
Skills:
We would prefer it if the candidate has 1 + years of experience.
- Node.js - must have knowledge and experience
- MySQL/MongoDB - must have knowledge and experience
- GIT
- Any JS backend framework
Responsibilities:
- Participate in the entire application lifecycle, focusing on coding and debugging
- Write code to develop functional web applications
- Troubleshoot and debug applications
- Perform UI tests to optimize performance
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Gather and understand technical and design requirements
- Build reusable code and libraries for future use
- Liaise with developers, designers and system administrators to identify new features
- Follow emerging technologies
Qualification:
- Bachelors in IT Engineering (Preferred)
- Master in Computer Applications
- M.Sc IT
Other Information:
Location:
Mumbai, Malad.
Age group:
22 years to 27 years.
Working Days:
Monday to Friday only, Saturdays and Sundays fixed off.
Working Timings:
10:30 am to 7:30 pm

About Blackcurrant Labs Pvt. Ltd.
About
We are a upcomming startup, we specialize in developing custom Mobile and Web Apps. We also develop some of our own indigenous products and services along with outsourcing work.
We are always in favour of new and cutting edge technologies and you can assume to have a steep learning curve with us, but the experience is rewarding as well.
We have passes the first 1 year of being a statup and not only have we survived, we have seen significant growth. If yor're a developer who likes testing unchartertered waters of new technologies, you will fit right in with us.
Connect with the team
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Experience : 4+ Years
📍 Location : Bangalore, India (Hybrid)
Mandatory Skills : Java 8+ (Advanced Features), Spring Boot, Apache Spark (Spark Streaming), SQL & Cosmos DB, Git, Maven, CI/CD (Jenkins, GitHub), Azure Cloud, Agile Scrum.
About the Role :
We are seeking a highly skilled Backend Engineer with expertise in Java, Spark, and microservices architecture to join our dynamic team. The ideal candidate will have a strong background in object-oriented programming, experience with Spark Streaming, and a deep understanding of distributed systems and cloud technologies.
Key Responsibilities :
- Design, develop, and maintain highly scalable microservices and optimized RESTful APIs using Spring Boot and Java 8+.
- Implement and optimize Spark Streaming applications for real-time data processing.
- Utilize advanced Java 8 features, including:
- Functional interfaces & Lambda expressions
- Streams and Parallel Streams
- Completable Futures & Concurrency API improvements
- Enhanced Collections APIs
- Work with relational (SQL) and NoSQL (Cosmos DB) databases, ensuring efficient data modeling and retrieval.
- Develop and manage CI/CD pipelines using Jenkins, GitHub, and related automation tools.
- Collaborate with cross-functional teams, including Product, Business, and Automation, to deliver end-to-end product features.
- Ensure adherence to Agile Scrum practices and participate in code reviews to maintain high-quality standards.
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Minimum Qualifications:
- BS/MS in Computer Science or a related field.
- 4+ Years of experience developing backend applications with Spring Boot and Java 8+.
- 3+ Years of hands-on experience with Git for version control.
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Integration Developer
Job Description
Roles and Responsibilities
- Design, Code, test, debug, implement and document complex WSO2 sequences.
- Monitoring and logging tool stacks - Splunk/ELK/Prometheus, Grafana 4 Design, Code, test, debug, implement and document complex WSO2 sequences.
