Backend
Our career map helps you take charge of your professional growth. With 10 growth levels, from L1 to L10, each step features clear milestones to support your development.

Experience
No professional experience. Entry-level: student, bootcamp graduate, or early intern.
Area of Responsibility
Supports the team by performing simple, supervised tasks. Focus is on learning backend basics, tools, and processes.
Skills
- Understands basic networking and client-server model
- Writes simple algorithms (loops, conditions, sorting)
- Has seen object-oriented code: understands classes and methods
- Uses Git for basic operations (clone, commit)
- Writes basic SQL queries by copying examples
- Follows instructions, asks questions, welcomes feedback
Experience
Up to 1.5 years of experience. Contributes to production projects with mentorship and support.
Area of Responsibility
Implements small tasks or bug fixes. Works within existing code and processes with help from more experienced team members.
Skills
- Understands HTTP methods and basic REST structure
- Applies basic algorithms and data structures
- Uses OOP in simple implementations
- Recognizes common anti-patterns (e.g., duplication, tight coupling)
- Writes basic SQL with simple joins
- Uses Git and pull requests in a team environment
- Reads and runs Docker containers based on instructions
- Communicates progress clearly, responds well to feedback
- Works collaboratively, takes responsibility for assigned tasks
Experience
2–3 years of backend development. Delivers features independently and understands system structure.
Area of Responsibility
Owns implementation of full features, contributes to stability and quality, participates in reviews and planning.
Skills
- Designs and implements REST APIs with appropriate structure and error handling
- Uses algorithms in real-world tasks (searching, caching, filtering)
- Applies OOP and functional principles (e.g., composition, abstraction)
- Follows clean code practices (DRY, KISS, SOLID)
- Works with service-to-service communication, understands request/response contracts
- Writes and modifies Dockerfiles
- Uses Kafka for event-based data flow (consumer/producer pattern)
- Contributes to CI/CD configurations
- Participates actively in code reviews
- Mentors juniors, explains decisions clearly
- Thinks through task decomposition and trade-offs
Experience
3–4 years of experience. Leads medium-complexity features, contributes to technical discussions.
Area of Responsibility
Designs backend components and systems. Collaborates with other teams and engineers. Ensures reliability and quality.
Skills
- Understands networking principles and API versioning
- Optimizes algorithms and data structures for performance
- Applies common design patterns and understands system architecture
- Designs secure APIs and implements error prevention
- Builds microservices and manages service-to-service integration
- Deploys services via Kubernetes and configures Helm charts
- Works with Kafka and asynchronous processing
- Participates in system design discussions
- Improves CI/CD pipelines and deployment processes
- Supports team culture through documentation and quality practices
- Communicates trade-offs and design choices clearly
Experience
5+ years. Drives quality and architecture of services, mentors others, and owns large areas of the system.
Area of Responsibility
Leads development of major features or modules. Ensures stability, scalability, and performance. Improves tooling and processes.
Skills
- Designs scalable, maintainable service architecture
- Builds and manages event flows using Kafka (partitions, retries)
- Applies fault-tolerant design patterns (circuit breaker, fallback)
- Works confidently with high-load services
- Maintains and optimizes CI/CD pipelines
- Deep knowledge of Docker and Kubernetes for deployment
- Leads code reviews and mentors team members
- Helps onboard new engineers
- Practices critical thinking and risk management
Experience
Leads technical initiatives across teams. Recognized as an expert in system design and platform evolution.
Area of Responsibility
Drives architectural direction, sets standards, and improves large-scale systems. Guides other engineers and influences cross-team initiatives.
Skills
- Designs system-wide architecture and integration flows
- Maintains architectural consistency across services
- Solves performance bottlenecks and plans infrastructure evolution
- Creates and maintains shared infrastructure (Kafka, CI/CD, monitoring)
- Consults on security and reliability best practices
- Mentors senior and mid-level engineers
- Writes design documents and leads architectural reviews
- Contributes to team strategy and technical vision
- Makes decisions under uncertainty with a long-term view
Experience
Senior technical leader. Influences the entire platform and business-critical architecture.
