Full Stack Developer

Java/J2EE Developer:

SquareShift is a young and fast-growing cloud consulting company, solving cloud challenges through excellence in technology, thought leadership, and quality in execution. We are based in Singapore, with a world-class engineering team in India. 

Founded by serial entrepreneurs, we are a team of tech-enthusiasts who have strong expertise in enterprise product development and cloud technologies. As an early and core member of the team, you will work with founders and will own the organization's business development efforts.

• 5+ years of experience in Java and J2EE
• Expertise in Object Oriented Programming and Design Patterns
• Experience with Web Services (SOAP/REST), JMS, XML
• Experience working with relational databases like Oracle, MSSQL
• Proficient in writing SQL Queries and knowledge on PL/SQL
• Experience with multi-tiered application architecture
• Knowledge of writing secure and optimized code
• Experience with Version Control Systems preferably GIT
• Working experience of build and continuous integration tools – MAVEN and JENKINS
• Strong knowledge of unit testing technologies – JUNIT
• Exceptional defect analysis, triaging and fixing skills
• Experience in Agile Software Development (Scrum or Kanban)

Job Description

We are looking for a hands-on Tech Lead – Java with strong software engineering fundamentals, a deep understanding of Java-based backend systems, and proven experience leading agile teams. This role involves a balance of individual contribution and technical leadership — mentoring developers, designing scalable architectures, and driving the success of product delivery in fast-paced environments.

Key Responsibilities

• Lead the end-to-end design, development, and deployment of Java-based applications and RESTful APIs.
• Collaborate with product managers and architects to define technical solutions and translate business requirements into scalable software.
• Guide and mentor team members in best coding practices, design patterns, and architectural decisions.
• Drive code reviews, technical discussions, and ensure high code quality and performance standards.
• Troubleshoot critical production issues and implement long-term fixes and improvements.
• Advocate for continuous improvement in tools, processes, and systems across the engineering team.
• Stay up to date with modern technologies and recommend their adoption where appropriate.

Required Skills

• 5+ years of experience in Java backend development with expertise in Spring/Spring Boot and RESTful services.
• Solid grasp of Object-Oriented Programming (OOP), system design, and design patterns.
• Proven experience leading a team of engineers or taking ownership of modules/projects.
• Experience with AWS Cloud services (EC2, Lambda, S3, etc.) is a strong advantage.
• Familiarity with Agile/Scrum methodologies and working in cross-functional teams.
• Excellent problem-solving, debugging, and analytical skills.
• Strong communication and leadership skills.

About HummingWave

HummingWave is a leading IT product development company specializing in building full-scale application systems with robust cloud backends, sleek mobile/web frontends, and seamless enterprise integrations. With 50+ digital products delivered across domains for clients in the US, Europe, and Asia-Pacific, we are a team of highly skilled engineers committed to technical excellence and innovation.

Thanks

As a Go lang Developer, you will be working on Blockchain Layer 1.

● Advanced proficiency in Golang programming language, and good skills in languages such as C++,

Java, Solidity and Python (good to have).

● Extensive experience in back-end development, algorithms, and data structures.

● Extensive Knowledge of blockchain structure, protocol development or Smart Contract

● Writing clean, efficient, and reusable code that follows best practices and coding standards.

● knowledge of distributed and decentralized network protocols

● Knowledge of various decentralized ledger technologies and protocols

● Understanding of gossip protocol and consensus protocol

● Knowledge of best practices in data protection.

● Collaborating with managers to determine technology needs and envisaged functionalities.

● Creating application features and interfaces by using programming languages and writing multithreaded codes.

● Applying the latest cryptology techniques to protect digital transaction data against cyberattacks and information hacks.

● Maintaining client and server-side applications.

• Experience in corporate training with minimum 3.5 years of experience in Technical training
• Exposure into C#.Net, ASP.NET, MVC-5, SQL database, HTML-5, CSS-3, Javascript, AngularJS.
• Concepts on ASP.Net MVC and Web API, .Net Core, latest version of .Net core.
• Candidate should have good Presentation, verbal & written communication Skills.
• Good to have Microsoft certification on MVC and implementation knowledge on AngularJs. 

• Designing, coding, and debugging software using J2EE, Spring boot,Microservices ,AWS .
• Work closely with Solution architects to understand the architecture
  design and implement software designs accordingly.
• Improving the performance of existing software.
• Providing training to other engineers and code review.
• Maintaining and upgrading existing software.
• Recommending new technologies that can help increase productivity.
• Supervising and overseeing the technical aspects of projects.
• Investigating software-related complaints and making necessary adjustments to ensure optimal software performance.
• Regularly attending team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues.
• Mentioning Software engineers on correct coding practices.

Primary duties and responsibilities include:

·         Candidate should be able to work independently with client and should possess excellent written and verbal communication skills.

·         Work closely with experienced integration, frontend, or backend development teams

·         Contribute to estimation and scoping of projects

·         Work on presales environment for checking feasibilities for customer requirement.

Required Experience

·         Bachelor’s degree in Computer Science, or equivalent work experience

·         8 to 10 years of programming experience—preferably with Java 8+, and other tool support

·         5 years of Java # 6 experience

·         Should have experience in executing project independently.

·         Demonstrated ability of Design Patterns and to write efficient, reusable rest services and libraries

·         Experience with agile software development methodologies and software development best practices, pair programming and CI/CD

·         Excellent written and verbal communication skills

·         Excellent analytical skills for solution building of customer requirements.

·         Good knowledge of datastores (RDBMS, Oracle, SQL)

·         Must have in depth understanding of the L1, L2, L3 support environment.

·         Experience in Java, JavaScript, CSS, HTML, XML and other web technologies

·         Strong understanding of network OS and system configurations.

·         Familiarization with OSLC and REST APIs

·         Ability to successfully lead offshore development teams and work in global delivery model- US, India, Germany

·         Knowledge of LDAP

·         Experience with Microsoft Office products- Word, Excel, Powerpoint

·         Experience with other Requirements Management Tools (Polarion, PTC Integrity) will be a value add

Preferred Experience

·         Understanding of high-availability, fault-tolerant, scalable, distributed systems

·         Working knowledge of iText 7, OpenFeign, RabbitMQ/JMS, Mockito and jUnit/nUnit, Spring Cloud


Salary is not constriant. Candidate should have interest to new things.

• Primary skills:Java,Java-Java 8,Java-Microservices,Java-Springboot