Contact
Let's work together
Jose DA COSTA

Professional Skills

A comprehensive overview of my 10 core competencies: 6 soft skills and 4 hard skills

Skill Mastery Gauges

Each core skill with its mastery level and number of career experiences contributing to it

Leadership & Team Management

14 exp.

Communication & Collaboration

18 exp.

Problem Solving & Critical Thinking

15 exp.

Adaptability & Learning Agility

14 exp.

Project Management

12 exp.

Stakeholder Management

13 exp.

Full-Stack Development

10 exp.

Cloud Architecture

3 exp.

DevOps & CI/CD

7 exp.

System Architecture & Design

13 exp.

Skills Radar

Interactive radar showing skill growth from 1997 to today. Press play to watch the evolution.

199720262026

Skill Growth Over Time

How skill categories have grown from 1997 to today, based on confidence levels across career milestones

Skills Overview

Skills organized by domain: soft skills (human competencies) and hard skills (technical competencies)

Detailed Breakdown

In-depth information about each skill with keywords and descriptions

#4Leadership & Team Management
Leadership & Management
Leading teams and driving project success
Level9/10

Proven ability to lead cross-functional teams, mentor developers, and drive project success through effective team coordination and motivation.

team leadershipmentoringproject coordinationmotivation
#1Communication & Collaboration
Communication & Collaboration
Bridging technical and business communication
Level10/10

Excellent communication skills with stakeholders, clients, and team members. Expert in facilitating collaboration across departments and technical/non-technical audiences.

stakeholder managementcollaborationpresentationdocumentation
#5Problem Solving & Critical Thinking
Communication & Collaboration
Analytical approach to complex challenges
Level9/10

Strong analytical mindset with ability to break down complex problems, identify root causes, and develop innovative solutions.

analytical thinkingroot cause analysisinnovationdebugging
#2Adaptability & Learning Agility
Communication & Collaboration
Rapid learning and adaptation to change
Level10/10

Quick learner who thrives in fast-paced environments. Continuously updating skills to stay current with evolving technologies and methodologies.

continuous learningflexibilitytech trendsquick adaptation
#8Project Management
Project Management
End-to-end project delivery and planning
Level8/10

Experience managing projects from conception to delivery, using Agile methodologies, sprint planning, and effective resource allocation.

agilescrumsprint planningdelivery management
#9Stakeholder Management
Communication & Collaboration
Managing expectations and relationships
Level8/10

Skilled in managing expectations, gathering requirements, and maintaining strong relationships with clients, executives, and team members.

client relationsrequirements gatheringexpectation managementreporting
#3Full-Stack Development
Software Development
React, Next.js, Node.js, TypeScript expertise
Level10/10

Expert in modern full-stack development with React, Next.js, Node.js, TypeScript. Proficient in building scalable, performant web applications.

ReactNext.jsTypeScriptNode.jsExpressREST API
#10Cloud Architecture
DevOps & Cloud
AWS, Azure, GCP cloud solutions
Level8/10

Experience designing and deploying cloud-native applications on AWS, Azure, and GCP. Expertise in serverless architectures, microservices, and cloud optimization.

AWSAzureGCPserverlessmicroservicescloud optimization
#6DevOps & CI/CD
DevOps & Cloud
Docker, Kubernetes, CI/CD automation
Level9/10

Proficient in implementing CI/CD pipelines, containerization with Docker, orchestration with Kubernetes, and infrastructure as code.

DockerKubernetesCI/CDGitHub ActionsJenkinsIaC
#7System Architecture & Design
Architecture & Design
Scalable architecture and system design
Level9/10

Strong foundation in software architecture patterns, system design, scalability, and performance optimization. Experience with microservices, event-driven architecture, and distributed systems.

architecture patternssystem designscalabilitymicroservicesevent-driven
Strategic Analysis
Tech
MBA
4/5

Conduct macro-economic (PESTEL), industry (Porter's 5 Forces), and internal (SWOT) diagnostics to position the company and identify key success factors.

