sr java developer

We are looking for a Full Stack Developer to build scalable software solutions and contribute across the entire software development lifecycle—from conception to deployment.

You will work closely with cross-functional teams and should be comfortable with both front-end and back-end technologies, modern frameworks, and third-party libraries. If you enjoy building visually appealing, functional applications and thrive in Agile environments, we’d love to connect.

Current Technologies Used

• Backend: FastAPI (active), PHP (legacy), Java (legacy)
• Frontend: Svelte, TypeScript, JavaScript

Experience with Python and PHP is a plus, but not mandatory.

Role Responsibilities

• Collaborate with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Build visually appealing front-end applications
• Develop and manage efficient databases and applications
• Write effective and scalable APIs
• Test software for responsiveness and performance
• Troubleshoot, debug, and upgrade systems
• Implement security and data-protection measures
• Build mobile-responsive features and applications
• Create and maintain technical documentation

Candidate Requirements:

Education

• B.Tech / BE in Computer Science, Statistics, or a relevant field

Experience

• 2–4 years as a Full Stack Developer or in a similar role

Location

• Bangalore (Hybrid)

Skill Set – Role Based

• Experience building web applications
• Familiarity with common technology stacks
• Knowledge of front-end languages and libraries:
• HTML, CSS, JavaScript, XML, jQuery
• Knowledge of back-end languages and frameworks:
• Java, Python, PHP
• Angular, React, Svelte, Node.js
• Familiarity with:
• Databases: PostgreSQL, MySQL, MongoDB
• Web servers: Apache
• UI/UX principles

Skill Set – Behavioural

• Excellent communication and teamwork skills
• Strong attention to detail
• Good organizational skills
• Analytical mindset

About HighLevel

HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. We are proud to support a global and growing community of over 2 million businesses, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 4 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, and supports over 1 million hostnames.

Our People

With over 1,500 team members across 15+ countries, we operate in a global, remote-first environment. We are building more than software; we are building a global community rooted in creativity, collaboration, and impact. We take pride in cultivating a culture where innovation thrives, ideas are celebrated, and people come first, no matter where they call home.

Our Impact

As of mid 2025, our platform powers over 1.5 billion messages, helps generate over 200 million leads, and facilitates over 20 million conversations for the more than 2 million businesses we serve each month. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen. Learn more about us on our YouTube Channel or Blog Posts

About the Role

We’re looking for a Senior Software Engineer to join our Agency Module and Billing Team, which powers the foundation of our Agency Ecosystem — enabling seamless onboarding, management, and monetisation experiences for HighLevel’s agencies and their clients.

Today, over 100K agencies run their businesses with HighLevel, collectively serving 2M+ businesses of all scales — primarily SMBs. The Company Module and Agency Billing systems are at the heart of this growth, helping agencies onboard faster, manage finances effortlessly, and scale their operations with reliability and transparency.

This team builds and scales key components like Agency Signup, Agency Billing, and the HighLevel Affiliate Program, all integrated into our whitelabeled platform that empowers businesses to deliver customised experiences under their own brand. These systems are critical to the growth and sustainability of HighLevel’s ecosystem — supporting thousands of agencies and their downstream customers with robust, scalable, and secure infrastructure.

As a Senior Software Engineer, you’ll play a pivotal role in designing and evolving these core systems. You’ll work on challenges across frontend and backend architecture, distributed systems, payment integrations, and multi-tenant SaaS design — ensuring reliability, scalability, and a seamless experience for agencies across web and mobile platforms.

You’ll collaborate closely with Product Managers, Designers, and other Engineers to deliver powerful and intuitive solutions that help agencies scale faster and manage their businesses effortlessly.

