Golang Developer at Rejolut · Navi Mumbai, Mumbai · 1 - 4 years · ₹4L - ₹15L / yr · Profitable · Posted 18 Jan 2022

Rejolut is among the fastest-growing and award winning Tech companies working on leading technologies namely Blockchain, Machine Learning & Artificial Intelligence, Complex mobile & Web Apps, IoT, etc.Rejolut is a venture-backed company with clients in over several countries namely Malaysia Airlines,gba global,my-earth,biomes, Dlg-hub,etc.
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
Responsibilities:-
-Work with the team to develop world-class tools through practical development and collaboration with the open source Go community
-Interact with internal and external developers and communities
-Work with the toolchain team and other engineering teams as well as the community on senior-level feature contributions to Golang, related compiler bug fixes, efficiency improvements, and optimisations, and some light packaging work where needed
-Accept, analyze, and respond to bug reports against tools packages in your area of responsibility
-Plan and track development and periodically report progress to team management.
- Own the product development from scratch.
- Architect scalable, distributed and large-scale web and mobile solutions from scratch.
- Code for fresh development and to troubleshoot and resolve issues.
- Writing reusable, testable, and efficient code.
- Creating database schemas that represent and support business processes.
- Design and implementation of low-latency, high-availability, and performant applications.
- Able to learn & implement new technology/framework/library at God Speed.
- Customer-focused, react well to changes, work with teams and be able to multitask.
- Experience and knowledge of open-source tools and frameworks, broader cutting edge technologies around server side development.
Desired Candidate Profile:-
- 1+ years of experience in open source compiler or tools development
- 1+ years of experience with the Go language, runtime and tools
- Experience with or exposure to the Linux kernel is helpful
- Bachelor's degree or higher in computer science, computer engineering, or a technology-related discipline
The following requirements are a plus:
-Experience with C/C++ toolchains and debuggers
-Advanced knowledge of Go language, compiler, library, runtime, and debug internals
-Practical experience developing Go tools for enterprise use
-Direct experience with Go tools community participation
-Knowledge of and experience with system tools internals (e.g. compilers, debug formats)
-Proficiency in multiple programming languages, both dynamic(Javascript, Python, Ruby, etc.) and strongly typed object-oriented language.
-Implementing automated testing platforms and unit tests.
-Must be a proven performer and team player that enjoys challenging assignments in a high energy, fast growing and start-up workplace.
-Good communication and interpersonal skills
Rejolut - As a Career Differentiator
- We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.
- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.
- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.
- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loylty Rewardz.
Benefits :
> Health Insurance
> Work from Home
> Fast growth and more visibility into the company
> Experience to work on the latest technology
> Competitive Learning Environment with supportive co-workers
> Employee friendly HR Policies
> Paid leaves up to certain limits
> Competitive salaries & Bonuses
> Liberal working atmosphere
> Get mentored by the best in the industry
Schedule:
Day Shift/Flexible working hours
Monday to Friday

About Rejolut
About
Rejolut is one of the award winning fastest growing emerging tech company which is working leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.
We are a team that loves creativity and technology. We create products we are proud of. We fuse innovation with art to achieve Different, Intutive & Quality products.
Our Dogma: We don't make shit.
How we are different
-We are young and dynamic team who are obsessed with solving business problem at scale.
-We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology itself.
Why to join us
- We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career.
- We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
- There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in companies like Samsung, Purplle, Loylty Rewardz.
- Get mentored by the best in the industry
- Flexible working hours
- Perks best in the industry
- Flat structure, no hierarchy
Culture
- Fast-paced, intellectually stimulating, steep learning, and growth
- Close-knit, hardworking, supportive colleagues
- Challenging work
- Flat organization with no hierarchy
- If you like problem solving, and love latest tehnical innovations, there are very few better places
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Core Responsibilities:
- Design, develop, and maintain backend services and APIs using Python or Golang.
- Write high-quality, testable, and maintainable code with a focus on performance and scalability.
- Implement automated tests and contribute to CI/CD pipelines.
- Collaborate with product, QA, and DevOps teams for end-to-end feature delivery.
- Troubleshoot production issues and provide timely resolutions.
- Participate in design and architecture discussions to improve system efficiency.
