Confidential
Dec. 2022 - Jan. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0
"Square Codex provided great work and demonstrated reliability."
Jun 13, 2024
Team Lead, IT Staff Augmentation Company
Philipp Ruttimann
Verified
Other industries
San Jose, Costa Rica
11-50 Employees
Online Review
Verified
Square Codex provided salesforce QA services for an IT staff augmentation company's end client. The team tested backlog items and conducted regression testing to determine the incidents' priority and severity.
Square Codex garnered end-client satisfaction and achieved a digital transformation of manual tasks that required printing and scanning. The team met deadlines, responded well to the client's needs, and demonstrated great work and reliability. Square Codex communicated via email and messaging apps.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the Team Lead of an IT staff augmentation company
Describe what your company does in a single sentence.
They provide IT staff augmentation services for a wide range of technologies.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Square Codex to accomplish?
Salesforce Quality Assurance
SOLUTION
How did you find Square Codex?
Online Search
Why did you select Square Codex over others?
Close to my geographic location
Pricing fit our budget
Good Candidates
How many teammates from Square Codex were assigned to this project?
1 Employee
Describe the scope of work in detail. Please include a summary of key deliverables.
The Quality Assurance specialist from Square Codex was tasked with testing backlog work items and completing regression testing for a large client in the financial industry. They worked together with the team to determine the priority and serverity of incidents.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
The client was consistently happy with our progress and continues to work with us. The outcome of the project is that digital transformation of manual tasks that required printing and scanning documents.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
Yes the delivered items on time and responded well to our needs.
What was your primary form of communication with Square Codex?
Email or Messaging App
What did you find most impressive or unique about this company?
Square Codex provided great work and demonstrated reliability.
Are there any areas for improvement or something Square Codex could have done differently?
No
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
4.5
Value / within estimates
Willing to Refer
5.0
NPS
Blockchain, Web & Mobile App Development for IT Company
BlockchainMobile App DevelopmentWeb Development
HTML5jqueryJavaPHPPythonXML
$200,000 to $999,999
Jan. 2021 - Jan. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Square Codex was amazing to work with."
May 24, 2024
CEO, IT Company
Anonymous
Verified
Information technology
Los Angeles, California
11-50 Employees
Online Review
Verified
Square Codex provided development services for an IT company. The team was responsible for coding blockchain, web, and mobile app solutions for the client.
Square Codex's efforts received positive feedback from the client. The team was highly skilled and ensured a seamless workflow throughout the engagement. Square Codex communicated with the client via virtual meetings, emails, and messages. Overall, the client was pleased with Square Codex's work.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the CEO of an IT company.
Describe what your company does in a single sentence.
AI
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Square Codex to accomplish?
coding
SOLUTION
How did you find Square Codex?
Online Search
Why did you select Square Codex over others?
High ratings
Close to my geographic location
Pricing fit our budget
Great culture fit
Good value for cost
How many teammates from Square Codex were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
Square Codex was amazing to work with.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success? Highly skilled developers
Describe their project management. Did they deliver items on time? How did they respond to your needs?
I would work with them again in a heartbeat.
What was your primary form of communication with Square Codex?
Virtual Meeting
Email or Messaging App
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Showing 1-5 of
5 Reviews
Our Story
At Square Codex, we connect North American companies with exceptional Latin American engineering talent, AI integration, and AI orchestration solutions.
Driven by trust, innovation, and long-term partnerships, we help businesses build better software, accelerate delivery, and achieve measurable results.
Locations (1)
Guachipelín, Latitud Norte Building , 3rd FloorEscazú, Costa Rica10203
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