Backend Developer (Rust,

• Good design skills and exposure to multiple software architectures.
• Strong understanding of OO/ knowledge of frameworks such as Spring/ Spring Boot/ design and good software development practices.
• Strong core server-side technologies experience (Java). 
• Knowledge of Android is a huge plus.
• Strong database skills including schema design.
• Strong knowhow of data-structures and algorithms.
• Experience with configuration management, testing, deployment.
• Hands on development across technologies.

Job Summary:

We are looking for a highly skilled and experienced C++ Developer with a strong background in embedded systems to join our dynamic product engineering team. The ideal candidate will have at least 5 years of recent hands-on experience in designing, developing, and optimizing high-performance embedded software applications using modern C++ standards (preferably C++11 or later). This is an exciting opportunity to work on cutting-edge technologies in a collaborative and innovative environment.

Key Responsibilities:

• Design, develop, and maintain robust and scalable software solutions using C++11 or above
• Work closely with hardware and embedded teams to implement and integrate real-time systems
• Develop software for embedded platforms and optimize performance for various target environments
• Implement and maintain multithreaded applications and handle concurrency issues efficiently
• Conduct unit and integration testing to ensure high-quality deliverables
• Collaborate with cross-functional teams including Product, QA, Hardware, and Design
• Troubleshoot, debug, and resolve complex technical issues in embedded environments
• Participate in code reviews and adhere to best practices in coding and documentation
• Stay updated on the latest advancements in C++ and embedded systems development

Required Skills & Qualifications:

• Bachelor's or Master’s degree in Computer Science, Electronics, or related field
• 5+ years of professional software development experience with strong recent exposure to C++
• Hands-on experience with C++11 or newer versions (C++14/17 preferred)
• Strong understanding of object-oriented programming (OOP) and software design patterns
• Proficient in embedded system programming and real-time operating systems (RTOS)
• Experience in multithreaded programming and inter-process communication
• Proficient in debugging tools, performance analysis, and memory management
• Familiarity with version control systems like Git

Preferred Skills:

• Experience working on low-level drivers, hardware integration, and peripherals
• Familiarity with scripting languages (Python, Bash) for automation
• Exposure to CI/CD pipelines and Agile/Scrum development methodologies
• Knowledge of tools such as GDB, Valgrind, JTAG debuggers, etc.
• AWS or cloud-based experience is a plus (for remote monitoring/logging or OTA updates)

Pattern Agentix is seeking a skilled engineer to design and develop a comprehensive knowledge graph that spans multiple biological domains—including molecular biology, biochemistry, biophysics, immunology, virology, pharmacology, and computational biology. The goal is to integrate heterogeneous datasets (ontologies, public databases, scientific literature) into a scalable, semantically rich graph that supports hypothesis generation and interdisciplinary research.

Responsibilities:

• Architecture & Design:

- Develop a scalable knowledge graph architecture using graph databases

- Design data models to capture entities (e.g., genes, proteins, chemical compounds, immune markers) and their relationships.

• Data Integration & Curation:

- Integrate data from domain-specific ontologies (e.g., Gene Ontology, ChEBI) and public repositories (e.g., UniProt, PDB).

- Build API connectors and automation pipelines for data ingestion.

- Leverage NLP tools to extract relationships from scientific literature with validation by domain experts.

• Collaboration & Documentation:

- Work closely with interdisciplinary teams and domain experts to ensure semantic accuracy.

- Document data models, integration methods, and curation guidelines.

Requirements:

• Proven experience in knowledge graph development and graph databases

• Strong programming skills (Python, Java, or similar) and experience with API development.

• Familiarity with semantic web technologies (RDF, ) and ontology management tools  

• Solid background in bioinformatics, computational biology, or related disciplines.

• Demonstrated ability to work with heterogeneous data sources and interdisciplinary projects.

Contract

We are seeking part time or full time on contract and will compensate to local norms. 

