
Senior Java Developer / Architect (Consultant - Part time / Full time)
at HeyMath
Developed in formal collaboration with the University of Cambridge in May 2000, HeyMath! is an Ed-Tech company whose mission is to Raise the Game in Maths for school systems around the world. We do this using technology to deliver engaging teaching methodologies and personalised learning paths for students. HeyMath! has been successfully adopted by CBSE schools since 2004, with positive outcomes for the entire ecosystem.
Check us out at www.heymath.com
We plan to work mainly from home in 2021 and the virtual office atmosphere is collegiate, informal and friendly, with small high-impact teams making a difference to customers.
What we are looking for:
• Experience in building and re-engineering cloud based solutions on AWS.
• Strong knowledge of Object Oriented Programming(OOPS) and design patterns is a must.
• Hands-on development on Spring MVC framework.
• Experience working on Java 8 or above.
• Must have very good knowledge of RDBMS such as MySQL and performance tuning of the same.
• Good knowledge of Javascript frameworks such as React JS.
• Exposure to server-side and client-side caching mechanisms.
• Basic understanding of proxy servers, load balancers and CDN.
• Ability to debug the applications and provide instant workable solutions.
• Experience working on Elastic Search / Kafka / Kubernetes or all is a nice to have.

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JOB DESCRIPTION
Experience: 4-7 years
Location: Mumbai
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. - 4-7 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.
About the Role:
We are seeking a skilled Java Developer to join our team. The ideal candidate will have strong experience in core Java development along with exposure to modern frameworks and tools. You will be responsible for designing, developing, and maintaining scalable applications while ensuring performance, security, and code quality.
Key Responsibilities:
- Design, develop, test, and maintain Java-based applications.
- Write clean, efficient, and reusable code following best practices.
- Collaborate with cross-functional teams (Product, QA, DevOps, etc.) to deliver high-quality software.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and contribute to continuous improvement.
- Stay updated with emerging trends, tools, and technologies in the Java ecosystem.
Required Skills & Qualifications:
- Strong proficiency in Core Java (Java 8/11/17).
- Experience with frameworks such as Spring / Spring Boot / Hibernate.
- Good knowledge of REST APIs, Microservices architecture.
- Familiarity with SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
- Understanding of multithreading, collections, and design patterns.
- Experience with version control systems (Git) and build tools (Maven/Gradle).
- Solid problem-solving skills and ability to work in an Agile environment.
Good to Have:
- Exposure to cloud platforms (AWS, Azure, GCP).
- Knowledge of containerization (Docker, Kubernetes).
- Experience with messaging systems (Kafka, RabbitMQ).
- Familiarity with CI/CD pipelines.
Real people. Real service.
At SupplyHouse.com, we value every individual team member and cultivate a community where people come first. Led by our core values of Generosity, Respect, Innovation, Teamwork, and GRIT, we’re dedicated to maintaining a supportive work environment that celebrates diversity and empowers everyone to reach their full potential. As an industry-leading e-commerce company specializing in HVAC, plumbing, heating, and electrical supplies since 2004, we strive to foster growth while providing the best possible experience for our customers.
Through an Employer of Record (EOR), we are looking for a new, remote Backend Engineer in India to join our growing IT Team. This individual will report into our Full Stack Team Lead and have the opportunity to work on impactful projects that enhance our e-commerce platform and internal operations, while honing your skills in backend and full stack development. If you’re passionate about creating user-friendly interfaces, building scalable systems, and contributing to innovative solutions in a collaborative and fun environment, we’d love to hear from you!
Role Type: Full-Time
Location: Remote from India
Schedule: Monday through Friday, 4:00 a.m. – 1:00 p.m. U.S. Eastern Time / 12:00 p.m. – 9:00 p.m. Indian Standard Time to ensure effective collaboration
Base Salary: $25,000 - $30,000 USD per year
Responsibilities:
- Collaborate with cross-functional teams to gather and refine requirements, ensuring alignment with business needs.
