Senior Java Developer
About Traffic Label
Traffic Label is a fast-growing, data-driven technology company operating in the iGaming and affiliate marketing space, building scalable products focused on performance, analytics, and automation across global markets.
Role Overview
As a Senior Java Developer, you will play a key role in building and scaling high-performance backend services within a complex, data-driven environment. You will contribute to architecture decisions, system reliability, scalability, and security across our platforms, while working closely with cross-functional teams in a collaborative and fast-paced environment.
This role combines hands-on backend development with system design, performance optimisation, and technical leadership.
Key Responsibilities
Build scalable, testable backend solutions independently from requirements through to production deployment
Own services end-to-end and guide complex features through the full development lifecycle
Integrate third-party services according to business and technical requirements
Collaborate closely with Backend, Frontend, QA, and Infrastructure teams
Contribute to architecture discussions and help shape the technical roadmap
Mentor team members on best practices, troubleshooting, and system design
Monitor, profile, and optimise application and database performance
Design and execute high-load performance testing scenarios
Work on complex SQL tasks and performance optimisation using PostgreSQL
Handle large-scale datasets with a focus on scalability and reliability
Troubleshoot production issues using logs, metrics, alerts, and monitoring tools
Skills & Experience
Strong commercial experience with Java Core and Spring Framework / Spring Boot
Proven experience designing scalable systems using RDBMS and SQL
Hands-on experience with Docker and Kubernetes
Strong understanding of JSON, JWT, HTTP(S), REST APIs, and WebSockets
Practical experience with Netty and non-blocking I/O
Experience working with logging, monitoring, profiling, and alerting tools
Strong debugging and problem-solving skills
Good understanding of system security best practices
Intermediate English level or higher for international collaboration
Experience working with high-load systems and performance optimisation
Familiarity with technologies such as Kafka, GCP, Elasticsearch, Flyway, Grafana, and Kubernetes-based environments
What We Offer
Full remote work flexibility
Generous paid time off including vacation, sick leave, and public holidays
Strong growth and career development opportunities
Opportunity to work on scalable, high-performance systems using modern technologies
Collaborative, international, and fast-moving environment
Apply To This Job
Traffic Label is a fast-growing, data-driven technology company operating in the iGaming and affiliate marketing space, building scalable products focused on performance, analytics, and automation across global markets.
Role Overview
As a Senior Java Developer, you will play a key role in building and scaling high-performance backend services within a complex, data-driven environment. You will contribute to architecture decisions, system reliability, scalability, and security across our platforms, while working closely with cross-functional teams in a collaborative and fast-paced environment.
This role combines hands-on backend development with system design, performance optimisation, and technical leadership.
Key Responsibilities
Build scalable, testable backend solutions independently from requirements through to production deployment
Own services end-to-end and guide complex features through the full development lifecycle
Integrate third-party services according to business and technical requirements
Collaborate closely with Backend, Frontend, QA, and Infrastructure teams
Contribute to architecture discussions and help shape the technical roadmap
Mentor team members on best practices, troubleshooting, and system design
Monitor, profile, and optimise application and database performance
Design and execute high-load performance testing scenarios
Work on complex SQL tasks and performance optimisation using PostgreSQL
Handle large-scale datasets with a focus on scalability and reliability
Troubleshoot production issues using logs, metrics, alerts, and monitoring tools
Skills & Experience
Strong commercial experience with Java Core and Spring Framework / Spring Boot
Proven experience designing scalable systems using RDBMS and SQL
Hands-on experience with Docker and Kubernetes
Strong understanding of JSON, JWT, HTTP(S), REST APIs, and WebSockets
Practical experience with Netty and non-blocking I/O
Experience working with logging, monitoring, profiling, and alerting tools
Strong debugging and problem-solving skills
Good understanding of system security best practices
Intermediate English level or higher for international collaboration
Experience working with high-load systems and performance optimisation
Familiarity with technologies such as Kafka, GCP, Elasticsearch, Flyway, Grafana, and Kubernetes-based environments
What We Offer
Full remote work flexibility
Generous paid time off including vacation, sick leave, and public holidays
Strong growth and career development opportunities
Opportunity to work on scalable, high-performance systems using modern technologies
Collaborative, international, and fast-moving environment
Apply To This Job