INFOPARK

Senior Backend Developer

Job Description: Senior/Staff Backend Engineer (Java)
Job Title: Senior/Staff Backend Engineer
Job Type: Full-Time
Experience: 5+ Years
Location: Hybrid
Immediate joiners are preferred.

About the Role
We are seeking an experienced Senior/Staff Backend Engineer to design and build scalable, high-performance backend systems focused on time-series data. The ideal candidate will have deep expertise in Java, PostgreSQL/TimescaleDB, and event-driven architectures. You will play a key role in designing APIs, optimizing large-scale time-series queries, and building reliable distributed systems.

Key Responsibilities
Design, develop, and maintain scalable backend services using Java.
Build and optimize applications that process and store large-scale time-series data using PostgreSQL and TimescaleDB.
Design and implement event-driven architectures and CQRS-based solutions.
Develop secure, high-performance RESTful APIs for time-series data consumption.
Optimize SQL queries for high-volume, time-range data retrieval and aggregation.
Implement TimescaleDB features such as hypertables, continuous aggregates, compression, and retention policies.
Collaborate with frontend engineers to deliver APIs that efficiently support data visualization tools such as ECharts.
Participate in architecture discussions, code reviews, and technical decision-making.
Troubleshoot production issues and improve system performance, scalability, and reliability.
Mentor junior engineers and contribute to engineering best practices.

Required Skills & Qualifications
Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
5+ years of backend software development experience.
Strong expertise in Java and backend application development.
Solid understanding of CQRS and event-driven architecture.
Experience with distributed systems and microservices.
Expert-level knowledge of PostgreSQL.
Strong SQL query optimization skills, particularly for large-scale time-range queries.
Experience designing APIs for time-series data, including pagination, aggregation, filtering, and downsampling.
Familiarity with API performance optimization and scalability.

Preferred Qualifications
Experience with the Axon Framework.
Knowledge of Apache Kafka or other event streaming platforms.
Experience with Docker and Kubernetes.
Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
Experience with CI/CD pipelines and automated testing.

What We Offer
Competitive salary and performance-based incentives.
Opportunity to work on cutting-edge, data-intensive systems.
Flexible work environment.
Professional growth and learning opportunities.
Collaborative and innovative engineering culture.

Senior Frontend Developer

Job Title: Senior Frontend Engineer (Angular)
Job Type: Full-Time
Experience: 5+ Years
Location: Hybrid
Immediate joiners are preferred.

About the Role
We are looking for a highly skilled Senior Frontend Engineer with strong hands-on experience in the Angular ecosystem. The ideal candidate will be responsible for building scalable, high-performance web applications with a strong focus on reusable components, testing, and maintainable frontend architecture. Experience with data visualization using ECharts is a plus.

Key Responsibilities
Design, develop, and maintain modern, responsive web applications using Angular.
Build reusable, modular, and scalable UI components following best practices.
Develop clean, maintainable, and high-quality code with a focus on performance and user experience.
Write comprehensive unit and integration tests using modern testing frameworks.
Develop and maintain component libraries using Storybook.
Collaborate with backend engineers, designers, and product teams to deliver high-quality features.
Optimize application performance, accessibility, and cross-browser compatibility.
Participate in code reviews, technical discussions, and architecture decisions.
Mentor junior developers and promote frontend engineering best practices.

Required Skills & Qualifications
Bachelor's degree in Computer Science, Engineering, or a related field.
5+ years of frontend development experience.
Strong hands-on experience with the Angular framework (not just theoretical knowledge).
Proficiency in TypeScript, JavaScript, HTML5, and CSS3/SCSS.
Experience with Angular component architecture, RxJS, and state management.
Strong knowledge of frontend testing frameworks such as Jasmine, Karma, Jest, or Cypress.
Experience building and documenting reusable UI components using Storybook.
Familiarity with REST APIs and frontend integration.
Experience using Git and modern development workflows.

Preferred Qualifications
Experience with ECharts for interactive dashboards and data visualization.
Knowledge of frontend performance optimization techniques.
Experience with CI/CD pipelines.
Familiarity with Agile/Scrum development methodologies.

What We Offer
Competitive salary and performance-based incentives.
Opportunity to work on modern frontend technologies and enterprise-scale applications.
Flexible work environment.
Learning and career growth opportunities.
Collaborative and innovative engineering culture.

Senior Full Stack Developer

Job Title: Senior Full Stack Developer
Job Type: Full-Time
Experience: 5+ Years
Location: Hybrid
Immediate joiners are preferred.

About the Role
We are looking for an experienced Senior Full Stack Developer to build scalable, high-performance web applications and distributed systems. The ideal candidate should be comfortable working across both frontend and backend technologies, with strong expertise in API design, event-driven architectures, messaging systems, and modern DevOps practices.

Key Responsibilities
Design, develop, and maintain scalable full-stack applications.
Design and implement robust RESTful APIs and real-time communication using WebSocket or Server-Sent Events (SSE).
Build reliable and secure backend services while collaborating with frontend teams for seamless integration.
Integrate and manage message queues and event streaming platforms to support asynchronous processing.
Participate in system architecture, technical design, and code reviews.
Develop clean, maintainable, and testable code following industry best practices.
Build, deploy, and maintain applications using containerization technologies.
Collaborate with cross-functional teams to deliver high-quality software solutions.
Troubleshoot production issues and optimize application performance, scalability, and reliability.
Mentor junior developers and contribute to engineering standards and best practices.

Required Skills & Qualifications
Bachelor's degree in Computer Science, Engineering, or a related field.
5+ years of experience in Full Stack Development.
Strong experience designing and developing RESTful APIs.
Experience implementing real-time communication using WebSocket and/or Server-Sent Events (SSE).
Hands-on experience with message queues or event streaming technologies such as:
Apache Kafka
RabbitMQ
Amazon SNS/SQS
Solid understanding of distributed systems and asynchronous communication patterns.
Experience with CI/CD pipelines using tools such as GitHub Actions, GitLab CI, Jenkins, or Azure DevOps.
Hands-on experience with containerization technologies such as Docker and Kubernetes.
Strong knowledge of Git version control and Agile development methodologies.
Excellent problem-solving, communication, and collaboration skills.

Preferred Qualifications
Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
Familiarity with microservices architecture.
Knowledge of monitoring and logging tools such as Prometheus, Grafana, or ELK Stack.

What We Offer
Competitive salary and performance-based incentives.
Flexible work environment.
Opportunity to work on large-scale, cloud-native applications.
Continuous learning and career development opportunities.
Collaborative and innovative engineering culture.