Software Engineer - Python/Ruby Programming

About Sun King

Sun King is the world’s leading off-grid solar energy company, delivering energy access to 1.8 billion people without reliable grid connections through innovative product design, fintech solutions, and field operations.

Key highlights:

• Connected over 20 million homes to solar power across Africa and Asia, adding 200,000 homes monthly.
• Affordable ‘pay-as-you-go’ financing model; after 1-2 years, customers own their solar equipment.
• Saved customers over $4 billion to date.
• Collect 650,000 daily payments via 28,000 field agents using mobile money systems.
• Products range from home lighting to high-energy appliances, with expansion into clean cooking, electric mobility, and entertainment.

With 2,800 staff across 12 countries, our team includes experts in various fields, all passionate about serving off-grid communities.

Diversity Commitment:

44% of our workforce are women, reflecting our commitment to gender diversity.

About the role:

The Backend Developer works remotely as part of the technology team to help Sun King’s EasyBuy business unit design and develop software to improve its field team operations.

What you will be expected to do

• Design and develop applications/systems based on wireframes and product requirements documents. 
• Design and develop logical and physical data models to meet application requirements. 
• Identify and resolve bottlenecks and bugs based on operational requirements.
• Perform unit tests on code to ensure robustness, including edge cases, usability, and general reliability. 
• Write reusable and easily maintainable code following the principles of DRY (Don’t Repeat Yourself). 
• Integrate existing tools and business systems, both in-house and external services, such as ticketing software and communication tools. 
• Collaborate with team members and product managers to understand project requirements and contribute to the overall system design. 

You might be a strong candidate if you have/are

• Have development experience: 1-2 years backend development experience and have strong problem-solving abilities, proficiency in data structures, and algorithms. 
• Have a profound grasp of object-oriented programming (OOPS) standards and expertise in Core Java. 
• Have knowledge of SQL, MySQL, or similar database management. 
• Have Experience in integrating web services, such as SOAP, REST, JSON, and XML. 
• Have familiarity with RESTful APIs for linking Android applications to backend services. 
• Have preferred experience with version control systems like Git, but not mandatory. 
• Have additional knowledge of web technologies like HTML, CSS, JavaScript, and frameworks like Spring or Hibernate would be advantageous. 

What we offer (in addition to compensation and statutory benefits):

• A platform for professional growth in a rapidly expanding, high-impact sector.
• Immerse in a collaborative culture, energized by employees of Sun King who are collectively motivated by fostering a transformative, sustainable venture.
• A genuinely global environment: Engage and learn alongside a diverse group from varied geographies and backgrounds.
• Tailored learning pathways through the Sun King Center for Leadership to elevate your leadership and managerial capabilities.

Job Description

Roles and Responsibilities

· Design, Code, test, debug, implement and document complex WSO2 sequences.

· Monitoring and logging tool stacks - Splunk/ELK/Prometheus, Grafana 4 Design, Code, test, debug, implement and document complex WSO2 sequences.

· Perform Build activities for WSO2 ESB Middleware integration, involves writing XSLT, ESB coding, configuration, and Analysis activities.

· Trouble shooting various problems in different stages of development using logs files, Traces and Log Analyzer.

· Responsible for understanding the requirement, solution design, coordinate the development and testing activities (end to end)

· Guide the team regarding WSO2 platform best practices, framework, reusable artefacts and ensure code quality and timely deliverables.

· Work with functional and technical customers to determine solutions that drive additional business value.

· Work with Github, Azure Devops and CI tools to automate dev, build, deployment and testing.

· Good knowledge in messaging brokers: WSO2 Message Broker, Apache Kafka.

· Monitoring the server (Monitoring logs and WSO2 metrics).

· Desired Candidate Profile

Desired Candidate Profile

· Candidate must have minimum 2+ years of hands-on experience in WSO2, preferably with WSO2 certification.

· Extensive experience in Integration by using WSO2 Product Stack (API Manager 2.6/3.x, Enterprise Integrator 6.5 and Identity Server 5.7.0)

· Experience in Implementing APIs in WSO2 EI and On-boarding APIs into WSO2 API Manager

· Experience in WSO2 API Manager for designing API facades and designing and implementing API Proxies.

· Hands-on experience in designing and developing high volume web services using API Protocols and Data Formats (REST, JSON, SOAP & XML).

· Must have hands on experience / knowledge with CI tools to automate dev, build, deploy.