Area of Responsibility
Defines long-term technical direction. Supports architecture across domains. Helps product and business translate needs into systems.
Skills
- Leads architecture for systems spanning multiple teams
- Reviews and approves critical architectural decisions
- Advises on scaling strategies, observability, and resiliency
- Creates standards and patterns used across engineering
- Works closely with engineering managers and product stakeholders
- Advocates for technical health in leadership discussions
- Drives refactors, migrations, or modernization projects
- Documents best practices and facilitates knowledge sharing
Experience
Experienced backend engineer with leadership responsibility. Combines deep technical expertise and people guidance.
Area of Responsibility
Owns technical delivery of a team. Ensures quality of implementation, roadmap alignment, and collaboration with stakeholders.
Skills
- Organizes team work around backend delivery
- Makes architecture decisions that balance speed and scale
- Reviews and finalizes service designs and system integrations
- Coordinates with other teams to align interfaces and expectations
- Oversees infrastructure and release readiness
- Represents engineering in cross-functional discussions
- Maintains balance between business delivery and technical quality
Experience
Entry-level, little to no prior professional experience in frontend development.
Area of Responsibility
Learning and applying basic frontend concepts, writing simple components under supervision.
Skills
HTML/CSS: Understanding and using basic HTML elements and CSS styles.
JavaScript: Familiarity with basic JavaScript (ES6+) concepts.
Git: Basic version control operations, understanding of repositories.
Soft Skills: Effective communication, openness to feedback, willingness to learn and improve.
Experience
More then 1 year of experience in frontend development.
Area of Responsibility
Developing small features, fixing bugs, and understanding project architecture.
Skills
HTML/CSS: Proficient in semantic HTML and CSS preprocessors (e.g., Sass).
JavaScript: Knowledge of ES6+, basic use of libraries like Vue.js or React.
Version Control: Confident use of Git, contributing to code reviews.
Soft Skills: Basic teamwork and communication, handling constructive criticism.
Experience
More then 2 years of solid frontend experience.
Area of Responsibility
Developing features independently, improving existing components, participating in code reviews.
Skills
JavaScript & Frameworks: Deep knowledge of ES6+, Vue.js ecosystem, understanding UI component libraries.
Coding Practices: Writing clean and maintainable code, understanding coding patterns and principles.
Infrastructure: Familiarity with build tools (Webpack, Babel) and CI/CD pipelines.
Soft Skills: Working well in a team, basic problem-solving and critical thinking.
Experience
More then 3 years of experience in frontend, capable of handling complex tasks.
Area of Responsibility
Leading feature implementation, optimizing performance, and mentoring juniors.
Skills
Advanced JavaScript: Mastery of core concepts, meta-frameworks, and server-side rendering (SSR).
Testing: Writing unit tests and understanding end-to-end testing frameworks.
Optimization: Improving load times, optimizing SEO, and handling responsive design challenges.
Soft Skills: Effective collaboration, taking initiative, and providing constructive feedback.
Experience
More then 4 years of frontend development experience.
Area of Responsibility
Designing and implementing complex systems, contributing to architectural decisions.
Skills
Architecture & Patterns: Understanding design patterns, OOP, and functional programming.
Security: Awareness of common vulnerabilities and how to mitigate them.
Performance Tuning: Deep understanding of browser performance and optimization.
Soft Skills: Strong communication, mentoring, and conflict resolution skills.
Experience
Recognized as an expert in frontend development.
Area of Responsibility
Driving project quality, ensuring best practices, leading codebase improvements.
Skills
Frontend Mastery: Proficient in multiple frameworks (Vue.js, React, Angular), full understanding of TypeScript.
Code Review & Testing: Leading code reviews, implementing automated testing strategies.
CI/CD & Infrastructure: Advanced setup and maintenance of continuous integration and delivery.
