Backend Engineer

Greetings!

Wissen Technology is hiring for Java developers/Lead.

Required Skillset

• 6+ years of industrial experience
• Java and related frameworks.
• Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Microservices, Spring and Swift Payments
• Exposure on Fintech domain is mandatory
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS
• Good knowledge of multi-threading and high volume server side development
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.

Company Profile:

Company Name : Wissen Technology

Group of companies in India : Wissen Technology & Wissen Infotech

Work Location - Bangalore

Website : www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: https://www.linkedin.com/company/wissen-technology

• Develop, enhance, and maintain Java-based applications using Spring Boot and related frameworks.
• Design, implement, and optimize Microservices with RESTful APIs.
• Build and manage Spring Batch jobs, including scheduling, chunk processing, partitioning, and error handling.
• Apply object-oriented design (OOD) and GoF design patterns (Factory, Singleton, Strategy, Observer, etc.).
• Write clean, maintainable, and scalable code following best coding standards.
• Integrate applications with databases (SQL/NoSQL) and messaging systems (Kafka/RabbitMQ).
• Participate in code reviews, technical discussions, and architectural decisions.
• Troubleshoot production issues and ensure application performance, scalability, and reliability.
• Work in an Agile/Scrum environment and collaborate with cross-functional teams.

Technical Skills Required

• ** Core Java 8+**, OOP, Collections, Multithreading
• ** Spring Boot**, Spring MVC, Spring Data JPA
• ** Spring Batch** (Job/Step configuration, Tasklets, Readers/Writers, partitioning)
• ** Microservices** (REST, API Gateway, service discovery, resilience patterns)
• ** Design Patterns** (Factory, Singleton, Adapter, Strategy, Builder, Observer, etc.)
• ** Databases:** MySQL/PostgreSQL/Oracle, MongoDB (optional)
• ** Messaging:** Kafka / RabbitMQ (preferred)
• ** Build tools:** Maven/Gradle
• ** CI/CD:** Jenkins, GitLab CI, or similar
• ** Cloud:** AWS / Azure / GCP (optional but preferred)
• ** Testing:** JUnit, Mockito

Hey there! We are seeking a highly skilled and passionate Ruby on Rails developer to join our team. As a key member of our development team, you will be responsible for enhancing our product offerings and ensuring smooth operations and scalability of our existing infrastructure. If you have a strong foundation in RoR development, possess a knack for writing clean code, and are excited about building and scaling innovative products, we would love to hear from you.

To provide you with a brief overview of the job role, we are sharing the specific requirements that we expect from you. Please have a look:

Requirements:

• Proven experience working as a Ruby on Rails developer in a production environment.
• Strong knowledge of Ruby, Ruby on Rails framework, and PostgreSQL.
• Extensive experience with hosting and maintaining production applications on AWS, Google Cloud Platform (GCP) services.
• Solid understanding of real-time communication and experience with socket programming.
• Experience in implementing AI in real-world applications is a solid plus.
• Experience in front-end technologies, particularly Vue.js would be a plus
• Strong problem-solving skills and ability to analyze and debug complex issues.
• Experience leading a development team or mentoring junior developers.
• Excellent communication and collaboration skills, with the ability to work effectively in a team-oriented environment.
• Self-motivated and able to work independently with minimal supervision.

Responsibilities:

• Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.
• Architect and implement scalable solutions using RoR, PostgreSQL, and AWS.
• Develop and maintain APIs, web services, and integrations with various third-party systems.
• Lead and collaborate with a team of developers to design, develop, and maintain high-quality scalable applications.
• Recruit and provide technical leadership and guidance to developers.
• Optimise and ensure the reliability of the backend infrastructure.
• Optimise application performance and ensure the scalability and security of the software.
• Stay up-to-date and passionate about the latest technologies, trends, and best practices in software development.
• Optimize the monthly spending on cloud infrastructure.

