Senior Backend Engineer (Remote Opportunity)

Job Title : Senior Consultant (Java / NodeJS + Temporal)

Experience : 5 to 12 Years

Location : Bengaluru, Chennai, Hyderabad, Pune, Mumbai, Gurugram, Coimbatore

Work Mode : Remote (Must be open to travel for occasional team meetups)

Notice Period : Immediate Joiners or Serving Notice

Interview Process :

• R1 : Tech Interview (60 mins)
• R2 : Technical Interview
• R3 : (Optional) Interview with Client

Job Summary :

We are seeking a Senior Backend Consultant with strong hands-on expertise in Temporal (BPM/Workflow Engine) and either Node.js or Java.

The ideal candidate will have experience in designing and developing microservices and process-driven applications, as well as orchestrating complex workflows using Temporal.io.

You will work on high-scale systems, collaborating closely with cross-functional teams.

Mandatory Skills :

Temporal.io, Node.js (or Java), React.js, Keycloak IAM, PostgreSQL, Terraform, Kubernetes, Azure, Jest, OpenAPI

Key Responsibilities :

• Design and implement scalable backend services using Node.js or Java.
• Build and manage complex workflow orchestrations using Temporal.io.
• Integrate with IAM solutions like Keycloak for role-based access control.
• Work with React (v17+), TypeScript, and component-driven frontend design.
• Use PostgreSQL for structured data persistence and optimized queries.
• Manage infrastructure using Terraform and orchestrate via Kubernetes.
• Leverage Azure Services like Blob Storage, API Gateway, and AKS.
• Write and maintain API documentation using Swagger/Postman/Insomnia.
• Conduct unit and integration testing using Jest.
• Participate in code reviews and contribute to architectural decisions.

Must-Have Skills :

• Temporal.io – BPMN modeling, external task workers, Operate, Tasklist
• Node.js + TypeScript (preferred) or strong Java experience
• React.js (v17+) and component-driven UI development
• Keycloak IAM, PostgreSQL, and modern API design
• Infrastructure automation with Terraform, Kubernetes
• Experience in using GitFlow, OpenAPI, Jest for testing

Nice-to-Have Skills :

• Blockchain integration experience for secure KYC/identity flows
• Custom Camunda Connectors or exporter plugin development
• CI/CD experience using Azure DevOps or GitHub Actions
• Identity-based task completion authorization enforcement

Profile - SQL Database

Experience - 5 Years

Location - Bangalore (5 days working)

Mandatory skills - SQL, Stored Procedures, MySQL

Notice Period - Immediate Joiners

Job Description -

• Strong experience in SQL
• Experience in Databases - MySQL & PostgresSQL.
• Experience in writing & adjusting Stored Procedures, T-SQL.
• Experience in Query optimization Index creation, SQL Joins, Sub-Queries.

Job description

• Database Design & Development:
• Design, implement, and maintain PostgreSQL databases.
• Develop efficient schemas, indexes, and stored procedures to optimize data performance.
• Backend Development:
• Develop RESTful APIs and backend services using Node.js.
• Integrate databases with backend applications for seamless data flow.
• Query Optimization & Performance Tuning:
• Optimize SQL queries for performance and scalability.
• Monitor database health and troubleshoot slow queries or deadlocks.
• Security & Compliance:
• Implement database security best practices, including role-based access control (RBAC) and encryption.
• Ensure compliance with industry standards like GDPR, HIPAA, etc.
• Data Migration & Backup:
• Develop and maintain data migration scripts between different PostgreSQL versions or other databases like mongodb.
• Set up and manage database backup and recovery strategies.
• Write efficient SQL queries and manage database schemas using PostgreSQL.
• Build RESTful APIs and integrate third-party APIs/services.
• Optimize application performance and troubleshoot production issues.
• Ensure data security and protection practices are followed.
• Write clean, maintainable code and participate in code reviews.

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:

1. At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
2. Excellent hands-on experience using MySQL or any other SQL Database.
3. Good knowledge of MongoDB or any other NoSQL Database.
4. Good knowledge of Redis, its data types, and their use cases.
5. Experience with graph-based databases like GraphQL and Neo4j.
6. Experience developing and deploying REST APIs.
7. Good knowledge of Unit Testing and available Test Frameworks.
8. Good understanding of advanced JS libraries and frameworks.
9. Experience with Web sockets, Service Workers, and Web Push Notifications.
10. Familiar with NodeJS profiling tools.
11. Proficient understanding of code versioning tools such as Git.
12. Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
13. Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
14. Experience building a large scale social or location-based app.