View details
Business Strategy
Tech
MBA
4/5

Master strategic models (BCG, McKinsey, Ansoff), Porter's competitive advantage, and design growth, innovation, and digital transformation strategies.

View details
Project Governance
Tech
MBA
4/5

Design and implement governance structures (PMO, steering committees), maturity models (CMMI, OPM3), and ensure strategic alignment of projects.

View details
Project Portfolio Management (PPM)
Tech
MBA
5/5

Select, prioritize, and balance a project portfolio, optimize resources, and manage overall portfolio performance.

View details
Waterfall / V-Cycle Methodology
Tech
MBA
4/5

Master V-Cycle phases, requirements management, technical specifications, milestones, and choose between Agile and Waterfall approaches.

View details
Lean Six Sigma
Tech
MBA
3/5

Apply Lean Management principles (5S, VSM, Kanban), the DMAIC Six Sigma methodology, and statistical tools for continuous improvement.

View details
Budget and Financial Management
Tech
MBA
3/5

Develop and track project budgets, analyze variances, calculate ROI, produce financial forecasts, and deliver financial reporting.

View details
Risk Management
Tech
MBA
4/5

Identify, analyze (qualitatively and quantitatively), and address risks through risk matrices, registries, and response strategies.

View details
Change Management
Soft
MBA
4/5

Apply change models (Kotter, ADKAR, Lewin), support resistance to change, communicate change, and anchor new practices.

View details
Jira Mastery
Tech
MBA
5/5

Manage projects in Jira (backlogs, sprints, workflows, Kanban/Scrum boards, dashboards) and integrate with Confluence and Bitbucket.

View details
MS Project Mastery
Tech
MBA
2/5

Create and plan projects, allocate resources, track progress, produce custom reports, and manage multi-project environments.

View details
Project Team Management
Soft
MBA
5/5

Build and develop teams (Tuckman model), delegate, motivate, evaluate performance, and manage remote teams.

View details
Intercultural Management
Soft
MBA
3/5

Understand cultural dimensions (Hofstede, Trompenaars), manage international teams, and promote inclusion and diversity.

View details
Project HR Management
Soft
MBA
2/5

Apply Strategic Workforce Planning, recruit and onboard, develop skills, manage workplace well-being, and apply labor law to projects.

View details
Performance Evaluation (KPIs)
Tech
MBA
4/5

Define KPIs, build performance dashboards, analyze results, practice benchmarking, and use Business Intelligence tools.

View details
Knowledge Capitalization
Tech
MBA
3/5

Conduct lessons learned reviews, document insights, manage knowledge bases, and facilitate communities of practice.

View details
Continuous Improvement (Lean, Kaizen)
Tech
MBA
3/5

Apply the PDCA cycle (Deming wheel), Kaizen principles, continuous improvement tools, quality circles, and visual management.

View details
AI Applied to Project Management
Tech
MBA
4/5

Understand machine learning and deep learning, use AI tools for project management, predictive analytics, generative AI, and apply AI ethics.

View details
SAFe Methodology
Tech
MBA
5/5

Apply the Scaled Agile Framework (principles, levels, ART, PI Planning, roles) to deploy agility at organizational scale.

View details
Earned Value Analysis (EVM)
Tech
MBA
3/5

Measure project performance by combining scope, schedule, and cost to detect deviations and anticipate final outcomes.

View details
Data-Driven Decision Making
Tech
MBA
3/5

Leverage data and Business Intelligence tools to guide strategic and operational decisions in a factual manner.

View details
Functional Analysis & Requirements Engineering
Tech
Master
4/5

Gather and analyze client needs, model functional specifications, and translate business requirements into actionable software requirements using techniques such as use cases, user stories, and requirements traceability matrices.

