
JOB DESCRIPTION:
Location: Pune, Mumbai
Mode of Work : 3 days from Office
DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API
- Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
- Implement and integrate APIs using Spring Framework and Apache CXF.
- Build microservices-based architecture for scalable and distributed systems.
- Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
- Optimize performance through efficient multithreading, memory management, and algorithm design.
- Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
- Work with RDBMS (preferably Sybase) for backend data integration.
- Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
- Work in Unix/Linux environments for deployment and troubleshooting.

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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We are seeking a highly skilled Senior Java Developer with expertise in Microservices architecture and Spring Boot to join our dynamic team. The ideal candidate will be responsible for designing, developing, and deploying scalable, high-performance backend solutions.
Key Responsibilities:
- Design, develop, and maintain Java-based applications using Spring Boot and Microservices architecture.
- Develop and implement RESTful APIs and integrate them with front-end components.
- Optimize application performance and ensure high availability and scalability.
- Collaborate with cross-functional teams to gather and analyze business requirements.
- Implement security best practices, including authentication and authorization mechanisms.
- Develop and maintain unit and integration tests to ensure robust software quality.
- Work with DevOps teams to automate CI/CD pipelines and ensure smooth deployment processes.
- Monitor and troubleshoot production issues, providing efficient resolutions.
- Stay updated with emerging technologies and best practices in Java development and cloud-native applications.
Required Skills & Qualifications:
- 8+ years of hands-on experience in Java development.
- Expertise in Spring Boot, Spring MVC, Spring Cloud, and other Spring frameworks.
- Strong experience with Microservices architecture and API development.
- Proficiency in RESTful services, JSON, and Swagger/OpenAPI.
- Hands-on experience with SQL and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB, Redis).
- Familiarity with message brokers like Kafka or RabbitMQ.
- Experience with containerization (Docker, Kubernetes) and cloud platforms (AWS, Azure, or GCP).
- Solid understanding of CI/CD pipelines using Jenkins, GitLab, or similar tools.
- Strong problem-solving skills and the ability to work in an agile development environment.
- Excellent communication and teamwork skills.
Nice-to-Have:
- Experience with GraphQL and event-driven architecture.
- Knowledge of reactive programming using WebFlux.
- Familiarity with observability tools like Prometheus, Grafana, ELK stack.
About You: ● Education ranging from a Bachelor’s of Science degree in computer science or related engineering degree. ● 12+ years of high level API, abstraction layers, and application software development experience. ● 5+ years experience building scalable, serverless solutions in GCP or AWS ● 4+ years of experience in Python, MongoDB ● Experience with large-scale distributed systems and streaming data services. ● Experience building, developing, and maintaining cloud native infrastructure, serverless architecture, micro-operations, and workflow automation. ● You are a hardworking problem-solver who thrives in finding solutions to difficult technical challenges. ● Experience with modern high-level languages and databases including Javascript, MongoDB, and Python. ● Experience in Github, Gitlab, CI/CD, Jira, unit testing, integration testing, regression testing, and collaborative documentation. ● Expertise with GCP, Kubernetes, Docker, or containerization, is a great plus. ● Ability to write and assess clean, functional, high quality and testable code for each of our projects. ● Positive and proactive, solution-focused contributor and team motivation.
Engineering Manager – Backend
Opportunity in this role / Why should you join us?
Series D funded supply chain startup.
Requirements
- Software engineering experience of greater than or equal to 7 years
- Experience managing a technical team of at least 3 people
- Exposure to consumer facing products
- Strong technical background and ability to contribute to design and review
- Familiarity with our tech stack or an analogous tech stack
Technologies Used
- Web application frameworks : Ktor, Spring Boot, Ruby on Rails, Node.js, Java Play, AWS Lambda
- Languages : Kotlin, Java, Ruby, Javascript, Python
- Datastores : PostgreSQL, Aerospike, Redis, DynamoDB, Amazon Redshift
- Communication : HTTP, Amazon SQS, Sidekiq, Amazon SNS
- Server management : Amazon ECS, Docker
- Design frameworks : Domain Driven Design, Clean Architecture, Layered Architecture
Roles and Responsibilities
This role requires a person to drive the engineering of a set of products by aligning with business and product
stakeholders and building and upskilling a team to aid in this. The responsibilities include:
Business and product alignment and planning
- Work closely with business and product stakeholders to understand and align with product initiatives and iterations.
