Java Lead

Responsibilities

• Provide technology contributions in
• Working in an agile development environment
• Translating business requirements into low-level application design
• Application code development through a collaborative approach
• Doing Full-scale unit testing
• Applying test-driven and behaviour-driven development (TDD/BDD) QA concepts
• Applying continuous integration and continuous deployment (CI/CD) concepts

Soft Skills

• Should be able to contribute as an individual contributor
• Should be able to execute his/her responsibility independently
• Excellent problem-solving skills and attention to detail.
• Focus on self-planning activities
• Firm with communication skills

Mandatory Skills

• Java, Spring Boot, Python and relational / non-relational databases
• Container orchestration - Kubernetes, Docker
• Development experience in Linux environment
• Modern SDLC tooling (Maven, Git)
• Micro services design-oriented application development and deploying the same using Container orchestration in the cloud environment
• Understanding CI/CD pipeline & related system development environment

Nice-to-have Skills

• Front-end technologies (JavaScript, HTML5, CSS, Angular)

About the role:

The SDE 2 - Backend will work as part of the Digitization and Automation team to help Sun King design, develop, and implement - intelligent, tech-enabled solutions to help solve a large variety of our business problems. We are looking for candidates with an affinity for technology and automations, curiosity towards advancement in products, and strong coding skills for our in-house software development team.

What you will be expected to do:

• Design and build applications/systems based on wireframes and product requirements documents
• Design and develop conceptual and physical data models to meet application requirements. 
• Identify and correct bottlenecks/bugs according to operational requirements
• Focus on scalability, performance, service robustness, and cost trade-offs.
• Create prototypes and proof-of-concepts for iterative development.
• Take complete ownership of projects (end to end) and their development cycle
• Mentoring and guiding team members
• Unit test code for robustness, including edge cases, usability and general reliability
• Integrate existing tools and business systems (in-house tools or business tools like Ticketing softwares, communication tools) with external services
• Coordinate with the Product Manager, development team & business analysts

You might be a strong candidate if you have/are:

• Development experience: 3 – 5 years
• Should be very strong in problem-solving, data structures, and algorithms.
• Deep knowledge of OOPS concepts and programming skills in Core Java and Spring Boot Framework
• Strong Experience in SQL
• Experience in web service development and integration (SOAP, REST, JSON, XML)
• Understanding of code versioning tools (e.g., git)
• Experience in Agile/Scrum development process and tools
• Experience in Microservice architecture
• Hands-on experience in AWS RDS, EC2, S3 and deployments

Good to have:

• Knowledge on messaging systems RabbitMQ, Kafka.
• Knowledge of Python
• Container-based application deployment (Docker or equivalent)
• Willing to learn new technologies and implement them in products

What Sun King offers:

• Professional growth in a dynamic, rapidly expanding, high-social-impact industry
• An open-minded, collaborative culture made up of enthusiastic colleagues who are driven by the challenge of innovation towards profound impact on people and the planet.
• A truly multicultural experience: you will have the chance to work with and learn from people from different geographies, nationalities, and backgrounds.
• Structured, tailored learning and development programs that help you become a better leader, manager, and professional through the Sun King Center for Leadership.

About Sun King

Sun King is a leading off-grid solar energy company providing affordable, reliable electricity to 1.8 billion people without grid access. Operating across Africa and Asia, Sun King has connected over 20 million homes, adding 200,000 homes monthly.

Through a ‘pay-as-you-go’ model, customers make small daily payments (as low as $0.11) via mobile money or cash, eventually owning their solar equipment and saving on costly kerosene or diesel. To date, Sun King products have saved customers over $4 billion.

With 28,000 field agents and embedded electronics that regulate usage based on payments, Sun King ensures seamless energy access. Its products range from home lighting and phone charging systems to solar inverters capable of powering high-energy appliances.

Sun King is expanding into clean cooking, electric mobility, and entertainment while serving a wide range of income segments.

The company employs 2,800 staff across 12 countries, with women representing 44% of the workforce, and expertise spanning product design, data science, logistics, sales, software, and operations.

The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a lead developer responsible for the development of new software products and enhancements to existing products. You should excel in working with large-scale applications and frameworks and have outstanding communication and leadership skills.

Qualifications

• 2-4 years of relevant experience in developing complex enterprise applications using Java, Spring Boot, Message Queues ( like Apache Kafka, RabbitMQ, etc...),Multithreading, and SQL
• Ability to write high-quality code with speed
• Should have experience in building various end to end feature
• Product and startup background is preferred
• Have a good understanding of SDLC, Agile, and design patterns
• Have a working experience with Github and Jira tool
• Should be able to mentor and lead the team in fast-paced environments.
• High growth\Startup mindset
• Open Source contribution\Active Git profile big plus
• Interest in cloud security is a big plus
• Experience developing data center applications in cloud security, backup, and disaster
• recovery, is a big plus
• Knowledge of AWS\Azure is a big plus

• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
• Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
• Developing ideas for new programs, products, or features by monitoring industry developments and trends.
• Recording data and reporting it to proper parties, such as clients or leadership.
• Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
• Taking lead on projects, as needed.

• Well versed in Core Java, OOPs concepts, collections, multi-threading, concurrency, lambdas, and streams.
• Hands-on knowledge of Spring Core, MVC, JPA, Security, transaction
• Working knowledge of REST API designing as well as development, using Spring.
• Exposure to Spring Boot, Docker, Kubernetes, OpenShift for the microservices environment.
• Savvy with SQL and database concepts.
• Ability to use frameworks like JUnit, Mockito, etc., for implementing unit testing.
• Sound understanding of code versioning tools, such as Git/bit bucket with Maven.
• Should have worked in a CI/CD environment with TeamCity/Jenkins.

Required Skills

• As a Senior Core Java Developer, you will have a range of responsibilities from shaping and implementing strategic products to ensuring that company stays on the leading edge of technology
  • You will have generic capabilities across application development stack and strong technical expertise in one / two application layers
  • Excellent working knowledge of the following technologies:
  • Implementation exp (hands-on) on Server Side Java technologies (Core Java, Multithreading, Concurrent API’s, Executor services, collections, concurrent packages, DS/Algo, design patters/principles, basic data case, Junit/agile)
  • Design Patterns
  • SQL and Relational Databases such as DB2
  • Hands-on experience on Spring and Hibernate