Find ION Group Senior Software Engineer software engineering jobs

ION Group is a diverse group of visionary innovators providing trading and workflow automation software, high-value analytics, and strategic consulting to corporations, central banks, financial institutions, and governments.

As a Senior Software Engineer - Full Stack at ION Group, you will play a crucial role in designing, developing, and maintaining web applications across both front-end and back-end systems. This position requires a deep understanding of modern programming languages and frameworks such as Java, JavaScript, React, Node.js, alongside proficiency in databases like SQL or NoSQL.

Key responsibilities include:
- Designing and developing robust, scalable backend systems using Java
- Building high-frequency, low-latency distributed systems based on service-oriented architecture and SOLID design principles
- Developing responsive, user-friendly web frontends using modern JavaScript frameworks/libraries such as Angular and React
- Implementing best practices in software development, including design patterns, security, automated testing, and CI/CD
- Monitoring and improving application performance for both frontend and backend systems
- Coaching and mentoring junior team members

Required qualifications:
- BE/BTech or MS degree in Computer Science from a reputed university
- 8+ years of full-stack, hands-on experience in product development
- Proficiency in Java, JavaScript, AngularJS, HTML5
- Experience with databases (Oracle, MSSQL)
- Knowledge of distributed architecture concepts, design patterns, and SOLID principles
- Experience with Agile and Scrum methodologies
- Strong analytical, problem-solving, and communication skills

ION Group offers an unparalleled career experience with a rapidly expanding global presence, cutting-edge products, and over 40,000 customers worldwide. Join a team of visionary innovators making a significant impact in the financial technology sector.

Senior Full Stack Software Engineer role at ION Group, developing scalable web applications using Java, JavaScript, and modern frameworks.

Senior Software Engineer - Full Stack

ION Group is a company pushing the boundaries of financial services products, offering cutting-edge projects and collaboration with industry leaders.

We are seeking an experienced Senior Quality Engineer with expertise in full-stack automated testing. The ideal candidate will be responsible for designing, developing, and maintaining robust automation frameworks for both frontend and backend systems. This role involves close collaboration with cross-functional teams to ensure the delivery of high-quality software solutions, driving automation efforts for APIs, microservices, and front-end applications across web and mobile platforms.

Key Responsibilities:
- Develop and maintain comprehensive automation frameworks for testing backend APIs, microservices, and databases using Java/RestAssured or similar tools.
- Design, implement, and execute frontend UI automation tests for web and mobile applications using tools like Playwright, WebdriverIO, Cypress, Maestro, or Appium.
- Create and maintain automated test suites across various platforms, including web, mobile, and backend services.
- Conduct performance and load testing for APIs and services to ensure high scalability and reliability.
- Design and execute integration tests to ensure end-to-end functionality of complex systems.
- Proactively identify automation opportunities and propose technical solutions to enhance testing efficiency.
- Review and analyze requirements, API specifications, and technical design documents to provide timely feedback.

Required Skills and Experience:
- 5+ years of experience in Test Automation, with a strong emphasis on full-stack automation in web and mobile projects.
- Strong programming skills in Java/JavaScript/TypeScript and experience with automation tools for API/Mobile Application Automation.
- Knowledge of microservices architecture and the ability to design automated tests for distributed systems.
- Experience in performance testing tools (Gatling) for testing backend services.
- Proficient in working with RESTful APIs, microservices, and databases.
- Strong problem-solving skills and ability to debug complex issues across frontend and backend layers.
- Proven experience in integrating automated tests into CI/CD pipelines using tools like Jenkins, GitHub Actions, CircleCI, or similar.
- Collaborative, focused, and resilient.

Preferred Qualifications:
- Experience with Maestro or Appium for mobile test automation (Android/iOS).
- Familiarity with cloud-based testing tools and services (e.g., BrowserStack, Sauce Labs).
- Hands-on experience with Java and test automation frameworks such as RestAssured for backend API testing.
- Expertise in frontend UI automation tools like Playwright, WebdriverIO, Cypress, or similar.
- Banking/financial domain experience.
- Early joiners are preferred.

Join LAB49, a part of ION Group, and work on cutting-edge projects, collaborate with industry leaders, and accelerate your career growth in a dynamic environment. You'll play a crucial role in building and nurturing strong, long-lasting relationships with high-profile clients, identifying new business opportunities, and expanding our service offerings within the wealth management sector. We prioritize candidates who can take responsibility and drive execution while providing supportive mentorship to help you thrive and grow in your role.

Senior QA Test Automation Engineer for ION Group, responsible for full-stack automated testing of financial services products.

Senior QA Test Automation Engineer

As a Senior Software Engineer - UI/UX at ION Group, you will play a crucial role in designing, developing, and maintaining commodity/energy production, trading, and logistics products in an agile environment. You'll use user-centered design (UCD) principles and user experience (UX) best practices across the entire product development lifecycle. 

