
Job Title: Sr. Node.js Developer
Location: Ahmedabad, Gujarat
Job Type: Full Time
Department: MEAN Stack
About Simform:
Simform is a premier digital engineering company specializing in Cloud, Data, AI/ML, and Experience Engineering to create seamless digital experiences and scalable products. Simform is a strong partner for Microsoft, AWS, Google Cloud, and Databricks. With a presence in 5+ countries, Simform primarily serves North America, the UK, and the Northern European market.
Simform takes pride in being one of the most reputed employers in the region, having created a thriving work culture with a high work-life balance that gives a sense of freedom and opportunity to grow.
Role Overview:
We are looking for a Sr. Node Developer who not only possesses extensive backend expertise but also demonstrates proficiency in system design, cloud services, microservices architecture, and containerization. (Additionally, a good understanding of frontend tech stack to give support to frontend developers is highly valued) We're currently seeking a seasoned Senior Node.js Engineer who not only possesses extensive backend expertise but also demonstrates proficiency in system design, cloud services, microservices architecture, and containerization. (Additionally, a good understanding of frontend tech stack to give support to frontend developers is highly valued)
Key Responsibilities:
- Develop reusable, testable, maintainable, and scalable code with a focus on unit testing.
- Implement robust security measures and data protection mechanisms across projects.
- Champion the implementation of design patterns such as Test-Driven Development (TDD) and Behavior-Driven Development (BDD).
- Actively participate in architecture design sessions and sprint planning meetings, contributing valuable insights.
- Lead code reviews, providing insightful comments and guidance to team members.
- Mentor team members, assisting in debugging complex issues and providing optimal solutions.
Required Skills & Qualifications:
- Excellent written and verbal communication skills.
- Experience: 4+yrs
- Advanced knowledge of JavaScript and TypeScript, including core concepts and best practices.
- Extensive experience in developing highly scalable services and APIs using various protocols.
- Proficiency in data modeling and optimizing database performance in both SQL and NoSQL databases.
- Hands-on experience with PostgreSQL and MongoDB, leveraging technologies like TypeORM, Sequelize, or Knex.
- Proficient in working with frameworks like NestJS, LoopBack, Express, and other TypeScript-based frameworks.
- Strong familiarity with unit testing libraries such as Jest, Mocha, and Chai.
- Expertise in code versioning using Git or Bitbucket.
- Practical experience with Docker for building and deploying microservices.
- Strong command of Linux, including familiarity with server configurations.
- Familiarity with queuing protocols and asynchronous messaging systems.
Preferred Qualification:
- Experience with frontend JavaScript concepts and frameworks such as ReactJS.
- Proficiency in designing and implementing cloud architectures, particularly on AWS services.
- Knowledge of GraphQL and its associated libraries like Apollo and Prisma.
- Hands-on experience with deployment pipelines and CI/CD processes.
- Experience with document, key/value, or other non-relational database systems like Elasticsearch, Redis, and DynamoDB.
- Ability to build AI-centric applications and work with machine learning models, Langchain, vector databases, embeddings, etc.
Why Join Us:
- Young Team, Thriving Culture
- Flat-hierarchical, friendly, engineering-oriented, and growth-focused culture.
- Well-balanced learning and growth opportunities
- Free health insurance.
- Office facilities with a game zone, in-office kitchen with affordable lunch service, and free snacks.
- Sponsorship for certifications/events and library service.
- Flexible work timing, leaves for life events, WFH, and hybrid options

About Simform
About
Simform is a premier digital engineering company specializing in Cloud, Data, AI/ML, and Experience Engineering to create seamless digital experiences and scalable products.
Simform, with its deep engineering DNA and unique co-engineering delivery model, is renowned for building future-proof digital products for high-growth ISVs and tech-enabled enterprises.
Our deep-rooted heritage in UX-led experience engineering, coupled with our unparalleled expertise in Cloud, Data, and AI, enables us to build class-leading digital solutions for forward-thinking enterprises.
We have a solid and proven track record of delivering pioneering digital products and solutions in the high-tech, fintech, healthcare & life sciences, supply chain & logistics, retail & ecommerce, and professional services industries.
With a gamut of capabilities under our portfolio, we offer a complete range of digital engineering services, such as:
• Product and Platforms Engineering
• Cloud and DevOps Engineering
• Data Engineering
• AI/ML Engineering
• Digital and Experience Engineering
At Simform, we see software technology programs as dynamic and evolving journeys. Our commitment is to drive early success for our customers. Connect with our team of consultants to outline your initial milestones and develop a compelling Proof-of-Value.
