At Arcana we are building a privacy centric decentralised data store that allows developers to build more secure and privacy preserving apps for their users.
We are looking to onboard an experienced Golang developer to work on the core protocol we are building. You must:
- Have 3+ years of development experience
- Have 3+ years of Golang development experience in production
- Have worked on distributed systems in production
- Have experience with Goroutine and channels
- Have experience with applied cryptography
- Write clean code and documentation
- Have clear bias for TDD
- Find Git very easy to use
- Have knowledge of Unix/Linux fundamentals - shell scripting, CLI tools etc.
- Have some knowledge of devops
- Have some blockchain experience

About Arcana previously Newfang
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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
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
● Care about things like fault tolerance, durability, backups and recovery,
performance, maintainability, code simplicity etc.
● Lead a team of software engineers and help create an environment of ownership
and learning.
● Introduce best practices of software development and ensure their adoption
across the team.
● Help set and maintain coding standards for the team.
Responsibilities :
- Lead the development of the backend systems for our client's first product.
- Build reliable, secure, and performant backend systems.
- Drive test coverage and continuous delivery automation within the team.
- Mentor and provide feedback to teammates.
- You should have a min of 8 years of software development experience and management.
- Can write code that is readable, maintainable, secure, and performant.
- Know the importance of tests and how to approach writing different types of tests, good intuition for REST API design
- Deep understanding of relational databases, transactions, entity-relationship modeling.
- Comfortable writing highly concurrent systems.
- Experienced in using profilers, tuning garbage collection, optimizing SQL queries.
Desired Skills :
- Golang, Java, Python, Ruby, Node.
Responsibilities:
- Design and create services and system architecture for your projects, while working.
- Closely with the product, design and engineering team.
- Participate in brainstorming sessions and contribute ideas to our technology, algorithms and products.
- Dive into difficult problems and successfully deliver results on schedule.
- Own services related to OkCredit features in active development.
- Develop and deploy required services responsible for evolution of the overall product.
- Do server side development in golang/python preferably (or any other language).
- Deploying stuff in production in docker containers.
- Write tests.
- Invent awesome stuff to make your job easier
- Motivation to design and build reliable, elegant backend services.
- At least 2 - 5 years of backend development experience.
- Proficiency in GoLang is MANDATORY.
- Familiarity with infrastructure concepts related to docker, kubernetes is preferred.
- Familiarity with Protocol buffers. Protocol buffers are now OkCredit's lingua franca for data.
- Familiarity with message-oriented middleware like rabbitmq, google pubsub.
- Familiarity with cloud platforms like gcp, aws etc.
lives of API developers and consumers easier. If you love thinking big and delving deep and
enjoy envisioning truly elegant solutions, this role is definitely for you.
What you will be Doing
- You will abstract away complex data interactions with easy-to-use APIs that will power several
mobile and web applications.
- You will also own, scale, and maintain the computational and storage infrastructure for the
various micro-services and long-running jobs, designed and implemented by you and the team.
- We will look to you to make key decisions on the technology stack, architecture, networking,
and security. We love working with bleeding-edge technology, especially if it improves the
malleability, and simplicity of our deliverables.
What you need
- The ideal Backend Engineers are polyglots who are fluent in HTTP and core CS concepts such
as algorithms, data structures, and programming paradigms, and always pick the right tools for
the right job.
- They have a keen eye for common security vulnerabilities and how to act on them (example:
DDOS attacks, SQL Injection etc.).
- They understand what it takes to work in a startup environment and know when to trade
performance for simplicity.
- They fail fast, learn faster, and execute in time.
- Strong communication skills, get-things-done attitude, and empathy
- Strong sense of ownership, drive and obsessive attention to detail.
- Comfortable with iterative development practices and code reviews
- Previous experience as part of a product-oriented team is a plus
Technical Skillsets:
NodeJS + Javascript, GoLang, Typescript + Nodejs, Clojure/Haskell/F#/Scala
(languages/environments)
Koa, Express, Play (frameworks)
Asynchronous Programming Frameworks (Akka, Nodejs, Tornado)
MongoDB, postgres, Bigtable, Dynamo (databases)
Apache Kafka, NATS, RabbitMQ, ZeroMQ (queues)
FunctionalProgramming, FRP (functional reactive)
microservices, multi-tenant, distributed-systems, distributed-computing, event-sourcing
Good to have Skillsets:
Clojure/Haskell/F#/Scala
Apache Kafka, NATS
FunctionalProgramming, FRP (functional reactive)
event-sourcing
Koa
Why you should consider this role seriously?
- We have an audacious vision of helping companies fight counterfeiting and managing their
supply chain more efficiently
- We have built a product and solved problems for some of the largest brands in the country and
tested platform at scale (With our tags present in over 50 Million products already). We have
plans to grow 10x in the next 1 year
- Ownership of key problems. Fast-paced environment
- We are a well-balanced team of experienced entrepreneurs and are backed by top investors
across India and the Silicon Valley (Venture Highway, Startup Buddy etc.)
