
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!
Company video


Connect with the team
Similar jobs


Requirements / Experience:
- 4-8+ years of PHP application development experience
- Strong Experience using Laravel/CodeIgniter/ Symfonyframeworks
- Strong experience and theoretical knowledge of PHP
- Front end and back end development expertise
- JavaScript (Vue.js, React, node, Typescript, RequireJS)
- Front end frameworks (Bootstrap, Tailwind, etc.)
- Good background with SQL Databases (writing queries, optimization, query builders usage, ORMs)
- API development and documentation (OpenAPI)
- Troubleshooting (ability to react in the most effective manner to eliminate technical issues)
- Solution-Making (ability to propose the most effective technical solutions)
- NoSQL experience is nice to have
- Ability to work on existing live projects and do the modifications as required.
- Ability to work independently and in a team as well


Key Responsibilities:
● Work closely with product managers, designers, frontend developers, and other
cross-functional teams to ensure the seamless integration and alignment of frontend and
backend technologies, driving cohesive and high-quality product delivery.
● Develop and implement coding standards and best practices for the backend team.
● Document technical specifications and procedures.
● Stay up-to-date with the latest backend technologies, trends, and best practices.
● Collaborate with other departments to identify and address backend-related issues.
● Conduct code reviews and ensure code quality and consistency across the backend team.
● Create technical documentation, ensuring clarity for future development and
maintenance.
Requirements;
● Experience: 4-6 years of hands-on experience in backend development, with a strong
background in product-based companies or startups.
● Education: Bachelor’s degree or above in Computer Science or a related field.
● Programming skills: Proficient in Python and software development principles, with a
focus on clean, maintainable code, and industry best practices. Experienced in unit
testing, AI-driven code reviews, version control with Git, CI/CD pipelines using GitHub
Actions, and integrating New Relic for logging and APM into backend systems.
● Database Development: Proficiency in developing and optimizing backend systems in
both relational and non-relational database environments, such as MySQL and NoSQL
databases.
● GraphQL: Proven experience in developing and managing robust GraphQL APIs,
preferably using Apollo Server. Ability to design type-safe GraphQL schemas and
resolvers, ensuring seamless integration and high performance.
● Cloud Platforms: Familiar with AWS and experienced in Docker containerization and
orchestrating containerized systems.
● System Architecture: Proficient in system design and architecture with experience in
developing multi-tenant platforms, including security implementation, user onboarding,
payment integration, and scalable architecture.
● Linux Systems: Familiarity with Linux systems is mandatory, including deployment and
management.
● Continuous Learning: Stay current with industry trends and emerging technologies to
influence architectural decisions and drive continuous improvement.
Benefits:
● Competitive salary.
● Health insurance.
● Casual dress code.
● Dynamic & Collaboration friendly office.
● Hybrid work schedule.
Industry
- IT Services and IT Consulting
Employment Type
Full-time

