
Backend – Software Development Engineer II
Experience: 4–7 years
Location: Bangalore
Work Mode - Hybrid
About Wekan Enterprise Solutions
Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.
Job Description
We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?
You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects
What you will do
- Own backend features and migration workstreams end to end, from understanding the existing codebase and data model to delivering production-ready implementations.
- Build and enhance Java/Spring Boot services used in modernization, migration, and cloud transformation projects.
- Design and implement backend flows that are safe under retries and partial failures, with clear thinking around validation, transaction boundaries, idempotency, and downstream side effects.
- Work across application, database, and deployment layers to improve reliability, maintainability, and operational visibility.
- Model data based on access patterns and business workflows, with sound choices around schema design, indexing, and query performance.
- Investigate production issues using logs, request traces, database state, and service behavior; identify root causes and implement durable fixes.
- Collaborate with internal teams, customer engineering teams, architects, and stakeholders to deliver high-quality solutions on mission-critical projects.
- Write clean, modular, testable code and participate actively in sprint ceremonies, code reviews, design discussions, and release activities.
What we’re looking for
- 4–7 years of backend engineering experience, with strong hands-on delivery in Java-based systems.
- Solid experience with Java, Spring Boot, and microservice-style backend development.
- Demonstrated ownership of at least one meaningful backend service or feature area in production.
- Strong understanding of backend engineering fundamentals, including service reliability, data consistency, failure handling, and production-grade design considerations.
- Strong database fundamentals, including schema design, query writing, indexing, and performance reasoning.
- Strong depth in MongoDB or a relational database such as Oracle, with working comfort across both styles being a plus.
- Ability to investigate and resolve real production issues across services and databases, including consistency, performance, and reliability problems.
- Hands-on experience with testing frameworks such as JUnit and Mockito.
- Proficiency with Git, including branching, code review workflows, and conflict resolution.
- Strong communication skills and the ability to collaborate effectively with engineers, stakeholders, and customers.
Preferred qualifications
- Experience working on legacy modernization, data/service migrations, or decomposition of existing systems into cleaner service boundaries.
- Exposure to both MongoDB and relational databases, including query tuning, indexing, and production troubleshooting.
- Familiarity with Oracle PL/SQL or migration of logic from database-heavy systems into service-layer Java code.
- Exposure to CI/CD deployment and cloud environments like AWS, Azure, or GCP.

About Wekan Enterprise Solutions
About
Cloud Adoption helps companies make better business decisions by allowing access to real-time data across the organization. Migration towards cloud solutions and modern technologies, allows these companies to reduce the TCO of their technology infrastructure and drive ROI improvements on their technology investments.
Candid answers by the company
Wekan helps companies grow by modernizing their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.
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Are you passionate about backend development and building scalable applications? Join our growing team!
Technical Skills:
- Extensive experience in programming/scripting languages and frameworks in at least two Node.js, Java Springboot, and Python.
- Understanding of architectural patterns like Flux and MVC is a desirable
- Work experience in REST API service, Socket connections, and mechanisms to handle real-time async data is important.
- Strong knowledge in OOPS, GIT, SQL/nonSQL DB (such as Elastic DB, Mongo DB, MySQL), Design Patterns
- Preferred to have experience with microservices, API gateway, AAA service
- Good knowledge of coding standards, design patterns, unit testing frameworks, TDD, CI/CD practices.
Must have previous experience in leading a team-
- Experience with RESTful web services, CSS, and HTML5 is desirable-
- Experience with designing and building APIs with REST/Microservices
- Good to know about AWS Lambda & supporting configuration knowledge. Knowledge of any of the serverless frameworks like Serverless, AWS SAM would be an advantage.-
- Good to know of API Gateway and CloudFront.-
👉 Required Skills:
- Strong experience with Node.js
- Hands-on expertise in Payment Gateway Integration
- Proficient in MySQL Database Management
- Knowledge of Socket Programming is a big plus!
