
JOB DESCRIPTION
Experience: 3-8 years
Wissen Technology is now hiring for a Java Developer - Mumbai 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 Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Role & Responsibilities
We are looking for a hands-on Camunda Developer with strong experience in workflow orchestration and backend development. The ideal candidate should be able to design, build, and optimize end-to-end business processes using Camunda (preferably Camunda 8) and work closely with engineering and business teams to implement scalable and resilient workflows.
Key Responsibilities:
- Translate business requirements into BPMN workflows using Camunda (preferably Camunda 8)
- Design and implement end-to-end process orchestration across systems
- Build and manage service integrations (REST APIs, event-driven systems)
- Develop and maintain Zeebe workers / microservices (Python)
- Collaborate with stakeholders to refine workflows and handle edge cases
- Implement error handling, retries, and compensation mechanisms
- Analyse and improve workflows for scalability, reliability, and performance
- Ensure data consistency and idempotent process execution
- Work with cross-functional teams including data and analytics for process observability
Ideal Candidate
- Strong Senior Camunda Developer / Workflow Orchestration Engineer Profiles
- Mandatory (Experience 1) – Must have 4+years of hands-on experience in backend development and workflow systems, demonstrable through production-grade work on business process automation or backend service development.
- Mandatory (Experience 2) – Must have strong hands-on experience with Camunda and BPMN 2.0, including designing, building, and deploying end-to-end business process workflows in production.
- Mandatory (Experience 3) – Must have hands-on experience with Zeebe workers and the Camunda 8 stack, built and maintained as part of real orchestration systems.
- Mandatory (Experience 4) – Must have strong production-level coding skills in Python, used for building and maintaining Zeebe workers and microservices.
- Mandatory (Experience 5) – Must have experience designing and working within microservices architecture and distributed systems, with clear understanding of service decomposition, inter-service communication, and distributed system failure modes.
- Mandatory (Experience 6) – Must have hands-on experience building and consuming REST APIs and working with event-driven systems (message brokers, pub/sub, event streams).
- Mandatory (Skills) – Must have strong debugging and problem-solving skills in production workflow environments, with specific examples of resolving complex issues such as stuck processes, race conditions, or data inconsistency bugs.
- Preferred (Experience 1) – Exposure to cloud platforms (AWS / GCP / Azure) and experience with data platforms (e.g., Snowflake).
- Preferred (Experience 2) – Understanding of finance-related workflows (billing, reconciliation, etc.).
Core Responsibilities:
- Design & Development: Architect and implement scalable backend services and APIs using Python or Golang, ensuring high performance, resilience, and extensibility.
- System Ownership: Take end-to-end ownership of critical modules, from design and development to deployment and support.
- Technical Leadership: Conduct design and code reviews, enforce best practices, and mentor junior engineers to raise the team’s technical bar.
- Collaboration: Work closely with product managers, architects, and other engineers to translate business requirements into technical solutions.
- Performance & Reliability: Troubleshoot complex issues in production systems, identify root causes, and design sustainable long-term solutions.
- Innovation: Evaluate new technologies, contribute to proof-of-concepts, and recommend tools that can improve developer productivity.
- Process Improvement: Drive initiatives to improve coding standards, CI/CD pipelines, and automated testing practices.
- Knowledge Sharing: Document designs, create technical guides, and share insights with the broader engineering team.
Experience and Expertise:
- 4–7 years of backend development experience with Python or Golang.
- Strong expertise in designing, developing, and scaling microservices and distributed systems.
- Solid understanding of concurrency, multi-threading, and performance optimization.
- Proficiency with databases (SQL/NoSQL), caching systems (Redis, Memcached), and messaging systems (Kafka, RabbitMQ, etc.).
- Hands-on experience with Linux development, Docker, and Kubernetes.
- Familiarity with cloud platforms (AWS/GCP/Azure) and related services.
- Strong debugging, profiling, and optimization skills for production-grade systems.