- Contribute to improving development processes, coding standards, and best practices.
Experience and Expertise:
- 2–4 years of experience in backend development with Python or Golang.
- Solid understanding of RESTful APIs, microservices, and distributed systems.
- Strong knowledge of data structures, algorithms, and OOPS principles.
- Hands-on experience with relational and/or NoSQL databases.
- Familiarity with Linux development, Docker, and basic cloud concepts (AWS/GCP/Azure).
- Proficiency with Git and version control workflows.
- Familiarity with AI-powered development tools or exposure to projects involving large language models (LLMs) is a plus.
Skills:
- Strong analytical and debugging skills with the ability to solve complex problems.
- Good communication and collaboration skills across teams.
- Ability to work independently with minimal supervision while being a strong team player.
- Growth mindset – eagerness to learn new technologies and improve continuously.
🚀Job Title : Senior Backend Engineer (Java / Golang) SDE 3
Experience : 5 to 12 Years
Positions : 4
Employment Type : C2H (Contract to Hire)
Contract Duration : 3 Months
Location : Remote during contract → Pune after conversion
Work Mode After Conversion : 5 Days WFO
Notice Period : Immediate / Serving Notice / Up to 15 Days preferred
Mandatory Skills : Golang (1+ year mandatory), 5+ years Backend Development, System Design, Distributed Systems, Microservices, REST / GraphQL APIs, Event-Driven Architecture, SQL & NoSQL Databases, AWS / GCP / Azure, Strong Problem-Solving & Communication Skills.
About the Role :
We are looking for an experienced Backend Engineer / SDE 3 with strong expertise in Java / Golang to design and build scalable, secure, and high-performance backend services and APIs.
The role involves hands-on coding, system design, microservices, distributed systems, and collaboration with engineering and infrastructure teams.
Must-Have Skills :
- 5+ years of backend development experience.
- Strong hands-on experience with Golang.
- Minimum 1+ year of Golang experience is mandatory.
- Strong understanding of System Design & Distributed Systems.
- Experience with REST / GraphQL APIs.
- Experience with Microservices and Event-Driven Architecture.
- Experience with Event Queues / Asynchronous Processing.
- Strong knowledge of Relational and NoSQL databases.
- Familiarity with AWS, GCP, or Azure.
- Strong communication and problem-solving skills.
Important Note for Java Candidates :
Java candidates can be considered only if they have at least 1+ year of hands-on Golang experience and are willing to work in Golang.
Candidates with less than 1 year of Golang experience will not be considered.
Good to Have :
- Experience in Fintech / Payments / Transaction-heavy systems
- Docker & Kubernetes
- Datadog / Prometheus / Grafana
- CI/CD experience
- Exposure to Java or Ruby
Key Responsibilities :
- Design, develop, and maintain scalable backend services using Golang.
- Build reliable, secure, and high-performance microservices and APIs.
- Implement event-driven and asynchronous processing systems.
- Work on system architecture, scalability, performance, and reliability.
- Participate in system design, code reviews, and technical discussions.
- Collaborate with mobile, web, and infrastructure teams.
- Develop unit, integration, and performance tests.
- Contribute to CI/CD, observability, documentation, and engineering best practices.
Interview Process :
Round 1 : Take-Home Coding Assessment – Submission within 48 hours
Round 2 : Code Pairing – Problem Extension
Round 3 : Culture Fitment
The requirements are as follows:
1) Familiar with the the Django REST API Framework.
2) Experience with the FAST API framework will be a plus
3) Strong grasp of basic python programming concepts ( We do ask a lot of questions on this on our interviews :) )
4) Experience with databases like MongoDB , Postgres , Elasticsearch , REDIS will be a plus
5) Experience with any ML library will be a plus.
6) Familiarity with using git , writing unit test cases for all code written and CI/CD concepts will be a plus as well.
7) Familiar with basic code patterns like MVC.
8) Grasp on basic data structures.
You can contact me on nine three one six one two zero one three two
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
Software Developer
Roles and Responsibilities
- Apply knowledge set to fetch data from multiple online sources, cleanse it and build APIs on top of it
- Develop a deep understanding of our vast data sources on the web and know exactly how, when, and which data to scrap, parse and store
- We're looking for people who will naturally take ownership of data products and who can bring a project all the way from a fast prototype to production.