- Competitive market salary
- Opportunity to work directly with the CEO, COO, CTO of the company
- A chance to interact with top-notch executives from multiple industries
- Open vacation policy (and we really mean it!)
- Open Pantry
- As a team, we love to travel :). An off-site every quarter
Role Description:
As a Lead Backend Engineer , you will be responsible for designing and deploying scalable, highly available, and fault-tolerant systems for Radiusagent. Experience as a Tech Lead, managing tasks with back-end engineers while coding themselves will be a bonus point for the ideal candidate.
Responsibilities will include-
- You will contribute to all aspects of an agile software development lifecycle including design, architecture, development, documentation, testing, and operations.
- You will build cutting-edge scalable systems by writing simple and efficient code.
- You will push your design and architecture limits for new product development.
- You will ensure compliance with the build/release and configuration management process.
Skills needed:
- be able to design and build modules from ground up
- proficient in any one programming language out of php/golang/node/python/javascript/java/ruby and ability to pick up others
- experience with mysql/postgres/mongodb/couchdb
- experience with redis/memcached
- experience with rabbitmq / kafka
- experience in having written cron jobs, troubleshooting downtime
- ability to work with ambiguous requirements
- good understanding of OS concepts
Nice to haves:
- experience with managing VMs' on aws/gcp/digitalocean
- experience with docker/kubernetes
- experience elasticsearch or lucene
Job Description:
- Programming and optimizing rust / wasm based smart contracts
- Design, research and develop blockchain-based solutions
- Developing decentralized high-performance systems
- Building reliable and fast data storages
- Working with virtual machines used by modern blockchains: WebAssembly, EVM, COSMWASM
- Implementing consensus algorithms and other protocols
- Security audits of third-party and internal solutions
- Establishing policies and procedures that produce secure, high-quality software
- Write and review technical proposals
- Improve engineering standards, tooling, and processes
- Coding with concurrency, efficiency and scalability as primary motive
- Document systems, build runbooks, and automate those processes
- Being hands on by writing, testing, and deploying high-performance networking code
- Rigor on clean code, unit testing, code coverage and best practices
- Developing infrastructure software
- Supporting and Leading the team of junior developers.
Required qualifications:
3+ years experience in developing smart contracts, 2.5+ years of experience in Rust, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.
Tech Stack:
Rust, cargo, git, linux, bash, ability to work with Docker.
Nice to have:
cryptography and system software development experience,understanding of design patterns, understanding of operating systems and networks, ability to design algorithms and mathematical models.
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.
We are building consumer internet space, payment processing, e-commerce and/or enterprise. SAAS products. Undergraduate (or higher) degree in computer science/engineering. You have an excellent grasp over theoretical and applied computer science.
Job Description
Responsibilities You can take responsibility of large sized projects. You can take full responsibility of one or more core modules and/or technical verticals / libraries / frameworks / components. This will include design and architecture, evaluating and deciding which framework/language/data store/tools to us, preparing roadmaps and timely delivery. You understand the business impact of your decisions. You will review code and ensure that implementations are testable, performant, scalable, documented and secure. You will work closely with product, design, revenue, platform and growth teams. You can take responsibility of large sized projects involving inter-departmental stakeholders. You can take full responsibility of one or more core modules and/or technical verticals / libraries / frameworks / components. Payment processing framework capable of supporting multiple payment methods (cards, netbanking, UPI, wallets, etc.) with one or more payment method supported across multiple payment gateways. This will include design and architecture, evaluating and deciding which framework/language/data store/tools to us, preparing roadmaps and timely delivery. You will drive engineering best practices, recruit other engineers, lead and manage teams, conduct performance reviews and mentor other engineers. You will review code and ensure that implementations are testable, performant, scalable, documented and secure. You will work closely with product, design, revenue, platform and growth teams.
Requirements 3-5 Years of Experience in software engineering.
5-10 years of industry experience in software engineering building consumer internet space, payment processing, e-commerce and/or enterprise SAAS products. Bachelor's Degree in Computer Science or related field, or 3+ years relevant work experience. Undergraduate (or higher) degree in computer science/engineering. You have an excellent grasp over theoretical and applied computer science. You have excellent problem solving and analytical skills. You should be able to identify systemic issues, performance bottlenecks and design/architect improvements. Experience with working on PCI compliant infrastructure. You should be able to build at this engineering level Store builder (products with multi-level variants (colour, size, etc.), SKUs, discounts) and shopping cart. Highly concurrent double entry accounting system. You have excellent problem solving and analytical skills. You should be able to identify systemic issues, performance bottlenecks and design/architect improvements. Good hold on data structures and algorithms. Strong object-oriented design skills, and an uncanny ability to design intuitive modules and class-level interface.
Desired Skills and Experience Python, Golang, Java, Ruby on Rails, Django








