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Backend Engineer at Unico Connect Private Limited · Remote, Mumbai · 3 - 5 years · Profitable · Remote friendly · Posted 15 Sep 2026

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Backend Engineer

Umama Sayed's profile picture
Posted by Umama Sayed
3 - 5 yrs
Best in industry
Remote, Mumbai
Skills
skill iconNodeJS (Node.js)
TypeScript
skill iconPostgreSQL
skill iconRedis
API
skill iconAmazon Web Services (AWS)
skill iconDocker
RabbitMQ
skill iconExpress


About the Role


Unico Connect is an AI-first technology partner that builds custom mobile, web, and AI products for clients across multiple geographies. We are hiring a Backend Engineer for a dedicated client engagement building an AI-powered application builder platform.


The backend is the operational core of the product: it manages user projects and sessions, coordinates long-running AI agent workloads, maintains project state, and serves as the integration layer between the frontend, the AI system, and the underlying infrastructure.


The mandatory requirement is hands-on production experience shipping Node.js services, with end-to-end ownership of API design, data modelling, and at least one production system involving background job processing or event-driven patterns.




Responsibilities


API and service development: Design and build REST APIs in Node.js with TypeScript. Cover authentication, session management, input validation, structured error handling, streaming responses (SSE, WebSockets), and rate limiting. Maintain clean API contracts that the frontend and AI system can rely on.


Database design and management: Own PostgreSQL schema design for product domains including user accounts, projects, file trees, session state, and generated artefacts. Write efficient queries, manage migrations, and optimise for read patterns that serve a real-time editor experience.


Caching strategy: Implement and maintain caching with Redis for session data, project state, and frequently read configuration. Design cache invalidation logic that keeps the editor experience consistent without stale reads.


Queue and background job management: Implement and operate background job infrastructure using BullMQ or equivalent. AI agent runs are long-running and stateful; handle retries, failure states, priority queues, and concurrency limits.


AI system integration: Build the integration layer between the backend and the AI agent system. Manage job dispatch, result handling, streaming output to the frontend, and error propagation.


Multi-tenancy and access control: Implement tenant data isolation, RBAC, and resource ownership enforcement across all API surfaces.


Observability and reliability: Instrument services with structured logging, metrics, and tracing. Write defensive code with sensible timeouts, fallback behaviour, and circuit breaking on external dependencies.


Testing and code quality: Write unit and integration tests for the services you ship. Review the work of peers and contribute to shared engineering conventions.




Requirements


• Hands-on production Node.js experience (mandatory) — must have personally shipped at least one feature area end to end in a production Node.js service, owning API design, data modelling, and testing.


• 3 to 5 years of professional backend engineering experience. Candidates with slightly less time but strong demonstrated ownership are welcome to apply.


• Strong Node.js and TypeScript. Production experience with Express, NestJS, or Fastify. Solid with async patterns, streaming, error handling, and building services that run reliably under sustained load.


• PostgreSQL depth. Schema design, query writing, indexing, and migrations on at least one production system.


• Redis and caching. Production experience using Redis for caching and session management. Understands cache invalidation trade-offs.


• Queue and background job systems. Hands-on with BullMQ, RabbitMQ, SQS, or equivalent. Experience managing retries, dead-letter queues, job priority, and concurrency control.


• AWS working knowledge. Comfortable with EC2, S3, RDS, SQS, and IAM. Familiar with Docker and basic deployment and environment management.


• Strong written and spoken English. Able to communicate clearly with engineers across disciplines and write precise technical documentation.




Nice to Have


Experience integrating with AI or LLM services (streaming responses, structured outputs, retry patterns); WebSocket or SSE implementation for real-time features; multi-tenant SaaS product experience; GraphQL; OpenTelemetry instrumentation; prior work on developer tools or editor-style products.