Desired Candidate Profile
- At Least 1-2 years of experience
- Strong coding experience in Python (knowledge of Javascripts is a plus)
- Strong knowledge of scraping frameworks in Python (Request, Beautiful Soup)
- Experience with SQL and NoSQL databases
- Knowledge in Version Control tools like GIT.
- Good understanding and hands-on with scheduling and managing tasks with cron.
Nice to have:
- Experience of having worked with elastic search
- Experience with multi-processing, multi-threading, and AWS/Azure is a plus
- Experience with web crawling is a plus
- Deploy server/related components to staging, live environments.
- Experience with cloud environments like AWS,etc as well as cloud solutions like Docker,Lambda, etc
- Experience in DevOps and related practices to improve development lifecycle, continuous delivery with high quality is an advantage.
- Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement
- Leads more than one projects end-to-end and collaborates across functions. Drives planning, estimation and execution.
- Manages stakeholder expectations and offers scalable, reliable, performant and easy to maintain solutions
- Consistently delivers complex, well backed and bug-free products in time
- Consistently takes well thought technical/design decisions
- Develops expertise in more than one area and shares knowledge with others. able to mentor/train in areas which are new to them.
- Drives people to solve engineering challenges
- Enjoys high respect of Tech and other cross functional teams
- Demonstrates effective communication with project team, management and
internal/external clients as necessary.
- Surfaces both technical and non-technical team challenges and helps resolve them
- Champion for SDLC best practices and high quality standards
- Expert at in RoR, Golang, NodeJS or Python. Good to have exposure to ML.
- Must have experience in cloud computing
- Operates independently with almost no oversight
- Is able to apply domain expertise to think critically and make wise decisions for the
team, taking into account tradeoffs and constraints.
- Communicates tech decisions through design docs and tech talks
- Has delivered multiple projects with end-to-end engineering ownership
- Keeps track of new technology/tools and embraces them as necessary
- 7+ years of experience in product driven organization
- A Bachelors or Masters degree in engineering from a reputed institute (preferably
Job description
We are looking for a passionate Software Development Engineer to develop, test, maintain and document program code in accordance with user requirements and system technical specifications. As a Software Development Engineer, you will work with other Developers and Product Managers throughout the software development life cycle.
Software Development Engineer responsibilities include analysing requirements, define system functionality and writing code in the companys current technology stack. The candidate is expected to be familiar with the software development life cycle (SDLC) process from preliminary system analysis to tests and deployment. Ultimately, the role of the Software Engineer is to build high-quality, innovative and fully performing software that complies with coding standards and technical design. Your goal will be to build efficient programs and systems that serve user needs.
To be qualified for this role, you should hold a minimum of Bachelor’s degree in a relevant field, like Computer Science, IT or Software Engineering. You should be a team player with a keen eye for detailed and problem-solving skills. If you also have experience in SDLC, Agile frameworks and popular coding languages (e.g., Java), strong computer science fundamentals we’d like to meet you.
Years of experience : 2 to 10 years.
Roles & Responsibilities
The overview of this position (based in Chennai, India) includes:
- Develops, enhances, debugs, supports, maintains and tests software applications that support business units or supporting functions. These application program solutions may involve diverse development platforms, software, hardware, technologies and tools.
- Participates in the design, development and implementation of complex applications, often using new technologies.
- Technology professional with experience in designing and managing the implementation of future looking, flexible and reusable, enterprise applications and components.
- Expert in translating business requirements into an application design that includes Data Model, Web Screens, Web Services, and batch processing.
- May provide technical direction and system architecture for individual initiatives.
- Serves as a fully seasoned/proficient technical resource.
- Deploy programs, gather and evaluate user feedback
- Recommend and execute improvements
- Create technical documentation for reference and reporting
- Develop software verification plans and quality assurance procedures
- Document and maintain software functionality
- Ensure software is updated with latest features
- Good interpersonal and technology understanding skills
- Evaluate open-source components and integrate into product pipeline
Skills and Qualifications
- Hands-on experience in analysis, design, coding, and implementation of complex, custom-built applications.
- Strong Java, development skills (JAVA, J2EE, STRUTS, SPRING, Web Services, Eclipse, UI screens, AngularJS, React.JS)
- Excellent debugging skills
- Strong knowledge on databases (MySQL, MSSQL Server and NoSQL databases)
- Understanding of various deployment servers (Apache Tomcat is a must)
- Understanding of OO skills, including strong design patterns knowledge is a must.
- Strong understanding in creating and maintaining web services.
- Understanding of the software development life cycle
- Experience with Implementation and release management activities
- Good understanding of unit/system and functional testing methodology
- Experience working in large transaction-based systems
- Knowledge of software best practices, like Test-Driven Development (TDD) and Continuous Integration (CI)
- Experience documenting technical functions
- Desire to contribute to the wider technical community through collaboration, coaching, and mentoring of other technologists.
- Experience in Linux based systems, development of shell-based scripts.
Job Training
- Training on the coding paradigms, guidelines, frameworks, usage of the applications would be provided by the engineers
- Periodic training sessions would be conducted by the technical architects in terms of technology and skills to be learnt
- Periodic, structured training would be provided on the applications Hours & Environment
- Typical 40 hours of work a week
- Depending on the requirements, work hours may have to be extended during the day, weekend
Our client develops, publishes and distributes highly engaging games to a wide audience covering mobile, social and online platforms. Their group of architects are always attempting new and radical stuff that enhances the creative programming and gaming stages, keeping the players constantly glued and wanting for more.
Funded by SnapDeal founders, it is a cross platform gaming organisation focused on real money gaming and strategy games. The founder is an INSEAD and IIT-B alumni with more than 10 years of work experience across various countries.
- Handling the server side programming of the multiplayer gaming application
- Writing scalable, robust,, testable, efficient, and easily maintainable code
- Translating software requirements into stable, working, high performance software
- Translating design mockups and prototypes into working applications.
- Building customer facing technology products, Developing Highly Scalable Code and Working Closely with Engineering and Product Team.
- Building social, web and mobile based games for users across India
What you need to have:
- Candidates with experience in Go / Python / Erlang will be preferred
- Working experience in a Product StartUp (Internet / E-commerce) building scalable applications.
- Hands on experience in system architecture and gaming apps
- Good spoken and written communication skills.
- Good team player.
- Sharp analytical abilities with proven design skills
- Able to think critically of the current system in terms of software development
Responsibilities Include
You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work with front-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.
Requirements
- B.E/MS in Computer Science or equivalent.
- 10+ years or more of progressive software technology experience with at least 3 years in an architectural role.
- Completely hands on with technology and architecture. Start-up experience is a huge plus.
- Ability to quickly prototype and demonstrate technology value adds and educate + drive adoption within the extended technology team
- Excellent and robust understanding of scalable product system architecture(s), platforms and core technologies
- Demonstrated problem-solving and leadership skills to pursue correct engineering process in adverse conditions. Ability to embrace and demonstrate leadership beyond ownership
- Work with engineering leadership to setup and manage processes.
- Track record of thought leadership and out of the box thinking in the technology arena.
- Ability to work efficiently in an entrepreneurial and in a start-up environment
- A Java/Spring/Akka, Javascript or Golang rockstar.
- Deep and hands on knowledge of some of these technologies - MySQL, NodeJS, message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra, Arango, distributed caches such as Redis/memcached, container technology such as Docker and Kubernetes etc.
- Great proficiency in distributed systems design, with an ability to make the right trade-offs for creating future-proof solutions.
- Building quick PoCs and full-fledged solutions with various AWS managed services would be a big plus.
Need Backend developer who has done projects in Golang, C
- discussing clients’ requirements and proposed solutions with a senior developer (for developers at mid-skill level and below)
- writing and testing code
- collaborating with other developers
- using development tools (see below)
Development tools are used by software developers to write and test code, often as a team. Common development tools include:
- integrated development environments (eg Eclipse, IntelliJ): for writing and editing code
- source control management (eg Git, SVN, Mercurial): to enable teams to work together to manage changes to source code
- issue management systems (eg Jira): for managing a list of issues or improvements
- test driven development: for writing code to test your code


