Qualifications:

- Bachelor's degree in Computer Science Engineering, or a related field (or equivalent experience).

- At least 7 years of experience in back-end development, specifically with Node.js.

- Strong understanding of JavaScript and TypeScript would be a plus.

- Experience with asynchronous programming and event-driven architecture.

- Familiarity with RESTful APIs and/or GraphQL.

- Proficient in working with databases (e.g., PostgreSQL).

- Knowledge of version control systems, particularly Git.

- Experience with cloud services (e.g., Azure Cloud) and containerization tools (e.g., Docker).

- Strong problem-solving skills and the ability to work independently as well as part of a team.

- Excellent communication and collaboration skills.

JOB POSITION- FULL TIME BACKEND ENGINEER (TRADING SYSTEMS)

Satsio is an African startup that is building a crypto exchange for both spot trading and perpetual futures trading. We have many exciting and innovative features and products in the pipeline. We are looking to add to our engineering team and we are recruiting for a full time backend engineer (trading systems).

How to apply:

After reading the job description, please complete the job application via the following link: https://forms.gle/wEdVVktX3iVLCqj59

Location

This is a fully remote position. We are accepting applications from worldwide candidates.

Remuneration

Salary range in USDT shown at the top of the advert, depending on skills, experience, and location, and subject to good performance, vesting shares of 1% of the business.

Requirements

·      Proficiency in Python and expertise in working with websockets

·      Proven experience in designing and implementing complex REST APIs

·      Project experience with Flask and Django

·      Proficient with Linux and experienced working with cloud servers

·      Excellent communication skills

·      Intellectually motivated and a quick learner

·      Fluent in both spoken and written English

Preferences

·      Proficient in C++ or another low latency language

·      Experience building matching engines and trading systems

·      Experience working in the crypto exchange industry

·      Experience with blockchain nodes, creating blockchain wallet systems, cryptocurrency deposit and withdrawal systems and optimising network fees

·      Familiar with the agile development process, Github flow, and modern software engineering practices

·      Align working hours with the standard 9am-6pm UTC+1 schedule

Key Responsibilities

·      Review and understand existing backend code base and make improvements where necessary

·      Matching engine and improving its speed

·      The system that updates user balances following user transactions and performs the necessary checks prior to permitting transactions

·      Cloud server configurations and deployment and cost optimisation of resources

·      Creating APIs with supporting documentation for users who trade algorithmically directly via APIs and not via the frontend

·      Work on our p2p trading product and KYC process

·      Building the perpetual futures trading product and integrating data from 3rd party APIs

·      Performing unit tests, integrated tests, performance tests and end to end tests

·      Working on various other backend tasks that the startup requires to be done

Startup culture

Our culture is one of constant innovation. Great teamwork, creativity, a passion for innovation, constantly trying to improve, being hard working, a self starter, a quick learner, taking initiative, a can do attitude, shipping product, loyalty, and having a positive mindset are all traits which we are seeking in our future colleague. We seek to create an environment whereby colleagues can see their long-term career to be with us and to flourish with us as we grow.

Envoy combines technology and global immigration services to offer the only immigration management platform that makes it seamless for companies to hire and manage an international workforce. We empower companies to acquire the best talent regardless of where they are in the world; helps mobilize employees around the world to take advantage of business opportunities; and enables the management of entire global workforces, providing a strategic, proactive view into workforce and financial forecasting and compliance. We are a fast-growing, award-winning technology company, a leader in our space, and are backed by some of the country’s leading venture capital and growth equity firms.

Our Engineering Team

We have a passionate product engineering team that works on complex technical challenges, employs creativity, and constantly learns a variety of frameworks, tools, and technologies. While we are dedicated to delivering excellent product, we also believe having fun along the way motivates us to pour our heart into what we do. Our team has mastered development and delivery process, allowing the team to focus on designing, architecting, and crafting masterpieces.

We are growing rapidly and expanding our team in India, join our product engineering team to be part of this exciting journey.