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About Unico Connect Private Limited

Founded :
2014
Type :
Services
Size :
20-100
Stage :
Profitable

About

Unico Connect is an AI-native software development agency based in Mumbai, India, with a presence in Chicago, USA. Founded in 2014, the company has grown into a comprehensive technology partner for startups, mid-market companies, and enterprises across over 25 countries. With a team of 90 engineers, Unico Connect has successfully delivered more than 250 digital products, with a significant portion of its business focused on international markets. The company specializes in a wide range of services, including no-code and low-code development, traditional code-based engineering, and AI-native solutions. Their offerings encompass AI-powered product development, mobile and web applications, automated testing, and cloud services. Unico Connect serves various industries, such as education, fintech, healthcare, e-commerce, and logistics, providing tailored solutions that meet the unique needs of its clients. The company aims to democratize software development and empower businesses to create impactful digital products.
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Location: Kochi, Kerala (On-Site)

Experience: 3–6 Years

Employment Type: Full-time


About Appmaker by StarApps

At StarApps, we build high-scale tools like Appmaker(https://appmaker.xyz/) that empower thousands of global e-commerce merchants to turn their web stores into native mobile apps. We focus on low latency, cutting-edge serverless architectures, and building scalable software that handles millions of requests every day.


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If you thrive in solving complex distributed system design challenges, optimizing cloud infrastructure, and taking ownership of core platform scaling, this role is for you!


Key Responsibilities

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  • Architecture Ownership: Own critical features and system components independently while collaborating on high-level architecture decisions.


What We’re Looking For

  • Experience: 3–6 years of hands-on software development experience with a focus on backend software architecture, systems engineering, and infrastructure.
  • Tech Stack: Strong mastery of Node.js, JavaScript, and TypeScript.
  • Cloud & DevOps: Hands-on experience with Docker, Kubernetes, Terraform, Ansible, and major Cloud Providers (AWS, GCP, or Azure).
  • Edge & Serverless: Deep understanding of serverless deployment models (Cloudflare Workers/D1, AWS Lambda, or equivalent).
  • System Design & Databases: Advanced knowledge of system design, load balancing, caching strategies, asynchronous message queues, relational database optimization, and high-availability architecture.
  • Engineering Standards: Strong experience with production CI/CD, observability tools, automated testing, and production troubleshooting.


Bonus Points

  • Hands-on experience with the extended Cloudflare suite (KV, R2, Queues, Workers).
  • Prior experience in SaaS product engineering, Shopify app ecosystems, or high-traffic global e-commerce platforms.

Why Join Us?

  • High Scale & Impact: Build software used by thousands of global brands and millions of end consumers.
  • Modern Tech Stack: Work with cutting-edge serverless architectures and infrastructure automation platforms.
  • Growth & Culture: Great engineering culture, high ownership, competitive growth, and direct technical leadership opportunities in our Kochi office.
Read more
A comprehensive WordPress backup, security, & cloud platform
A comprehensive WordPress backup, security, & cloud platform
Agency job
via Cutshort Lightning by Ariba Khan
Bengaluru (Bangalore)
3 - 5 yrs
Upto ₹28L / yr (Varies
)
skill iconPython
skill iconNodeJS (Node.js)
skill iconGo Programming (Golang)
skill iconJava
RESTful APIs
+2 more

About the client

The client is building a suite of SaaS products for websites—products with clear product-market fit, strong customer pull, and the potential to become $100M+ businesses.

As they grow, they need engineers who go beyond feature delivery. They are looking for backend developers who want to build enduring systems, make practical decisions, and help us ship great products with high velocity.


What You’ll Do

  • Work with product, design, and support teams to turn real customer problems into thoughtful, scalable solutions.
  • Design and build robust backend systems, services, and APIs that prioritize long-term maintainability and performance.
  • Use AI-assisted tooling (where appropriate) to explore solution trees, accelerate development, and reduce toil.
  • Improve velocity across the team by building reusable tools, abstractions, and internal workflows—not just shipping isolated features.
  • Dig into problems deeply—whether it's debugging a performance issue, streamlining a process, or questioning a product assumption.
  • Document your decisions clearly and communicate trade-offs with both technical and non-technical stakeholders.


What Makes You a Strong Fit

  • You’ve built and maintained real-world software systems, ideally at meaningful scale or complexity.
  • You think in systems and second-order effects—not just in ticket-by-ticket outputs.
  • You prefer well-reasoned defaults over overengineering.
  • You take ownership—not just of code, but of the outcomes it enables.
  • You work cleanly, write clear code, and make life easier for those who come after you.
  • You’re curious about the why, not just the what—and you’re comfortable contributing to product discussions


Bonus if You Have Experience With

  • Building tools or workflows that accelerate other developers.
  • Working with AI coding tools and integrating them meaningfully into your workflow.
  • Building for SaaS products, especially those with large user bases or self-serve motions.
  • Working in small, fast-moving product teams with a high bar for ownership.


How’s the team?