Skills Required:
- Experience of more than 4 to 6 years in software development.
- Very Strong Experience in Core Java.
- Excellent Java Programming skills Experience in Data Structures, Algorithms and Design Patterns.
- Strong in Problem solving, Analytical skill and logical thinking.
- Skill to be trained: java, spring, mango db, cassandra.
- Strong experience in Spring Boot, Restful API
- Looking for shorter notice period candidates only.
Should have Excellent Experience of Node.js.
In-Depth knowledge of Express Js, JavaScript, TypeScript,
Should have experience in MongoDB, My SQL, GraphQL and any graph Database
Experience working with REST APIs, and Sockets.
Ability to Identify and fix production and non-production application issues as a part of the deployment.
Good Knowledge of AWS - Beanstalk, Cloud Watch.
Good to have Agile/JIRA/ Continuous Deployment experience.
Good Knowledge of JSON, API, and JWT
Ability and willingness to manage multiple projects/tasks.
Basic Understanding of HTML5, CSS.
Job Responsibilities:
Understanding accessibility and security compliance (Depending on the specific project)
User authentication and authorization between multiple systems, servers, and environments.
Integration of multiple data sources and databases into one system
Understanding fundamental design principles behind a scalable application.
Requirements
- Bachelor's degree in Computer Science or related field or equivalent experience
- 2+ years of Full Stack development experience using NodeJs
- Knowledge of relational databases (PostgreSQL, MySQL, etc. )
- Experience designing and developing REST APIs
- Strong analytical and communication skills
- Eager to learn new technologies
- Strong fundamental knowledge of object-oriented programming, data structures, algorithms, and performance
- Hands-on experience with agile practices, including coding standards, reviews, build process, testing, and code control management.
- Infrastructure experience including AWS, Jenkins, Docker, Kubernetes and CI/CD configuration and deployment is ideal.
- Our development team is looking for an experienced full-time Full Stack Developer to join our fast-growing organization.
- As part of the development team, you will be maintaining, enhancing, designing, developing, testing, and documenting on both the client and server-side of our products.
- The ideal candidate is an innovative problem solver, who has excellent communication and teamwork skills.
- NodeJS, React JS
- Docker, AWS
We are scaling rapidly in user engagement (reached 150K+ daily transactions within 3 months of beta launch), and if you're looking to deal with scale, this is for you.
About Trago.in: We are a neo-trading platform where one can trade their opinions on real-time events across politics, Sports. We are building in a super-interesting category with a focus on things happening around you and giving the audience a platform to earn from opinions and knowledge.
We are a seed-funded company with marquee investors from across the globe and an amazing set of co-founders from the premier institutes of India.
To know more about us, please visit: www.trago.in
Responsibilities:
* Build the APIs and internal mechanisms of the Trago backend across all our services.
* Architect and guide building end-to-end systems optimized for speed and scale.
* Build and lead engineering teams to achieve product roadmap milestones.
* Oversee the research and development of new products and technologies.
* Be available for troubleshooting in case of backend emergencies.
Requirements:
* Bachelors in Computer Science or any Engineering domain with experience in Software Programming.
* 2-5 years of experience building large-scale software applications.
* Highly proficient with Java and knowledge of the many intricacies of Spring Boot.
* Proficient with MongoDB and Redis.
* Knowledge of Aerospike, and other databases would be a bonus. Good understanding of distributed systems (servers, databases, etc.).
* Positive and solution-oriented mindset and comfort working in a highly agile, intensely iterative software development environment.
What's in for you?
* Work directly with founders
* Freedom to experiment and get creative.
* Be Yourself, every day.
* Build for scale - We are building Trago with a mindset to scale to 100 mn+ customers in 3 years. We are presently doing 150K transactions a day, which we will scale by 100x in one year.