About Foaps:

We are an innovative startup empowering restaurants to excel in the online food delivery business. Our platform aggregates all online food delivery orders into a single consolidated dashboard, improving the efficiency of order management and aiding restaurant growth. With a strong presence in the Indian market and partnerships with major delivery services like Zomato, Swiggy, Dunzo, Thrive, and magicpin, we are making a significant impact in the restaurant industry. Backed by flat6labs Bahrain, our mission is to revolutionize how restaurants conduct their online food delivery business.

For more details visit our website www.foaps.co

Why Join Foaps?:

At Foaps, we offer compelling reasons for you to join our team:

• Collaborate directly with the founders: As a part of our team, you'll have the opportunity to work closely with the founders and actively participate in the decision-making processes of our early-stage startup. Your contributions will have a direct impact on shaping the direction and success of our business.

• Stock options: We believe in recognizing and rewarding the hard work and dedication of our team members. As a valued team member, you will be eligible for stock options based on your performance and contributions. This allows you to share in the growth and success of the company.

• Performance-based salary increments: We value your efforts and believe in fostering a culture of growth. Individuals’ performance, dedication, contribution, and achievements will be acknowledged and rewarded accordingly.

• Team-oriented environment: At Foaps, we prioritize collaboration and teamwork. Our company culture is not based on hierarchy but rather on creating an environment that fits the needs and strengths of our team. We foster a supportive and inclusive atmosphere where everyone's voice is heard and contributions are valued.

• Make a difference in the Restaurant industry: Foaps is revolutionizing the online food delivery business, making it easier for restaurants to do online delivery business. By joining our team, you'll have the opportunity to contribute to this transformation and play a vital role in shaping the future of the restaurant industry.

Interested? Join us and become a vital part of our startup journey. Together, we'll build an exciting future and make a real impact.

B.Tech./ BE - Computer, IT, Electronics only

Requirements:

• 3+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Skills:

• 3+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.
• Java
  Agile and Kafka
  Microservices
  Springboot
  NoSQL/MongoDB
  Scrum

Primary Duties

• Build a broad knowledge across various systems and processes via knowledge transfer and capture any missing information on the wiki

• Gather software requirements by talking to various stakeholders and document them

• Implement software solutions after discussing the requirements and taking direction from the Technical lead and talking to other colleagues within and outside the team

• Provide necessary effort and time estimates for tasks to aid scheduling and prioritization

• Provide necessary 3rd line support to the Operations teams including software fixes as needed

• Work on any BAU development activity including on-boarding new data sets and delivering new markets into the system

• Work with external vendors from time to time to gather necessary requirements for new data or changes to existing data specifications

• Maintain pro-active communication with relevant stakeholders and keep them updated on progress

General

• Any other duties commensurate with the post holder’s position and seniority; and
• All employees should understand that it is their personal responsibility to comply with all organisational, statutory and regulatory policies and procedures.

Experience, Knowledge & Skills

Essential

• 4+ years’ experience of programming in Java.
• 4+ years’ experience working with SQL including complex queries, stored procedures, views, database design and solid understanding of database concepts (preferably SQL Server)
• Experience of both Linux and Windows environments, scripting and tools
• Willing to carry out operational data tasks alongside developing new solutions
• Well organised with the ability to prioritise and manage multiple streams of work
• Excellent communication skills

Beneficial

• Experience working with Cloud environments (preferably AWS)
• Experience in handling financial data sets and familiarity with financial instruments (equities, futures, FX)
• Experience working with data pipelines and building ETL solutions
• Experience working with tools like Flink, Kafka and Tableau

Educational & Professional Qualifications

• Educated to degree (or equivalent) level or higher.
• A degree with mathematical and computing content (e.g. Computer Science, Maths, Physics)

• Java 8, Spring Boot, Java Microservices
• REST API’s
• Angular 11, HTML5, CSS3, Bootstrap
• SQL DB
• Azure/AWS
• Kafka