Numerator is a data and technology company reinventing market research. Headquartered in Chicago, IL, Numerator has 1,600 employees worldwide. The company blends proprietary data with advanced technology to create unique insights for the market research industry that has been slow to change. The majority of Fortune 100 companies are Numerator clients.
Job Description
What We Do and How?
We are a market research company, revolutionizing how it's done! We mix fast paced development and unique approaches to bring best practices and strategy to our technology. Our tech stack is deep, leveraging several languages and frameworks including Python, C#, Java, Kotlin, React, Angular, and Django among others. Our engineering hurdles sit at the intersection of technologies ranging from mobile, computer vision and crowdsourcing, to machine learning and big data analytics.
Our Team
From San Francisco to Chicago to Ottawa, our R&D team is comprised of talented individuals spanning across a robust tech stack. The R&D team is comprised of product, data analytics, engineers across Front End, Back End, DevOps, Business Intelligence, ETL, Data Science, Mobile Apps, and much more. Across these different groups we work towards one common goal: To build products into efficient and seamless user experiences that help our clients succeed.
About the Role
We’re looking for a well-rounded and passionate Full Stack Software Developer to join our team in creating an amazing client experience. If you’re interested in working on all layers of a system from developing new UI controls to creating flexible and scalable data architectures with the latest technologies and tools then Numerator is for you.
This person should be self-motivated. We’re not big on constant oversight and micromanagement. We’re looking for software engineers that can take a task, get clarity as needed, and run with it to produce well-designed quality code. You need to love to code and care about quality and design.
We understand that iteration is important to good design and development. We need a person who can take iterative steps toward delivering a solution. Working with the business the entire way to stay on target and deliver amazing results.
Skills & Requirements
- Minimum 4+ years of relevant experience in Ruby
- Demonstrated experience working on application development projects and test-driven development
- A strong engineer with excellent Ruby experience working with Ruby on Rails
- Experience with Javascript and related frameworks -- Backbone, Angular, React, etc
- Experience with SQL databases – Elasticsearch is a plus
- Experience with REST services and API design
- Knowledge of unit & integration testing
- Knowledge of agile development process
- Experience with version control systems (Git, Subversion etc.)
Having experience in any of the following would be a valuable asset:
- Experience working with AWS
- Experience working with Node.js
- Basic understanding of the HTTP protocol
- Knowledge of business rules engines
- Programming experience on Unix based infrastructure
We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.
Desired candidates must have 3-6 years experience as NodeJs Developer.
Roles and responsibilities:
- Responsible for understanding functional and business requirements and translate them into effective code
- Provide support till deployment of code into production.
- Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
- Implement solutions as per the pre-defined framework /guidelines and adherence to processes
- Finding an optimal solution for the problem statement
- Conduct peer code review.
What candidate should know about:
- Excellent hands-on experience with Node.Js, Express.Js, JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
- Ability to build REST services, Authentications, MVC applications
- Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
- Experience with Elastic Search, Redis.
- Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
- Self-learning abilities are required
- Familiarity with upcoming new technologies is a strong plus
Designation: Backend Developer
Location: Mumbai (Currently Remote)
Principal Accountabilities:
- Develop, Enhance, and Modify Applications for a Global Market Environment.
- Design, Code, Test, Debug, and Document programs for corporate systems architecture.
- Work closely with Business stakeholders to define requirements for system applications
Work Dimensions:
- API integration, Application deployment, Test Driven Development & Agile methodologies
- Database designing ; (Knowledge of NoSQL databases is a plus).
- Familiarity in Unix/Linux development environments & tools including scripting.
- Designing system architecture for solving complex problems with a sound understanding of object-oriented programming and design patterns.
Work Context:
- A fast moving, high growth, entrepreneurial environment.
- Need to work on Git and work in a highly collaborative environment.
- Timely reporting is required.
- Must typically have in-depth knowledge of development tools and languages
- Ensure full legal and ethical compliance and conduct of business at all times and under all circumstances
- Attention to detail needed to maintain a global standard of work output
- Supervise, mentor, coach a small team of associates on a day to day basis for better management of their performance.
Role requirements:
- 2 to 6 years of experience in the IT industry
- 2+ years of experience in NodeJS
- Graduate degree (B.Tech/ BSc. IT) in IT/Engineering/Computer Science
- Strong problem-solving abilities
- Good communication skills.
- A good team player
• Solid experience with application frameworks such as Springboot and strong familiarty with micro services architecture and design patterns
• Familiarity with databases like MySQL, MongoDB, Redis etc
• Hands-on experience in analysis, design, coding, and implementation of complex, custom-built applications
• Exposure to CI/CD using Gitlab, Jenkins preferred
• Familiarity with Docker, Kubernetes, EFK Stack is highly desired
• Broad knowledge of web standards relating to APIs (OAuth, SSL etc.)
• Exposure to product development.
• Understand Architecture Requirements and ensure effective design, development and maintenance of multiple micro services in Java Springboot deployed in cloud within containers consuming data present in relational as well as NoSQL databases.
o The microservices shall expose APIs which allow ease of integration with variety of client apps
o Microservices should handle a scale of thousands of requests per second
• Develop communication patterns between microservices which are efficient, lightweight and secured using Kafka
• Debugging issues on a live setup
• Lead a small team of engineers
• Create test cases and technical documentation
• Maintain a high level of code quality and consistency by adhering to and enhancing the coding standards, design methodology and programming practices

- B.E/M.C. A Or B.C.A Degree in Computer Science, Engineering, MIS, Or Similar Relevant Field
- Strong Knowledge of PHP Web Frameworks E.G Laravel
- Understanding the Fully Synchronous Behaviour Of PHP
- Understanding of MVC Design Patterns
- Basic Understanding of Front-End Technologies, Such as JavaScript, HTML5, And CSS3 - Knowledge of Object-Oriented PHP Programming.
- Strong Knowledge of The Common PHP Or Web Server Exploits and Their Solutions
- Understanding Fundamental Design Principles Behind A Scalable Application.
- Integration of Multiple Data Sources and Databases into One System
- Familiarity With SQL/NoSQL Databases and Their Declarative Query Languages
- Proficient Understanding of Code Versioning Tools, Such as Git, Bitbucket.
- Understanding Fundamentals of Cloud Technologies E.G AWS
- Knowledge of Node.js And React.js Should Be an Advantage.
- Knowledge of HealthCare and e-Commerce domain will be good.
- Experience with Hibernate and Spring.
- Experience with Springboot, spring MVC
- Experience with all phases of the Software Development Lifecycle, including system analysis, design, coding, testing, debugging and documentation
- Teamwork & collaboration skills to work across organizations
- Problem solving skills to develop quick yet sound solutions to resolve complex issues
- Programming Language(s): Java, J2EE, JSON, HTML, DHTML, HTML 5, XML, EXTJS.
- Experience with XML/HTTP and Web Services
- Experience with HTML, JSP, CSS, JQuery / Ajax / JSON,
- Experience /Knowledge of Angular, React.
- Experience building J2EE based Web Applications
- Experience with MySql.



