JAVA Trainer

Job Title:   Remote Instructor- DevOps

Location:  Remote, Part-Time

About Scaler

Launched in 2019, Scaler is India’s leading tech education company that upskills working professionals and educates aspiring engineering students. Scaler’s industry-vetted curriculum provides solutions to real-world challenges addressing the changing dynamics of the technology industry through two flagship programs: Scaler Academy and Scaler DSML. Scaler believes in creating real-life impact by focusing on ‘impact-driven’ tech talent. Enrolled learners are mentored and taught by leaders and subject-matter experts working with leading organizations, including MAANG companies. Scaler has generated enviable career outcomes in a short period, and on average, its learners see a 4.5x RoI (return on investment) and salary hike of approximately 126%. To further redefine tech education, Scaler has launched Scaler Neovarsity - an online university that offers an outcome-focused Master’s Programme accredited with ECTS and Scaler School of Technology - a 4-year residential UG program in Computer Science. Scaler Enterprise is its B2B arm that focuses on building relationships with domestic and global organizations to provide them with industry-ready talent.

Over 900 companies have worked with Scaler for their tech recruitment needs. The startup’s parent firm, InterviewBit, is featured on the Financial Times’s Asia Pacific High Growth Companies 2021, 2022 and 2023 ranking. Valued at $710 million, Scaler is backed by marquee global investors like Peak XV Partners (formerly Sequoia Capital India), Tiger Global, and Lightrock India. It has expanded its footprints across India and the US.

Roles and responsibilities:

- Deliver weekly lectures on topics of your expertise, maintaining a high lecture rating.

- Figure out the right storytelling to enable maximum absorption of the content.

- 3 classes per week (9 Hours a week, Monday-Friday from 9pm-12am). 

Required skills:

• 5+ years of experience in DevOps roles (e.g., Security Analyst, Architect, GRC, DevSecOps)
• Strong knowledge of tools like:  AWS, DevOps tools, SIEM, IAM systems, firewalls, Cloud Security, OWASP, PKI
• Proficiency with security tools such as Wireshark, Metasploit, Nessus, and Kali Linux.
• Familiarity with DevOps, Cloud, or Software Engineering environments
• Good written communication and content creation skills
• Prior experience in course creation, bootcamp design, or tech writing
• Passion for teaching, mentoring, and instructional design
• You are high on empathy.
• You are a natural storyteller.
• You are great at problem-solving. When you see things broken, your first thoughts are on ways of fixing the given problem.

Job Description – Java Backend Lead

Job Summary

We are looking for an experienced Java Backend Lead to design, develop, and lead the development of scalable, high-performance backend applications. The candidate will be responsible for technical leadership, architecture, coding, code reviews, and mentoring developers.

Key Responsibilities

• Lead the design and development of scalable Java backend applications.
• Develop and maintain RESTful APIs and microservices.
• Provide technical leadership and guidance to the backend development team.
• Design and implement application architecture and backend solutions.
• Conduct code reviews and ensure coding standards and best practices.
• Troubleshoot complex application, performance, and production issues.
• Work closely with Product, Frontend, DevOps, QA, and Architecture teams.
• Mentor and guide junior and senior developers.
• Participate in technical discussions, design reviews, and architectural decisions.
• Ensure application performance, scalability, security, and reliability.
• Implement automated testing and support CI/CD processes.
• Participate in production deployments and provide production support.

Required Skills

• Strong hands-on experience with Java 8/11/17+.
• Strong knowledge of Spring Boot and Spring Framework.
• Extensive experience developing REST APIs and Microservices.
• Strong knowledge of Object-Oriented Programming, Design Patterns, and SOLID principles.
• Experience with SQL databases such as PostgreSQL, MySQL, or Oracle.
• Good understanding of JPA/Hibernate.
• Experience with Kafka or other messaging technologies.
• Knowledge of Docker and Kubernetes.
• Experience with Git and CI/CD pipelines.
• Knowledge of cloud platforms such as AWS, Azure, or GCP.
• Strong understanding of system design and distributed systems.
• Experience with application performance tuning and troubleshooting.
• Good understanding of unit testing and automated testing frameworks such as JUnit and Mockito.

Experience

9–18 Years

Education

IIT / NIT graduates only

Interview Process

Candidates must be available for a Face-to-Face interview in Bangalore or Mumbai.

Key Responsibilities

• Design and develop scalable, high-performance Java applications.
• Lead a team of engineers and drive technical excellence.
• Architect enterprise-grade solutions and provide technical guidance.
• Collaborate with cross-functional teams to define, design, and deliver high-quality software.
• Review code, mentor team members, and ensure engineering best practices.
• Drive system design discussions and resolve complex technical challenges.

Required Skills

• Strong expertise in Core Java and Java ecosystem.
• Excellent problem-solving and analytical skills.
• Very strong coding ability with clean coding practices.
• Strong understanding of System Design and distributed systems.
• Hands-on experience in Java Architecture and designing scalable applications.
• Experience leading engineering teams and mentoring developers.
• Good understanding of software design principles, design patterns, and performance optimization.
• Strong communication and stakeholder management skills.

