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**Job Title:** Back-End Developer
**Company:** Singular
**Work Conditions:**
* Hybrid work
* Official five working days
**Role Overview:**
We are seeking a skilled Backend Developer experienced in Node.js and PHP (Laravel) to build and maintain scalable backend applications and services. You will contribute to a robust infrastructure, work on building backend services in Node.js, and support/improve existing PHP/Laravel (Nova) systems. You will collaborate with engineers, participate in technical discussions, and help evolve the backend architecture and best practices. This role involves owning the performance and stability of mobile backend services, ensuring efficient API operation, proactively identifying and resolving issues, and driving rapid incident resolution. Accountability for service reliability, uptime, and seamless integration with mobile applications is expected.
**Responsibilities:**
* Develop and maintain scalable backend services and APIs using Node.js and PHP/Laravel (Nova).
* Collaborate with developers, DevOps engineers, product owners, and other stakeholders to deliver robust and secure backend solutions.
* Participate in technical design discussions and continuously improve backend architecture and performance.
* Design and implement RESTful APIs and integrations, including real-time features (e.g., WebSockets) when needed.
* Integrate with databases (SQL and NoSQL), message brokers, third-party services, and external APIs.
* Write clean, reusable, and testable code, including unit tests, and maintain high standards for code quality through reviews.
* Debug and optimize backend systems for performance, scalability, and security.
* Maintain technical documentation and API guidelines.
* Perform related duties as assigned.
**Qualifications:**
* 5+ years of professional software engineering experience, with strong hands-on backend development.
* 2+ years of backend experience in either Node.js (TypeScript) or PHP (Laravel; Laravel is a plus).
* Solid experience designing and integrating RESTful APIs (SOAP exposure is a plus).
* Strong grasp of backend architecture, scalability, microservices, and API security best practices.
* Proficiency with Git and collaborative workflows (GitHub/GitLab); familiarity with Agile processes.
* Experience with testing (unit, integration, end-to-end) using tools such as Jest, Mocha, Supertest, or equivalents.
* Familiarity with CI/CD pipelines, containerization (Docker), and orchestration (Kubernetes).
* Experience with cloud platforms (preferably AWS; GCP/Azure also valued).
**Knowledge:**
* Deep expertise in Node.js + TypeScript (Nest.js a plus) or strong knowledge of PHP (Laravel ecosystem). Both is ideal.
* Experience optimizing backends for scalability, maintainability, and performance.
* Good grasp of microservices, distributed systems, and asynchronous processing (queues; Kafka/RabbitMQ).
* Understanding of authentication and authorization mechanisms (OAuth2, JWT, OpenID Connect).
* Knowledge of relational (PostgreSQL, MySQL) and non-relational (MongoDB, Redis) databases.
* Proficient with Git and collaborative Git-based workflows. Experience with monorepo setups is a plus.
* Understanding of security principles for web and API development (e.g., OWASP Top Ten).
* Familiarity with infrastructure as code tools (e.g., Terraform, CloudFormation) is a plus.
* Proficient in written and verbal English communication.
**Personal Attributes:**
* Analytical and synthesis skills
* Problem-solving skills
* Autonomy and resourcefulness
* Sense of initiative
* Attention to detail
* Flexibility in organizing work
* Leadership and mentorship abilities
* Strong decision-making and ownership mindset
* Ability to work as part of a team
* Ability to adapt to change
* Results driven
**About Singular:**
Singular is an international iGaming software provider headquartered in Malta, with offices in North Macedonia and Georgia. We provide platform solutions to sports betting and gaming industry brands. Since 2021, we are part of Flutter International.
**Why choose us:**
* Vast opportunities for career growth and self-development.
* Generous annual leave.
* Hybrid work.
* Individual health insurance.
* Paid sick leave.
* Paid maternity & paternity leave.
* Family reward.
* Performance & referral bonuses.
* Loyalty award.
* Equal opportunities.
Singular is committed to creating an inclusive environment. We welcome applicants with accessibility needs.
**The Group:**
Singular is a member of Flutter Entertainment, a global leader in sports betting, iGaming, and entertainment, listed on the FTSE 100 and NYSE. We operate in over 100 global markets with world-class brands and cutting-edge products. Our commitment is to responsible and sustainable gaming and entertainment. We have over 8,000 colleagues across 28 offices worldwide.