Full Stack Java Developer

Total Experience: 1+ years

Mode of Hire: Permanent

Required Skills Set (Mandatory): JavaScript/Node.js/Python, Web Crawling (Puppeteer/Playwright), Strong knowledge of web technologies

Desired Skills (Good if you have): HTML, Distributed Systems, Data pipelines, Proxy Management, Anti-bot Techniques

Job Responsibilities

• Design scalable web crawling solutions using modern technologies like Puppeteer and Playwright.
• Develop optimal and cost-effective methods for efficiently crawling diverse websites at scale.
• Implement robust proxy management and sophisticated anti-bot techniques.
• Create comprehensive debugging and monitoring systems for crawler performance.
• Actively contribute to technical discussions and architectural decision-making processes.

Job Requirements

• Experience in end-to-end management of large-scale distributed web crawling.
• Deep understanding of website internal mechanics, enabling innovative data extraction strategies.
• Expert-level proficiency in JavaScript/Node.js, web technologies, and anti-bot measures.
• Demonstrated ability to understand, adapt, and extend current system architectures. 
• Strong collaborative skills with the ability to work effectively within existing technical frameworks.

Preferred Qualifications

• Advanced system optimization skills.
• Proven experience with cloud platforms, databases, and distributed systems.
• Comprehensive knowledge of data pipelines and data warehousing concepts.

Culture

• Work with performance-oriented teams driven by ownership and passion.
• Learn to design systems for high accuracy, efficiency, and scalability.
• No strict deadlines, focus on delivering quality work.
• Meritocracy-driven, candid culture. No politics.
• Very high visibility regarding which startups and markets are exciting globally.

About Tracxn

Tracxn (Tracxn.com) is a Bangalore-based product company providing a research and deal sourcing platform for Venture Capital, Private Equity, Corp Dev, and professionals working around the startup ecosystem.

We are a team of 600+ working professionals serving customers across the globe. Our clients include Funds like Andreessen Horowitz, Matrix Partners, GGV Capital, and Large Corporations such as Citi, Embraer & Ferrero.

Founders

• Neha Singh (ex-Sequoia, BCG | MBA - Stanford GSB)
• Abhishek Goyal (ex-Accel Partners, Amazon | BTech - IIT Kanpur)

About Technology Team

Tracxn's Technology team is 50+ members strong and growing. The technology team is subdivided into multiple smaller teams, each owning one or more services/components of the technology platform. Ours is a young team of motivated engineers with a minimal management structure where almost everyone is actively involved in technical development and design activities. We have a team-centric culture where the ownership and responsibility of a feature or module lie with a team compared to an individual.

We work on an array of technologies, including but not limited to ReactJS, Next.js, Storybook, Webpack, Node, Mongo, AWS Lambda, Spring, Elastic Stack, MySQL, Kafka, Redis, Ansible, etc.

We value ownership, continuous learning, consistency, and discipline as a team.

Job Description:

Technical Lead – Full Stack

Experience: 8–12 years (Strong candidates Java 50% - React 50%)

Location – Bangalore/Hyderabad

Interview Levels – 3 Rounds

Tech Stack: Java, Spring Boot, Microservices, React, SQL

Focus: Hands-on coding, solution design, team leadership, delivery ownership

Must-Have Skills (Depth)

Java (8+): Streams, concurrency, collections, JVM internals (GC), exception handling.

Spring Boot: Security, Actuator, Data/JPA, Feign/RestTemplate, validation, profiles, configuration management.

Microservices: API design, service discovery, resilience patterns (Hystrix/Resilience4j), messaging (Kafka/RabbitMQ) optional.

React: Hooks, component lifecycle, state management, error boundaries, testing (Jest/RTL).

SQL: Joins, aggregations, indexing, query optimization, transaction isolation, schema design.

Testing: JUnit/Mockito for backend; Jest/RTL/Cypress for frontend.

DevOps: Git, CI/CD, containers (Docker), familiarity with deployment environments.

We are seeking strong Java Full Stack Engineers who can independently contribute across backend and frontend systems. The ideal candidate should take complete ownership of delivery, collaborate effectively with cross-functional teams, and build scalable, high-performance applications.

Key Responsibilities

• Build, enhance, and maintain full-stack applications using Java, Spring Boot, Angular
• Own end-to-end feature development — design, development, testing, and deployment.
• Develop scalable microservices and ensure system performance, reliability, and security.
• Collaborate with product, QA, and architecture teams to deliver high-quality software.
• Optimize applications for speed, responsiveness, and maintainability on both backend and frontend.
• Troubleshoot complex issues across the stack and drive solutions independently.

Technical Skills:

• Strong experience in Java, Spring Boot, and Microservices, and Angular
• Solid understanding of Core Java, LLD, Design Patterns, and basic System Design
• Hands-on experience with Kafka, MongoDB, Redis, and distributed systems
• Experience with SQL or NoSQL databases

Additional Expectations

• Ability to work with minimal supervision and deliver high-quality code on time
• Strong debugging, problem-solving, and ownership mindset
• Experience building scalable, resilient, and performant applications
• Excellent communication and collaboration skills

Language: Java, SQL , JavaScript.

Software Ideology : Design Pattern , SOLID principle , YAGNI , KISS , Microservices, CLEAN/LAYERED architecture.