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We are seeking enthusiastic and motivated fresh graduates with a strong foundation in programming, primarily in Python, and basic knowledge of Java, C#, or JavaScript. This role offers hands-on experience in developing applications, writing clean code, and collaborating on real-world projects under expert guidance.
Key Responsibilities
• Develop and maintain applications using Python as the primary language.
• Assist in coding, debugging, and testing software modules in Java, C#, or JavaScript as needed.
• Collaborate with senior developers to learn best practices and contribute to project deliverables.
• Write clean, efficient, and well-documented code.
• Participate in code reviews and follow standard development processes.
• Continuously learn and adapt to new technologies and frameworks.
Core Expectations
• Eagerness to Learn: Open to acquiring new programming skills and frameworks.
• Adaptability: Ability to work across multiple languages and environments.
• Problem-Solving: Strong analytical skills to troubleshoot and debug issues.
• Team Collaboration: Work effectively with peers and seniors.
• Professionalism: Good communication skills and a positive attitude.
Qualifications
• Bachelor’s degree in Computer Science, IT, or related field.
• Strong understanding of Python (OOP, data structures, basic frameworks like Flask/Django).
• Basic knowledge of Java, C#, or JavaScript.
• Familiarity with version control systems (Git).
• Understanding of databases (SQL/NoSQL) is a plus.
NOTE: Laptop with high speed internet is mandatory
JOB DETAILS:
* Job Title: Lead I - Software Engineering-Kotlin, Java, Spring Boot, Aws
* Industry: Global digital transformation solutions provide
* Salary: Best in Industry
* Experience: 5 -7 years
* Location: Trivandrum, Thiruvananthapuram
Role Proficiency:
Act creatively to develop applications and select appropriate technical options optimizing application development maintenance and performance by employing design patterns and reusing proven solutions account for others' developmental activities
Skill Examples:
- Explain and communicate the design / development to the customer
- Perform and evaluate test results against product specifications
- Break down complex problems into logical components
- Develop user interfaces business software components
- Use data models
- Estimate time and effort required for developing / debugging features / components
- Perform and evaluate test in the customer or target environment
- Make quick decisions on technical/project related challenges
- Manage a Team mentor and handle people related issues in team
- Maintain high motivation levels and positive dynamics in the team.
- Interface with other teams’ designers and other parallel practices
- Set goals for self and team. Provide feedback to team members
- Create and articulate impactful technical presentations
- Follow high level of business etiquette in emails and other business communication
- Drive conference calls with customers addressing customer questions
- Proactively ask for and offer help
- Ability to work under pressure determine dependencies risks facilitate planning; handling multiple tasks.
- Build confidence with customers by meeting the deliverables on time with quality.
- Estimate time and effort resources required for developing / debugging features / components
- Make on appropriate utilization of Software / Hardware’s.
- Strong analytical and problem-solving abilities
Knowledge Examples:
- Appropriate software programs / modules
- Functional and technical designing
- Programming languages – proficient in multiple skill clusters
- DBMS
- Operating Systems and software platforms
- Software Development Life Cycle
- Agile – Scrum or Kanban Methods
- Integrated development environment (IDE)
- Rapid application development (RAD)
- Modelling technology and languages
- Interface definition languages (IDL)
- Knowledge of customer domain and deep understanding of sub domain where problem is solved
Additional Comments:
We are seeking an experienced Senior Backend Engineer with strong expertise in Kotlin and Java to join our dynamic engineering team.
The ideal candidate will have a deep understanding of backend frameworks, cloud technologies, and scalable microservices architectures, with a passion for clean code, resilience, and system observability.
You will play a critical role in designing, developing, and maintaining core backend services that power our high-availability e-commerce and promotion platforms.
Key Responsibilities
Design, develop, and maintain backend services using Kotlin (JVM, Coroutines, Serialization) and Java.
Build robust microservices with Spring Boot and related Spring ecosystem components (Spring Cloud, Spring Security, Spring Kafka, Spring Data).
Implement efficient serialization/deserialization using Jackson and Kotlin Serialization. Develop, maintain, and execute automated tests using JUnit 5, Mockk, and ArchUnit to ensure code quality.
Work with Kafka Streams (Avro), Oracle SQL (JDBC, JPA), DynamoDB, and Redis for data storage and caching needs. Deploy and manage services in AWS environment leveraging DynamoDB, Lambdas, and IAM.
Implement CI/CD pipelines with GitLab CI to automate build, test, and deployment processes.
