Java/Scala + Data Engineer

About Sun King

Sun King is the world’s leading off-grid solar energy company, providing affordable solar solutions to the 1.8 billion people without reliable access to electricity. By combining product design, fintech, and field operations, Sun King has connected over 20 million homes to solar power across Africa and Asia, adding more than 200,000 new homes each month. Through ‘pay-as-you-go’ financing, customers make small payments to eventually own their solar systems, saving money and reducing reliance on harmful energy sources like kerosene.

Sun King employs 2,800 staff across 12 countries, with expertise in product design, data science, logistics, customer service, and more. The company is expanding its product range to include clean cooking, electric mobility, and entertainment solutions, all while supporting a diverse workforce — with women making up 44% of the team.

About the role

The Senior Software Developer - Backend will work as part of the Digitization and Automation team to support 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 coherent 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 software and communication tools) with external services.
• Coordinate with Product Manager, development team, & business analysts.

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

• A minimum of 4 years of experience.
• Deep knowledge of OOPS concepts and programming skills in Core Java, Spring Framework.
• Experience in web service development and integration (SOAP, REST, JSON, XML).
• Should be very strong in problem solving, data structures, and algorithms.
• Strong experience in SQL.
• Experience in the AWS suite (Ec2, RDS, Lambda, API Gateway).
• Experience in scripting languages like Python.
• Experience in Microservice Architecture.
• Prior managing/mentoring experience.
• Knowledge of best software engineering practices for all stages of the software development life cycle, including coding standards, code reviews, testing, and deployment. 

Good to have:

• Knowledge on messaging systems RabbitMQ, Kafka.
• 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.

• 5-8 years of experience as a Java/J2EE developer.
• 1-3 years of experience with Angular / React is desirable.
• 1-3 years of experience in using Spring and Spring Boot frameworks.
• Thorough knowledge of server-side development.
• Proven experience as a Full Stack Developer or similar role.
• Good understanding of web services (WSDL SOAP, RESTful).
• Hands-on experience in using Application Servers like WebSphere.
• Expertise in relational databases (Oracle, SQL Server).
• E-commerce domain knowledge is desirable.
• Prior experience in developing desktop and mobile applications.
• Familiarity with common stacks.
• Knowledge of multiple frontend languages and libraries, like HTML/ CSS, JavaScript, XML, jQuery.
• Experience in implementation of Microservices
• Experience with AWS (S3, SQS, SNS, ECS, EC2, ALB, API Gateway, Lambda, etc.) is highly desirable
• Good understanding of Docker & Kubernetes is highly desired.
• Familiarity with databases (MySQL, MongoDB, PostgresSQL), web servers (Apache), and UI/UX designs.

Job Title: Java Developer - Immediate Joiners Only

Recro, a leading software development company, is currently seeking a skilled and motivated Java Developer to join our team. If you have a minimum of 3 years of experience in Java development and are eager to work on exciting projects, we encourage you to apply for this opportunity.

Responsibilities:

- Collaborate with a team of talented developers to design, develop, and maintain high-quality Java-based applications.

- Write clean, efficient, and maintainable code, adhering to industry best practices and coding standards.

- Analyze requirements provided by product managers and technical leads and translate them into technical specifications.

- Conduct thorough code reviews, identify and address performance bottlenecks, and ensure the overall reliability and scalability of the software.

- Troubleshoot and resolve issues related to Java applications, identifying root causes and implementing effective solutions.

- Stay up-to-date with the latest trends and advancements in Java development to continuously enhance our software offerings.

- Ensure timely project delivery and maintain a high level of code quality throughout the development lifecycle.

- Collaborate with cross-functional teams to ensure smooth integration of different software components.

Requirements:

- Minimum 3 years of professional experience as a Java Developer, with a proven track record of delivering successful projects.

- Strong proficiency in Java programming language and associated frameworks.

- Hands-on experience with Spring and Spring Boot frameworks.

- Familiarity with web services, RESTful APIs, and microservices architecture.

- Excellent understanding of object-oriented design principles and software development patterns.

- Proficient in database design and SQL queries, with experience in working with popular databases.

- Strong problem-solving skills and the ability to think critically to develop innovative solutions.

- Self-motivated and detail-oriented, with the ability to work both independently and as part of a team.

- Excellent communication skills to effectively collaborate with team members and stakeholders.

- Must be willing to work from our office location [mention office location] on a full-time basis.

If you are a Java Developer looking for a new opportunity to showcase your skills and contribute to exciting projects, apply now to join the talented team at Recro. Immediate joiners are preferred, and we look forward to reviewing your application.

Overview of the role

As a Node Developer you will be collaborate with cross-functional teams to define, design and build performant modern web applications and services. Build high-quality web applications and services by writing clean and modular code.

Must have skills

• Overall 3-5 Years of experience in writing unit and integration tests to ensure the robustness and reliability of web applications and services.
• Measure and improve the performance of microservices. Catalyse growth within the team through code reviews and pair programming to maintain high development standards
• Investigate operational issues to find the root cause and propose improvements Design, build, and maintain APIs, services, and systems across Stripe’s engineering teams.
• Expert level of experience in the design and development of Web Applications, and highly scalable distributed systems.
• Should have experience in development skills using the latest technologies including NodeJS(fastify framework), Microservices, PostgreSQL, Redis, etc. Should have exposure to NoSQL and SQL development.
• Comprehensive knowledge of physical and logical data modeling, and performance tuning.
• Should possess excellent communication, presentation, and interpersonal skills.
• Ability to work collaboratively and productively with globally dispersed teams.
• Build high-performance teams and Coach teams for successful career growth.
• Experience working with relational and non-relational databases, query optimization, and designing schema

Desired Background

Bachelors/Masters Degree in Computer Science, Information Technology

Experience:4-7years

Package: Exp- 3.5X max

Location: Hyderabad Location (WFO)

Skillset: Java developer with spring boot and microservices

Note: If you get selected you need to come and work in the office Hyderabad location

Required Education:

B.Tech./ BE - Computer, IT, Electronics only

Required Skills:

• 3+ year of experience in Development in JAVA technology and springboot
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 4+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

As an Associate Software Engineer, you will have the opportunity to collaborate on the creation and maintenance of scalable, high-quality software as we grow. You'll work closely with the CTO and quickly gain skills and responsibilities as the team and the technical requirements grow.

Primary Responsibilities

• Develop RESTful APIs leveraging Django classes, ORM and Postgres Database
• Develop solutions that meet business objectives while leveraging industry best practices
• Write high-quality source code to program complete applications within deadlines
• Troubleshoot and debug applications

Technical Competencies

• Expertise with Python language
• Experience with Django: maintaining APIs
• Familiarity using Git, code repositories, branching and merging strategies
• Ability to break down complex concepts, tasks, or problems into more simple, understandable language and action plans
• Excellent communication skills, and attention to detail
• Good Documentation skills

Perks

• Work from home
• Flexible work schedule
• Flexible standup meetings

Interview Process

• Two technical rounds with Senior Developer and CTO
• Cultural Fit interview with Project Manager

Please do not apply if you don't have professional Django work experience.