Tech Lead

 Senior Full Stack Java Developer

Location: Bangalore/ Remote

Experience: 5+ years

Shift:       U.K Shift (01:30 PM IST to 10:30 PM IST)

Summary

We are seeking a highly skilled Senior Full Stack Java Developer with strong expertise in backend and frontend technologies. The ideal candidate will have hands-on experience in building scalable applications using Java, Spring Boot, JSP, and modern frontend frameworks, along with excellent communication skills to collaborate effectively with global teams.

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications.
• Implement best practices and design patterns for clean, maintainable code.
• Work with Spring Boot, JSP, and MySQL to build robust backend services.
• Develop responsive UI components using HTML, CSS, JavaScript, jQuery, and Bootstrap.
• Optimize database queries and ensure efficient performance.
• Collaborate with cross-functional teams to deliver high-quality solutions.
• Participate in code reviews, testing, debugging, and deployment activities.
• Work in a U.K shift to support international clients and project requirements.

Must-Have Skills

• Strong expertise in Java and Spring Boot.
• Hands-on experience with JSP, MySQL, and backend services.
• Proficiency in HTML, CSS, JavaScript, jQuery, and Bootstrap for frontend development.
• Solid understanding of design patterns and software architecture.
• Strong debugging, problem-solving, and performance optimization skills.
• 
  
• Excellent communication and collaboration abilities.

Experience in Python (Only Backend), Data structures, Oops, Algorithms, Django, NumPy etc.

• Good understanding of writing Unit Tests using PYTest.

• Good understanding of parsing XML’s and handling files using Python.

• Good understanding with Databases/SQL, procedures and query tuning.

• Service Design Concepts, OO and Functional Development concepts.

• Agile Development Methodologies.

• Strong oral and written communication skills.

• Excellent interpersonal skills and professional approach Skills desired.

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

Join the Team! Full Stack Developer | 3-4 yrs experience | Remote

Do you want first-hand experience in building a startup with a small and growing team? Do you think data and tech can be a game changer?

Welcome to Co.labx: Co.labx is a tech-enabled, leadership consulting firm. At Co.labx, we are challenging the status quo & helping organisations become a force for good. We are a gender-neutral company, work remotely, partner on challenging projects with our clients, and strive to create a balance between people, planet, & profit. We now wish to enhance the role that technology plays in our work. And we have identified some exciting problem statements to push our boundaries in the next 1 year.

About the Role: At Co.labx, we’re proud to build products that accelerate the growth of organisations. To this end, we are looking to onboard a full-stack developer with previous experience working with early-stage startups. We’re looking for a candidate with 3-4 years of experience building, testing, and deploying web or mobile based applications. This individual would possess a strong product mindset, be user-centric, and be willing to experiment and build tools that enable teams to thrive.

Competencies

3-4 years of experience in the software development sector (service / product)

Experience with backend development using Ruby on Rails, Python Django, Java Spring or any other server side framework

Experience with Javascript, CSS and HTML and some frontend frameworks like React.js, Angular.js or equivalent

Experience working with relational databases (eg. MySQL or PostgreSQL)

Familiarity with RES APIs and developing endpoints in a RESTful manner

Experience writing industry-grade, well-tested code for a web-based product or service

Ability to work with uncertainty and rapidly adapting to changes

Strong leadership skills and ability to collaborate with multiple stakeholders to see a product to completion

Excellent communication skills

Expectations

Help plan and develop new software products for the organisation

Write clean, maintainable and scalable code that is production ready and well-tested

Gather requirements and understand need of new products from various teams

Use basic analytics tools and techniques to understand user behaviour and suggest changes to existing products (or enable other team members to do so)

Our pay scale for this role is between 12-15 lacs

Still here? Great, these are the next steps & an overview of the selection process:

Reach out: We love talking about our work, so drop us an email if you want to know more. And if this opportunity excites you, apply with your resume.

Showcase your work: We will share 2 short pre-works with you. We love original, well thought out work. Insider Tip - Work speaks louder than words!

Interview & Selection

If interested, reach out right away and we’re excited to get to know you!

What you need to have:

You will be a part of a full-stack creative team that is responsible for all aspects of the ongoing software development from the initial specification, through to developing, testing and launching.