  • Open and flat hierarchy
  • High-agency work with a get-stuff-done attitude
  • Teams that focus on creating wins - for the org, the team and yourself - all fuelled by mentorship and empowerment


Our Culture

Some values we’ve lived by over these last 14 years:


We think like inventors.

>Invent the answer you wish existed. If it already exists, ask how it could exist better.<

We build for the love of it. And we build the best.

We don’t just copy and paste. We start from first principles—frame the problem, question the default, ship, improve, repeat—until it’s world-class.

Every version and experiment is a chance to push past our comfort zone and hone our craft. It isn’t easy—it takes patience and persistence—but it ends in work we’re proud of.


Ownership builds a rocket ship.

>It’s not the hours you put in your work that count; it’s the work you put in the hours.<

We’re here to build the business. When we see a problem, we own it end‑to‑end. We pull in the right people, ask for help early, track just enough to finish, and close the loop. We focus on what moves the needle, cut low‑impact work, and push hard when it counts—then recover.

That focus builds subject mastery. It helps get in the flow. It fuels passion and can spark healthy friction—and that’s all part of the game. We make a fuss when it matters, and once a call is made, we commit to it fully—whether we all agree or disagree.


Step up to stand tall.

>Greatness is a moving target.<

Chase excellence in your craft and take on bigger problems. Grow into a full-stack problem-solver and leader—whatever your domain. Improve with intent, work with people who push you, and never get too comfortable. That’s how we level up.


Benefits

  • Relocation benefits - we’ll book your domestic travel if you are not in Bangalore and help you with 2 weeks of accommodation
  • Homemade lunch at the office and a pantry with snacks, fresh coffee & tea
  • All the IT essentials and tools you’ll need to be successful in your role, everyone at the office gets an external monitor, ergonomic seating and a mechanical keyboard
  • Frequent outings, company-sponsored outdoor events, celebrations for milestones, trips for the entire team and sponsorships to participate at international company events at exotic destinations
  • Profit-sharing bonuses based on company growth, tenure and performance
  • Paid time off - maternity, paternity, and marriage leave
  • Insurance for the whole family
Read more
Cloud Sara Technologies
Jayasri Kolla
Posted by Jayasri Kolla
Chennai
1 - 5 yrs
₹3L - ₹3.5L / yr
skill iconJavascript
skill iconNodeJS (Node.js)
Express js
JWT (JSON Web Token)
OAuth
+2 more

Role : Node Developer

Experience: 1 to 5 Years

Location: Chennai - Taramani

Type: Contract

Duration : 6+ Months

CTC- 2-3.5 LPA

Immediate joiners only



Skills: Node + SQL


Job Summary

We Are Looking For A Talented Node.Js Developer With At Least 2 Years Of Hands-On Experience In Designing And Developing Scalable Backend Applications. The Ideal Candidate Should Have Experience Building Restful Apis, Working With Databases, Integrating Third-Party Services, And Collaborating With Frontend Developers To Deliver High-Quality Applications.

 

Key Responsibilities

Design, Develop, Test, And Maintain Server-Side Applications Using Node.Js.

Develop Restful Apis And Microservices.

Integrate Third-Party Apis And External Services.

Write Clean, Reusable, And Maintainable Code.

Optimize Applications For Performance And Scalability.

Collaborate With Frontend Developers, Qa Engineers, And Business Stakeholders.

Troubleshoot, Debug, And Resolve Production Issues.

Participate In Code Reviews And Follow Coding Standards.

Work In Agile&;Scrum Development Environments.

Prepare Technical Documentation Where Required.

 

Required Skills

Strong Knowledge Of Javascript (Es6+) And Asynchronous Programming.

Hands-On Experience With Node.Js.

Experience With Express.Js Or Nestjs.

Good Understanding Of Rest Apis.

Experience With Authentication Mechanisms Such As Jwt And Oauth.

Knowledge Of Mongodb, Postgresql, Or Mysql.

Experience With Git And Version Control.

Understanding Of Api Security And Best Practices.

Familiarity With Docker Is An Added Advantage.

 

Preferred Skills (Optional)

Experience With Aws, Azure, Or Google Cloud.

Knowledge Of Redis Or Caching Mechanisms.

Exposure To Ci Cd Pipelines.

Understanding Of Microservices Architecture.

Basic Knowledge Of Frontend Technologies Like Angular Or React.

Read more
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Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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