- Experience with AI-powered development tools is a strong plus; familiarity with concepts like 'agentic coding' for workflow automation or 'context engineering' for leveraging LLMs in system design is highly desirable.
Skills:
- Strong problem-solving ability, with experience handling complex technical challenges.
- Ability to lead technical initiatives and mentor junior engineers.
- Excellent communication skills to collaborate with cross-functional teams and articulate trade-offs.
- Self-motivated, proactive, and able to operate independently while aligning with team goals.
- Passionate about engineering culture, quality, and developer productivity.
✨ Develop & customize IBM Sterling OMS
✨ Build/consume REST APIs using Java & Spring Boot
✨ Work on OMS workflows, integration & order lifecycle
- Strong proficiency in Java programming language.
- Experience with Java frameworks like Spring and Spring Boot.
- Understanding of RESTful APIs and web services.
- Experience with databases and data storage technologies (e.g., SQL, NoSQL).
- Knowledge of software development best practices, including testing and code quality.
- Experience with version control systems (e.g., Git).
- Familiarity with cloud platforms (e.g., AWS, Azure, GCP).
- Strong problem-solving and debugging skills.
- Excellent communication and collaboration skills.
Description
Our Software Architects are the strategic thinkers and technical leaders. They design, validate, and guide the delivery of enterprise-grade systems that balance innovation, performance, scalability, and cost efficiency.
Software Architects work at the intersection of business strategy and technical execution. They collaborate across engineering, product, and design teams to define architecture blueprints, select technologies, and ensure systems evolve in alignment with customer goals. Architects are hands-on, often prototyping solutions and coaching teams, while also trusted to influence executives on technical direction. Here’s what you should know if you want to be a Software Architect at
Requirements
The ideal person
● Proven track record in architecting and delivering large-scale, distributed software systems.
● Expertise in modern architectural patterns: microservices, event-driven systems, composable commerce, headless architectures.
● Ability to translate business strategy into actionable technical roadmaps and system designs.
● Strong leadership skills: guiding engineering teams, mentoring individuals, and setting technical standards.
● Excellent stakeholder management and communication skills, from engineers to C level.
● Commitment to designing systems that are secure, performant, and cost-efficient.
Desirable Skills
● Deep experience with multiple programming languages and frameworks (e.g., ● JavaScript/TypeScript, Node.js, React, Java, .NET, Python).
● Strong knowledge of cloud-native architectures (AWS, GCP, Azure) and containerisation (Docker, Kubernetes).
● Experience with data platforms, integration patterns, and API-first design (REST, GraphQL, gRPC).
● Familiarity with CI/CD, DevOps, and Infrastructure-as-Code practices. ● Understanding of security standards, compliance (GDPR, SOC2), and enterprise IT constraints.
● Ability to design for scalability across global markets and multi-tenant environments. ● Strong knowledge of design systems and front-end frameworks, ensuring alignment between presentation and infrastructure.
● Experience leading architectural reviews, trade-off analysis, and decision records. ● Ability to mentor teams and establish communities of practice around architecture. ● Awareness of emerging technologies (AI, serverless, edge computing) and their practical application.
On any given day you might
● Define architecture blueprints and technical roadmaps for enterprise projects. ● Partner with product owners and business stakeholders to align architecture with strategic goals.
● Make key technology selection decisions, balancing innovation with long-term maintainability.
● Review system designs, ensuring alignment with principles of security, scalability, and performance.
● Support engineering teams with hands-on prototyping and technical problem solving. ● Facilitate architectural reviews and communicate trade-offs to both technical and non-technical audiences.
● Collaborate with designers to ensure UI/UX and architecture integrate seamlessly. ● Influence enterprise customers, helping them modernise platforms and adopt composable, headless, or cloud-native approaches.
● Establish coding standards, architectural patterns, and governance processes. ● Share thought leadership internally and externally, positioning Co. as a trusted Advisor.