“Any fool can write code that a computer can understand. Good programmers write code that humans can understand.” – Martin Fowler

Skills Required

• 5+ years of strong programming experience on .NET platform
• Expertise in C#, ASP.NET Web API / Typescript / Angular (or any front-end framework or passion to learn Angular)
• Hands on experience with SQL
• Azure experience is a plus but not a deal breaker
• Knowledge and experience with Html, CSS, JavaScript
• Experience designing high-level and low-level design of the system
• Experience with microservices architecture is a plus

Expectations

• Contribute to tech grooming backlog items providing design, architecture, and implementation details
• Quality is the key driver to successful delivery, ensure highly testable and quality deliverables
• Leverage troubleshooting and analytical skills to analyze issues
• Experience with debugging, performance profiling and optimization 

PHP / Laravel / CI developer duties and responsibilities

• Develop, record and maintain cutting edge web-based PHP applications on portal plus premium service platforms.
• Build innovative, state-of-the-art applications and collaborate with the frontend development team.
• Ensure HTML, CSS, and shared JavaScript is valid and consistent across applications.
• Prepare and maintain all applications utilizing standard development tools.
• Utilize backend data services and contribute to increase existing data services API.
• Lead the entire web application development life cycle right from concept stage to delivery and post launch support.
• Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues.
• Document the development process, architecture, and standard components.
• Coordinate with co-developers and keeps project manager well informed of the status of development effort and serves as liaison between development staff and project manager.
• Keep abreast of new trends and best practices in web development.
•  

PHP / Laravel / CI developer requirements and qualifications

• Previous working experience as a PHP(Laravel/CI) developer for minimum 3 years.
• Proficient with JavaScript, JQuery and AJAX.
• In depth knowledge of object-oriented PHP (>=Laravel 7 or >=CI 4.0) framework.
• Should know about source version control like GIT or SVN
• Familiar with AWS & Linux command line will be added advantage.
• Understanding and implementing security and data protection
• Must be a team player with good communications.
• Ability to solve problems quickly and efficiently.
• Great aptitude and attitude towards learning.
• Take full responsibility for task/project execution.
• Ability to prioritize own work and respect deadlines.

Basic Qualifications:

• 2+ years of non-internship professional software development experience
• Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
• 1+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems.

Additional Job requirements

• BS/MS/PhD in Computer Science/Math or equivalent
• BS in computer science or related field.
• 2+ years of relevant professional software development experience: designing, developing, and delivering software written in Java, C#, or C++, web development.
• Knowledgeable in object-oriented design patterns.
• Experience building highly scalable and distributed systems

Preferred Qualifications

• Experience with service-oriented architecture and application/services development
• Passion for performance debugging and benchmarking
• Ability to clearly and concisely communicate with technical and non-technical stakeholders across all levels of the organization

We are looking for a Node.js Developer who has experience building back-end services and managing data exchange between the server and user-facing applications. Responsibilities will include the development of back-end micro-services, maintaining the best possible performance for micro-service, quality and responsiveness of the application. You will work closely with the front-end developers in order to implement their components into the application.

• Writing reusable, testable, and efficient code
• Responsible for entire product lifecycle from concept to deployment
• Design and implementation of low-latency, high-availability, and performant applications
• Integration of user-facing elements developed by front-end developers with server-side logic
• Implementation of security and data protection
• Integration of data storage solutions

• 3+ years experience in building micro-services using Node.js
• Expert in SQL querying with Mysql/PostgreSQL and ORM (Object Relational Mapper) libraries like TypeORM.
• Able to integrate multiple data sources and databases into one system
• Good understanding of server-side templating languages
• Understanding of accessibility and security compliance
• Knowledge of user authentication and authorization between multiple systems, servers, and environments
• Understanding of fundamental design principles behind a scalable application
• Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform
• Able to create database schemas that represent and support business processes
• Strong unit test and debugging skills
• Proficient understanding of code versioning tools such as Git