Java Engineering Manager/Lead

JOB DESCRIPTION

Experience: 3-8 years

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. - 3-8 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’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.

Why Join Us?

• Work with a team that expects and delivers excellence.

• A culture where risk-taking is rewarded, and complacency is not.

• Limitless opportunities for growth—if you can handle the pace.

• A place where learning is currency, and outperformance is the only metric that matters.

• The opportunity to build systems that move markets, execute trades in microseconds, and redefine

fintech.

Roles:

• Developing core infrastructure in Python, Django.
• Developing models and business logic (e. g. transactions, payments, diet plan, search, etc).
• Architecting servers and services that enable new product features.
• Building out newly enabled product features

• Minimum 4 years of industry or open-source experience.
• Proficient in at least one OO language: Python(preferred)/Golang/Java.
• Writing high-performance, reliable and maintainable code.
• Good knowledge of database structures, theories, principles, and practices.
• Experience working with AWS components [EC2, S3, RDS, SQS, ECS, Lambda].

Requirements

• 2+ years of experience in the Development of JAVA technology.
• Strong Java Basics
• Linux
• SpringBoot or Spring MVC
• Hands-on experience in Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Java 8
• Any Caching Mechanism
• Good at problem-solving

Good to Have Skills:

• 2+ 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 AI/ML algorithms is a plus.

Job Description:

1) Good experience in Java

2) Hands-on experience in Spring boot

3) Hands-on experience in Microservices

• 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.

•  2 - 6 years of software development experience
•  Good grasp on programming fundamentals including OOP, Design Patterns and Data Structures
•  Excellent analytical, logical and problem-solving skills
• Software Development Engineer
• Good understanding of complexities involved in designing/developing large scale systems
• Strong system design skills
•  Experience in technologies like Elasticsearch, Redis, Kafka etc
• Good knowledge of relational and NoSQL databases
• Familiarity with common machine learning algorithms. In-depth knowledge is a plus
• Experience of working with big data technologies like Hadoop, Spark, Hive is a big plus
• Ability to understand business requirements and take ownership of the work
• Exhibit passion and enthusiasm for building and maintaining large scale platforms

Job Description :

Hiring for Staff Engineer (Back end) for a leading product based company at DLF IT Park, Chennai.

Skill Set :

- Strong Experience in any Programming language (Ruby, Go, Java, or other high-performance languages), Architecture, Design (HLD/LLD), Data structures, Algorithms, Hands-on Coding, Problem Solving, etc

- Experience in Web Technology is Must.

- Looking for candidates with good experience in product development.

- Candidates from product development companies will be preferred.

- Candidates willing to relocate/preferring Chennai can apply.

Responsibilities :

- Analyze and drive product requirements

- Architect and design product features for scale and maintainability

- Lead in the design, implementation, and deployment of successful systems and services

- Ensure the quality of architecture and design of systems

- Implement code with very high coverage of unit tests and component tests

- Perform design and code reviews

- Functionally decompose complex problems into simple, straight-forward solutions

- Fully and completely understand system interdependencies and limitations

- Possess expert knowledge in performance, security, scalability, architecture, and best practices

- Software development of high quality/availability core systems

- Cross-training peers and mentoring teammates

- Document HLD/LLD for easy knowledge sharing and future scaling

Must have :

- 8-12 years of experience designing, integrating and developing distributed applications in Ruby, Go, Java, or other high-performance languages

- Experience with cluster and container orchestration systems such as Docker, Mesos, Marathon, Salt or Kubernetes.

- Experience with Service design, systems engineering, API Design and versioning

- Understanding of Design Patterns, Serverless computing, cloud-first architecture, TDD, BDD, CI/CD, Integration Patterns

Good to have :

- Experience building distributed systems using Kafka. Strong grasp of fundamental concepts of Kafka, ZooKeeper and building producer and consumer applications using Kafka

- Familiarity writing and optimizing advanced SQL queries

- Good Linux/UNIX systems knowledge

- AWS compute and storage PaaS services. AWS certified solutions architect nice to have.

- Experience productionizing Machine Learning models

- Experience publishing technical papers in reputed conferences.