
Desired Experience
3+ years
Job Description
What You’ll Do
- Design financial systems for scale. Measure, plan, iterate.
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Setup and own the engineering architectures built around event sourcing, application sharding, database sharding, service communication mesh, etc.
- The tech: Go, Google Cloud Spanner, Kafka, Redis
What you bring to the table
- 3+ years of experience. Relevant experience is preferred.
- Knowledge of 2 common programming languages - Java & Node / Rust /Python & Go
- Comfortable in linux command line, AWS or GCP
- Strong unit test and debugging skills
- Great communication skills
Bonus if you have…
- Love building great products and engineering systems from scratch
- Are a Self-starter, Hustler and Curious to Learn
- Have an understanding of fundamental design principles behind a scalable application
- Thrive in an early-stage startup environment with less stability and more ambiguity
- Have an interest in financial products and/or cryptocurrency

About AJACKUS
About
Ajackus is a people-centric technology company that helps small to medium-sized businesses and digital startups grow faster. With 11 years of experience in creating purposeful impact, we assist clients in enhancing their technological capabilities by building highly efficient and accountable remote technology teams that use a patented architecture to create secure and scalable business solutions.
We’ve been recognized as a ‘Great Place To Work’ and are intentional about creating a diverse and flexible culture for our team. We believe in our values, our culture, and in providing a platform for every individual to share their suggestions and ideas through an ownership-based model. For our strong ethics and value system, we have been recognized by the Government of India under the 'Companies that Care' initiative.
Ajackus has team members working from every part of India, our hybrid work policy allows us the flexibility and choice to work from anywhere while being productive and efficient. We provide a lucrative bouquet of benefits that don't just focus on great compensation structure but cover the holistic perspective of an associate's life.
Our solutions have saved lives (Healthcare), brought transparency in commerce (Fintech), helped people with the assets for life (Real-Estate), and allowed people to build on top of what we have created (Open Source). Besides these, we have extensively explored emerging technologies like IoT, AI/ML, and worked in industries like electronics, telecommunication, e-commerce, mental health & wellness, travel, media & publishing, entertainment, etc.
Our philosophy is simple, we may not know all the answers, but we know how to find all answers. Come, join us, in this journey to create a true impact in the world!
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Expectations
- Sound knowledge of Core Java, JSP, Servlets & MVC, Spring
- Good knowledge of Java Script, Ajax
- Good knowledge of My SQL database server
- Experience in working with IDE like Eclipse or Netbeans
- Knowledge of Spring would be an advantage
- Great problem-solving attitude
- Strong OOP & OOAD fundamentals
- Knowledge of Java EE Design pattern
- Technical hands on Spring, Spring Security, Hibernate, JPA, Struts, OO JS, XML, Webservices (Restful, JAX-WS).
- Nice to have knowledge of Liferay, Amazon EC2, Google App Engine, Restful services, jQuery, YUI, EstJS (Sencha), frameworks.
Responsibilities
- Understand the BRS / SRS document
- Coordinate with Team lead/DBA to understand the System design and Database design
- Development and Unit Testing
- Bug fixing and Change Request implementation


- Must have hands-on experience in web applications development, and open-source technologies stack (Node.JS, React JS, Gatsby, PHP, etc.).
- Resolution conflicts and understands the logical implementation to find optimal solutions.
- Experience in developing end-to-end solutions and backend architecture.
- Ability to apply advanced concepts, and contribute to the development of innovative principles and ideas.
- Advanced knowledge of back-end configuration and deployments.
- Advanced understanding of RDBMS and NoSQL databases.
- Advanced knowledge Git source code management.
- Minimum 8 years of experience required.


About us:
HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.
We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.
To know more, Visit! - https://www.happyfox.com/
We’re looking for a Lead Backend Engineer with 5+ years of experience in building web services to join our engineering team to help architect, build and run our growing list of products. You should have prior experience being responsible for building sufficiently complex products/services and mentoring software engineers.
Responsibilities:
- Lead a team of engineers working on our product roadmap. You are expected to contribute to feature development with hands-on development tasks
- Oversee software architecture, source control workflows, and CI/CD processes and perform code reviews to ensure exceptional code quality
- Improve the development experience and the quality of the codebase. You will define and uphold best practices and coding standards for the team
- Responsible for architecture and design decisions
- Own stability and performance of the service that you work on
- Work with the Engineering Manager to ship stable software on time
- Contribute to the vision and long-term strategy in your area of expertise
Requirements:
- 2+ years of experience in a technical lead role designing and building complex backend systems
- 5+ years of professional software development experience
- Excellent knowledge of best practices and coding patterns
- Deep knowledge of backend programming languages like Python and web application frameworks like Django
- Solid experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
- Proficiency with Amazon Web Services (AWS) or Google Cloud Platform or Azure
- Extensive experience with Linux/UNIX production environments
- Strong sense of quality in terms of both program architecture and code style
- Passion to dig into technically complex problems to troubleshoot and figure out a solution
- Desire to continuously improve and ship the best quality product
- Pragmatic approach to make sure technical decisions align with actual business needs.
- Good understanding of the trade-offs when building for product value, reliability, or performance
- Excellent communication skills with the ability to discuss and explain your point of view clearly and effectively
- An engineering degree is a must(B.E. CS preferred)
- Experience in Node.js Frameworks
- Hands-on experience with MongoDB
- Strong proficiency with JavaScript, Socket IO, ExpressJS & SailsJS
- Experience working with third-party developer tools, including documentation, APIs, and SDKs
- Good Grasp of Asynchronous Programming and Its Workarounds
- Database Schema design for Business Processes
- Working Knowledge of JWT based passport Authentication
- Can Write and Refactor Efficient Codes
- Experience in Implementing Data Protection
- Must have demonstrated the ability to deliver high-quality products on time
- Knowledge of GIT, SVN technology
● Strong knowledge of data structures and designing for performance, scalability and availability.
● Solid understanding of multithreading, MVC, and strong OO skills.
● Good understanding of micro services architecture.
● Good understanding of development tools and processes.
● Good knowledge of cloud environment GCP, AWS
● Code, develop, design and architect the product.
● Design, implement and maintain highly scalable, multi-tier, distributed server software applications.
● Deliver across the entire product life cycle, design, build, deploy, test, release and support.
● Working directly with developers and product managers to conceptualize, build, test and release
products