Soft Skills: Strategic thinking, decision-making, and adaptability to change.
Experience
Strategic leader in frontend development.
Area of Responsibility
Shaping the technical direction, mentoring senior engineers, overseeing large projects.
Skills
Strategic Planning: Defining and implementing frontend strategies, architectural design.
Innovation: Proposing innovative solutions, optimizing frameworks and libraries.
Stakeholder Communication: Effectively interacting with product owners and management.
Soft Skills: High-level collaboration, influencing team direction, handling complex challenges.
Experience
Extensive experience in leading frontend projects and teams.
Area of Responsibility
Technical leadership, architecture design, and ensuring project alignment with company goals.
Skills
Technology Leadership: Guiding the team on technical implementations, making strategic tech decisions.
Code Quality: Establishing and maintaining coding standards, enforcing best practices.
CI/CD & DevOps: Expertise in infrastructure, server configuration, and deployment strategies.
Soft Skills: Effective delegation, inspiring and motivating the team, strategic decision-making.
Experience
Senior-level backend engineer with growing leadership responsibilities. First experience managing people or a team’s delivery.
Area of Responsibility
Manages a small team of backend engineers. Ensures high-quality feature delivery and team performance. Balances tech, people, and process.
Skills
- Delegates tasks, manages team execution and planning
- Coordinates development efforts and unblocks engineers
- Ensures code quality, testing, and maintainability within the team
- Participates in hiring and onboarding processes
- Organizes knowledge sharing, retrospectives, and team rituals
- Communicates progress and risks to product and management
- Supports team in choosing the right tech, but doesn’t own cross-team architecture yet
- Offers regular feedback, motivates and develops engineers
Experience
Experienced team leader managing multiple engineers or teams. Strong technical background with management maturity.
Area of Responsibility
Owns delivery of a backend unit or cluster of teams. Focuses on scaling processes, growing people, and aligning engineering with business needs.
Skills
- Manages 2+ teams or a functional group of backend engineers
- Defines and enforces team-level goals, quality metrics, and KPIs
- Participates in architectural planning and leads backend-wide tech initiatives
- Owns hiring pipeline and staffing plans
- Coaches Team Leads, supports their development
- Builds strong collaboration with product, design, and other engineering functions
- Maintains high psychological safety and sustainable pace
- Drives continuous improvement and engineering excellence
Experience
Veteran engineering leader. Owns the entire backend direction and represents it at the company level.
Area of Responsibility
Responsible for backend vision, strategy, and long-term development. Aligns backend engineering with company goals, tech roadmap, and product priorities.
Skills
- Sets technical vision and strategic backend goals
- Oversees architecture at the organizational level
- Defines hiring strategy and team structure for backend organization
- Builds and mentors leadership pipeline (EMs, TLs, Principal Engineers)
- Drives innovation and large-scale improvements
- Reports backend results to executive stakeholders
- Balances cost, speed, risk, and technical debt across the org
- Acts as a culture carrier for engineering maturity, values, and quality
Experience
Senior-level experience with a focus on leadership and team management.
Area of Responsibility
Managing the frontend team, ensuring project delivery, and aligning with stakeholders.
Skills
Project Management: Planning and coordinating tasks, prioritizing work for team members.
Team Development: Mentoring and coaching, organizing training sessions for skills enhancement.
Communication: Handling stakeholder expectations, managing team dynamics.
Leadership Skills: Decision-making, conflict resolution, and fostering a collaborative environment.
Experience
Extensive experience in both frontend development and leadership.
Area of Responsibility
Overseeing the entire frontend department, defining the vision, and driving strategic initiatives.
Skills
Strategic Leadership: Setting goals, driving innovation, and overseeing large-scale projects.
Process Improvement: Developing and implementing processes to improve team efficiency.
Hiring & Development: Building and growing the team, managing recruitment, and team development.
Executive Communication: Reporting to top management, presenting the department’s achievements and plans.