Preferred Skills

• Experience with Spring Boot, Microservices, REST APIs, and cloud technologies.
• Exposure to CI/CD, containerization, and modern DevOps practices is an advantage.

Experience: 12–15 Years

Job Type: Full-time

Role: Java Lead / Technical Lead

Job Summary

We are looking for an experienced Java Lead with 12–15 years of hands-on software development experience to lead the design, development, and delivery of scalable enterprise applications. The ideal candidate should have strong expertise in Core Java, Spring Boot, Microservices, REST APIs, SQL, and cloud technologies, along with proven experience in technical leadership and mentoring development teams.

The candidate will work closely with architects, product managers, and engineering teams to translate business requirements into robust and scalable technical solutions.

Key Responsibilities

• Lead the design, development, and implementation of Java-based enterprise applications.
• Provide technical leadership and guidance to a team of Java developers.
• Design and develop scalable, secure, and high-performance microservices and RESTful APIs.
• Participate in architecture and technical design discussions and contribute to key technical decisions.
• Review code and ensure adherence to coding standards, design principles, and best practices.
• Troubleshoot complex technical issues and provide effective solutions.
• Work closely with product managers, business analysts, QA, DevOps, and other stakeholders.
• Mentor developers and conduct technical knowledge-sharing sessions.
• Identify opportunities for improving application performance, scalability, reliability, and maintainability.
• Ensure effective implementation of unit testing, integration testing, CI/CD, and automated deployment practices.
• Participate in production support, root-cause analysis, and resolution of critical issues.
• Stay updated with emerging technologies and recommend suitable solutions where applicable.

Required Skills

• 12–15 years of experience in Java/J2EE application development.
• Strong expertise in Core Java, OOP, Collections, Multithreading, Exception Handling, and Java 8+ features.
• Strong hands-on experience with Spring Framework and Spring Boot.
• Excellent experience in Microservices architecture and RESTful web services.
• Strong understanding of design patterns, SOLID principles, and software architecture.
• Good knowledge of SQL and relational databases such as PostgreSQL, MySQL, or Oracle.
• Experience with Hibernate/JPA.
• Strong understanding of data structures and algorithms.
• Experience with Git and Maven/Gradle.
• Good understanding of CI/CD pipelines and DevOps practices.
• Experience with Docker and Kubernetes is preferred.
• Exposure to cloud platforms such as AWS, Azure, or GCP.
• Experience with messaging technologies such as Kafka or RabbitMQ is an advantage.
• Strong debugging, problem-solving, and analytical skills.

Leadership & Soft Skills

• Proven experience in leading or mentoring technical teams.
• Strong communication and stakeholder-management skills.
• Ability to drive technical discussions and make sound engineering decisions.
• Ability to work effectively in a collaborative, agile environment.
• Strong ownership and accountability for technical deliverables.
• Ability to balance hands-on development with technical leadership responsibilities.

Education

Bachelor’s or Master’s degree in Computer Science, Information Technology, Engineering, or a related field.

Preferred Qualifications

• Experience working on large-scale, distributed enterprise applications.
• Experience with cloud-native application development.
• Knowledge of event-driven architecture.
• Experience with system design and high-level/low-level design.
• Familiarity with Agile/Scrum methodologies.

JOB DESCRIPTION

Experience: 5+ years

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. 5+ years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Job Description: Java Developer with Angular

Experience: 3–8 Years

Location: Mumbai

Work Mode: Hybrid

Employment Type: Full-time

Job Summary

We are looking for an experienced Java Developer with strong knowledge of Angular to design, develop, and maintain scalable web applications. The candidate should have hands-on experience in backend development using Java and Spring Boot, along with frontend development using Angular.

Key Responsibilities

• Develop and maintain web applications using Java, Spring Boot, and Angular.
• Design and develop RESTful APIs and microservices.
• Build responsive user interfaces using Angular, TypeScript, HTML, and CSS.
• Work with databases such as MySQL, Oracle, or PostgreSQL.
• Write clean, reusable, and maintainable code.
• Troubleshoot, debug, and resolve application issues.
• Participate in code reviews, testing, and deployment activities.

🚀 Senior Spring Boot Developer

Location: Indore

Company: SHJ International Tech Pvt Ltd

Industry: US Logistics

Experience: 3+ years

At SHJ International Tech Pvt Ltd, we’re not just writing code — we’re solving real-world logistics challenges for US-based clients. We’re looking for a Senior Backend Developer who thrives on problem-solving, loves working directly with customers, and wants to build custom, high-impact solutions alongside a smart and supportive team.

You’ll be joining our established backend team, collaborating closely to deliver scalable, reliable systems for mission-critical logistics operations.

