**Position:** Software Engineer, Financial Platform **Type:** Full-Time **Compensation:** $180K - $230K/yr **Location:** Remote **Role Responsibilities**

*   Write, ship, and maintain production code daily across fullstack applications using Node.js, React.js, Next.js, and PostgreSQL.
*   Build scalable backend services and RESTful APIs on AWS infrastructure.
*   Implement responsive, maintainable frontend interfaces while debugging React render issues and tuning Postgres queries.
*   Collaborate with cross-functional teams to turn product requirements into shipped features.
*   Uphold high standards for system reliability, security, and data integrity in financial systems.
*   Actively contribute to CI/CD pipelines, code reviews, and engineering best practices.

**Requirements:**

*   Have strong relevant experience in software development with at least of professional experience, including active hands-on coding in the last 12 months.
*   Possess strong, recent backend development experience with Node.js and be able to share what they have shipped in the last year.
*   Have recent, advanced frontend experience with React.js and Next.js, including hooks, state management, and modern Next.js features.
*   Have solid working knowledge of PostgreSQL, including schema design, query optimization, indexing, and data modeling.
*   Have hands-on experience with AWS services such as EC2, S3, Lambda, RDS, and CloudWatch.

**Application Process:**

*   Easy Apply on LinkedIn
*   Check email for next steps
*   Participate in resume evaluation & interview stage

Software Engineer (Node.js/React) | Remote

**Java Fullstack Developer | Sports Betting Quant Startup | London - Fully Remote_Please note: Please note: this role cannot provide sponsorship. Applicants must have existing right to work._**

We're partnering with an ambitious, well-funded sports betting and systematic trading startup that's building cutting-edge technology at the intersection of **sports analytics, quantitative research, and automated trading**.

As a **Java Fullstack Developer**, you'll work directly with quantitative researchers, mathematicians, and trading specialists to build the systems that power data-driven betting strategies. This is a genuine opportunity to join a high-calibre team and have a significant impact on a rapidly growing business.

**What You'll Be Doing**

*   Building and scaling Java-based trading and data platforms
*   Developing integrations with sports data providers and betting exchanges
*   Working closely with quant researchers to support systematic trading models
*   Designing high-performance solutions for real-time data processing
*   Contributing to greenfield projects and influencing technical direction

**What We're Looking For**

*   5+ years' commercial Java development experience. This role is likely suited to someone at a small or startup company who has had to do everything**.**
*   Degree in Computer Science, Engineering, or a related field is a MUST have
*   Experience working with REST and streaming APIs
*   Frontend exposure with React, Next.js and TypeScript
*   Strong understanding of databases, data structures and software architecture
*   AWS or other cloud platform experience
*   A self-starter who enjoys ownership, autonomy and solving complex problems

**Why Join?**

*   Work alongside exceptional engineers, researchers and analysts
*   Greenfield development with real technical challenges
*   Direct exposure to quantitative trading and sports analytics
*   Small, highly talented team where your work has visible impact
*   Excellent opportunity for career progression in a fast-growing business

If you're a strong Java fullstack engineer looking for a role that combines technology, data, and systematic trading, we'd love to hear from you.

**Apply now with your CV for immediate consideration.**

Java Fullstack Developer

*   **Role:** Angular Frontend Developer (Remote)
*   **Location:** Remote (Work from Anywhere)
*   **Job Type:** Contract
*   **Payout:** $30 - $90/hour

**Role Overview:**

We are hiring for one of our clients, seeking an Angular Developer to work on a contract basis. The role involves developing and maintaining user interfaces using Angular, ensuring high performance and responsiveness. You will collaborate with cross-functional teams to deliver scalable solutions.

**Key Responsibilities:**

• Develop and maintain responsive user interfaces using Angular framework.

• Collaborate with designers and backend developers to implement new features.

• Optimize applications for maximum speed and scalability.

• Write clean, maintainable, and reusable code.

• Participate in code reviews and ensure adherence to best practices.

