Principal Engineer
at Adtech platform - leading business from past 13+ Yrs
- B.Tech/B.E (preferably in Computer Science Engineering)
- 7+ years of hands-on programming experience in building data-driven REST APIs, services & platforms using advanced Java frameworks like Spring, Redis, Node.js etc. with deep focus on integration & scale.
- We also look for hands-on experience with Mysql, Elasticsearch (or Solr) and Nosql stores.
- Our evaluation starts with focus on computer science fundamentals, data structures & algorithms.
- You will have been learning new technologies every week and prefer folks who can use golang/rust for backend development and are familiar with equivalent data stores, index stores and pub-sub technologies.

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Job Summary:
We are seeking a skilled and experienced Java Developer with hands-on expertise in AWS, Spring Boot, and Microservices architecture. As a core member of our backend development team, you will design and build scalable cloud-native applications that support high-performance systems and business logic.
Key Responsibilities:
- Design, develop, and maintain backend services using Java (Spring Boot).
- Build and deploy microservices-based architectures hosted on AWS.
- Collaborate with DevOps and architecture teams to ensure scalable and secure cloud solutions.
- Write clean, efficient, and well-documented code.
- Optimize application performance and troubleshoot production issues.
- Participate in code reviews, technical discussions, and architecture planning.
Must-Have Skills:
- 4.5+ years of experience in Java development.
- Strong proficiency in Spring Boot and RESTful APIs.
- Proven hands-on experience with AWS services (EC2, S3, Lambda, RDS, etc.).
- Solid understanding of microservices architecture, CI/CD, and containerization tools.
- Experience with version control (Git), and deployment tools.
It is a platform for creators, influencers and celebrities to grow, manage and monetise their community. It is aimed at both established and aspiring online creators who want to pursue their passion. Our vision is to enable anyone and everyone to make a successful living doing what they enjoy.
Skills And Qualification:-
- Must have experience with any scripting language (JavaScript/NodeJS preferred)
- Experience with API-driven and highly scalable application is a plus
- Good knowledge of non-relational DB (MongoDB preferred)
- Good with data structures and algorithms
- Good to have an experience with testing framework and CI/CD pipeline
- 1+ years of experience in software development preferably B2C experience.
- Basic understanding of Frontend and client side frameworks like React, Angular, Vue will be plus
- Experience in building scalable Restful APIs & Services.
Education requirement:-
• B.Tech (computer science preferred)
Responsibilities:-
• Clarify feature requirements with product team
• Design end to end feature flow
• Write scalable and bug free code
• Take care of test and deployment pipeline
• Maintaining the existing products
Location :- Bangalore (HSR Layout,Sector 1)
Responsibilities:
- Experience and working knowledge of Java 8, Hibernate, Spring Boot, Microservices and REST API is mandatory
- Expert understanding of the object-oriented design and programming concepts
- Strong problem solving skills, data structures and algorithms and multithreading
- Good understanding of AWS and cloud-native technologies
- Knowledge of AWS services - RDS, DynamoDB, Elastic Search, Kinesis. Experience of working with AWS SDK is preferred.
- Good understanding of CI/CD and Jenkins pipeline
- Experience of writing unit tests using Junit/Mockito
- Knowledge of Integration Testing framework like Cucumber is required.
- Proficient in Git commands and branching concepts
- 4+ years JAVA/J2EE experience Spring Services, Spring Security and Rest Api's
- Spring Framework: Core Spring / Spring Boot / Spring MVC ,Rest Service
- JPA/Hibernate, JSON parsing
- Build Tool : Maven
- Apache tomcat
- Database : Any RDMS (preferably Mysql)
- SCM: Git / Bitbucket
- Java 8 Generics, SOLID Design Principle
- Strong experience on Collections Framework and Threading
- Collections: Hashmaps, Concurrent Hashmaps, Treemap, Thread pool
- SSO, PAS, JPA/Hibernate, API Integration Build, MATLAB Integration with Java, Json Conversion.
- Location : PAN India(Preferred Bangalore)
- Early joiners preferred.
JOB DESCRIPTION:
Roles and Responsibility :
- Lead and build the team in development
- Participate in the technical design of projects we made for our Clients
- Supervise and write efficient and reliable code; use best practices with our team
- Organize and participate code reviews
- Setup unit and integration tests
- Architecture and design of reusable server components
- Developing high performing REST APIs for application functionality
- Develop and maintain scalable server architecture serving millions of users every day.
Must Have Skill Sets :
- Should have 5+ years of experience in Mobile/web server and application development
- Mandatory: Strong development skills in Python ,Node.js, Typescript, Django Rest Framework, Linux, MongoDB
- Experience with client technologies like JavaScript, CSS3, HTML5, bootstrap, Angulars, React, Android App a plus
- Strong knowledge of data structures and computer fundamentals
- An ability to refract and understand large and separate code bases
- Experience with third-party libraries and APIs
- Forward-looking on potential technology choices
- Experience in building highly scalable, reliable systems
- Team handling experience.
enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java
developer roles and responsibilities include managing Java/Java EE application development
while providing expertise in the full software development lifecycle, from concept and design to
testing.