- Design, develop, test, deploy, and maintain scalable, high-performance software applications.
- Develop and enhance internal tools and applications to improve company operations.
- Ensure system reliability, optimize application performance, and implement best practices for scalability.
- Continuously improve existing codebases, conducting code reviews, and implementing modern practices.
- Stay up to date with emerging technologies, trends, and best practices in software development.
Requirements:
- Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
- 3+ years of hands-on experience in backend and/or full-stack development with a proven track record of delivering high-quality software.
Back-End Skills:
- Proficiency in Java and experience with back-end frameworks like Spring Boot.
- Strong understanding of database design, RDBMS concepts, and experience with SQL.
- Knowledge of RESTful API design and integration.
Development Lifecycle: Proven ability to contribute across the entire software development lifecycle, including planning, design, coding, testing, deployment, and maintenance.
Tools & Practices:
- Familiarity with version control systems, like Git, and CI/CD pipelines.
- Experience with agile development methodologies.
Additional Skills:
- Strong problem-solving and debugging capabilities.
- Ability to create reusable code libraries and write clean, maintainable code.
- Strong communication and collaboration skills to work effectively within a team and across departments.
- High-level proficiency of written and verbal communication in English.
Preferred Qualifications:
- Proficiency in HTML5, CSS3, JavaScript (ES6+), and responsive design principles.
- Expertise in modern JavaScript frameworks and libraries such as React, Angular, or Vue.js.
- Experience with cross-browser compatibility and performance optimization techniques.
- Experience working on Frontend responsibilities such as:
- Designing and implementing reusable, maintainable UI components and templates.
- Working closely with Designers to ensure technical feasibility and adherence to UI/UX design standards.
- Managing and updating promotional banners and site-wide templates to ensure timely execution of marketing initiatives.
Why work with us:
- We have awesome benefits – We offer a wide variety of benefits to help support you and your loved ones. These include: Comprehensive and affordable medical, dental, vision, and life insurance options; Competitive Provident Fund contributions; Paid casual and sick leave, plus country-specific holidays; Mental health support and wellbeing program; Company-provided equipment and one-time $250 USD work from home stipend; $750 USD annual professional development budget; Company rewards and recognition program; And more!
- We promote work-life balance – We value your time and encourage a healthy separation between your professional and personal life to feel refreshed and recharged. Look out for our 100% remote schedule and wellness initiatives!
- We support growth– We strive to innovate every day. In an exciting and evolving industry, we provide potential for career growth through our hands-on training, access to the latest technologies and tools, diversity and inclusion initiatives, opportunities for internal mobility, and professional development budget.
- We give back –We live and breathe our core value, Generosity, by giving back to the trades and organizations around the world. We make a difference through donation drives, employee-nominated contributions, support for DE&I organizations, and more.
- We listen – We value hearing from our employees. Everyone has a voice, and we encourage you to use it! We actively elicit feedback through our monthly town halls, regular 1:1 check-ins, and company-wide ideas form to incorporate suggestions and ensure our team enjoys coming to work every day.
Check us out and learn more at https://www.supplyhouse.com/our-company!
Additional Details:
- Remote employees are expected to work in a distraction-free environment. Personal devices, background noise, and other distractions should be kept to a minimum to avoid disrupting virtual meetings or business operations.
- SupplyHouse.com is an Equal Opportunity Employer, strongly values inclusion, and encourages individuals of all backgrounds and experiences to apply for this position.
- To ensure fairness, all application materials, assessments, and interview responses must reflect your own original work. The use of AI tools, plagiarism, or any uncredited assistance is not permitted at any stage of the hiring process and may result in disqualification. We appreciate your honesty and look forward to seeing your skills.
- We are committed to providing a safe and secure work environment and conduct thorough background checks on all potential employees in accordance with applicable laws and regulations.
- All emails from the SupplyHouse team will only be sent from an @supplyhouse.com email address. Please exercise caution if you receive an email from an alternate domain.