💼 What You'll Do

• Build and scale backend systems using Spring Boot and Java
• 
  
• Design optimized, secure, and reliable data models using MariaDB
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• Develop and maintain robust REST APIs powering real-time logistics platforms
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• Debug, optimize, and troubleshoot performance issues
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• Engage in system design and architecture decisions that define our tech stack
• 
  
• Work closely with our existing backend team and collaborate across product, DevOps, and frontend teams
• 
  
• Interact directly with US-based customers to gather requirements and deliver tailored solutions
• 
  
• Continuously improve code quality, performance, and reliability
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👤 Who You Are

• A problem solver who thrives in fast-paced environments
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• 3+ years of hands-on experience in Java backend development
• 
  
• Proficient in Spring Boot, JPA/Hibernate, and MariaDB
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• Confident designing schemas, optimizing queries, and tuning performance
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• Comfortable with Git, REST APIs, and Agile workflows
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• Bonus points if you’ve worked with Docker, CI/CD pipelines, or cloud deployments
• 
  
• A strong communicator who enjoys collaborating with teammates and customers
• 
  

🌟 What Sets You Apart

• You don’t just write code — you build scalable, maintainable solutions
• 
  
• You take initiative, communicate clearly, and own what you build
• 
  
• You’re constantly learning and always looking to improve
• 
  
• You enjoy both working independently and as part of a team
• 
  
• You’re comfortable being the go-to person and wearing multiple hats
• 
  

🌍 Why Join Us?

• Work on high-impact logistics projects with direct customer interaction
• 
  
• Be part of an experienced and collaborative engineering team
• 
  
• Exposure to real-world business problems and rapid iteration cycles
• 
  
• Flexible work culture built on trust, ownership, and transparency
• 
  
• A place where your ideas are heard and your work makes a difference
• 
  
• Career growth opportunities through leadership exposure and diverse projects
• 
  

Job Title: Software Engineer / Senior Software Engineer – Java Backend

Experience: 5–10 Years

Location: Pune (Baner) – Work from Office (5 Days a Week)

About the Role :

We are looking for passionate Java Backend Engineers to build highly scalable, high-performance enterprise applications used by millions of users globally. The ideal candidate should have strong experience in Java, Microservices, Payment Gateway integrations, and Checkout platform development, with a product engineering mindset.

Candidates from FinTech, E-commerce, Payments, or Product-based companies will be preferred.

Key Responsibilities :

Design, develop, and maintain scalable backend applications using Java and Microservices.

Build secure, high-performance REST APIs and distributed services.

Develop and enhance Checkout platforms and Payment Gateway integrations for seamless payment processing.

Collaborate with Product, Architecture, QA, and DevOps teams throughout the SDLC.

Participate in system design, architecture discussions, and technical decision-making.

Ensure high code quality through unit testing, code reviews, and engineering best practices.

Build and support CI/CD pipelines and containerized deployments.

Troubleshoot production issues, optimize performance, and improve application reliability.

Mentor junior engineers and contribute to engineering excellence.

Required Skills :

5–10 years of backend development experience.

Strong expertise in Java, Spring Boot, Spring MVC, Hibernate/JPA.

Hands-on experience with Microservices Architecture.

Experience building RESTful APIs.

Strong knowledge of SQL/NoSQL databases.

Experience with Payment Gateway Integration (Stripe, Adyen, Razorpay, Worldpay, PayU, Checkout.com, etc.).

Hands-on experience developing Checkout and Payment Processing workflows.

Understanding of Payment Lifecycle, including Authorization, Capture, Refunds, Settlement, Webhooks, and Transaction Management.

Experience with Docker, Kubernetes, and containerized applications.

Good understanding of CI/CD pipelines using Jenkins or similar tools.

Familiarity with Git, Agile methodologies, and engineering best practices.

Strong problem-solving and debugging skills.

Preferred Skills :

Experience working in FinTech, Payments, E-commerce, or Product-based organizations.

Exposure to Cloud Platforms (GCP/AWS/Azure).

Experience with Kafka or event-driven architecture.

Knowledge of OAuth2, JWT, Keycloak, or similar authentication mechanisms.

Experience with Monitoring & Observability tools (Grafana, Prometheus, ELK, Splunk).

Performance tuning and scalability optimization experience.

Preferred Background :

Candidates from FinTech, Digital Payments, Banking Products, E-commerce, or Product Engineering companies.

Experience working on high-volume transaction systems handling secure payment processing and checkout experiences.

 Core Java Developer

Experience: 5+ Years

Employment Type: Full-time and Permanent

Location: Navi Mumbai or Gurugram

Job Description

We are looking for an experienced Core Java Developer with strong expertise in Java programming, backend development, and microservices architecture. The candidate should have hands-on experience in developing scalable applications, handling multithreading and concurrency, and working with Spring Boot.

Mandatory Skills:

• Strong hands-on experience in Core Java.
• Good knowledge of Spring Boot and Microservices architecture.
• Strong understanding of Multithreading and Concurrency.
• Experience with Java I/O and Networking.
• Understanding of JVM, Memory Management, Garbage Collection and performance tuning.
• Good knowledge of Linux/Unix environments.
• Strong understanding of object-oriented programming (OOPs) concepts.
• Experience in designing, developing, and troubleshooting backend applications.

Java + Angular

Java, spring boot, microservice, angular

5-10yrs

Hyderabad, bangalore

immediate 15days

Call or WhatsApp: 6 3 8 5 0 7 6 1 4 2