- Help shape the engineering requirement by aligning with the product manager and fleshing out concepts and user flows.
- Formalize business requirements into roadmaps and sprints.
- Product and system development
- Drive high level modeling and design for projects, also focusing on non-functional aspects, including but not limited to database design, communication protocols, deployment systems, etc.
- Drive adoption of design frameworks like domain driven design, clean architecture, etc., resulting in a robust layered architecture.
- Drive good code review practices, using the review process as a mentoring tool to upskill people.
- Ensure test coverage of systems, partly through unit and integration testing, and partly through blackbox testing by collaborating with the Quality Assurance team, via good testing practices.
- Project Management
- Drive the execution of the project by delegating tasks effectively.
- Resolve blockers through technical expertise, negotiation and delegation.
- Estimate timelines and ensure adherence to them through effective sync-ups and course corrections.
- Maintenance
- Formulate SLAs and oversee their adherence for the various systems, effectively tracking issues and performance inefficiencies.
- Performance monitoring and optimization for systems.
- Drive technical re-design, remodeling and refactoring of systems for robustness and sustainability.
- Team Management
- Typically manage a team of 3 - 6 members and a portfolio of 3 - 6 products.
- Do periodic assessment of reportees, chart their career growth paths and train them.
- Recruit members into the team by collaborating effectively with the recruitment team.
Product Overview
You will be contributing to products concerning both customers and partner drivers. Product sectors
include:
- Growth : You’ll build tools to help boost user growth on the platform including our industry bestdriver on-boarding, training and certification system, referral system, and lead managementmmodels.
- Lifecycle Management : Build tools to help users engage with the platform better, which includes rewards and recognition module, subscription service, account management tools, partner and customer wallets and payout modules, and churn detection systems among others.
- Transaction Experience : You’ll help deliver the most delightful booking experience to our customers and drivers. As part of this team, you’ll be responsible for our core booking system, pricing and payment systems, location tracking and filtering services, fraud prevention systems, and in-app ticketing and support among others.
- Fulfilment : As part of the fulfilment team, you’ll work on systems which ensure high degree of ride fulfilment on the platform. Tools including allocation methodologies and system, dynamic pricing, dynamic partner routing, and partner re-activation tools among others.
- Enterprise Solutions : You’ll help Porter’s enterprise customers achieve delivery excellence. You’ll build tools for contract management, fleet management, fleet and route optimisation tools, alerting and monitoring tools, and analytics suite among others.
DevDarshan is a devotional platform launched by IIT graduates to promote the teachings of Indian culture and the Hindu way of life in India around the world. In the 21st century, where everything around is digitized then why not temples. That’s the idea behind DevDarshan.We’ve built a community of devotees from multiple Countries, through our Mobile Application that connects Temples and Devotees, have successfully raised seed investment and also started to generate revenue for the temples and Priests associated with us. Right now we are looking to grow our team and build new exciting features for devotees all around the world.
This is where you come in.
We are looking for a passionate and self-motivated individual to help design our backend Systems to support both the Mobile App and WebApp
Requirements:
- Experience in NodeJS, Typescript, ExpressJS AWS EC2. You have built backend REST API’s
- Expert in System Design and Software Architecture Processes, How different components interact with each other in scale
- Experience with DevOps, Docker, AWS, Google Cloud.
- Experience in Managing Development Teams, complete delivery lifecycle
- Good understanding and experience of NoSQL and SQL Databases, which to be used when.
- Experience with CI/CD Systems like Jenkins, Github Actions.
- Some Experience with Realtime Databases/Systems or Socket based applications would be preferred.
- Some Experience with building Algorithms, Social Apps is preferred.
- Any experience with Handling Video Delivery like ffmpeg/HLS/WebRTC is preferred but not mandatory.
The Role
This Role naturally progresses into Engineering Manager / Software Architect.
- You will be involved at all stages of the product development process, from design to development and deployment.
- You will architect, build, scale, backend systems that powers our applications which will be used by millions of devotees every day.