Framework: Spring (Boot, MVC, DataJPA, Security), JMS(Rabbit MQ/Apache camel/active MQ), ORM tool(Criteria API/Criteria Builder/Query DSL/Springdata JPA), REST(Jersey, Spring MVC , Feign Client) , Vaadin/GWT/jHipster/Google Polymer

Database : RDMS(Oracle/, Postgresql) , NoSql(MongoDB). Subversion : SVN , Git

Preferred Knowledge: Angular, HTML/CSS, Kotlin, Kafka , JUnit/TestNG , Docker, Kubernetes

1. Responsible for writing business logic and integrating it end to end (from DB-WS to UI & vice versa).
2. Creating Rest endpoints to be used by other applications which will suffice the business requirements.
3. Deploying the applications in cloud
4. Lead and develop engineers in the engineering
5. Lead technical risk mitigation, design and planning activities
6. This role requires a level of technical experience and interpersonal skills to be able to work effectively as a team player with our internal
7. Proactive thinking with a ‘can do’
8. Improve development efficiency with new tools/frameworks
9. Responsible for server-side web application logic and integration of the work
10. Write the web services and APIs used by dependent application

• Database creation, integration, and
• Cloud Knowledge
• Using back-end frameworks to build server-side software
• Cloud computing integration
• API integration
• Security audit

Java Developer - Microservices ( 4+ Yrs) - Mumbai & Gurgaon

Java Developer - Angular ( 3+ Yrs) - Mumbai & Gurgaon

Must have 4+ years of experience in Enterprise Java 8 and above

 Strong in Core Java (Collections, Threads, Regular Expressions, concurrency, Lambdas, Reactive, Exception handling).

 Strong experience in microservices and event driven processing systems.

 Experience with architecting and implementing apps using Spring Boot, Spring Cloud including Spring MVC, Spring Boot, Spring JDBC, and Spring Cloud.

 Good knowledge on relational database (Oracle) or NO SQL database is preferred.

 Experience in writing & automating test scripts using Mockito/JUnit, SpringbootTest etc.

 Must be capable of doing code reviews and mentor the junior developers to drive towards high quality deliverables.

 Strong background culture of delivering projects with first time right / Zero defects in Production.

 Very good analytical, problem solving ability, verbal, and written communication skills.

Microservices specialists

Company Profile: Nucleus Software has been providing Products and Services to various Global and Regional Financial  institutions , from past 36 years. As a pioneer IT Service provider, Nucleus carry deep banking domain expertise and experience on latest technological trends. Nucleus’s developed platforms powers the operations of more than 150 institutions in 50 countries, supporting multiple business veritcals, accessible through Mobile and internet channels

Job description:

• Bachelor's or master’s degree in Computer Science, Information Systems, or other related field. Or equivalent work experience.
• Expertise with Java/J2EE experience including frameworks such as Spring REST, Spring Batch.
• Experience with Spring Boot, Microservices, NoSQL, caching and message queue technologies like Kafka.
• Good working knowledge of SQL databases (Oracle, SQL Server,MySql etc.,) and integrations with Spring DAO/REST/JPA.
• Integration experience consuming REST Services and developing REST Clients with third-party REST & SOAP Services with JSON/XML.
• Expertise on API concepts and technologies such as REST, JSON, XML, SOAP, YAML, GraphQL, and Swagger.
• Understanding of securing APIs with JWT/OAuth2/OpenID & Spring Security is a plus.
• Ability to manage Docker containers and exposure to Jenkins & CI/CD is a plus.
• Ability to understand business plans and apply that information into the scalable development models.
• Ability to guide, train, mentor associate engineers & collaborate with developers using agile practices.
• Proven ability to work creatively in a problem-solving environment.

Experince-6-9 yrs

Location: Noida or Chennai

Package: upto 20L

• Be responsible for engineering road map, architecture and scalability/quality of products.
• Effectively collaborate with Product managers, Business teams to develop long-term product roadmap and own release planning - in a fast-paced, evolving environment.
• Perform well in ambiguous situations. We are a startup with a significant product suite.
• Mentor and guide a team of engineers across various levels and areas of expertise. Help engineers make good architectural decisions, improve code quality and delivery.
• Be responsible for tech solutioning, architecture being deployed maintaining right balance b/w short term and long term outcomes – speed vs quality.
• Establish strong engineering best practices and champion their adoption.
• Define career trajectory for your team and share feedback regularly to help them grow.

• 7+ years of experience in end to end cloud software development with exposure in building scalable, fault tolerant and secure large scale distributed systems. At least 1-2 years managing eng. teams.
• Bachelors or Masters degree in engineering (preferably computer science or sister branches) from a reputed institute (preferably IITs, NITs, or other top engineering institutes).
• Deep expertise in Java & tech stack (Springboot) & micro service based architecture writing maintainable, scalable, unit-tested code. This position requires a good mix of hands-on and people management.
• Hands-on experience in low-level and high-level design with the ability to propose and validate system design.
• You are comfortable jamming on code refactoring, architecture and design principles.
• Sound understanding of web technologies (JS, HTML5 CSS), databases - SQL & NoSQL (e.g. Cassandra), distributed caches (e.g. Redis), message queues (e.g. Kafka).
• Knowledge of UI architectural patterns like MVVM, MVC, MVP etc is useful.
• Exposure to android app development is a good plus.
• You have working knowledge of CI/CD pipelines and infrastructure tools such as Docker, Kubernetes, Gradle, GIT, Jenkins, ELK, Prometheus, Grafana or equivalents.
• You are an opensource enthusiast with the curiosity to stay abreast of latest tech.
• Must be comfortable working in fast paced agile environments. Ability to plan, prioritise, estimate and execute releases with strong degree of predictability.
• Excellent people & communication skills.
• Experience with AWS stack is preferred.
• Experience with a high-growth startup is a plus.

Job Description:-

• Proven experience with coding using JAVA/J2EE.
• Experience developing MultiChannel responsive web application.
• experience working with Windows, Unix/Linux Operating system environments.
• Familiarity with common stacks.
• Experience/Knowledge of multiple front - end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery).
• Excellent communication and teamwork skills.    
• Willingness to travel within India or aboard for short term or long term would an added advantage.