• Strong knowledge of PHP, MySQL, JavaScript, jQuery, AJAX, HTML5, CSS3.

• Write clean , well-designed code

• Produce detailed specifications

• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality

• Contribute in all phases of the development lifecycle

• Follow industry best practices

• Develop and deploy new features to facilitate related procedures and tools if necessary

• Proven software development experience in PHP

• Demonstrable knowledge of web technologies including HTML, CSS, JavaScript, AJAX

• Good knowledge of relational databases, version control tools and of developing RESTful web services

• Deliver features in an end-to-end manner: technical design, development, testing, deployment, and maintenance.
• Provide technical leadership and own specific areas of the platform.
• Work closely with Product Managers to translate product requirements to engineering specifications.
• Lead code review efforts and quality efforts in your area of ownership.
• Participate in product discussions, taking ownership and initiative.
• Work independently in a fast-paced environment.
• Mentored and guide junior engineers.

Must Haves:

• Minimum 2 years of working experience in Ruby on Rails/ Python/ Node.JS.
• Strong problem-solving skills, data structures, and algorithms.
• Excellent experience on databases like MySQL, PostgreSQL, etc.
• Familiarity with tools for code reviews, version control (GIT).
• A knack for writing clean, readable Ruby/ Python/Node.JS code.
• Experience in application server hosting and monitoring.
• Understanding of fundamental design principles behind a scalable application.

Nice to Have:

• Hands-on with search platforms (Solr, Elasticsearch, etc).
• Prior experience with microservices-based architecture/SOA/distributed systems.
• Able to implement automated testing platforms and unit tests.
• Experience with common AWS service EC2, RDS, S3, SES, etc.

Key Competencies:

• Building Effective Team
• Solving Problems Creatively
• Learning Agility
• Drive For Result

* Write “clean”, well-designed code

* Produce detailed specifications

* Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality

* Contribute in all phases of the development lifecycle

* Follow industry best practices

* Develop and deploy new features to facilitate related procedures and tools if necessary

Requirements:

* Proven software development experience in PHP

* Understanding of Frameworks like Laravel, CodeIgnitor, Wordpress, Yii, etc

* Demonstrable knowledge of web technologies including HTML, CSS, Javascript, AJAX etc

* Good knowledge of relational databases, version control tools and of developing web services

* Experience in common third-party APIs (Google, Facebook, Ebay etc)

* Passion for best design and coding practices and a desire to develop new bold ideas

* BS/MS degree in Computer Science, Engineering or a related subject

Responsibilities:

• Development and Integration of user-facing design elements with server-side logic.
• Design and develop backend API services and databases to serve frontend applications.
• Code for multi-platform environments.
• Build reusable code and libraries for future use.
• Ensure responsiveness of applications.
• Optimization of the application for maximum speed and scalability.

Skills and Qualifications:

• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
• Proficient in Angular JS or ReactJS, Node.js and JavaScript.
• Integration of multiple data sources and databases into one system.
• Management of hosting environment, including database administration and scaling an application to support load changes.
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform.
• Creating database schemas that represent and support business processes in one or more database technologies such as Mongo, MySQL etc.
• Implementing automated testing platforms and unit tests.
• Proficient knowledge of a back-end programming language. (Depending on the specific case, a developer should have the knowledge of one or more of Python, Ruby, JavaScript etc.)
• Proficient understanding of code versioning tools, such as Git.

Academic Qualifications:

• Engineering degree from a reputed institute

Requirements:

• Passion for building and delivering great software with a strong sense of ownership.
• Good understanding into .Net Core and PS
• Minimum of two years of experience in building web applications using ASP.NET MVC and .NET platform in general.
• Should have strong UI development skills using HTML, CSS/JavaScript frameworks.-

     Good understanding of IIS configuration

• Strong experience with Build and Release, Agile processes and Estimation/Planning-
  
  Exposure to New Relic or similar tools to optimize web application performance
  Strong expertise in SQL programming, with experience of writing & optimizing queries that access/process millions of records-
  Experience of architecting and designing web applications and servicesTeam TA,LeadSquared (ref:hirist.com)