View details
IT Contract Law & Compliance
Tech
Master
3/5

Understand IT contract law including SLAs, intellectual property, GDPR compliance, liability clauses, and legal frameworks governing software development and digital services.

View details
UX Design & Wireframing
Tech
Master
3/5

Design user-centered interfaces through UX research, wireframing, prototyping, usability testing, and applying design principles to create intuitive and accessible digital products.

View details
JavaScript Programming (OOP, Event-Driven, Async)
Tech
Master
5/5

Master JavaScript programming paradigms including object-oriented programming, event-driven architecture, asynchronous patterns (Promises, async/await), and modern ES6+ features.

View details
TypeScript Development
Tech
Master
5/5

Develop type-safe applications with TypeScript, leveraging advanced type systems, generics, decorators, interfaces, and integration with modern frameworks and build tools.

View details
Angular Front-End Development
Tech
Master
4/5

Build enterprise-grade front-end applications with Angular, including components, services, dependency injection, routing, reactive forms, RxJS observables, and state management.

View details
Java SE Programming
Tech
Master
2/5

Program robust applications in Java SE, mastering core concepts such as collections, generics, streams, multithreading, I/O, and the JVM ecosystem.

View details
Java Spring & Hibernate
Tech
Master
2/5

Develop enterprise applications using Spring Framework (Boot, MVC, Security, Data) and Hibernate ORM for database persistence, transaction management, and RESTful API development.

View details
Advanced Git Workflows (GitHub & GitLab)
Tech
Master
5/5

Apply advanced Git workflows including branching strategies (GitFlow, trunk-based), pull requests, code reviews, CI/CD integration, and collaboration on GitHub and GitLab platforms.

View details
Kotlin & Android Mobile Development
Tech
Master
1/5

Develop native Android applications using Kotlin, including UI design with Jetpack Compose, MVVM architecture, data persistence, API integration, and mobile-specific best practices.

View details
REST API Design & Implementation
Tech
Master
5/5

Design and implement RESTful APIs following best practices including resource modeling, HTTP methods, status codes, authentication, versioning, documentation, and API security.

View details
SOLID Principles & Clean Code
Tech
Master
5/5

Apply SOLID principles (Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, Dependency Inversion) and clean code practices for maintainable software.

View details
Software Architecture Patterns
Tech
Master
5/5

Design scalable software systems using architectural patterns such as layered architecture, hexagonal architecture, microservices, event-driven architecture, and CQRS.

View details
UML Complex Application Design
Tech
Master
3/5

Model complex application designs using UML diagrams including class diagrams, sequence diagrams, use case diagrams, component diagrams, and deployment diagrams.

View details
Design Patterns (Gang of Four)
Tech
Master
5/5

Implement Gang of Four design patterns (Creational, Structural, Behavioral) to solve recurring design problems and build flexible, reusable object-oriented software.

View details
Web Application Security (OWASP)
Tech
Master
4/5

Secure web applications by applying OWASP Top 10 guidelines, implementing authentication/authorization, preventing injection attacks, XSS, CSRF, and conducting security audits.

View details
Advanced Algorithms & Complexity
Tech
Master
5/5

Analyze and design efficient algorithms, understand computational complexity (Big O notation), and apply advanced data structures and algorithmic strategies to solve complex problems.

View details
Functional Programming (Scala)
Tech
Master
1/5

Apply functional programming paradigms using Scala, including immutability, higher-order functions, pattern matching, monads, and functional approaches to concurrent programming.

View details
NoSQL Databases (Redis, MongoDB, Cassandra, Neo4j)
Tech
Master
4/5

Work with NoSQL database systems including Redis (key-value), MongoDB (document), Cassandra (column-family), and Neo4j (graph), selecting the appropriate model for each use case.

View details
Testing Strategy & Software Quality
Tech
Master
5/5

Define and execute comprehensive testing strategies including unit testing, integration testing, end-to-end testing, TDD/BDD practices, and software quality assurance processes.