Responsibilities and Duties
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications
• BS/MS degree in Computer Science, Engineering, or a related subject
• Minimum 4.5 to 6 years of software development experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Microservice architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.
About Hop:
We are a London, UK based FinTech startup with a subsidiary in India. Hop is working towards building the next generation digital banking platform for seamless and economical currency exchange, with technology at the crux of it. In a technology driven era, many financial services platforms still lack the customer experience and are cumbersome to use. Hop aims at building a ‘state of the art’ tech-centric, customer focused solution.
moneyHOP is India’s first cross-border neo-bank providing millennials the ability to ‘Send’ & ‘Spend’ conveniently and economically across the globe using HOPRemit (An online remittance portal) and HOP app + Card (A multi-currency bank account).
This position is a crucially important position in the firm and the person hired will have the liberty to drive the product and provide direction in line with business needs.
About Individual
Looking for an enthusiastic individual who is passionate about technology and has worked with either a start-up or a blue-chip firm in the past.
The candidate needs to be a multi-tasker, highly self-motivated, self-starter and have the ability to work in a high stress environment. He/she should be tech savvy and willing to embrace new technology comfortably.
Ideally, the candidate should have experience working with the technology stack in the scalable and high growth mobile application software.
General Skills
- 1-2 years of experience in backend development.
- Bachelor's degree in Computer Science, Information Science, or equivalent practical experience.
- Exposure to Behaviour Driven Development and experience in programming and testing.
- Excellent verbal and written communication skills.
- Good time management and organizational skills.
- Dependability
- Accountability and Ownership
- Right attitude and growth mindset
- Trust-worthiness
- Ability to embrace new technologies
- Ability to get work done
- Has good code reviewing skills for conformance.
- Has good software testing skills and good code writing skills.
Technical Skills
- Exposure with back-end programming languages with hands on JAVA, Node JS etc along with Spring framework.
- Database administration and management of a hosting environment such as AWS.
- Sound understanding of relational and non-relational DB systems such as MySQL, Post-gres, MongoDB etc.
- Has experience dealing with JIRA (issue tracking tools), Confluence (knowledge management) tools.
- Experience with building and maintaining microservices.
- Experience with building and integrating the core system with external APIS.
- Good to have: Domain knowledge in the BFSI tech stack.
- Has handled scalability and worked on backend security protocols.
- Has worked on both mobile and web development.
- Has experience and inclination to work on architectural design and review.
Day-to-Day Responsibilities
- Contribute in all phases of the software development life cycle.
- Partake in software and architectural development activities.
- Conduct software analysis, programming, unit-testing and debugging.
- Transforming requirements into functional modules.
- Recommend changes to improve established application processes.
- Work quickly with a clear bias towards actions and continuous development.
- Participate in regular code reviews of peers and be open to pairing when necessary.
What we are looking for:
Strong Coding and design skills
Good command over Data Structures & Algorithms
The ability to produce bug-free and production-grade code
Skills we consider: MYSQL, Python, Django, MongoDB, React.JS, Angular.JS, D3.Js, Node.js, Express.JS, InfluxDb, Redis, Kafka, Garafana, Elastic Search, Docker, AWS, Java, Spring Boot, C++
Key Deliverables:-
1. Develop a very high sense of ownership, the zeal to build scalable applications
2. Develop a deep understanding of the start-up ecosystem
Work with a performance-oriented team driven by ownership and open to experiments
3. Build a customer-facing technology product for global customers
Design and develop end to end applications with very high quality
What we have to offer:-
1. Work with a performance-oriented team driven by ownership and open to experiments
2. Learn to design systems for high accuracy, efficiency, and scalability
Focus on delivering quality work within deadlines.
3. Candid culture. No politics.
4. As a team, we value ownership, continuous learning, consistency, and discipline.
Job Description
- Develop p2p infrastructure systems to support blockchain interoperability
- Improve engineering standards, tooling, and processes
- Coding with concurrency, efficiency and scalability as primary motive
- Rigor on Unit testing, coverage and best practices
- Document systems, build runbooks, and automate those processes
- Being hands on by writing, testing, and deploying high-performance networking code.
Required qualifications
1+ years of experience in Golang, Strong knowledge of Go programming language, paradigms, constructs, and idioms, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.
Tech Stack
Go, git, linux, bash, ability to work with Docker.
Nice to have
Experience developing in c++, cryptography and system software development experience,understanding of design patterns, understanding of operating systems, networks.