Containerize applications using Docker and integrate monitoring using Datadog for tracing, metrics, and dashboards.
Define and maintain infrastructure as code using Terraform for services including GitLab, Datadog, Kafka, and Optimizely.
Develop and maintain RESTful APIs with OpenAPI (Swagger) and JSON API standards.
Apply resilience patterns using Resilience4j to build fault-tolerant systems.
Adhere to architectural and design principles such as Domain-Driven Design (DDD), Object-Oriented Programming (OOP), and Contract Testing (Pact).
Collaborate with cross-functional teams in an Agile Scrum environment to deliver high-quality features.
Utilize feature flagging tools like Optimizely to enable controlled rollouts.
Mandatory Skills & Technologies Languages:
Kotlin (JVM, Coroutines, Serialization),
Java Frameworks: Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data)
Serialization: Jackson, Kotlin Serialization
Testing: JUnit 5, Mockk, ArchUnit
Data: Kafka (Avro) Streams Oracle SQL (JDBC, JPA) DynamoDB (NoSQL) Redis (Caching)
Cloud: AWS (DynamoDB, Lambda, IAM)
CI/CD: GitLab CI Containers: Docker
Monitoring & Observability: Datadog (Tracing, Metrics, Dashboards, Monitors)
Infrastructure as Code: Terraform (GitLab, Datadog, Kafka, Optimizely)
API: OpenAPI (Swagger), REST API, JSON API
Resilience: Resilience4j
Architecture & Practices: Domain-Driven Design (DDD) Object-Oriented Programming (OOP) Contract Testing (Pact) Feature Flags (Optimizely)
Platforms: E-Commerce Platform (CommerceTools), Promotion Engine (Talon.One)
Methodologies: Scrum, Agile
Skills: Kotlin, Java, Spring Boot, Aws
Must-Haves
Kotlin (JVM, Coroutines, Serialization), Java, Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data), AWS (DynamoDB, Lambda, IAM), Microservices Architecture
******
Notice period - 0 to 15 days only
Job stability is mandatory
Location: Trivandrum
Virtual Weekend Interview on 7th Feb 2026 - Saturday
-
3+ years of Experience in software Design and development and familiar with technologies - Java, Java-J2EE, Spring Boot, Hibernate, Ajax, REST API, Micro services etc.
-
Working knowledge of JVM internals
-
Working knowledge of any database (MySQL or HSQLDB)
-
Working knowledge of No-SQL database (Mongo or Dynamo DB)
-
Working experience with messaging (JMS/RabbitMQ)
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R & D on new advanced cloud-based technologies in a test-driven agile development.
-
Knowledge in designing and architecting systems with high scalability and performance requirements.
-
Ability to understand infrastructure for performance evaluation and reporting of cloud-based services, namely AWS
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knowledge of key AWS services like EC2, S3, Lambda, CloudWatch etc.
-
Certification on AWS Fundamendals
-
Excellent communication skills
-
ability to effectively articulate technical challenges and solutions
-
skilled in interfacing with internal and external technical resources
-
Good in debugging problems and mentoring teams on technical front
● Take responsibility for developing product features
● Engage with Product Management and Business to drive the agenda, set your
priorities and deliver awesome product features to keep the platform ahead
of market scenarios.
● Design and develop using Node.js/Feather.js, React, AWS ML stack
● Develop and utilize your skills as a mentor and leader. Grow your team’s capacity by mentoring other engineers and interviewing candidates.
Must-haves
-
Strong proficiency in NodeJS and JavaScript.
-
Strong proficiency in top NodeJS frameworks like Express.JS (Simply Express), Feathers.JS, StrongLoop, Koa.JS, or Hapi.
-
Good knowledge of SQL/NoSQL databases. Ability to develop services with polyglot persistence.
-
Basic working knowledge of front-end technologies like HTML5 and CSS3.
-
A strong presence of mind, excellent language, and communication skills.
Senior Node JS developer
Job Description
- Working experience in Nodejs, MySQL, Postgres SQL
- Good knowledge of designing and writing restful API
- Working experience of GIT
- Will prefer candidates who have knowledge of GraphQL, Typescript
- Well-versed and experienced with unit testing, code coverage.
- Well versed with SOILD design principles and their application
- Knowledge of AuthO, typeORM required
- Good to have – some experience with Azure DevOps and/or azure functions.
-Working experience on Docker- good to have
- Building scalable and large scale web applications, and creating flexible solutions and integrations with other applications
- Independently drawing up milestones and ensuring completion as per the timelines
- Solving complex technical problems
- Researching, Learning and Implementing new functionalities and modules in other technologies (C++, Python, Javascript) and integrating them into the product in very quick cycles.