Required Technologies:

o Excellent understanding of Ruby, Ruby on Rails, CSS3

o Able to communicate well with others on technologies bases

o Working knowledge with Rspec is good to have.

o Have previous experience building features in production applications.

o Good Knowledge of SQL

Good To Have

o Basics of GIT and GIT LAB

o PostgreSQL

Able to understand frontend JS frameworks

At Upswing, we are a passionate and self-driven team of thinkers who aspire to build the rails to connect the legacy financial sector with financial innovators through a simple and powerful banking-as-a-service (BaaS) platform. We’re building our platform putting the focus on pragmatism, reliability, and maintainability. We believe that keeping the engineering complexity under control is key to preserving the development productivity and long-term evolution of a platform.

To bring this vision to life, we are building the infrastructure using Microservices architecture using the latest set of technologies that are also fun to work with such as Java, Scala, Postgres, Akka, Kafka with a completely automated DevOps pipeline from the get-go using tools like Chef, Jenkins, Grafana, Graylog.

We are looking for motivated engineers who will be working in a highly creative and cutting-edge technology environment to build a world-class financial services suite.

Why you should join us:

• You will redefine the financial services landscape for India in the coming years.
• Be part of a core Engineering team that will create innovative and scalable Fintech solutions.
• Work with passionate and experienced engineering, product & business workforce that believes in teamwork, and that helps fast-track learning on solving complex technical challenges.
• We are funded by the leading fintech VC `QED Investors` and other established Founders and Executives of awesome Indian companies.

What you will do if you join us:

• Propose solutions to solve complex system architecture challenges and actively lead the end-to-end development of the system.
• Create robust, flexible, consistent, and easy-to-use APIs
• Continuously strive for performance improvements, code reusability, and readability
• Understand the product in detail and predict potential issues in feature development.
• Mentor and lead junior members of the team

You should have:

• Ability to think of out of the box
• Tech or a higher degree in computer science or a related field.
• 3+ years of experience working on the back-end development for complex distributed systems who are willing to adopt any Programming language as per the requirement.
• Familiarity with any of the following – Java, C++, Scala, Kotlin, and frameworks like Spring, Play, Hibernate, Django, etc.
• Good understanding of Algorithms, Data Structure, OOP, Design patterns, Parallel programming, Multithreading concepts & Event-Driven Systems.
• Understanding of micro-services architecture and best practices.
• Experience with Relational databases such as MySQL, PostgreSQL, Oracle, or any NoSQL database.

It is a plus if you have:

• Familiarity with cloud platforms like AWS (Amazon Web Services), Azure or Google Cloud

 JD / Skills Sets

1. Good knowledge on Python

2. Good knowledge on My-Sql, mongodb 

3. Design Pattern

4. OOPs

5. Automation

6. Web scraping

7. Redis queue

8. Basic idea of Finance Domain will be beneficial.

9. Git10. AWS (EC2, RDS, S3)

About Us

We help our customers to Go Digital at 3x Less Cost and 3x Less Time!

appZUI nGage, our App-as-Service platform, accelerates the digital idea to profit journey. Serving more than 250K consumers in US, UK, Switzerland, Australia, India and other geographies with several exciting digital transformations.

Know more:https://bit.ly/az-godigital">http://bit.ly/az-godigital

Role & Responsibilities

We are looking for a Senior developer/Architect to be part of our growing team. In this role you will be handling

• Design and architecture of various core platform components
• Develop and deliver various products for our customers
• Mentor and develop various team members

Skills & Capabilities

• System design for function, scale, security and maintenance
• Data engineering concepts and practice
• Test driven development
• Server-side skills: Nodejs/.Net/Java, Devops, SQL, microservices
• DevOps & SRE skills: Jenkins, Prometheus, Grafana
• System modelling and visualization skills
• Written & oral communication skills
• Front-end skills: (nice to have) Ionic, Angular/React, Javascript, HTML, CSS

What you can expect from us

• Product engineering culture: hypothesis-develop-test-evolve
• Failures are part of learning and growing
• Organization structure and processes to maximize creativity and openness
• Success is about 5 WINS: Customer, Employee, Supplier, Society and Investor