**Required Skills & Qualifications:**

• Proficiency in Angular framework and TypeScript.

• Experience with HTML5, CSS3, and modern JavaScript.

• Familiarity with RESTful APIs and asynchronous programming.

• Knowledge of state management libraries like NgRx or NgXs.

• Experience with unit testing frameworks like Jasmine or Jest.

**More About the Opportunity:**

This role offers a unique opportunity to work with a global leader in the Software Development industry, contributing to the development of cutting-edge web applications. You will have the chance to solve complex problems and work alongside experienced engineers.

**Equal Opportunity Employer:**

We hire based on skills and expertise. All qualified candidates are welcome regardless of background, experience, or prior employment history. Applications are reviewed solely on demonstrated technical ability and qualifications.

**Apply Now!**

Angular Frontend Developer (Remote)

*   **Role:** Full Stack Engineer (Remote)
*   **Location:** Remote (Work from Anywhere)
*   **Job Type**: Contract
*   **Payout:** $30 - $80/hour

**Role Overview:**

We are hiring for one of our clients, seeking a Fullstack Engineer to work on a contract basis. The role involves building and maintaining scalable web applications using modern frameworks. You will collaborate with cross-functional teams to deliver high-quality software solutions.

**Key Responsibilities:**

• Develop and optimize full-stack applications using React, Node.js, and related technologies

• Design and implement RESTful APIs and microservices for backend systems

• Write clean, maintainable, and efficient code following best practices

• Troubleshoot and debug issues across the stack to ensure system reliability

• Participate in code reviews and architectural discussions to improve system design

**Required Skills & Qualifications:**

• Proficiency in JavaScript/TypeScript and modern frontend frameworks such as React

• Experience with Node.js and backend frameworks like Express or NestJS

• Familiarity with databases including PostgreSQL, MongoDB, or similar

• Knowledge of cloud platforms such as AWS, GCP, or Azure

• Experience with CI/CD pipelines and DevOps practices

• Strong problem-solving skills and attention to detail

• Ability to work independently in a remote environment

**More About the Opportunity:**

This role offers a unique opportunity to work with a global leader in the Software Development industry, contributing to the development of cutting-edge digital platforms. The project involves building scalable solutions for a high-traffic application.

**Equal Opportunity Employer:**

We hire based on skills and expertise. All qualified candidates are welcome regardless of background, experience, or prior employment history. Applications are reviewed solely on demonstrated technical ability and qualifications.

**Apply Now!**

Full Stack Engineer (Remote)

*   **Role**: Fullstack Developer (React/Node.js) (Remote)
*   **Location**: Remote (Work from Anywhere)
*   **JobType**: Full-Time
*   **Payout**: $230K - $280K/yr

**Role Overview:**

We are hiring for one of our clients, seeking a Fullstack Developer (React/Node.js) - US to work on a full-time basis. The role involves building and maintaining scalable web applications using modern JavaScript frameworks and backend services. You will collaborate with cross-functional teams to deliver high-quality software solutions.

**Key Responsibilities:**

• Develop and optimize full-stack applications using React.js for frontend and Node.js for backend services.

• Design and implement RESTful APIs and database schemas to support application functionality.

• Write clean, maintainable, and efficient code while adhering to best practices and coding standards.

• Debug, troubleshoot, and resolve technical issues across the stack to ensure system reliability.

• Participate in code reviews, architectural discussions, and sprint planning to drive continuous improvement.

**Required Skills & Qualifications:**

• Proficiency in React.js and Node.js with a strong understanding of their ecosystems.

• Experience with frontend technologies such as HTML5, CSS3, and modern JavaScript (ES6+).

• Familiarity with backend frameworks like Express.js and database systems such as PostgreSQL or MongoDB.

• Knowledge of version control systems, particularly Git, and CI/CD pipelines.

• Experience with testing frameworks (Jest, Mocha) and debugging tools.