View details
Machine Learning Fundamentals
Tech
Master
4/5

Understand and apply machine learning fundamentals including supervised/unsupervised learning, neural networks, model evaluation, and integration of AI capabilities into software applications.

View details
Cross-Functional Management
Soft
Master
5/5

Coordinate cross-functional teams, align diverse stakeholders, and manage transversal projects spanning multiple departments with different priorities and constraints.

View details
Design Thinking & Innovation
Soft
Master
3/5

Apply Design Thinking methodology to drive innovation, including empathy mapping, ideation, rapid prototyping, and iterative validation with end users.

View details
Business English Proficiency
Soft
Master
1/5

Communicate effectively in professional English across technical documentation, presentations, meetings, and international collaboration with global development teams.

View details
HR Communication in International Context
Soft
Master
1/5

Navigate HR communication in international and multicultural contexts, including intercultural awareness, diversity management, and effective communication across cultural boundaries.

View details
System Administration
Tech
BTS
3/5

Install, configure, and administer Windows Server and Linux (Debian, CentOS) environments, including Active Directory, OpenLDAP, and group policy management.

View details
Network Infrastructure Design and Management
Tech
BTS
3/5

Design, deploy, and maintain local and wide area networks including switches (VLAN, link aggregation), routers, secure wireless access points, and DNS/DHCP services.

View details
Network Security and Cybersecurity
Tech
BTS
1/5

Implement firewalls, intrusion detection/prevention systems (IDS/IPS), secure Wi-Fi configurations, and conduct vulnerability audits on servers and networks.

View details
Scripting and Automation
Tech
BTS
2/5

Develop scripts in Batch DOS, VBScript, and Bash to automate repetitive administrative tasks such as user provisioning and log analysis.

View details
Database Fundamentals
Tech
BTS
2/5

Manage relational databases (MySQL, Microsoft Access, SQL Server), execute SQL queries, and ensure data integrity and backup procedures.

View details
IT Service Support and Incident Management
Tech
BTS
2/5

Diagnose and resolve hardware, software, and network incidents using ticketing tools (GLPI), remote support, and structured escalation procedures.

View details
IT Asset and Configuration Management
Tech
BTS
2/5

Inventory and maintain hardware, software, and licenses using tools like GLPI and OCS Inventory, ensuring compliance with organizational policies.

View details
Monitoring and Supervision
Tech
BTS
1/5

Deploy and configure monitoring tools (Nagios, Zabbix) to oversee infrastructure health, set alerts, and ensure service continuity.

View details
Service Deployment and Business Continuity
Tech
BTS
2/5

Implement backup, restore, and disaster recovery procedures to guarantee IT service availability and business continuity.

View details
Team Collaboration and Project Management
Soft
BTS
2/5

Work collaboratively using project management tools (MS Project, Gantt charts) and version control systems (CVS) within IT teams.

View details
Technical Documentation
Soft
BTS
2/5

Produce clear, structured documentation for IT procedures, network configurations, system architectures, and troubleshooting guides.

View details
User Communication and Technical Support
Soft
BTS
2/5

Communicate effectively with non-technical users, translating complex IT concepts into accessible language and providing quality end-user support.

View details
Professional Technology Watch
Soft
BTS
2/5

Continuously monitor emerging technologies, security threats, and industry standards to maintain up-to-date technical knowledge.

View details
Regulatory Compliance Awareness
Soft
BTS
1/5

Understand and apply the French Data Protection Act (Loi Informatique et Libertes, CNIL), software intellectual property law, and IT security policies in effect during the BTS IG era.

View details
Electrical Engineering & Power Circuits
Tech
BAC Pro
2/5

Fundamental electrical laws, single-phase and three-phase circuits, power components (variable speed drives, converters) and electrical safety standards (NF C 15-100).

