
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app.

About Recro
About
Recro is a developer-focused platform that was founded with the aim of seamlessly matching individual expertise with the right opportunities.
We empower talented developers by providing them with relevant experience at fast-growing startups based on technical competencies and aspirations. These opportunities have a significant impact on their career success and help them become their best self.
On the other hand, startups get instant access to top-quality developers with guaranteed productivity from the very beginning. We help them to scale up/down based on their needs, thus ensuring an efficient and high-yielding workforce.
Developers solve real-time complex problems and get exposure to the uplifting and challenging work culture at start-ups like Flipkart, Dunzo, Swiggy, and Zivame among many others. At Recro, we ensure continuous support from our strong community to accelerate careers for developers and strive to create optimal business outcomes for high-growth startups.
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About Tamasha
Tamasha is building next-generation live, social, and real-time consumer
experiences across gaming, audio, video, and interactive platforms. Our backend
systems power millions of real-time interactions, low-latency data flows, and high
throughput event-driven services.
Role Overview
As a Software Development Engineer III (Backend), you will operate as a senior
individual contributor owning mission-critical backend systems. You will design
scalable architectures, solve complex distributed systems problems, and influence
engineering standards across teams.
Roles & Responsibilities
Own backend systems end-to-end, from design and implementation to
production reliability and long-term evolution.
Design scalable, fault-tolerant, and low-latency backend architectures for real
time and event-driven use cases.
Lead system design decisions including data models, service boundaries, async
workflows, and scalability strategies.
Build and operate high-throughput services handling millions of events, requests,
or messages per day.
Own reliability metrics such as p95/p99 latency, uptime, error budgets, and
participate in incident resolution and post-mortems.
Drive architectural migrations including monolith to microservices and
synchronous to asynchronous flows.
Collaborate with product, frontend, and data teams to translate complex
requirements into robust backend solutions.
Improve developer productivity by contributing to internal platforms, tooling,
CI/CD pipelines, and coding standards.
Mentor engineers through design reviews, code reviews, and technical guidance
without direct people management.
Proactively identify performance bottlenecks, cost inefficiencies, and scalability
risks and resolve them at the system level.
Tech Stack
Backend: Node.js (NestJS / Express), Golang, Java
Databases: PostgreSQL, MySQL, MongoDB, Redis
Messaging & Async: Kafka, SQS, RabbitMQ, Pub/Sub
Real-time: WebSockets, Server-Sent Events
Cloud & Infra: AWS / GCP, Docker, Kubernetes
Observability: Prometheus, Grafana, OpenTelemetry
What We’re Looking For
• 5+ years of backend engineering experience
• Proven ownership of production systems at scale
• Strong understanding of distributed systems and async architectures
• Experience handling production incidents and system reliability
• Ability to independently design and evolve backend systems
Skills Required:
- At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large-scale social or location-based app.
Are you interested in creating outstanding, reliable and scalable software?
We at Lynkzo are creating a modern omni channel communication platform for companies to meet the changing requirements in the market.
We are looking for someone who:
- has hands-on experience with creating/working on scalable applications in Nodejs using various frameworks like Express, Hapi, Fastify, etc and can structure a fairly large codebase properly.
- has been working as a backend developer for 3+ years.
- has great experience working in both SQL and NoSQL databases.
- can extensively test the entirety of the application.
- can convert real-world business challenges into effective technical solutions.
- has experience working with an agile/scrum team.
- can work independently with limited supervision.
*Experience in AWS will be good to have.
- Implementing apps functionality as per communicated design
- Translating design specification into functional apps
- Communicating with other team members to establish an effective pipeline and integrating media assets
- Designing, building, and maintaining efficient, reusable, and reliable code
- Ensuring the best possible performance, quality, and responsiveness of applications
- Identifying bottlenecks and bugs, and devising solutions to address and mitigate these problems
- Helping maintain code quality, organization, and automatization
What you need to have:
- Excellent knowledge of Unity, including experience with scripting, textures, animation, UI styles, and user session management
- Familiarity with level design and planning
- Experience with game physics and particle systems
- Experience with 2d and 3D mobile and console game/app development
- Experience in optimizing memory and space usage for support of older hardware
- Good knowledge of 3D Maths.