As a Senior Software Engineer, you will work closely with the Tech/Team Lead, and the rest of the engineering team to build and scale a data-driven platform.
This role will act as a great springboard to accelerate career growth & transition into a Lead level role.
Your primary focus will be the development of server-side logic, building new services and APIs, developing UI components, supporting the maintenance of current APIs, reviewing work, and improving the performance and reliability of our systems as we rapidly scale our product and organization
- An effective Senior Software Engineer will be a self-motivated learner; a highly creative engineer having obsessive attention towards detail and thoroughness.
- You’ve been building web applications professionally for 4+ years
- You’re proficient in NodeJS, TypeScript, MySQL, and MongoDB
- You possess strong OOP and design pattern knowledge
- Familiar with modern engineering practices: Code Reviews, Continuous Deployment, Automated Testing, etc
- You write understandable, testable code with an eye towards maintainability and experience with TDD (Test Driven Development)
- You’ve got the ability to build RESTful APIs
- Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
- Well versed with the fundamentals of computer science and distributed systems
- FrontEnd experience; (Good to have) Angular
- Startup experience, preferably a tech startup
- Open Source contributor
- You have experience with other programming languages -- e.g. Python, Ruby, PHP, Go, C, etc.
- Passionate about/experienced with open source and developer tools
- You have a bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience

• Build out our web architecture allowing new feature modules to be sent to production, while having
strategic foresight on long term product vision.
• Software development project management from transforming requirements into technical specifications,
design, code, and tested systems.
• Closely involved in development life cycle right from concept stage to delivery and post- launch support.
• Keep abreast of new trends and best practices in web development and explore new technologies.
• Document the development process, architecture, and standard components.
• Coordinate with co-developers and actively participate in code reviews , bug fixing code /architecture.
• Brainstorm and solve problems and put effort in constant improvement in technical front .
• Perform frequent peer reviews.
• Participate actively in demos / S&T.
• Share knowledge through collaboration, training, peer review, presentations, and articles.
• Track record of delivering in Scrum, Agile and other methodologies.
• Proficiency in establishing processes and tools to enable team productivity when developing websites
(version control, automatic build, code review).
• Strong verbal and written communication skills and cognitive ability.
• Contribute towards a positive healthy fun and creativity driven culture.
Must Have:
• Strong aptitude towards problem solving with a hacker mindset.
• Should have infinite love towards Linux and respect open-source development.
• Should have sound knowledge of core PHP, MVC Frameworks Laravel preferred.
• Familiarity with limitations of PHP as a platform and its workarounds.
• Should be excellent in SQL/NoSql database (Surprise us we are constantly pushing out DB architecture).
• Basic Knowledge of Frontend Technologies to easily communicate in terms of Front end Lingos.
• Experience with Agile development methodologies.
• Experience in building high secure components, encryption techniques.
• Experience in building event based and queue based Infrastructure.
• Experience with multi-tier system and service design and development for large scale systems.
• Extensive, real-world experience designing technology components for enterprise solutions and defining
solution architectures and reference architectures with a focus on cloud technologies.
• Passion for best design and coding practices and a desire to develop new bold kickass ideas.
• Experience with caching and scaling techniques.
• Experience with cloud infrastructure is must AWS/GCP/DO.
• Good to have experience with any tool such as Jenkins, Gitlab Devops building pipelines, CI/CD automation.
• Eager to learn new languages and experiment / explore new technologies.

Job requirements
- A strong engineer with excellent Ruby experience working with Ruby on Rails
- Experience with Node.js
- Experience with SQL/nosql databases(Postgresql, cassandra, MongoDB)
- Experience with REST services and API design
- Experience with building the system for scale
- Experience with version control systems (bitbucket, git etc.)
- Experience working with AWS
- Experience with docker/microservices will be an added advantage
- Knowledge of unit & integration testing
- Knowledge of agile development process, jira
- Strong knowledge of algorithms and Data structures
- Basic understanding of the HTTP protocol
- Demonstrated experience working on application development projects and test-driven development. Experience in writing high quality code
- Knowledge of blockchain technology, smart contracts and cryptocurrency will be an added advantage
- Experience in fintech domain will be another added advantage
- Bachelor’s degree in computer programming, computer science, or a related field.
- Fluency or understanding of specific languages, such as Java, PHP, or Python, and operating systems may be required.
- 3+ years of experience with Ruby On Rails.
- Strong Project & Time Management Skills, along with the ability to apply these skills while working independently, or as part of a team.



