Java Developer

Job Title: Java Developer (Code Craftsperson)

Location: Chennai (Work From Office – Let’s build something amazing together!)

Experience: 2-4 years (You’ve been crafting high-quality Java applications like a pro!)

About the Company:

F22 Labs is a startup software studio based out of Chennai. We are the rocket fuel for other startups across the world, powering them with extremely high-quality software. We help entrepreneurs build their vision into beautiful software products (web/mobile). If you're into creating beautiful software and solving real problems, you’ll fit right in with us. Let’s make cool things happen!

Position Overview:

If you can write clean, maintainable, and efficient Java code, we want you! As a Java Developer at F22 Labs, you’ll be responsible for developing high-performance, scalable applications using core Java and cutting-edge technologies like Spring, Hibernate, and microservices. You’ll get the chance to work on exciting projects, collaborate with brilliant minds, and contribute to building top-notch software solutions. Ready to jump in? Let’s do this!

Key Responsibilities:

• Design, develop, and maintain robust Java-based applications that scale.
• Collaborate with the design, product, and backend teams to deliver high-quality software.
• Build microservices-based architectures using modern tools and techniques.
• Integrate and consume RESTful APIs to connect various services and systems.
• Write clean, efficient, and maintainable code to ensure long-term quality.
• Develop and manage database interactions using Hibernate/JPA for efficient data persistence.
• Troubleshoot, debug, and optimize applications to ensure seamless user experiences.
• Stay current with the latest Java frameworks and technologies.
• Collaborate with the QA team to ensure every release is flawless and fully tested.

Mandatory Skills:

• Core Java (Java 8 or later) – Expertise in Java programming and understanding of object-oriented principles.
• SQL & Database Management – Strong experience with relational databases like MySQL, PostgreSQL, Oracle, etc.
• Hibernate / JPA – Hands-on experience with Hibernate and JPA for ORM-based data persistence.
• RESTful APIs – In-depth knowledge of designing and consuming RESTful APIs.
• Spring Framework – Solid expertise in Spring Boot, Spring MVC, and Spring Security.

Good to Have Skills (Bonus Points!):

• Microservices Architecture – Experience in building and deploying microservices-based applications.
• Version Control – Familiarity with Git, GitHub, GitLab, or Bitbucket.
• Build Tools – Experience with Maven or Gradle for automated build processes.
• Unit Testing – Knowledge of JUnit and Mockito for unit testing.
• Cloud Platforms – Basic knowledge of cloud platforms such as AWS, Azure, or GCP.

Why Join Us (Perks & Benefits):

• Health insurance – Your well-being is our priority.
• Flexible work timings – Work when you're at your best.
• Better-than-market compensation – We value your expertise and skills.
• Supercharged learning culture – Become the best version of yourself with us.
• Rapid career growth – Your potential is limitless here.
• Work with a collaborative, innovative team that loves tackling challenges and building world-class software.
• Learn and grow – Work with brilliant minds and share your knowledge too!

Selection Process:

1. Online Assessment
2. 1-2 rounds of technical interviews (Let’s talk about your Java expertise and problem-solving skills!)

What We’re Looking For

Required Skills & Experience

Backend Development (5+ Years of Experience)

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Proficiency in backend programming: Python, Go, Rust, or Java.

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Experience with distributed systems, microservices, and event-driven architectures.

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Strong grasp of software engineering principles, design patterns, and scalable system design.

API Development & Web Services

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Expertise in RESTful API and GraphQL design and development.

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Experience with API security protocols, including OAuth 2.0, JWT, and HMAC authentication.

Blockchain & Web3 Technologies

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Familiarity with blockchain protocols: Ethereum, Hyperledger, Polkadot, Corda.

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Understanding of smart contracts, decentralized applications (dApps), and tokenization frameworks.

Database & Data Transformation

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Strong experience in SQL (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis, Cassandra).

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Knowledge of financial data transformation standards (ISO 20022, FIX, Open Banking).

Security & Compliance

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Experience implementing security best practices, including encryption, authentication, and RBAC/IAM-based access control.

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Understanding of regulatory frameworks: AML/KYC, GDPR, SOX, FISMA, HIPAA.

Cloud & DevOps (2+ Years of Experience)

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Hands-on experience with AWS, GCP, or Azure for scalable infrastructure deployment.

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Familiarity with containerization (Docker, Kubernetes) and CI/CD automation (GitHub Actions, Jenkins, Terraform).

Bonus Points For:

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Experience integrating financial APIs (SWIFT, FIX, Open Banking).

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Hands-on smart contract development (Solidity, Rust, Go).

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Contributions to open-source blockchain or fintech projects.

