Fullstack Developer

• Should have hands-on experience in Web Development
• Good understanding of PHP and Object-oriented programming paradigms.
• Able to understand the project requirements and handle projects independently.
• Strong learning capability.
• Having a good knowledge of jQuery.
• Framework experience would be beneficial.
• Should be comfortable working with the team.
• Should be comfortable with working on any MVC-based framework.
• Work experience in the Codeigniter framework is a must.
• 2 Projects are required in the PHP language.

About the Role

At Ceryneian, we’re building a next-generation, research-driven algorithmic trading platform aimed at democratizing access to hedge fund-grade financial analytics. Headquartered in California, Ceryneian is a fintech innovation company dedicated to empowering traders with sophisticated yet accessible tools for quantitative research, strategy development, and execution.

Our flagship platform is currently under development. As a Backend Engineer, you will play a foundational role in designing and building the core trading engine and research infrastructure from the ground up. Your work will focus on developing performance-critical components that power backtesting, real-time strategy execution, and seamless integration with brokers and data providers. You’ll be responsible for bridging core engine logic with Python-based strategy interfaces, supporting a modular system architecture for isolated and scalable strategy execution, and building robust abstractions for data handling and API interactions. This role is central to delivering the reliability, flexibility, and performance that our users will rely on in fast-moving financial markets.

We are a remote-first team and are open to hiring exceptional candidates globally.

Core Tasks

·      Build and maintain the trading engine core for execution, backtesting, and event logging.

·      Develop isolated strategy execution runners to support multi-user, multi-strategy environments.

·      Implement abstraction layers for brokers and market data feeds to offer a unified API experience.

·      Bridge the core engine language with Python strategies using gRPC, ZeroMQ, or similar interop technologies.

·      Implement logic to parse and execute JSON-based strategy DSL from the strategy builder.

·      Design compute-optimized components for multi-asset workflows and scalable backtesting.

·      Capture real-time state, performance metrics, and slippage for both live and simulated runs.

·      Collaborate with infrastructure engineers to support high-availability deployments.

Top Technical Competencies

·      Proficiency in distributed systems, concurrency, and system design.

·      Strong backend/server-side development skills using C++, Rust, C#, Erlang, or Python.

·      Deep understanding of data structures and algorithms with a focus on low-latency performance.

·      Experience with event-driven and messaging-based architectures (e.g., ZeroMQ, Redis Streams).

·      Familiarity with Linux-based environments and system-level performance tuning.

Bonus Competencies

·      Understanding of financial markets, asset classes, and algorithmic trading strategies.

·      3–5 years of prior Backend experience.

·      Hands-on experience with backtesting frameworks or financial market simulators.

·      Experience with sandboxed execution environments or paper trading platforms.

·      Advanced knowledge of multithreading, memory optimization, or compiler construction.

·      Educational background from Tier-I or Tier-II institutions with strong computer science fundamentals, a passion for scalable system design, and a drive to build cutting-edge fintech infrastructure.

What We Offer

·      Opportunity to shape the backend architecture of a next-gen fintech startup.

·      A collaborative, technically driven culture.

·      Competitive compensation with performance-based bonuses.

·      Flexible working hours and a remote-friendly environment for candidates across the globe.

·      Exposure to financial modeling, trading infrastructure, and real-time applications.

·      Collaboration with a world-class team from Pomona, UCLA, Harvey Mudd, and Claremont McKenna.

Ideal Candidate

You’re a backend-first thinker who’s obsessed with reliability, latency, and architectural flexibility. You enjoy building scalable systems that transform complex strategy logic into high-performance, real-time trading actions. You think in microseconds, architect for fault tolerance, and build APIs designed for developer extensibility.

About TechWeirdo:

Techweirdo delivers secure enterprise solutions from SaaS to On-Premise, anywhere, from Application to AI. We offer consultation, services and products to holistically address the digital transformation goals of the enterprises.

We are currently hiring a passionate, product-oriented MERN stack engineer to join a collaborative and innovative team to create technologically challenging, visually delightful, and easy-to-use digital products in a fast-paced environment.

Key Responsibilities:

• Design, build, optimize different modules of scalable applications on MERN stack

• Work closely with architects, business analysts, product managers, QA and UI designers to understand the deliverable and business priorities, UX flow and deliver QA approved, unit-testable solutions

• Collaborate with other members of technical team, delegate tasks, participate in code reviews and find out scope of further optimization

• Appear in project interviews, product roadmap discussions, feasibility analysis and sprint retrospective meetings to help in smooth project delivery as per customer expectation and technological excellence.

Skills/ Role Requirements:

• Strong knowledge of Node.js, Express, Microservices, npm packages

• Reactjs (exposure to Typescript is preferred)

• MongoDB, MySQL or any other Sql database

• Ability to write high quality REST APIs in Nodejs and Express

• Ability to create highly scalable and modular components

• Strong knowledge of using ORMs (Sequelize, mongoose)

• Hands-on experience on deploy, monitor, optimize, load-balance large scale nodejs applications on production

• Experience in serverless architecture either lambda or google cloud functions are a plus

• Hands-on experience on Docker, message queue, Redis, AWS managed services are a plus

• Server-side rendering (Nextjs), knowledge of Unix, shell script, deployment, and code sanitization/optimization (Intermediate)

• Have experience in working on large scale enterprise applications

• Strong understanding of coding best practices, error handling, lazy loading, etc.

• Experience in object-oriented design skills.

• An analytical mind and Problem-solving skills

• Open source contribution, active participation in developer communities, publishing own npm packages are plus

Working with TechWeirdo be like:

1. Surrounded by curious learners: With a Growth Mindset as our core strength, we created a learning environment with curious tech learners.