- Ability to constantly learn and stay in touch with evolving game standards and development technologies
- Strong understanding of object-oriented programming
- Familiarity with current design and architectural patterns
- Knack for writing clean, readable, and easily maintainable code
- Proficient knowledge of code versioning tools (such as Git, SVN, and Mercurial)
- Experience with JIRA or similar platform is a plus
- A commitment to collaborative problem solving, sophisticated design, and a quality product are essential.
We are a fintech start-up founded by IIMA alumni with 20+ years- experience in finance industry. We have a robust
technology platform and an operations team. We offer wealth management, financial services and insurance
products to small and medium enterprises on technology platform.
• Work as part of a team developing web API and database.
• Help maintain code quality, organization, and automatization
• Effectively use tools and ingenuity to identify and fix defects before they become a problem
• Collaborate with team members to define, design, and ship new features
• Ensure top-notch performance, quality, and responsiveness of web API
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

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1. POSITION DESCRIPTION |
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Job Title: |
Switch Developer/ Integration/ Java Developer |
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Job Type: |
Permanent | Work from Home |
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Qualifications: |
Bachelor’s degree of Engineering, Computer Science or relevant field |
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2. JOB DIMENSIONS: |
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Experience |
3-7 years |
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Primary Skills |
Core Java, Spring Boot, MySQL, Oracle, REST APIs, knowledge of card scheme specifications, ISO8583 Payment standards, EMV Data, Switch payment integration |
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Job Location |
Mumbai/Bangalore | open to remote work |
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3. REQUIREMENTS: |
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· Looking for a Switch developer with 3-7 years of hands on working experience with minimum of 3-4 years in Card and Payment Domain. · Strong knowledge of core java & spring boot · Hands-on experience on payment switch integration · Good knowledge of ISO8583 and EMV Data. · Hands-on experience on any database like MySQL, oracle...etc. · Should be strong in creating/ defining Swagger specs for REST APIs, understand REST principles, Guidelines. · In depth knowledge of Card Scheme Specifications (VISA, MasterCard, Rupay and AMEX), Card · Well versed with payment standards and ISO8583 and EMV data (mandatory), · Hands on experience with Switch payment integration · Resolve technical issues for designers and developers during project lifecycle · Excellent problem solving/troubleshooting skills on Java/J2EE technologies · Result oriented and a versatile engineer who is expert in providing solutions, creating architecture and designs. · Excellent communication (written and verbal) and interpersonal skills |
Out of many tools and technologies, we use Java, MongoDb, Cassandra, Redis, Twem, Netty extensively for our back-end development.
- Leading the entire Backend platform for a product portfolio.
- End to end delivery new features.
- Evolving the architecture for performance and scalability.
- Design, develop and own components of a highly scalable, distributed web services platform.
- Constantly strive to improve software development process and team productivity.
- Mentor and train team members
- Lead module development independently
Required background, Knowledge, Skills and Abilities
- 5.5+/ 7+ Years of experience in a scalable product/ecommerce organization·
- Excellent Java skills, Understanding of Spring framework & MVC approach
- Strong knowledge of Performance optimization and caching techniques.
- Strong Object Oriented Programming concepts, data structure and algorithms
- Experience in developing scalable, fault-tolerant, distributed backend services
- Experience with prevalent design patterns and advanced system designing
- Good experiences with databases and Schema design. We heavily use NoSQL databases
- Strong Problem Solving skills
- Experience in at least one of the frameworks YII / Codeigniter
- Experience in Laravel(Mandatory)
- Good experience in JS, JQuery, AJAX, Angular JS
- Good experience in Html, CSS, Responsive Design.
- Ability to write and consume web services and REST services.
- Knowledge on Developing APIs for Mobile Applications
- Should have excellent communication skill and technical skill
- Extensive OOD (Object-oriented design) / OOP (Object-oriented programming) experience.
- Good knowledge of relational databases (MySQL), version control tools and of developing web services
- Should have good understanding skill and ability to work independently or within a team and lead a team.
- Passion for best design and coding practices and a desire to develop new bold ideas.
- Knowledge of and experience applying design patterns andimplementing industry best practices required.
Good to Have Skills:
- Knowledge on Server Maintenance
- Knowledge on Amazon AWS
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If you fit the above criteria, send your latest resume along with following information duly filled to us immed at appleinformatics(at)yahoo.com
- Total Experience:
- Relevant Experience:
- Current Job location:
- Notice Period:
- Reason for change:
- Current CTC:
- Expected CTC:
Can join earliest by:












