

Job Title: Go Developer (Remote)
Job Description: Backend Engineer (GO Developer)
Remote Working | Engineering Team | Full-time
Are you passionate enough to be a crucial part of a highly analytical and scalable user engagement platform?
Are you ready learn new technologies and willing to step out of your comfort zone to explore and learn new skills?
If so, this is an opportunity for you to join a high-functioning team and make your mark on our organization!
The Impact you will create in the Job:
Build campaign generation services which can send app notifications at a speed of 10 million a minute.
Dashboards to show Real time key performance indicators to clients.
Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds.
Leverage the power of Kubernetes to maintain clusters running inside VPC's across the world.
Building highly available & horizontally scalable platform services for ever growing data.
Use cloud-based services like AWS Lambda for blazing fast throughput & auto scalability.
You will build backend services and APIs to create scalable engineering systems.
As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
Identify and improvise areas of improvement through data insights and research.
What we look for?
3-6 years experience in developing high scale internet applications/API based services.
Worked with GoLang as a primary language
Experience with High scale real time architectures
Experience with queueing systems like RabbitMQ, Kafka etc
Experience with Elasticsearch would be a plus
Having hands on experience with Kubernetes would be a plus.
Understanding of SMTP protocol would be a plus
Experience with MTA will be an added advantage.
Very strong analytic and problem-solving skills.
Enjoys working at solving challenges that come with developing real time high scale applications.

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Overview:
We as a global leader in software consultancy, is hiring a Senior Consultant skilled in backend technologies (Node.js / Java) with strong experience in Temporal.io (BPM/Workflow platform). This role offers an exciting opportunity to work remotely on cutting-edge, scalable enterprise solutions involving modern microservices, BPM workflows, and cloud-native technologies.
As part of our high-performance engineering team, you will contribute to designing, building, and maintaining distributed systems that drive critical client projects. The ideal candidate is hands-on with Temporal.io, backend development (Node.js or Java), and familiar with modern cloud, DevOps, and automation practices.
Key Roles and Responsibilities:
- Design, develop, and maintain backend services using Node.js (NestJS) or Java integrated with Temporal.io workflow engine.
- Model and implement business processes using BPMN workflows, including managing external task workers, Operate, and Tasklist in Temporal.
- Build and manage RESTful APIs and microservices that are scalable, secure, and maintainable.
- Collaborate closely with cross-functional teams including frontend engineers, DevOps, cloud architects, and QA.
- Implement secure authentication and authorization flows using Keycloak IAM.
- Develop and optimize database interactions with PostgreSQL in a process-driven architecture.
- Utilize Azure services such as Blob Storage, API Gateway, and AKS for cloud infrastructure.
- Automate cloud infrastructure provisioning using Terraform and manage containerized deployments with Kubernetes.
- Ensure high-quality deliverables by implementing unit and integration tests using Jest, and documenting APIs with Swagger/Postman/Insomnia.
- Participate in peer code reviews, technical discussions, and contribute to architectural decisions.
- Maintain and improve CI/CD pipelines (Azure DevOps/GitHub Actions desirable).
Technical Requirements:
Must-Have Skills:
- Temporal.io BPM Platform:
- BPMN modeling, external task workers, Operate, Tasklist (Hands-on experience mandatory)
- Backend Development:
- Node.js (with TypeScript, NestJS framework) OR Java (Strong proficiency)
- Frontend Exposure (Nice-to-Have):
- Modern React.js (v17+) with TypeScript (component-driven design)
- Cloud & Infrastructure:
- Experience with Azure Services: Blob Storage, API Gateway, AKS
- Infrastructure automation using Terraform
- Container orchestration via Kubernetes
- Database:
- Strong understanding of PostgreSQL and its role in process-driven applications
- Authentication & Authorization:
- Experience integrating Keycloak IAM for user role and token-based authorization
- Testing & API Management:
- Testing with Jest
- API documentation and testing using Swagger / Postman / Insomnia (OpenAPI)
- Version Control:
- Git and GitFlow branching strategy
Nice-to-Have / Bonus Skills:
- Blockchain integration for secure KYC/identity flows
- Building custom Camunda Connectors or writing exporter plugins
- Experience with Azure DevOps or GitHub Actions for CI/CD automation
- Authorization enforcement using identity-based access patterns
Additional Information:
- Work Mode: Remote (occasional office visits for team meetings)


Requirements
- 7+ years of experience with Python
- Strong expertise in Python frameworks (Django, Flask, or FastAPI)
- Experience with GCP, Terraform, and Kubernetes
- Deep understanding of REST API development and GraphQL
- Strong knowledge of SQL and NoSQL databases
- Experience with microservices architecture
- Proficiency with CI/CD tools (Jenkins, CircleCI, GitLab)
- Experience with container orchestration using Kubernetes
- Understanding of cloud architecture and serverless computing
- Experience with monitoring and logging solutions
- Strong background in writing unit and integration tests
- Familiarity with AI/ML concepts and integration points
Responsibilities
- Design and develop scalable backend services for our AI platform
- Architect and implement complex systems with high reliability
- Build and maintain APIs for internal and external consumption
- Work closely with AI engineers to integrate ML functionality
- Optimize application performance and resource utilization
- Make architectural decisions that balance immediate needs with long-term scalability
- Mentor junior engineers and promote best practices
- Contribute to the evolution of our technical standards and processes




● 3+ years of experience with React.js, React Native and Node.js
● Experience in building and deploying a mobile application using React Native.
● Strong proficiency in JavaScript/TypeScript, including DOM manipulation and the JavaScript
object model
● A sound understanding of Redux/Flux, Webpack, ES6, Jest.
● Must have hands on experience in Restful APIs
● Using logic and reasoning to identify the strengths and weaknesses of alternative solutions,
conclusions or approaches to problems
● Ability to ship features on a weekly basis: should be good at time management and
prioritization
● Hands-on experience in CI/CD principles and TDD
● Strong written and verbal English communication skills
Your responsibilities:
● Understand the business context and build high quality code using proven design and
architectural patterns
● Develop, test and deploy integrations required to meet business requirements
● Carry out unit tests and other quality control mechanisms to inform and validate the code and
design
● Utilizing and monitoring cloud infrastructure resources (such as AWS, Azure) efficiently
● Participate in a highly fluid environment applying agile software development principles
● Ensure the coding standards are on-par with the best in the industry

Job Description
Must have Skill Sets
- Go lang + Microservices
- Familiarity with MAC/Linux environment, Shell script
- GRPC ● JavaScript & JSON
- Knowledge of microservices and architecture
- Knowledge of Uber Tech Stack would be a bonus ○ Will ensure candidate who are selected will undergo training on Uber Stack as a part of their induction to Uber
- Basic SQL knowledge
Expectations from the candidate
- Strong hands-on experience in understanding requirements and creating microservices using Go lang..
- Exceptional debugging and problem-solving skills on large codebase
- Be a proactive thinker and demonstrate keen sense to find solutions to challenging problems
- Product sense: Create more than beautiful code. Play a crucial role in choosing what we build and how we build it.
- A penchant for collaboration & a team player: Work cross collaboratively to drive impact across orgs. Be open to candid feedback for improvement. When required step up to the role of a tech-lead to ensure effective coordination and communication
- Independent to explore all the end points in UBER environment and coordinate with different Line of Business to understand the correct microservice for a business use case.
- Ability to convert a high-level PRD into a detailed ERD for execution. Coordinate with business teams to understand the functional requirement and convert it into engineering logic
Primary Skills :
4+ Years with Java
2+ with Microservices
6 months to 1 Year with Golang
Exp : 4+ Years
Location : Bangalore/Hyderabad
Max Budget : 28 Lakhs
End Client : UBER