2. New challenges every day: There is no ordinary day at TechWeirdo, if you like solving problems, then this is the right place for you.

3. Zero micro-management, limited supervision: We encourage our team to take on challenging tasks and solve complex problems by taking ownership of their tasks. We trust our team to take calculated risks.

4. Great networking: You will be connected with c-suite executives of top organizations while working with our winning team.

5. Building technology how you want, when you want: We welcome people who see things differently as they are the one who has ability to change the world.

6. Being heard in every meeting: At TechWeirdo, suggestions are encouraged, initiatives are supported, and opinions and perspectives are valued.

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: 

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

We are looking for a motivated full-stack engineer who is proficient in both front-end and back-end technologies. Responsibilities include designing, building, and maintaining web applications, databases, and APIs that enable businesses to operate efficiently.

Responsibilities

• Develop, test, and deploy fast and scalable web apps.
• Designing and maintenance of fully functional large relational and non-relational databases.
• Timely deployment of web apps on the cloud.
• Server management and cloud-based infrastructure.
• Establishment and integration of development tools as required.
• Conducting code reviews of peer developers.

Requirements

• 2 years in MEAN Stack Development.
• Expertise in technologies - MongoDB, ExpressJS, and NodeJS.
• High-quality programming skills for a robust design.
• Experience in application architecture, server management, cross-browser compatibility, responsive design, and website performance.
• Understanding of DB architecture design and programming templates, Agile methodologies, and client-side and server-side procedures.
• BE/ B. Tech/ MCA.

• 2+ years of Hands-on experience in Python, Django, Flask, Bottle, Design Patterns, Web Services (SOAP/HTTP, REST APIs)
• 2+ years of hands-on experience with Postgress, MongoDB.
• Experience with cache-store / message broker like Redis / RabbitMQ / Kafka
• Experience with AWS
• Experience in front-end development using react.js is a plus.
• Proficient understanding of code versioning tools, such as Git / Mercurial /bitBucket.
• DevOps knowledge to deploy code in production and hands-on experience with docker / Kubernetes.
• Self-motivated and a good team player.
• Good communication and interpersonal skills.
• Bachelor’s Degree in Engineering from a reputed Institute

You will be responsible for architecting, training the team and implementing your solution. You will be working closely with the Product Managers and the tech leads/developers to come up with high-quality, resilient, and highly performant applications.

• Design and develop SaaS-based applications based on microservices architecture.
• Work on core back-end and ensure it meets the performance benchmarks.
• Work on optimizing the middleware and backend technologies to ensure highest scalability.
• Work on best system design principles and ensure high availability.
• Designing and developing APIs for the front end to consume.
• Constantly improve the architecture of the application by clearing the technical backlog.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.

• Education - BE/MCA or equivalent.
• Overall 8+ years of experience.
• Agnostic/Polyglot with multiple tech stacks.
• Worked on open source technologies - NodeJS, Typescript, ReactJS, MySQL, NoSQL, MongoDB, ELK, Kafka, Redis.
• Good experience with Front-end technologies like JavaScript frameworks, ReactJS, AngularJS.
• Back-end exposure - good knowledge of building API.
• Efficient in building microservices in combining server & front-end.
• Knowledge of cloud architecture especially using AWS and its features.
• Should be completely hands on and have the ability to develop quick Prototypes.
• Good understanding of CMS.
• Will be responsible for the functional/technical track of a project.

You will closely work with the engineering team and support the Product Team of Empuls.

A wholesome opportunity in a fast-paced environment will enable you to juggle between concepts yet maintain the quality of content, interact, share your ideas, and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.

A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore, and Dublin. We have three products in our portfolio: Plum, Empuls, and Compass. Xoxoday works with over 1000 global clients. We help our clients engage and motivate their employees, sales teams, channel partners, or consumers for better business results.

We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. However, we assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.

Job Description:

• Knowledge of front-end technologies like Vue JS/ Angular JS / ReactJS .
• Basic knowledge of GIT or  BitBucket  or TFS or Jenkins
• Experience in technologies like Devops, NodeJS, ExpressJS, .Net Core
• Understanding of Microservice architecture , Docker containers and  Database designs
• Knowledge of various AWS services such as CloudWatch, Lambda, EC2, ECS, S3, AWS Document DB/DynamoDb, Cloud formation
• Soft skills - Self driven and independent, Good team player, good interpersonal skills, Flexible and Proactive, Good communication with client.
• Building reusable components and front-end libraries for future use.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
• Ability to understand business requirements and translate them into technical requirements.
• Translating designs and wireframes into high quality code.
• Review the React code of team members, Help technically where-ever required as a one- team approach.

This is a technolog yagnostic position and you would be viewed as a technolog enthusiast who can work (not code) on architecture and designing of any application immaterial of the technology used.

Your experience as a programmer of a technical lead will benefit a lot. 

If you believe in “ First, solve the problem. Then, write the code. ”, we are looking for you. 

• Atleast 8 years of experience working either in Java/JEE, Python or Ruby on Rails.
• Ability to manage a team and handle clients.
• Very good at Analysis and Design.
• Passion to write good quality code.
• Able to work in a fast paced environment.
• Able to manage multiple tasks with changing priorities in a cross-functional environment
• Team player
• Ability to balance competing priorities.
• Excellent communication skills.

BoTree Technologies was incorporated in 2012 and since then we have constantly worked towards building a place to work which provides each member an opportunity to challenge herself and grow on a day to day basis.