**More About the Opportunity:**

This role offers a unique opportunity to work with a global leader in the Technology, Information and Internet industry, contributing to the development of mission-critical applications. The position provides exposure to cutting-edge technologies and collaborative problem-solving in a distributed team environment.

**Equal Opportunity Employer:**

We hire based on skills and expertise. All qualified candidates are welcome regardless of background, experience, or prior employment history. Applications are reviewed solely on demonstrated technical ability and qualifications.

**Apply Now!**

Fullstack Developer (React/Node.js) (Remote)

Improbable is a Venture Builder. We are working with leaders to create businesses in AI transformation, the metaverse and web3. We both create businesses from scratch and invest in existing businesses. Our central services teams work with ventures to help them achieve success; including early stage prototyping and initial product development where this role sits. At Improbable, you are surrounded by people who want to improve everything and everyone around them, and who compel you to improve yourself. We’re motivated by the fulfilment of solving hard problems to achieve something profound and transformative. **Your Mission** As a **Senior Full Stack Engineer** at Improbable, you will work with Ventures to help them get to market faster. You will work with their leadership team, to design, prototype and launch initial versions of their product. This is a hands-on, strategic role where you will collaborate with executives, working all the way from identifying customer problems. **About The Role** We're looking for a Full-Stack Engineer to build across the breadth of what Somnia ships, from consumer-facing products to developer technologies to internal platform and tooling. One month that's a polished end-user app, the next it's an SDK, a CLI, or the internal systems the rest of the team builds on. This is a role for someone who cares as much about the product as the code. You'll own the full lifecycle, from rapid prototyping to deployment. You use AI tools as a multiplier and like shipping end-to-end. **What You’ll Be Doing**

*   Design and build production-grade products end-to-end—back-end through UI—across consumer apps, developer-facing technologies and internal platform tooling.
*   Build the high-performance back-ends and services these products depend on.
*   Create developer technologies—SDKs, APIs, CLIs, libraries and starter kits—that make the platform easy to build on.
*   Build internal tooling and platform infrastructure that raises the velocity of the whole team.
*   Work self-directed: watch the ecosystem and the team's needs, spot gaps and propose and build what moves things forward.
*   Work with DevRel, Marketing and BD so what you build lands with users and developers and fits go-to-market.

**What We’re Looking For**

*   Strong TypeScript across the full stack—this is the core of the role and our app stack. Some Golang where it fits.
*   Build high-quality, production-ready frontends.
*   Strong back-end engineering—APIs, services and the data layer behind them.
*   Genuine interest in crypto and on-chain products.
*   Strong ownership and self-direction—you generate ideas, not just execute them.
*   Able to turn the dial: prototype fast and loose to prove a feature out, then shift into steady-state mode to harden what's worth keeping—tests, edge cases, reliability.

Improbable Candidate Privacy Policy

Senior Full Stack Engineer: Improbable

*   **Role**: Senior Full Stack Engineer (Remote)
*   **Location**: Remote (Work from Anywhere)
*   **JobType**: Contract
*   **Payout**: $30 - $80/hour

**Role Overview:**

We are hiring for one of our clients, seeking a Senior Fullstack Engineer to work on a contract basis. The role involves designing, developing, and maintaining full-stack applications using modern technologies. You will collaborate with cross-functional teams to deliver scalable solutions.

**Key Responsibilities:**

• Design and implement robust, scalable full-stack applications from frontend to backend.

• Develop and maintain RESTful APIs, microservices, and database architectures.

• Write clean, efficient, and well-documented code while adhering to best practices.

• Optimize application performance, ensuring fast load times and seamless user experiences.

• Participate in code reviews, debugging, and troubleshooting across the stack.

**Required Skills & Qualifications:**

• Proficiency in JavaScript, TypeScript, Node.js, and React or similar frontend frameworks.

• Experience with backend development using Python, Go, or Java.

• Strong understanding of databases such as PostgreSQL, MongoDB, or DynamoDB.

• Familiarity with cloud platforms like AWS, Azure, or GCP.

