Senior Backend Developer
at a leading Data & Analytics intelligence technology solutions provider to companies that value insights from information as a competitive advantage. We are the partner of choice for enterprises on their digital transformation journey. Our teams offer solutions and services at the intersection of Advanced Data, Analytics, and AI.
Skills: Python, Fast API, AWS/GCP/Azure'
Location - Bangalore / Mangalore (Hybrid)
NP - Immediate - 20 days
• Experience in building python-based utility-scale Enterprise APIs with QoS/SLA based specs building upon Cloud APIs from GCP, AWS and Azure
• Exposure to Multi-modal (Text, Audio, Video) development in synchronous and Batch mode in high-volume use-cases leveraging Queuing, Pooling and enterprise scaling patterns. • Solid understanding of API life cycle including versioning (ex: parallel deployment of multiple versions), exception management.
• Working experience (Development and/or troubleshooting skills) of Enterprise scale AWS, CI/CD leveraging GitHub actions-based workflow.
• Solid knowledge of developing/updating enterprise Cloud formation templates for python centric code-assets along with quality/security tooling
• Design/support tracing/monitoring capability (X-Ray, AWS distro for Open Telemetry) for Fargate services. • Responsible and able to communicate requirements.
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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.
What you'll do
You will work collaboratively in small teams and iteratively through design and development to deliver fully functioning web-based and mobile applications. In this role, you will employ agile methodologies to quickly provide our consultants with the solutions they need. You will help combine the latest open source technologies together with traditional Enterprise software products. You will be a core member of the team with responsibilities that range from driving the architecture design and technology decisions for shaping the next generation products for various internal teams to ensure that we stay on the leading edge of technology. You will also be responsible for leading multiple development teams while delivering the best in class enterprise-grade software solutions across a breadth of different platforms and technologies.
Backend
About OJ Commerce:
OJ Commerce is a fast-growing, profitable online retailer based in Florida, USA with a full-fledged India office based in Chennai driven by a sophisticated, data-driven system to run the operations with virtually no human intervention. We strive to be the best-in-class ecommerce company delivering exceptional value to customers by leveraging technology, innovation and brand-partnerships to provide a seamless & enjoyable shopping of high-quality products at the best prices to our customers.
Responsibilities:
Work with business-stakeholders to understand requirements, prototype, build and deploy it.
CRUD the backend code you own keeping maintenance, performance and security in mind.
Keep up breast of latest technologies and its ecosystem and adopt ones that aid safe product delivery at speed.
Automate the boring and mundane stuff for you prefer to be productive than being busy.
We are flat. Be responsible for professional growth of self and the team.
- Tune application for performance.
- Take initiatives and manage change to work towards business goals at speed without compromising safety.
- Coach full-stack developers on backend skills.
- Provides problem resolution support, specific to application issues, identifies and resolves problems in application software, determines symptoms and ensures accurate problem definition
Develop functional, architectural and other documentation as required for productive functioning of teams.
- Be the brand ambassador for OJ Commerce by speaking at meetups, conferences, etc.
- We are fluid. Be ready for changing dynamics in responsibilities from time to time. Exciting isn't?
- Take the lead in digital transformation of legacy applications.
What you need to shine?
- You have the prior experience in modernising legacy applications.
- You are a passionate hands-on developer with deep experience in building enterprise grade software in Microsoft ASP.NET Core, ASP.NET MVC, Web API, SOA, Micro-Services and RESTful Services with knowledge of SQL Server database.
- You have the ability to see and work on the big picture (Application Architecture) and devilish details (Complex Code).
- Strong experience in developing web applications using C#, VB.Net, .NET, LINQ, Net Framework 4.0, MVC 3/4/5, ASP.NET Web API, .Net Core etc.
- You are Cloud savvy, preferably Google Cloud.
- You have rich experience in Object-Oriented Programming (OOP) with good knowledge of practical design-patterns and its applications.