- Perform Build activities for WSO2 ESB Middleware integration, involves writing XSLT, ESB coding, configuration, and Analysis activities.
- Trouble shooting various problems in different stages of development using logs files, Traces and Log Analyzer.
- Responsible for understanding the requirement, solution design, coordinate the development and testing activities (end to end)
- Guide the team regarding WSO2 platform best practices, framework, reusable artefacts and ensure code quality and timely deliverables.
- Work with functional and technical customers to determine solutions that drive additional business value.
- Work with Github, Azure Devops and CI tools to automate dev, build, deployment and testing.
- Good knowledge in messaging brokers: WSO2 Message Broker, Apache Kafka.
- Monitoring the server (Monitoring logs and WSO2 metrics).
- Desired Candidate Profile
Desired Candidate Profile
- Candidate must have minimum 2+ years of hands-on experience in WSO2, preferably with WSO2 certification.
- Extensive experience in Integration by using WSO2 Product Stack (API Manager 2.6/3.x, Enterprise Integrator 6.5 and Identity Server 5.7.0)
- Experience in Implementing APIs in WSO2 EI and On-boarding APIs into WSO2 API Manager
- Experience in WSO2 API Manager for designing API facades and designing and implementing API Proxies.
- Hands-on experience in designing and developing high volume web services using API Protocols and Data Formats (REST, JSON, SOAP & XML).
- Must have hands on experience / knowledge with CI tools to automate dev, build, deploy.
- Experience in programming languages: Java, JavaScript, Python
- Experience in on boarding web applications into WSO2 Identity Server for authentication and authorizatio
Qualifications
- Minimum of a Bachelor's or Master’s degree in Computer Science, or a related four-year degree.
- 4 years of hands on experience in Integration
REMOTE JOB
Senior Back-end Developer
You will be responsible for working closely with our engineers to ensure system consistency and improve user experience. Ultimately, you should be able to develop and maintain functional and stable web
applications to meet UAS technology requirements.
Responsibilities
• Develop, troubleshoot, and debug applications.
• 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.
• Provide training and support to internal teams.
• Build reusable code and libraries for future use.
• Liaise with developers, designers, and system administrators to identify new features.
• Follow emerging technologies.
• Teamwork skills with a problem-solving attitude
• Excellent analytical and time management skills
Requirements
• Have 5+ years solid expertise in building enterprise-level Node.js Applications with a strong
knowledge in the following related technologies & frameworks: Javascript, Typescript, Express.JS,
Nest.JS, Loopback, Sequelize, Socket.io.
• Write clean, testable, and reusable code using TDD, with hands-on experience working in both
Monolith and Microservices architecture.
• Experience working with Unit Testing frameworks: Mocka, Chai, Istanbul
• Solid expertise in database technologies and ORMs including Sequelize, MySQL, MongoDB, Redis
• Proficient understanding of code versioning tools, such as Git/GitFlow and SourceTree
• Experience setting up your own CI/CD pipelines
• Experience working with communication protocols like (Websockets, gRPC, XMPP)
• In-depth understanding of the entire web development process (design, development, and
deployment)
• Hands on experience with other programming languages like Java, Ruby, PHP and Python with
sufficient knowledge in using 3rd party packages/plugins
• Familiarity with front-end languages (e.g. HTML, JavaScript and CSS)
• Familiarity working with popular cloud providers like Azure, AWS
• BSc degree in Computer or in relevant field