Responsibilities

• Own and contribute to architecture and development across Agency Module, Billing, and Affiliate systems, driving technical excellence across frontend and backend services.
• Design and implement robust backend APIs for subscription management, payments, invoicing, and affiliate tracking, using test-driven development and scalable distributed patterns (caching, messaging, queuing).
• Deliver performant frontend experiences for agency onboarding, billing dashboards, and affiliate management using modern frameworks and component-driven architecture with strong state management principles.
• Architect secure integrations with third-party payment gateways (e.g., Stripe, Razorpay, PayPal, etc.) and internal microservices, ensuring accuracy, reliability, and compliance in all financial transactions.
• Implement and maintain observability, logging, and monitoring to ensure high availability and rapid incident resolution across critical billing and agency workflows.
• Champion platform security and compliance by enforcing best practices across authentication, authorization, data protection, and rate-limiting — ensuring the integrity of sensitive financial and user data.
• Leverage LLMs and AI-assisted tools to accelerate development, automate testing, refactoring, and documentation, while maintaining strong reliability guardrails.
• Collaborate cross-functionally with Product Managers, Designers, and other Engineering teams to ensure alignment between business goals and technical architecture.
• Participate in technical reviews, deep dives, and on-call rotations, fostering a culture of accountability, operational excellence, and continuous improvement.

Requirements

• 4+ years of hands-on software engineering experience building and scaling robust backend systems and high-performance frontend applications.
• Strong backend engineering and distributed system design skills, with hands-on experience in API development, data modeling, and systems architecture using either Node.js, GoLang or Java.
• It is preferred if the candidate has experience in TypeScript, PostgreSQL, MongoDB, and Redis as well.
• Expertise in backend performance optimization, caching strategies, and event-driven architectures (e.g., Redis, Kafka, Pub/Sub).
• Familiar with modern frontend frameworks (React, Vue, Angular), advanced UI engineering patterns, and CSS libraries like Bootstrap or Tailwind CSS.
• Advanced experience with complex state management libraries (e.g., Redux, Vuex, MobX) and architectural design of large-scale application state.
• Proven track record of optimizing frontend performance and web vitals at scale, including experience with server-side rendering (SSR), edge, or hybrid rendering architectures.
• Familiarity with frontend and backend observability - including monitoring, tracing, error tracking, and performance profiling in production (e.g., Grafana, Prometheus, Sentry, PostHog).
• Strong understanding of security best practices across the full stack—including authentication, authorization, access control, secure data flow, and privacy compliance.
• Excellent communication and cross-functional collaboration skills, able to drive complex initiatives, lead technical discussions, and mentor junior engineers.

EEO Statement:

At HighLevel, we value diversity. In fact, we understand it makes our organisation stronger. We are committed to inclusive hiring/promotion practices that evaluate skill sets, abilities, and qualifications without regard to any characteristic unrelated to performing the job at the highest level. Our objective is to foster an environment where really talented employees from all walks of life can be their true and whole selves, cherished and welcomed for their differences while providing excellent service to our clients and learning from one another along the way! Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

Around 4 years of experience in creating and implementing Web-based products using REST

API, Node.js, Angular/ React, any database MySQL or No SQL.

Ability to work in an Agile, fast-paced environment, and learn rapidly.

Bachelor degree in computer science, computer engineering or similar.

Experience creating front end applications using HTML5, Angular, LESS/SASS

Hands-on experience with JavaScript Development on both client and server-side

Experience with modern frameworks and design patterns, minimum two-year experience

with MEAN Full stack paradigm

Experience with cloud technologies is a plus

Writing clean, readable, and easily maintainable code.

Must have knowledge of project/task management tools like Jira

Familiarity with Version Control tools like Bitbucket, Git etc..

Basic Knowledge or experience in Testing (Unit and functional) preferred.

Build features and applications with responsive design

Understanding of UI, cross-browser compatibility, and web standards.

Good English communication skills, written and spoken.

Able to work with minimum supervision as well as perform under pressure and meet

Deadlines.

Able to work from our office in Vidyaranyapura, Bangalore.

 Job Description:

We are looking for a self-starter/ Full Stack Developer who can work well with minimal guidance and in a fluid environment. Proficient at programming and interacting with APIs and good knowledge of RESTful design. Customer-focused reacts well to changes, works with teams, and is able to multitask. A natural communicator who can articulate and express thoughts and explain technical concepts in clear, plain English (both written and verbal)

Key Responsibilities: 

Hands-on experience in different technologies and languages such as Java, JavaScript, HTML, CSS, ReactJS, NodeJS, MongoDB, Express JS, MySQL to develop applications. Full Stack Developers approach software holistically since you cater to both user experience and functionality. Participating in the design and creation of scalable software. Writing clean, functional code on the front- and back-end. Testing and fixing bugs or other coding issues

Position Type: Full-Time

Educational Qualifications: B.Tech/B.Sc/MCA/Relevant Degree in Computer Science.