• Knowledge of DevOps practices, CI/CD pipelines, and containerization tools like Docker.

• Experience with testing frameworks such as Jest, Mocha, or Selenium.

• Ability to work independently with minimal supervision in a remote environment.

• Strong problem-solving skills and attention to detail.

**More About the Opportunity:**

This role offers a unique opportunity to work with a global leader in the Software Development | Technology, Information and Internet | IT Services and IT Consulting | Information Services industry, contributing to the development of high-impact digital solutions. The contract includes flexible hours and the ability to work from anywhere.

**Equal Opportunity Employer:**

We hire based on skills and expertise. All qualified candidates are welcome regardless of background, experience, or prior employment history. Applications are reviewed solely on demonstrated technical ability and qualifications.

**Apply Now!**

Senior Full Stack Engineer (Remote)

*   **Role:** Full Stack Engineer - Python & React (Remote)
*   **Location:** Remote (Work from Anywhere)
*   **Job Type:** Contract
*   **Payout**: $30 - $90/hour

**Role Overview:**

We are hiring for one of our clients, seeking a Fullstack Engineer (Python+React) to work on a contract basis. The role involves developing, maintaining, and scaling web applications using Python and React. You will collaborate with cross-functional teams to deliver high-quality software solutions.

**Key Responsibilities:**

• Design, build, and deploy full-stack web applications using Python and React.

• Write clean, efficient, and maintainable code following best practices.

• Collaborate with product managers and designers to define and implement new features.

• Troubleshoot, debug, and optimize existing applications for performance and scalability.

• Participate in code reviews and contribute to technical documentation.

**Required Skills & Qualifications:**

• Proficiency in Python and modern JavaScript/TypeScript.

• Experience with React.js and front-end development best practices.

• Knowledge of back-end frameworks such as Django or Flask.

• Familiarity with RESTful APIs, databases (SQL/NoSQL), and cloud services.

• Understanding of version control systems like Git and CI/CD pipelines.

**More About the Opportunity:**

This role offers a unique opportunity to work with a global leader in the Software Development industry, contributing to the development of scalable and robust web applications. You will have the chance to solve complex problems and work in a collaborative environment.

**Equal Opportunity Employer:**

We hire based on skills and expertise. All qualified candidates are welcome regardless of background, experience, or prior employment history. Applications are reviewed solely on demonstrated technical ability and qualifications.

**Apply Now!**

Full Stack Engineer - Python & React (Remote)

*   **Role**: Node.js Developer (Remote)
*   **Location**: Remote (Work from Anywhere)
*   **Job Type:** Contract
*   **Payout**: $30 - $90/hour

**Role Overview:**

We are hiring for one of our clients, seeking a Node.Js Developer to work on a contract basis. The role involves building and maintaining scalable server-side applications using Node.js, ensuring high performance and reliability. You will collaborate with cross-functional teams to deliver efficient backend solutions.

**Key Responsibilities:**

• Develop and optimize backend services using Node.js to support application functionality.

• Write clean, maintainable, and efficient code following best practices.

• Troubleshoot and debug issues to ensure system stability and performance.

• Integrate with databases and third-party APIs to enhance application capabilities.

• Participate in code reviews and contribute to architectural decisions.

**Required Skills & Qualifications:**

• Proficiency in Node.js and JavaScript with a minimum of 2 years of relevant experience.

• Experience with RESTful API development and integration.

• Familiarity with database systems such as MongoDB or PostgreSQL.

• Knowledge of version control systems, including Git.

• Strong problem-solving skills and ability to work independently.

**More About the Opportunity:**

This role offers a unique opportunity to work with a global leader in the Software Development industry, contributing to the enhancement of scalable and high-performance backend systems. The contract duration is flexible, with potential for long-term engagement based on project needs.

**Equal Opportunity Employer:**

We hire based on skills and expertise. All qualified candidates are welcome regardless of background, experience, or prior employment history. Applications are reviewed solely on demonstrated technical ability and qualifications.