You bring
● 7+ years of software development and architecture experience.
● Expertise in designing cloud-native, distributed systems.
● Proven success in leading technical decisions across multi-team programmes. ● Strong cross-functional collaboration and customer-facing skills.
● Advanced understanding of system integration, security, and performance optimisation.
● Familiarity with enterprise-scale delivery: migration projects, composable commerce, API ecosystems.
● Advanced English, able to communicate at both executive and engineering levels. ● (Bonus) Experience contributing to open-source, publishing architectural thought pieces, or speaking at conferences.
Participate in the entire application lifecycle, focusing on coding and debugging
Write clean code to develop functional web applications
Troubleshoot and debug applications
Perform UI tests to optimize performance
Manage cutting-edge technologies to improve legacy applications
Collaborate with Front-end developers to integrate user-facing elements with server-side logic
Gather and address technical and design requirements
Build reusable code and libraries for future use
Follow emerging technologies
Desireable skills
3+ years of experience as a Back-end developer
In-depth understanding of the entire web development process (design, development, and
deployment)
Hands-on experience with Java, Springboot and Hibernate
Working knowledge in SQL
Familiarity with Agile methodology of development process
Problem-solving attitude
Tasks:
· You will take part in the design of the architecture and the development of modern software-based applications in the back-end (Node.JS, TypeScript, Nest.JS)
· You support the technological conception, programming and implementation of new features
· You help manage IoT-to-Cloud services, Microservices, Kubernetes and Docker on GCP
Requirements:
· Bachelor or Master student in an IT-related field of study
· Ability to holistically conceive applications in multiple technologies in the backend
· Experience in agile software development with JavaScript, TypeScript, Node.JS and ideally Nest.JS
· First experiences in Cloud (AWS/Azure/GCP) and Docker
·
Nice to Have:
· Experience with GraphQL, Microservices, Kubernetes
· Understanding of IoT device management and message brokers like AMQP or MQTT
Benefits:
· A responsible position in a fast-growing and highly innovative start-up
· An agile and diverse team with colleagues from all over the world
· English speaking open work environment, with flat hierarchies and short decision-making paths
· Advanced technology stack leveraging cutting-edge IoT hardware and software
· Creative freedom for own ideas, projects and personal development
· Team building, learning and start-up events
Job Role
Full Stack Developer (SDE-2)
Job Description
We are looking for engineers who are passionate about solving complex problems and building next generation products for a global customer base & scale.
Job Responsibilities
- Design, build, and maintain high performance, clean and reusable code.
- On Calls Monitoring the performance of live applications and work on optimising them at the code level
- Clearly understand the requirements, designs and convert them into high quality code.
- Identifying and resolving the bugs and enhancing application performance. Performing unit testing on code
- Collaborating with cross-functional teams to define and design new features
- Staying up to date with new mobile technology trends, applications, and protocols
- Develop a highly scalable and secure cloud-based system for collecting health data and performing analytics.
- Document software and features for internal and external engineering teams
- Collaborate with other groups (QC/testing, algorithm developers, etc.)
Skills/ Experience
- 3 to 8 years of experience in developing ecommerce B2B/B2C products/platforms.
- Engineering or Equivalent Bachelor’s degree preferable from top engineering colleges.
- Expertise in Data Structure, Algorithms & System Design
- Expertise In Java/JavaEE/Spring/SpringBoot/HTML/CSS/Angular/React/Vue JS
- Expertise In Database RDBMS/NoSQL (Solr/REDIS/MongoDB/RabbitMQ/Kafka etc)
- Good understanding In GCP/AWS/DevOps/SRE/On-Calls.
- Good understanding of AI/ML/Data Science Algorithms.
- Able to work and thrive in a fast-paced, rapidly changing work environment
- Should have excellent communication skills, with an ability to convey ideas clearly & precisely
- Must have leadership skills & a good team player
- Must be pro-active & a self-starter
comprehensive solutions; solve complex business problems and then directing the implementation of these solutions
through a team of developers. Work with the various teams to analyze and assess implementation methodology.