the core library/language constructs.
• Knowledge of processor, memory, network and storage internals. Familiarity with I/O optimized
algorithms.
• Deep understanding of distributed systems including fault modeling, concurrency, isolation,
consensus etc.
• Internals of a RDBMS like MySQL
• Conversant with the internals of systems like Kafka, Cassandra/Scylla, Redis, RocksDB etc
• Working knowledge of hosting and network infrastructure (K8s, Envoy, etc)
• Familiarity with binary serialization protocols like thrift/protobuf/flatbuffers etc
• Familiar with gRPC, HTTP/2, QUIC, etc.
• Troubleshooting memory issues, GC tuning, resource leaks etc.
• Strong problem-solving skills, algorithmic skills and data structures.
• Productionizing machine learning pipelines using Spark/Flink/TensorFlow etc
• Familiarity with big data concepts - HDFS, hive, presto, spark, oozie, ambari, airflow, atlas,
ranger, etc. Familiarity with formats like avro, parquet, orc, arrow etc
• Good understanding of branching, build, deployment, continuous integration methodologies
• Experience in leading a team and mentoring engineers
• Attitude to get Stuff Done!
• Ability to make decisions independently.
Desired Background:
• Bachelor’s or Master’s degree in Engineering from premier institutes preferred
• 8+ years of experience in software design, development & architecture



Senior Software Engineer (Python)
Job description
Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.
As a senior software engineer, you will work on our python based ORM and applications that scales to handle millions of transactions every hour. This is mission critical software and your primary focus will be building robust and scalable solutions that are easy to maintain.
In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product are important.
What You’ll Do:
- Own definition and implementation of API interfaces (REST and GraphQL). We take pride in our 100% open API with over 600 endpoints.
- Implement simple solutions to complex business logic that enables our merchants to manage financials, orders and shipments across millions of transactions.
- Build reusable components and packages for future use.
- Translate specs and user stories into reviewable, test covered patches.
- Peer review code and refactor existing code.
- Integrate with our eCommerce partners (Shopify, BigCommerce, Amazon), shipping partners (UPS, USPS, FedEx, DHL) and EDI.
- Manage Kubernetes and Docker based global deployment of our infrastructure.
Requirements
We’re Looking for Someone With:
- Experience working with ORMs like SQLAlchemy or Django
- Experience with SQL and databases (Postgres preferred)
- Experience in developing large server side applications and microservices
- Ability to create high quality code
- Experience with python testing tools (pytest) and test automation
- Familiarity with code versioning tools like GIT
- Strong sense of ownership and leadership quality
- Experienced in the tools of our web stack
- Python
- Celery
- Postgres
- Redis
- RabbitMQ
Nice to Haves:
- Prior experience at a growth stage Internet/Software company
- Experience with ReactJS, Google Cloud, Heroku
- Cloud deployment and scaling experience
About Us:
Fulfil.io helps high growth, high volume merchants simplify operations and scale for growth. With the rise in omni-channel commerce, Fulfil was founded with the simple idea that merchant operations need to be simplified in order to deliver amazing retail experiences. Fulfil enables businesses to turn their back office operations into an accelerator for growth by integrating order management, inventory management, warehouse management, vendor/supplier management, wholesale, manufacturing, financials and customer service, into one seamless solution. We believe merchants should love their operations platform, and we work hard to make that happen every single day. Fulfil.io is a trusted solution for brands like EndySleep, Mejuri, Lie-Nielson Toolworks, and many more.
Fulfil.io is a venture backed technology company with offices in San Francisco, Toronto, and Bangalore. The team is made up of people who want to feel challenged at work, be the best at their craft and learn from one another. We come from different backgrounds and experiences, all passionate about the work we do, the team we do it with, and the customers we do it for. Join us in our journey to simplify operations and empower merchants around the world!



- B Tech/BE or M.Tech/ME in Computer Science or equivalent from a reputed college.
- Experience level of 7+ years in building large scale applications.
- Strong problem solving skills, data structures and algorithms.
- Experience with distributed systems handling large amount of data.
- Excellent coding skills in Java / Python / Node / Go.
- Very good understanding of Web Technologies.
- Very good understanding of any RDBMS and/or messaging.