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Experience with real-time event streaming using Kafka, RabbitMQ, or Pub/Sub architectures.

Job Summary:

As a Shopify App Developer at [Your Company Name], you will be responsible for designing, developing, and maintaining custom applications for the Shopify platform. You will collaborate with cross-functional teams to create solutions that meet our clients' needs and improve their eCommerce operations. The ideal candidate will have a strong background in Shopify app development, excellent problem-solving skills, and a passion for delivering exceptional user experiences.

Key Responsibilities:

• App Development: Design, develop, and deploy custom Shopify apps using Shopify’s API, Polaris, and other relevant technologies.
• Customization: Customize and extend Shopify’s existing functionalities to meet specific client requirements.
• Integration: Integrate Shopify apps with third-party services, APIs, and data sources as needed.
• Maintenance & Support: Troubleshoot and resolve issues related to Shopify apps and provide ongoing support and maintenance.
• Collaboration: Work closely with project managers, designers, and other developers to ensure that app solutions align with project goals and client expectations.
• Testing & Quality Assurance: Conduct thorough testing of applications to ensure reliability, performance, and adherence to Shopify’s standards.
• Documentation: Create and maintain clear documentation for code, processes, and app functionality.
• Innovation: Stay updated with the latest Shopify developments, industry trends, and best practices to continuously improve app functionality and user experience.

Qualifications:

• Experience: Proven experience in developing Shopify apps, including a portfolio of past projects or apps.
• Technical Skills: Proficiency in Shopify’s APIs, Liquid templating language, JavaScript, HTML, CSS, and familiarity with Shopify Polaris design system.
• Programming Languages: Strong knowledge of backend programming languages such as Ruby, PHP, or Node.js.
• Database Management: Experience with database technologies such as MySQL, MongoDB, or PostgreSQL.
• Problem-Solving: Excellent problem-solving skills with the ability to troubleshoot and resolve complex technical issues.
• Communication: Strong verbal and written communication skills, with the ability to explain technical concepts to non-technical stakeholders.
• Team Player: Ability to work effectively both independently and as part of a team in a fast-paced environment.

• Demonstrated experience as a software engineer, with at least 3-5 years’ experience in technology roles
• Experience working on complex systems and cloud architectures, preferably in a B2B or enterprise context
• Experience with the Java programming language and frameworks such as Spring & SpringBoot
• Experience with front-end Javascript frameworks such as ReactJS
• Experience working in databases and SQL queries for high-performance 
• Experience and keen understanding of the value of working in agile teams
• A “quality-first” mindset, with experience working in continuous integration environments
• Highly effective at communicating
• Respect for other team members and a highly collaborative approach to working and learning together

• Bachelor/Master's in computer science or relevant fields
• 10+ years of Relevant Experience
• Strong sense of ownership
• Excellent Java and object-oriented development skills
• Experience in building and scaling microservices
• Strong Knowledge in RDBMS & NoSQL databases
• Strong problem-solving skills, technical troubleshooting and diagnosing
• Expected to be a role model for young engineers, have a strong sense of code quality, and enforce code quality within the team
• Excellent understanding of Debugging performance and optimization techniques
• Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
• Experience in developing any large scale Experience in cloud technologies
• Demonstrated ability to deliver in a fast-paced environment

Role- Software Development Engineer-2

As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.

Top Skills

You write high quality, maintainable, and robust code, often in Java or C++ or C#

You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.

You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.

Roles & Responsibilities

You solve problems at their root, stepping back to understand the broader context.

You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.

You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.

You recognize and use design patterns to solve business problems.

You understand how operating systems work, perform and scale.

You continually align your work with Amazon’s business objectives and seek to deliver business value.

You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.

You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.

You communicate clearly with your team and with other groups and listen effectively.

Skills & Experience

Bachelors or Masters in Computer Science or relevant technical field.

Experience in software development and full product life-cycle.

Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.

Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.

Proficiency in SQL and data modeling.

Job Description

• ​Be able to drive a team of around 4 developers
• Should be able to effectively lead from the front, integrating developers, analysts and QA
• Should be able to pair, and effectively mentor junior developers
• The ability to think innovatively and turn ambiguous problem spaces into clear solutions
• Be an inspiration for the team and a trusted partner to our customers

Requirements

• Familiar with PHP or Ruby or NodeJS. Strong experience in Laravel and/or ReactJS a plus
• Familiarity with the entire development -> prod flow a strong plus (our dev owns the DevOps)
• Familiarity with performance tuning a web stack a strong plus
• Comfortable working in an Agile highly dynamic start-up environment
• Demonstrate leadership skill and be accustomed to driving results in a collaborative, cross-functional environment