· Experience in programming languages: Java, JavaScript, Python

· Experience in on boarding web applications into WSO2 Identity Server for authentication and authorizatio

Qualifications

• Minimum of a Bachelor's or Master’s degree in Computer Science, or a related four-year degree.

• 4 years of hands on experience in Integration

What You will do

● Create beautiful software experiences for our clients using design thinking, lean and agile methodology.

● Work on software products designed from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala.

● Work in a dynamic, collaborative, transparent, non-hierarchical culture.

● Work in collaborative, fast-paced and value-driven teams to build innovative customer experiences for our clients.

● Help to grow the next generation of developers and have a positive impact on the industry.

Basic Qualifications

● Experience: 4+ years.

● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc.

● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable)

● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc. are good to have.

● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.

Nice to have Qualifications

● Product and customer-centric mindset.

● Great OO skills, including design patterns.

● Experience with devops, continuous integration & deployment.

● Exposure to big data technologies, Machine Learning and NLP will be a plus.

Benefits

● Competitive salary.

● Work from anywhere.

● Learning and gaining experience rapidly.

● Reimbursement for basic working set up at home.

● Insurance (including a top up insurance for COVID).

Location

Remote - work from anywhere

As a Software Development Engineer II in Hiver’s Strategic Initiative department, you will have a critical role to play in building solutions that hold high strategic value for the business. You will get a chance to work with and mentor a group of smart engineers as well as learn and grow yourself working with very good mentors. Expect lots of challenges and high levels of ownership and autonomy. You’ll get the opportunity to work on complex technical challenges, building frameworks to monitor and improve the performance of our systems, and improving reliability and performance.

You will be working on

• Building, maintaining and scaling APIs and microservices. You will own all aspects of SDLC including documentation, data modeling, and deployment.
• Participate in solution brainstorming, release planning and code reviews.
• This is the early phase of the project and you will do foundational work on multiple aspects and help define and improve engineering standards, tooling, and processes.
• Collaborating closely with co-developers, designers and other stakeholders to build dynamic and compelling user experiences while embracing emerging standards.

We are looking for

• 3+ years of hands-on experience building and maintaining production-grade services that are being used by a good number of active customers.
• 1+ year of professional experience with Ruby-on-Rails.
• Command on web fundamentals and high level knowhow frontend ecosystem and modern development practices
• Sound knowledge of design patterns and best practices for writing clean, linted, maintainable and reusable code
• Deep understanding of relational databases (eg, MySql) and data modeling concepts
• Solid foundation in Computer Science, with strong competencies in data structures, algorithms, and software design.
• An architect's mindset - we want a fast time to market but without undermining long-term prospects. You will have to continuously assess the various trade-offs when considering long-term vs. short-term benefits/drawbacks and make informed choices about the optimal approach.
• Strong analytical and debugging skills - you should be able to troubleshoot and solve issues in a timely manner.
• Ability to iterate and deliver at a fast pace - speed is of the essence.
• Solid understanding of cloud concepts and latest infra stack (AWS).
• Track record of assessing complex initiatives and coming up fairly accurate expected time of arrival (ETA) and working with a team to meet these timelines with high confidence
• Good communication skills - you should have good communication skills, both written and verbal. You should be proficient in English and be able to communicate effectively with team members and stakeholders.
• Nice to have: (optional)
• Frontend (full-stack) experience (VueJS) is a major plus

At Hiver, we value diversity and inclusion and encourage individuals from all backgrounds to apply. If you're ready to make an impact and be part of our innovative team, please apply here.

Responsibilities:

• Develop cloud-based Python Django software products
• Working closely with UX and Front-end Developers
• Participating in architectural, design, and product discussions
• Designing and creating RESTful APIs for internal and partner consumption
• Working in an agile environment with an excellent team of engineers

Skills:

• Highly proficient with Python 
• Hands-on experience with the Django framework
• Solid database skills in a relational database (i.e. PostgresSQL, MySQL, etc.)
• Strongly preferred exposure with Elasticsearch
• Knowledge of how to build and use RESTful APIs
• Strong knowledge of version control (i.e. git, svn, etc.)
• Experience deploying Python applications into production
• Amazon Web Services (AWS) infrastructure knowledge is a plus

- Working on Architecture and Standards team to validate designs and standards.

- Perform coding, bug verification, unit testing, and integration testing.