Experience: 3+ years of hands-on experience in Front-end & Backend

Reports to: Development Manager

Roles & Responsibilities:

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve software
• Excellent scoping and estimation skills

Skills and Responsibilities:

• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Deep understanding of client-side development, coding in HTML5, CSS3, JavaScript ES6, and jQuery.
• Developing and implementing highly responsive user interface components using react
• Strong experience using a client-side MVC framework such as NodeJS, React JS, NextJS, Redux.
• Strong experience in feather JS is a plus
• Familiarity with common stacks & tech stacks.
• Strong knowledge in databases MySQL, MongoDB, web servers Apache, and UI/UX design.
• Top-notch programming skills and write code for robust software design.
• Experience in responsive design, cross-browser compatibility, and website performance.
• Knowledge of performance testing frameworks including Mocha and Jest
• Experience in object-oriented design skills.
• Aggressive problem diagnosis and creative problem-solving skills.
• Good understanding of how browsers and DOM work.
• Experience with Git.
• Experience with handling Services, RESTful, APIs.
• Knowledge of frontend CSS frameworks like Bootstrap.
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind and problem-solving skills.
• F&B (Food and Beverages) domain experience is a plus.
• Monitoring and improving front-end performance
• A passion for new consumer technology and the emerging media landscape

Work with Business Analyst/end users to understand business requirements

2. Develop Prototype, Design documents.

3. Develop code in Java spring framework and Angular to meet requirements.

4. Involve in Testing cycle and track until the Production migration.

5. Follow Quality procedures and develop documents as per SDLC methodology.

6. Receiving support calls from MES Users and generation of tickets (manually or through system)

7. Resolution of the calls

8. Routing unresolved and higher level (L2 & L3) calls to central MES teams

9. Keeping track of SLAs

10. Maintaining ticket resolution track and Resolves change request also assigned time to time.

Roles and Responsibilities

• Strong proficiency in Java and building scalable enterprise applications
• Can think of architectural design at scale
• Love solving complex and challenging problems
• Have good knowledge of design and architectural patterns
• Thrive to implement Industry’s best practices and coding standards
• High obsession for Quality and Performance
• Good knowledge on performance optimization, SQL tuning, caching techniques
• Like to collaborate with people, share knowledge, learn from others and mentor juniors

• Strong architecture and design skills and keen business sense. -
• Ownership of projects and technical areas. -
• Strong core server-side technologies experience (Java), database design & performance tuning exposure. -
• Strong OO design skills, knowledge of frameworks such as Spring/ Spring Boot/ exposure to functional programming a plus. -
• Good knowledge of nodeJS/ noSQL a definite plus. -
• Good exposure to front end/UI skills (JS, HTML, Angular). -
• Good exposure to configuration management, testing, deployment. -
• Deep knowhow of data structures, algorithms. -
• Hands on development across technologies.
• Exp- 6-8 years.
• Qual- B.E/ B.Tech (Computer Science/ Equivalent) from a premier institute.

No physical presence required for interview...All the process from interview to selection will be online…

Key Skills:

• Java, Java EE, Spring Boot, Hibernate, REST, Angular Js(2/4/5/6/7).

Job Summary:

• JAVA Developer Analyse Design and Develop Applications
• Must-Have experience in Java, J2EE, Webservices using SOAP, SPRINGS, HIBERNATE, Web Technologies, Rest full services etc.
• Experienced in client-side scripting and JavaScript frameworks, including Angular 2/4/5/6/7, jQuery, Css3, Bootstrap, HTML.
• Hands-on experience in Maven.
• Experience in Agile Development methodologies.
• Strong logical and reasoning skills with keen self-learning.
• Good in Logic
• You should be comfortable working in a team and have good communication skills.

Responsibilities:

• Write, clean, well-designed code, testable, efficient code.
• Must have a real-time exposure with object-oriented programming in Java, J2EE.
• Real-time exposure in Spring, Spring Boot, Hibernate framework, Angular Js(2/4/5/6/7).
• Collaborate with internal teams to identify system requirements.

Contact Person:- Naveen Kumar.