Hands-on experience in building SOA or Micro-services preferably on .NET Core.
Proven Architectural skills with high standards in Code quality
Knowledge of ReactJS/Typescript would be added advantage.
Practical experience in Agile development methodologies of using CI/CD.
Extreme Programming (TDD) experience is sought after by us.
What we Offer
- Greenfield opportunity to transform legacy backend applications to latest technology stack.
- Fast-paced start-up environment: This is not for the faint hearted; you need grit and passion as much as you need the core skills.
- Work in an interdisciplinary team where learning from one another and developing solutions cross-functionally is a key part of our culture.
- Golden opportunity to make history by making big business impact.
- Competitive salary to take good care of self and family.
- Insurance Benefits: Medical and Accident cover.
- Flexible Working Hours
• Design, build, and maintain scalable applications using Python.
• Contribute to the entire implementation process including driving the definition of improvements
based on business need and architectural improvements.
• Act as a subject matter expert for Application Software developers and Engineers.
• Handle server-side code for a production platform and contribute to new features
To be the right fit, you'll need:
• More than 4+ years of experience as a software developer in Python, with knowledge of at least one Python web framework such as Django, Flask, etc.
• Good understanding of common design patterns and architecture principles to design reliable and Scalable applications
• Strong communication skills
• Knowledge of databases line NoSQL or MongoDB
• Good to have AWS and Docker or Web services
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
the core library/language constructs.
• Knowledge of processor, memory, network and storage internals. Familiarity with I/O optimized
algorithms.
• Deep understanding of distributed systems including fault modeling, concurrency, isolation,
consensus etc.
• Internals of a RDBMS like MySQL
• Conversant with the internals of systems like Kafka, Cassandra/Scylla, Redis, RocksDB etc
• Working knowledge of hosting and network infrastructure (K8s, Envoy, etc)
• Familiarity with binary serialization protocols like thrift/protobuf/flatbuffers etc
• Familiar with gRPC, HTTP/2, QUIC, etc.
• Troubleshooting memory issues, GC tuning, resource leaks etc.
• Strong problem-solving skills, algorithmic skills and data structures.
• Productionizing machine learning pipelines using Spark/Flink/TensorFlow etc
• Familiarity with big data concepts - HDFS, hive, presto, spark, oozie, ambari, airflow, atlas,
ranger, etc. Familiarity with formats like avro, parquet, orc, arrow etc
• Good understanding of branching, build, deployment, continuous integration methodologies
• Experience in leading a team and mentoring engineers
• Attitude to get Stuff Done!
• Ability to make decisions independently.
Desired Background:
• Bachelor’s or Master’s degree in Engineering from premier institutes preferred
• 8+ years of experience in software design, development & architecture
- Good Analytical and Communication skills.
- Strong proficiency with JavaScript - Knowledge of Nodejs and frameworks available for it such as Express, etc.
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Good understanding of server-side templating languages such as Jade, EJS, etc.
- Good understanding of server-side CSS pre-processors such as SCSS, Stylus, Less, etc.
- User authentication and authorization between multiple systems, servers, and environments - Integration of multiple data sources and databases into one system
- Understanding fundamental design principles behind a scalable application
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests - Proficient understanding of code versioning tools, such as Git
➢ Agility and ability to adapt quickly to changing requirements and scope and priorities
➢ Strong proficiency with JavaScript (ECMAScript 5, 6)
➢ Knowledge of Node.js and frameworks available for it (SailsJS, Express)
➢ Understanding the nature of asynchronous programming and its quirks and workarounds
➢ Familiarity with front-end technologies
➢ User authentication and authorization between multiple systems, servers, and environments
➢ Interaction with multiple data sources
➢ Good understanding of SQL syntax
➢ Understanding fundamental design principles behind a scalable application
➢ Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform.
➢ Implementing automated testing platforms and unit tests
➢ Proficient understanding of code versioning tools, such as Git .
➢ Knowledge in the field of IOT is good to have.