**Apply Now!**

Node.js Developer (Remote)

*   **Role**: Full Stack Developer - JavaScript (Remote)
*   **Location**: Remote (Work from Anywhere)
*   **Job Type**: Contract
*   **Payout**: Competitive, based on experience

**Role Overview:**

We are hiring for one of our clients, seeking a Fullstack Developer to work on a contract basis. The role requires building and maintaining scalable web applications using modern technologies. You will collaborate with cross-functional teams to deliver high-quality software solutions.

**Key Responsibilities:**

• Design, develop, and deploy full-stack applications using JavaScript/TypeScript, React, and Node.js.

• Implement and optimize RESTful APIs and GraphQL endpoints for backend services.

• Write clean, maintainable, and efficient code adhering to best practices and coding standards.

• Conduct code reviews to ensure consistency, performance, and security across the codebase.

• Troubleshoot, debug, and resolve issues in existing applications and infrastructure.

**Required Skills & Qualifications:**

• Proficiency in JavaScript or TypeScript with experience in React for frontend development.

• Strong expertise in Node.js for backend development and API creation.

• Experience with database systems such as PostgreSQL, MongoDB, or similar.

• Familiarity with cloud platforms like AWS, Azure, or Google Cloud for deployment and scaling.

• Knowledge of DevOps practices including CI/CD pipelines and containerization with Docker.

**More About the Opportunity:**

This role offers a unique opportunity to work with a global leader in the Technology, Information and Internet industry, contributing to the development of cutting-edge digital solutions. The project involves building scalable applications that serve a diverse user base.

**Equal Opportunity Employer:**

We hire based on skills and expertise. All qualified candidates are welcome regardless of background, experience, or prior employment history. Applications are reviewed solely on demonstrated technical ability and qualifications.

**Apply Now!**

Full Stack Developer - JavaScript (Remote)

**About The Role** What if your deep expertise in TypeScript could directly influence how AI writes code for millions of developers around the world? We're looking for experienced Frontend TypeScript Engineers based in London and across the UK to review, evaluate, and guide AI-generated code — helping cutting-edge AI models understand what truly type-safe, scalable, and modern web development looks like. This is a fully remote, flexible contract role. You'll work alongside leading AI research teams, applying your real-world frontend knowledge to tasks that have a lasting impact on how AI understands and produces TypeScript code.

*   Organization: Alignerr
*   Type: Hourly Contract
*   Location: Remote
*   Commitment: 10–40 hours/week

**What You'll Do**

*   Review AI-generated TypeScript code for strict type safety, accurate interface design, and correct generic usage
*   Develop complex, type-safe frontend components that demonstrate best practices in modern web architecture
*   Provide detailed technical commentary on architectural decisions and type-driven development strategies
*   Identify and flag ambiguities or errors in AI responses related to complex type definitions and asynchronous frontend patterns
*   Work independently and asynchronously — fully on your own schedule

**Who You Are**

*   Deep expertise in TypeScript — including static typing, generics, interfaces, and utility types
*   3–5 years of hands-on experience with modern frontend or full-stack frameworks such as React, Angular, Next.js, Nuxt.js, or Node.js
*   Strong written and verbal communicator who can clearly articulate technical reasoning
*   Naturally detail-oriented with a high standard for code quality and correctness
*   Bachelor's degree or higher in Computer Science or a related field preferred

**Nice to Have**

*   Experience with data annotation, model evaluation, or AI training workflows
*   Familiarity with full-stack TypeScript patterns and performance optimization
*   Background in code review, technical writing, or engineering mentorship

**Why Join Us**

*   Work on cutting-edge AI projects alongside leading research labs
*   Fully remote and flexible — work when and where it suits you
*   Freelance autonomy with the structure of meaningful, task-based work
*   Make a direct, tangible impact on how AI understands and writes modern TypeScript
*   Potential for ongoing work and contract extension as new projects launch

Software Engineer (Node.js/React) | Remote

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