IoT Application Development (Java)

About the Role

We’re looking for an Elixir Developer who is passionate about building scalable, high performance backend systems. You’ll work closely with our engineering team to design, develop, and maintain reliable applications that power mission-critical systems.

Key Responsibilities

• Develop and maintain backend services using Elixir and Phoenix framework.

• Build scalable, fault-tolerant, and distributed systems.

• Integrate APIs, databases, and message queues for real-time applications.

• Optimize system performance and ensure low latency and high throughput.

• Collaborate with frontend, DevOps, and product teams to deliver seamless solutions.

• Write clean, maintainable, and testable code with proper documentation.

• Participate in code reviews, architectural discussions, and deployment automation.

Required Skills & Experience

• 2–4 years of hands-on experience in Elixir (or strong functional programming background).

• Experience with Phoenix, Ecto, and RESTful API development.

• Solid understanding of OTP (Open Telecom Platform) concepts like GenServer, Supervisors, etc.

• Proficiency in PostgreSQL, Redis, or similar databases.

• Familiarity with Docker, Kubernetes, or cloud platforms (AWS/GCP/Azure).

• Understanding of CI/CD pipelines, version control (Git), and agile development.

Good to Have

• Experience with microservices architecture or real-time data systems.

• Knowledge of GraphQL, LiveView, or PubSub.

• Exposure to performance profiling, observability, or monitoring tools.

We are solving complex technical problems in the financial 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.

Job Description: 

• Experience in Core Java, Spring Boot.

• Experience in microservices.

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2

• Good knowledge of multi-threading

• Basic working knowledge of Unix/Linux

• Excellent problem solving and coding skills in Java

• Strong interpersonal, communication and analytical skills.

• Should be able to express their design ideas and thoughts.

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen hassuccessfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

About Company

Our client is in the business of delivering cutting-edge software solutions, hardware systems, and IT services. It lends the right technological edge to governments and businesses. This enables them to achieve their organizational objectives efficiently and effectively to scale their businesses to newer heights.

Minimum Requirements/Qualifications:

• Bachelor’s/Master’s degree in computer science, Computer Engineering or a related field is preferred.

• Must have at least 5 to 7 years of experience in application development (Java,Spring Framework), Deployment(Apache Tomcat & Nginx)

• Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts.

• Knowledge & hands-on experience of Java, Spring Framework, Spring Security, JSP, Apache Tomcat, Nginx is a must.

• Must have experience with Bootstrap CSS, jQuery etc.

• Basic Understanding of PostgreSQL, MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services.

• Relevant Knowledge of Java GUI frameworks according to project requirements.

• Experience in handling external and embedded databases.

Roles & Responsibilities

• Develop new modules, patches & Updates/upgrades for an existing application (developed in-house by the client)

• Bug fixing, and updating of software.

• Analyze user requirements to define business objectives.

• Maintain Java-based applications that can be high-volume and low-latency.

• Identify and resolve any technical issues arising.

• Write well-designed, testable code.

• Conducting software analysis, programming, testing, and debugging.

• Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review.

Job Title - Senior Java Developer

Experience Required - 5 to 9 Years

Location - Bangalore (Work from Office)

Immediate joiners are preferred.

Job Description:

We are seeking a skilled Integration Developer with expertise in Apache Camel to design, develop, and implement scalable integration solutions. The ideal candidate will have a solid understanding of enterprise integration patterns, APIs, and cloud services.

Technical Expertise:

Strong hands-on experience with Apache Camel.

Proficiency in Java, Spring Framework, and Spring Boot.

In-depth knowledge of Enterprise Integration Patterns (EIPs).

Experience in building and consuming RESTful APIs and SOAP services.

Familiarity with message queues (e.g., ActiveMQ, RabbitMQ, Kafka).

Understanding of microservices architecture and cloud platforms (AWS, Azure, or GCP).

Roles and responsibilities:

Design and Develop Integration Solutions

Implement and manage enterprise integration patterns (EIPs)

API and Microservices Development

Collaboration and Requirement Analysis

Maintain Integration Pipelines

Documentation and Testing

Continuous Improvement

LogiNext is looking for a technically savvy and experienced senior developer to lead development efforts. You will help the team grow in size and skills, optimizing their code while working on your own. You will design, and develop products that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving access to massive amounts of data and information.

You have hands-on experience in building secure, high-performing and scalable systems in Java. Your design intuition inclines toward usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have successfully shipped applications with a beautiful front-end and intelligent backend. You have demonstrated strong interpersonal and communication skills.

Responsibilities

Design and development efforts for high-volume, low-latency applications for real-time event based systems Deliver high-availability and high-performance platform using microservices architecture Identify bottlenecks and inefficiencies in code, and devise solutions to production and non-production issues Keep an eye out for open source projects and technology trends that can be introduced in the products Transform business functionalities and production specifications into technical requirements and low level design Be hands-on, adopt a practical approach to software and technology Work with product management and other teams to build highly scalable products

Requirements

Bachelor’s degree in Computer Science, Information Technology or a related field 0 to 1 years of design and development experience in scalable and distributed enterprise applications using Java/J2EE, JPA, Spring framework and RESTful web services Excellent coding skills in Java Experience in managing, implementing and optimizing big data stores such as MySQL, MongoDB, Elasticsearch Experience in deploying applications and using various managed services provided by cloud platforms (AWS, Azure) Experience in front-end technologies HTML5, CSS3, jQuery, AngularJS and D3.js is preferred Strong foundation in computer science, with strong competencies in data structures, algorithms and software design Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership

• 3+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl 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

Good to Have Skills:

• 4+ 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.

• Developing and maintaining server-side network components.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.

• At least two years of experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

We are looking for an experienced Lead Java Developer to join our team and take a leadership role in driving the design, development, and delivery of highquality software solutions. A Senior Java Lead Developer will be responsible for leading a team of developers, providing technical guidance, and ensuring the successful execution of projects. Should have a strong background in Java development, excellent leadership skills, and a track record of delivering complex software projects on time. System Architect: Should have Architect the system before for a large scale solution Understanding of various java design pattern and use the pattern which is more appropriate Understanding of various micro-service design pattern and use the pattern which is more appropriate Has worked on DDD with CQRS Has designed solution for multi tenant application. Technical skills: Used latest version of java and good understanding of it Skilled in spring boot, spring MVC Basic Skill: 10+ years of experience in development. Good communication skills in English. Testing: Skilled in using Junit Security: Good understanding of application security Understanding of DDOS and best practice for that Good understanding of rate limiting API Good understanding about spring security or any thing better Database: Great understanding of MySQL Experience in extensively using hibernate Debugging: Understanding about Logging Skilled in debugging production issue