Identify & communicate the technical infrastructure requirements. Support existing business process automations and implement change requirements as part of a structured change control process
Responsibilities:
Leading and managing team of developers.
Integration of user-facing elements developed by a front-end developer with server-side logic.
Building reusable code and libraries for future use
Optimization of the application for maximum speed and scalability
Implementation of security and data protection
Design and implementation of data storage solutions
Skills and Qualifications:
Overall 6-8 years of experience in multi-tiered application development and leadership
Strong Programming fundamentals. (Must have - Java)
Good Knowledge in cloud technologies like AWS, Azure, etc.
Hands on experience on Spring technology including Springboot, SpringMVC, Spring Security and others.
Good understanding on experience on microservice development using Springboot REST web services using
Spring Rest or Jersey SQL NoSQL DB
Hands on with Unit testing Dynamic and proactive with ability to work as part of a multi-disciplinary team
Good communications skills fluent in English
Ability to communicate effectively across different disciplines
Primary Skills (Good toHave)
Java, Spring Boot, Spring MVC, Restful Web Services, Micro Services
Education: B.Tech/B.E, BCA, MCA, MCS, etc. in Computers
We are building for the future of work by changing the way the world looks at information and data paradigms. The Meaning Engine by India-based Needle Innovision enables building solutions by processing meaningful data out of anything stored anywhere - structured, unstructured data types, distributed, at scale and more.
In our quest to do more, we are looking for a fantastic Java Tech Lead to join us in a hybrid setting from New Delhi. Below are some (seriously important) green flags that we are looking for from you:
🟢 Ability to build and repeat the vision, not just work on tasks in the new phase of your career
🟢 The excitement to architect awesome products and resilient teams
🟢 Preparedness to move into enterprise-ready environments
🟢 Build team motivation, delegate smartly and create a career path
This could be an awesome launching pad for someone who enjoys working towards big-picture goals, has a keen interest in leadership, and has a deep understanding of Java technologies. Our teams are sustained on values of care and we offer a generous number of vacation days, the opportunity to craft your calendar with flexible schedules and very soon an insurance plan for you and your loved ones. We offer a starting salary range of 10-14LPA.
What you will do:
- Collaborate with the client to understand problem statements and provide solutions for the same.
- Explain client requirements to the project team and plan and delegate work requirements
- Ensure the applications are released to production in the committed timeline
- Work with the QA team to ensure the code developed by the team passes the necessary quality check.
- Document application changes and development updates
- Set and evolve standards and best practices for our application development team
- .Guide and mentor junior developers and engage in regular learning activities
- Oversee development process compliance and CI activities.
What you will bring:
- 4 years minimum detail-oriented experience as a Senior Software Engineer.
- Experience in client interactions and/or are looking forward to doing that (preferred if, you have worked in B2B application development for large enterprises 🟢)
- Prior experience of at least one large project with a few people under your belt. (🟢)
- Expert-level knowledge of Java, Spring Boot, Oracle/Postgres.
- Expert-level knowledge on one or all of Hibernate/JPA/MyBatis.
- Experience in RESTful services and fundamentals of MVC architecture.
- Experience in working with and configuring web and application servers, such as Apache/Nginx/Tomcat.
- Proficient understanding of build tools, such as Maven/Gradle and code versioning tools, such as Git/SVN.
- Ability to review specifications documents and provide technical inputs on successfully implementing business solutions.
As a Java Tech Lead, you would be expected to understand business requirements, represent Needle to external stakeholders, and have experience in working in agile teams.
If leading a squad that implements digital transformation solutions at the intersection of data science and AI excites you, and if our awesome bite-sized team inspires you to be a part of our quest, we think you could be the one to help build the impact, we are looking to building here.
Lets talk!