- Python knowledge: object-oriented programming: inheritance, abstract classes, dataclass, dependency injection, design patterns: comand-query, repository, adapter, hexagonal architecture, swagger/Open API, flask, connexion
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- Basic knowledge about terraform, gitlab ci
- Experience with SQL DB


Our client is a rapid growth stage Edtech start-up focused on solving the teacher shortage crisis in the US education system using technology by bringing teachers to the classrooms and giving them access to the right tools to teach students in a highly engaging manner.
They have a development center in Mumbai and they are looking to scale up the teams in Pune and Bangalore as well.
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● Ability to resolve performance issues
● Mentor junior software engineers and help them grow their technical skills
Must Have Skills:
● B.E/B.Tech in computer science
● 8-11 years of experience
● Hands-on experience following skills
MS Technologies: NET CORE 5+, C#
Backend : MSSQL /MySQL/Postgres
● Good understanding of Cloud technologies like Azure/AWS.
● Good understanding of Design Principles, Design patterns and Microservices Architecture.
● Excellent problem-solving, critical thinking, and communication skills
● Worked in an Agile software development environment
Must understand full stack development frameworks including knowledge of building scalable APIs, interfaces, software components, schema design, availability, and latency preferably in a cloud environment.
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● Understanding of different types of architectures.


Rejolut is among the fastest-growing and award winning Tech companies working on leading technologies namely Blockchain, Machine Learning & Artificial Intelligence, Complex mobile & Web Apps, IoT, etc.Rejolut is a venture-backed company with clients in over several countries namely Malaysia Airlines,gba global,my-earth,biomes, Dlg-hub,etc.
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
Responsibilities:-
- Own the product development from scratch.
- Architect scalable, distributed and large-scale web and mobile solutions from scratch.
- Code for fresh development and to troubleshoot and resolve issues.
- Writing reusable, testable, and efficient code.
- Creating database schemas that represent and support business processes.
- Design and implementation of low-latency, high-availability, and performant applications.
- Able to learn & implement new technology/framework/library at God Speed.
- Customer-focused, react well to changes, work with teams and be able to multitask.
- Experience and knowledge of open-source tools and frameworks, broader cutting edge technologies around server side development.
Desired Candidate Profile:-
- A Bachelor's degree in Computer Science or related field(or combined with related experience)
- Strong Expertise in Node.js/Javascript
- Hands-on experience in writing Node.js applications
- Deep knowledge of Restful APIs, Web Services, command-line programs and solid design principles.
- Knowledge of Node.js and frameworks like Express.js,Sails.js,StrongLoop, Meteor,Loopback.js, etc
- Knowledge of SQL and NoSQL database(MongoDB)
- Knowledge of tools like Docker, Git, Postman, JSdocs, etc.
- Well versed with front-end technologies - HTML5, and CSS3, AWS, GCP, Azure, Good hold on CLI command, OS
- Proficiency in multiple programming languages, both dynamic(Javascript, Python, Ruby, etc.) and strongly typed object-oriented language.
- Implementing automated testing platforms and unit tests.
- Must be a proven performer and team player that enjoys challenging assignments in a high energy, fast growing and start-up workplace.
- Good communication and interpersonal skills
Rejolut - As a Career Differentiator
- We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.
- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.
- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.
- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loylty Rewardz.
Benefits :
> Health Insurance
> Work from Home
> Fast growth and more visibility into the company
> Experience to work on the latest technology
> Competitive Learning Environment with supportive co-workers
> Employee friendly HR Policies
> Paid leaves up to certain limits
> Competitive salaries & Bonuses
> Liberal working atmosphere
> Get mentored by the best in the industry
Schedule:
- Day Shift/Flexible working hours
- Monday to Friday
Role Description :
- Good Understanding of Java 8 with proven hands-on skills
- Experience in Spring Framework - Spring Boot, Spring Data, Spring REST
- Experience in Spring Reactive
- Experience in Git, Gradle / Maven
- Practitioner of clean code and SOLID principles
- Able to test drive features
- Can debug code at ease and ensure quality code is produced
- Knowledge of design patterns
- Comfortable with agile practices, user stories and task breakdown
- Understands REST principles and Micro services
- Experienced with technologies such as
- Required Java, Spring Boot
- Good to have Maven, GIT, Swagger, PCF, Rabbit MQ
- Good API skills technology such as Rest Webservice
- Good foundation in data structures, algorithms and OO Design with rock solid programming skills
- Experienced on creating unit test using JUnit, Mockito or PowerMock
- Experienced on mark up language such as JSON and YML
- Experienced on using Quality and Security scan tools such as Sonar, Fortify and WebInspect
- Experienced on agile methodology

About the work from home job/internship
1. Work on backend development
2. Work on application and web development and api development
3. Work on programming languages like JavaScript, PHP, Ruby, Python, Java
4. Work on modern JS frameworks such as React.js, Node.js, and Angular.js
5. Work to implement server-side or application logic, develop databases, and design architectures