View details
Electrical & Electronic Diagnostics
Tech
BAC Pro
2/5

Symptom analysis, root cause identification of malfunctions, and precise diagnostics on household and institutional equipment using measuring instruments.

View details
Preventive & Corrective Maintenance
Tech
BAC Pro
2/5

Preventive maintenance operations (inspections, replacements) and corrective maintenance (troubleshooting, repair) on domestic appliances and institutional equipment.

View details
Schematic Reading & Technical Documentation
Tech
BAC Pro
2/5

Reading, interpreting and using electrical, electronic and hydraulic schematics, along with manufacturer documentation.

View details
Commissioning & Testing
Tech
BAC Pro
2/5

Commissioning of new or repaired equipment, adjustments, calibrations and functional tests to validate proper operation.

View details
Automation & Control
Tech
BAC Pro
1/5

Intervention on basic automated systems: sensors, actuators, programmable logic controllers, temperature regulators.

View details
Electrical Safety Certification & HSE
Tech
BAC Pro
1/5

Electrical safety rules (B1V, BR, BC certification), HSE standards and occupational risk prevention procedures.

View details
Refrigeration & Thermal Systems
Tech
BAC Pro
1/5

Refrigeration circuits (refrigerators, cold rooms, display cases) and thermal systems (heating, water heaters, ovens).

View details
Customer Advisory and Sales
Soft
BEP
1/5

Welcome and advise customers on equipment choices suited to their needs, explain operation and maintenance procedures, and suggest complementary accessories and services.

View details
Intervention Planning and Organization
Soft
BEP
1/5

Analyze customer requests, prepare necessary equipment and tools, plan intervention steps, and work autonomously on job sites.

View details
Technical Communication
Soft
BEP
2/5

Communicate effectively with both technical and non-technical audiences, write intervention reports, and simplify technical concepts for end users.

View details
Specialized Sales Techniques
Tech
MC
2/5

Apply sales techniques for technology products: needs discovery, technical argumentation, objection handling, and closing sales.

View details
Multimedia Product Knowledge
Tech
MC
2/5

Master the technical and functional characteristics of multimedia products (computers, peripherals, software, consoles) to advise customers effectively.

View details
Product Demonstration & Configuration
Tech
MC
2/5

Perform live demonstrations of multimedia products, install and configure equipment in front of customers, and highlight key features.

View details
Merchandising & Sales Floor Management
Tech
MC
2/5

Organize product displays, manage shelf layout and multimedia product merchandising, handle inventory and coordinate promotions.

View details
After-Sales Service & Customer Retention
Tech
MC
1/5

Provide after-sales support, handle product returns and warranty claims, and implement customer retention strategies.

View details
Customer Advisory & Needs Analysis
Soft
MC
2/5

Welcome, listen to, and guide customers in choosing multimedia solutions suited to their needs and budget.

View details
Commercial Communication
Soft
MC
2/5

Communicate clearly about product features, simplify technical terminology, and adapt messaging to the customer's knowledge level.

View details
Consumer Law & Digital Rights Awareness
Soft
MC
1/5

Understand consumer protection regulations, warranty obligations, and intellectual property rights in the digital products domain.

View details
SEO, SEM & SERP Optimization
Tech
Celiane
5/5

SEO, SEM and SERP analysis. France TOP 10 Carpediem affiliates, PageRank 5-6/10, 0.1-1% conversion rate. Organic search strategies across 260 multilingual websites (15 languages, 5 countries).

View details
Reverse Engineering
Tech
Celiane
4/5

Reverse engineering of Google, MSN and Voila.fr ranking algorithms. Custom algorithms to analyze the weight of each HTML element in SERP ranking. Advanced statistical analysis of ranking signals and algorithmic vulnerability detection.

View details

Skills by Career Phase

Average confidence levels per skill category across major career periods

Comparative Analysis

All skills compared to each other, showing relative levels and rankings

Skills Ecosystem

How skills connect and co-occur across career experiences - hover a node to highlight its connections