- Keeping abreast of new developments in the technology as well as understanding the feature differences.
- Comfortable working in an intensive start-up culture with tight delivery cycles
Desired Candidate Profile
What you need to have:- At least 1+ year experience in working with Ruby on Rails and minimum 4 years of experience with software development (Backend + Frontend)
- Extensive knowledge in testing frameworks like Rspec/ Cucumber/ Capybara
- Exposure to AngularJS a plus
- Worked with Frontend HTML5/ CSS development and integrating with mySQL/ PostGres Database
- Must have experience in creating flexible solutions and integrations with other applications
- A strong knowledge of web coding standards, licensing and best practices
- Must have experience in building scalable and large scale web applications
- Ability to manage the Servers and Databases
Infrastructure
Pocket Gems wants to build the greatest games and interactive entertainment in the world.
That’s the mission our founders began within an apartment above a pizza shop back in 2009
and we continue it today.
Pocket Gems has grown to over 250 people in San Francisco. With $155 million in backing from
Sequoia Capital and Tencent, we’re constantly breaking new ground with graphically rich mobile
games, fun new genres of mobile entertainment, and innovative technologies like our mobilefirst Mantis Engine.
Our products have been downloaded over 325 million times by players around the world. We
have several flagship products including the most recent - Adventure Chef Merge Explorer, a
casual merge and explore game. Some of our other ongoing hits include Episode, a mobile
storytelling network and platform, and War Dragons, a visually stunning 3D real-time strategy
game.
Pocket Gems is home to some of the most massive and delightful mobile-first games, like War
Dragons and Episode. Those games need a solid backend platform, to function critical tasks to
delight our players, and is supported and optimized by our Central Engineering team. As a Sr.
Software Engineer on the Central Infrastructure Team, you will build microservices that acts as
the core of all our games, facilitate the processing and recording of billions of events per day,
support critical systems for marketing, finance. You will be responsible for some of our biggest
projects as you build APIs and infrastructure that scales to millions of players in real-time
games.
What You’ll Do:
• Implement flexible, reusable, and scalable solutions to improve our data pipeline
• Develop microservices for critical infrastructure like A/B tests, Offer recommendation, etc
that is mission-critical to the business
• Develop microservices for our games such as real-time communication platforms,
leaderboard, etc
• Build and maintain integrations with third-party APIs that you suggest or write yourself
• Build scalable web tools (including open source tools) to support data analysis and
visualization for the company and influence what we build for our games’ players
What You Bring to the Central Infrastructure Engineering team:
• Minimum of 7 years of professional experience (including 3+ years backend experience)
• A degree in computer science, engineering, or relevant field
• Experience leading complex projects, preferably involving distributed systems
• Deep experience with AWS, GCP, or Hadoop, and related backend technologies is a
plus
• Strong skills in data structures, algorithms, software design, and OOP
• A love for delighting users, both internal and external, with reliable tools, data, and
creative and highly technical solutions to their problems
Extra Gems for:
• Experience in working with microservices
Responsibilities:
As a backend developer you would be responsible for:
- Executing full lifecycle software development
- Architect and conceptualise the solution from initiation to completion meeting client requirements
- Work with customer and their integration partners to ensure the product is well integrated
- Programming well-designed, testable and efficient code
- Develop flowcharts, layouts and documentation to identify requirements and solutions
- Work with cross-functional teams (Product, Engineering and ML team) to craft custom solutions
- Ensure clients change requests are addressed effectively in a timely manner
Requirements:
- 2+ years of experience in architecture and developing high performance web applications
- In-depth understanding of the entire web development process (design, development, and deployment)
- Strong NoSQL and/or SQL database design and query writing skills with a commitment to performance and efficiency
- Knowledge of RESTful API and SOAP Webservices paradigms
- Experience with CRM/ERPs like systems SAP, Oracle, SalesForce, Servicenow, Workday, etc. would be a huge plus
- Ability to operate in a highly ambiguous and fast-paced environment
- Superior verbal and written communication skills
Our Technology Stacks:
- Demonstrated experience in our tech stack will be a big plus as it lets you get up and running with our product that much sooner
- Node.js back-end with typescript
- MongoDB as database
- React to power our user interfaces (don't worry, we don't expect it for back-end)
- NGINX as our web server
- RabbitMQ
- Redis
- Elasticsearch
- Docker