- You possess a passion for improving techniques, processes, tracking, and continuously improve our engineering practices and would work on a daily basis towards that
About the role:
As a team member at TrusTrace, you’ll get to solve challenging, real-world problems that truly make a difference to society.
As a Product Developer at TrusTrace, you’ll get to solve challenging and real-time problems using cutting edge technologies. You get to work with industry thought leaders and big-name brands. You will work with the product team to materialize the requirements into pieces of user stories and priorities. You will get hands-on experience in polyglot programming to build solutions and write tests to ensure quality code. (We primarily work on Java, typescript/node, and golang). If you build it, you will own it, i.e . you will be generating metrics, track improvements, and bug fixes for features that are built and shipped by you.
Experience & Skills: (3 – 6 Years) The successful candidate will have
- Passion for problem-solving.
- Flexibility to multitask and re-priorities when necessary.
- Ability to work in an agile and customer-eccentric team.
- Open to learning new technologies.
- Prior saas/start-up experience is preferable, but not mandatory.
- Hands-on experience in back-end technologies and have a strong understanding of core data structure and design patterns.
- Commanding knowledge in HLD/LLD
- Basics of system design and distributed systems
- Strong fundamentals in frameworks like Spring MVC, Spring Security, Spring Data, and Spring-boot.
- Sound knowledge in Java and JVM ecosystem.
- Write the production-grade test code. Junit/ TestNG
- Proficiency with Rest API performance and OpenAPI standards.
- Experience in building cache layers and invalidate them properly ;-)
- Strong knowledge of NoSQL(Mongo) database.
- Experience with Elastic search or Solr is preferred.
- Basics understanding of cloud infrastructures (Preferably AWS) and CI/CD pipelines.
- Should have startup/product Experience
Educational Qualification : Preferably from CS/Circuit Background
Backend/Fullstack Developer
About the Company:
Company is India’s largest and best-established digital wealth management service that helps its customers create wealth for their long-and-short-term goals. Founded in 2012, Company is a pioneer in the digital financial services category and is recognised for creating simple and elegant user experiences in a complex domain. We do this by simplifying complex investing concepts and automating best practices, so our customers can grow their wealth without worry. We achieve this by combining cutting-edge technology, data-driven algorithms, awesome UX and friendly customer support. Our task is ambitious and we like to work hard as well as smart. We want to build a team that relishes challenges and contributes to a new way of thinking and investing in India. We are also invested in the growth of our colleagues and providing a supportive and thriving working environment for everyone. We have been recognised by Great Place To Work® as one of India’s best companies to work for.
Role specific info:
- 4-12 years of experience building good quality production software
- Excellent knowledge of at least one ecosystem based on Elixir/Phoenix, Ruby/Rails, Python/Django, Go/Scala/Clojure
- Good OO skills, including strong design patterns knowledge
- Familiar with datastores like MySQL, PostgreSQL, Redis, Redshift etc.
- Familiarity with react.js/react-native, vue.js etc. • Knowledge of deploying software to AWS, GCP, Azure
- Knowledge of software best practices, like Test-Driven Development (TDD) and Continuous Integration (CI)
What would you do here:
- Writing quality code using language best practices.
- Working in a highly collaborative team.
- Building good software using the latest tools and techniques.
- Participating in design reviews, coding modules, code reviews and unit testing.
- Taking ownership of quality and usability of your code.
- Mentoring co-workers.
- Leading efforts in improving technology architecture.
Develop back-end server that includes business logic linked to various data storage solutions
including database.
Design back-end server system by using technology appropriate for server environment.
Develop and maintain Rest services for Samsung Pay Develop RESTful services that are highly
scalable, available, maintainable
Skills :
Excellent Programming Skills
Strong problem-solving abilities
Analytical skills, and troubleshooting
Good understanding of algorithms, data structures, and performance optimization
methodsHands-on with Design, Coding, Debugging, and TestingExcellent Communication &
Interpersonal Skills, Team Player.
Programming Skills:
C/C++ and/ Java Jquery, Spring, Struts.Hibernate, Web Services, Web Security,
Java
J2ee
working experience with one or more clouds
Understanding of design architecture
Experience with Traditional databases and nosql databases
Sound in Algorithms,data structures and problem solving
Good at coding and design