What is an Employer of Record (EOR)?
Through our partnership with Remote.com, a global Employer of Record (EOR), you can join SupplyHouse from home, while knowing your employment is handled compliantly and securely. Remote takes care of the behind-the-scenes details – like payroll, benefits, taxes, and local compliance – so you can focus on your work and career growth. Even though Remote manages these administrative functions, you’ll be a part of the SupplyHouse team: connected to our culture, collaborating with colleagues, and contributing to our shared success. This partnership allows us to welcome talented team members worldwide while ensuring you receive a best-in-class employee experience.
- Experience in Java and associated technologies Core Java, JSP, Spring, Struts,RESTful Services,SOAP,Tomcat, Hibernate, Maven
- Strong understanding of OOPS concepts
- Proficient understanding of RDBMS Concepts
- Strong understanding of Databases Oracle / MSQL / MySQL etc and PL/SQL Programming
Job Description:
Mandatory Skills: Java, J2ee, spring, hibernate, spring mvc.
Preferred: Restful, microservices, spring boot.
Website: https://www.games24x7.com">https://www.games24x7.com
Requirements
- High self motivation to lead & build projects from beginning to end;
- You've shipped multiple products and are willing/able to demonstrate how you solved specific problems to solve users needs;
- Excellent communication in presenting your code and communicating what problems they are solving while giving/receiving feedback;
- Ability to quickly grasp goals and requirements from light specifications;
- Must be able to effectively & efficiently work with stakeholders spreads across many timezones;
- 5+ years of Android experience working in a modern commercial web development environment and shipping solid product;
- Experience in Springboot, Microservices, JPA, oracle database.
- Must have experience in authentication mechanism like LDAP, SSO, any authentication server, role management
Perks
- Ground floor opportunity with the team; shape the strategic direction of the company.
- Work with sharp, motivated and passionate co-workers spread across many regions.
- Rare opportunity to make real positive impact on the world!
- Hands on Java experience with minimum 8 yrs. More experience is a plus but need to be hands on.
- Server side programming experience with technologies: Spring, Hibernate & Swing is a plus
- Good DB knowledge, hands on PL/SQL or T-SQL
- Experienced to work on Linux, git, IntelliJ, Eclipse
- Experience of designing and developing end-to-end solutions.

- Work on building scalable backend platform for customer & seller apps, brands platform, demand generation platform, supply chain & logistics platform, credit platform and several cross platform software components
- Participate in the process to fundamentally change the food and grocery ecosystem in India, and impact billions of people through technology, mobile, and data science
Requirements:
An ideal candidate for this role is someone who has-
- BE/BTech degree in Computer Science from a top engineering school
- 1-5 years of professional software development experience
- Strong problem solving skills and strong command on object oriented design, data structures, algorithms and other computer science fundamentals.
- Strong coding skills - professional experience in developing production-quality software in Java/Python
- Expertise in Web Services, Service-oriented architecture, Databases, NoSQL, Distributed systems, Cloud Technologies.
- Extreme software engineering skills to design and develop low-latency, high availability, internet-scale web services
- Solid understanding of the full software development life cycle and software engineering best practices
- Ability to understand business requirements and translate them into technical requirements
- Demonstrated ability to own software design and development end to end from requirements to launch.
- Ability to collaborate with cross-functional teams to define, design, and ship new features.
- A startup mindset - An athlete who can run at breakneck speed of a startup, yet someone who can bring method to madness through processes suitable for different stages of the company - early stage prototyping and rapid experimentation, before product/market fit, after product/market fit, and scaling.
- Familiarity with Agile development, Scrums, continuous integration, and test driven development processes
- Data driven product development approach - strong focus on data backed engineering decisions.
- Ability to develop products incrementally in fast iterations
- Ability to do collaborative problem solving and design/build chaos resilient systems
- Strong focus on software quality
- Ability to mentor junior developers, and help build an excellent engineering team
- Ability to be a talent magnet - attract great talent to join the core team.