Job Responsibilities:
* Design, build, and maintain efficient, reusable, and reliable Java code
* Ensure the best possible performance, quality, and responsiveness of the applications
* Identify bottlenecks and bugs, and devise solutions to these problems
* Help maintain code quality, organization, and automatization
* Prepare the technical design of complex technology components
Mandatory Skills:
* Proficient in Java (JDK 1.7) or above JDK 8 preferable, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of concurrency patterns in Java
* Solid understanding of object-oriented programming along with various design and architectural patterns
* Hands on experience with Spring, Spring Boot, JUnit
* Familiarity with concepts of MVC, Microservices, RESTful
- 4+ years of professional development experience in an agile software engineering role
- Strong development skills in Java or Groovy
- Experience with Jenkins, bamboo and CI/CD environments
- Familiarity with Guice or similar dependency injection frameworks
- Familiarity with relational database technology
- Familiarity with document store database technology such as ElasticSearch or Cassandra
- Experience with design and testing of RESTful APIs
- Familiarity with cross platform development on Linux, OSX and Windows
- Strong understanding of Git version control system
- Knowledge of JavaScript (Node.js)
- Familiarity with Amazon Web Services (AWS)
- Familiarity with Docker / Kubernetes
- Experience with continuous integration and build systems such as Jenkins or Bamboo
- Experience with Jira or other project management, issue-tracking or bug-tracking tools
- Should have knowledge of RDBMS
- Familiarity with Node.js, Kotlin, Kafka, DynamoDB
- Previous experience with SaaS or cloud development, Micro-services
Programming expertise in latest technologies including; Java
Expertise in MuleSoft, Maven, Gradle, oAuth2.0, JWT, Spring Boot, Microservice Architecture, Web services (SOAP/ REST), Hibernate.
Expertise in DB (MongoDB, MySQL, PostgreSQL)
Experience in developing Continuous Integration/ Continuous Delivery pipelines (CI/ CD)
Proficiency in AWS, AZURE, Docker, DevOps, Git, Jenkins
Extensive experience in parsing XML and JSON and integration with API/ WS
Well versed in software engineering principles, frameworks and technologies.
Excellent communication and team management skills
Self-directed team player who thrives in a continually changing environment
Strong customer service/client service skills.
Desired Candidate Profile
Experience developing and analysing code for a web-based application
Maintain a flexible work schedule and perform other duties when assigned
- Build the backend for Android & iOS application and website with Company Dashboard (MIS).
- Integration of user-facing elements developed by front-end developers with server side logic
- Design and implementation of low-latency, high-availability, and performance applications
-Well versed with AWS and Server deployment
- Excellent knowledge of Spring frameworks
- Excellent knowledge of Java, JSP, JavaScript, AJAX, HTML, JSON
- Good knowledge of MySQL
- Knowledge of coding standards and good commenting practices
- Experiences in developing RESTful web services must.
- Ability to understand business requirements and translate them into technical requirements
- Ability to design applications around natural user interfaces
- Experience with REST API connections
- Writing reusable, testable, and efficient code
- Integration of data storage solutions
- Build the backend for application and website with Android App, IOS, Company Dashboard.
- Own software quality and optimize UI
- Understand closely the requirements of the customers and get the features implemented on time
- Creating of strong project timeline along with budgeting and regular reporting
Requirements:
- B. Tech/BE in Computer Science or related subject from a reputed university
- IIT/NIT/IIIT Only
- 2+ years of experience in Technology background and start-up environment.
- Strong proficiency with J2EE with Spring MVC, JPA, DSA, MySQL, Git.
- Basic understanding of front-end technologies, such as HTML5, JQuery and CSS3
- Understanding fundamental design principles behind a scalable application
- Creating database schema that represent and support business processes
- Advanced level (knowledge and experience) of programming languages and methodologies.
- Excellent judgment/decision making, conflict resolution, leadership and motivational skills.
- Should have strong work ethic and positive team attitude