Key responsibilities include:
- Designing and developing user interfaces using C#, C/C++, and third-party GUI libraries
- Diagnosing and debugging software using Microsoft Visual Studio
- Collaborating with business experts and customers to understand requirements
- Promoting best practices in coding, design, and architecture
- Coaching and mentoring junior team members

Required qualifications:
- BE/BTech or MS degree in Computer Science
- 6+ years of hands-on experience in coding and designing complex, enterprise applications
- Strong UI/UX development skills using C#, .Net, C/C++
- Experience with WinForms, Infragistics or DevExpress
- Knowledge of databases (Oracle, MSSQL)
- Strong analytical and problem-solving skills

ION Group is a rapidly expanding organization with 13,000 employees and offices in more than 40 cities globally. They serve over 2,000 of the world's leading corporations, including 50% of the Fortune 500 and 30% of the world's central banks. This position offers an unparalleled career experience for those who share the company's vision of innovation and growth in the financial technology sector.

Senior Software Engineer - UI/UX role at ION Group, focusing on developing trading and financial software solutions.

Senior Software Engineer - UI/UX

As a Senior Software Engineer at ION Group, you will play a crucial role in designing, developing, and maintaining commodity/energy production, trading, and logistics products in an agile environment. You'll collaborate with cross-functional teams to deliver high-quality software solutions, implementing best practices in coding, testing, and deployment. The role requires strong problem-solving skills, excellent communication, and the ability to adapt to new challenges.

Key responsibilities include:
- Designing and developing software using C# and .Net
- Participating in various phases of the development lifecycle
- Debugging software using Microsoft Visual Studio
- Interacting with business experts and customers
- Collaborating with local and remote team members
- Promoting best practices in coding, design, and architecture
- Coaching and mentoring junior team members

Required qualifications:
- BE/BTech or MS in Computer Science
- 6+ years of experience in coding and designing complex applications
- Strong programming skills in C# and .NET frameworks
- Experience with SQL and Microsoft stack
- Knowledge of design patterns and SOLID principles
- Excellent communication and problem-solving skills

ION Group is a rapidly expanding organization with 13,000 employees and offices in more than 40 cities globally. They serve over 2,000 of the world's leading corporations, including 50% of the Fortune 500 and 30% of the world's central banks. This position offers an unparalleled career experience for those who share the company's vision of innovation and growth in the financial technology sector.

Senior Software Engineer position at ION Group, focusing on .Net development for commodity/energy trading and logistics products.

Senior Software Engineer - .Net

As a Senior Software Engineer at ION Group, you will play a crucial role in designing, developing, and maintaining web applications across both front-end and back-end systems. This position requires expertise in modern programming languages and frameworks such as Java, JavaScript, React, and Node.js, alongside proficiency in SQL or NoSQL databases. You'll collaborate with cross-functional teams to deliver high-quality software solutions, implementing best practices in coding, testing, and deployment. The role demands strong problem-solving skills, excellent communication, and adaptability in a fast-paced environment.

Key responsibilities include:
- Designing and developing robust, scalable backend systems using Java
- Building high-frequency, low-latency distributed systems based on service-oriented architecture and SOLID design principles
- Developing responsive, user-friendly web frontends using modern JavaScript frameworks like Angular and React
- Monitoring and improving application performance for both frontend and backend systems
- Implementing best practices in software development, including design patterns, security, automated testing, and CI/CD
- Coaching and mentoring junior team members

ION Group is a rapidly expanding organization with 13,000 employees and offices in more than 40 cities globally. They serve over 2,000 of the world's leading corporations, including 50% of the Fortune 500 and 30% of the world's central banks. Their electronic trading platforms are used by over 800 of the world's leading banks and broker-dealers.

Join ION Group for an unparalleled career experience in a company that's shaping the future of financial technology.

Senior Software Engineer – Full Stack

ION Group provides trading, analytics, and risk management solutions for capital markets.

ION Group is seeking a Lead React Native Developer to join their team in London. This is a full-time, hybrid position with Lab49, which appears to be a division or subsidiary of ION Group focused on software engineering.

The role requires expertise in React Native development, indicating a focus on mobile application development using React Native framework. As a lead developer, the successful candidate will likely be responsible for guiding the technical direction of mobile projects, mentoring junior developers, and ensuring best practices in React Native development are followed.

ION Group is a fintech company that provides trading, analytics, and risk management solutions for capital markets. By joining ION Group, you'll be part of a company at the forefront of financial technology, working on cutting-edge solutions that impact global markets.

The hybrid work style offers a balance between in-office collaboration and remote work flexibility, which is increasingly valued in the tech industry. This setup allows for face-to-face interactions with team members while also providing the benefits of working from home.

As a Lead React Native Developer, you'll likely be involved in architecting and developing complex mobile applications, collaborating with cross-functional teams, and staying up-to-date with the latest trends and best practices in mobile development and React Native ecosystem.

Join ION Group to leverage your React Native expertise, lead innovative mobile projects, and contribute to the evolution of financial technology solutions in a dynamic, global company.

Lead React Native Developer position at ION Group in London, UK. Full-time, hybrid role focusing on mobile app development using React Native.

Lead React Native Developer

ION Group is a financial technology company that provides software solutions and services to the global financial industry.

Lab49, a part of ION Group, is seeking a Lead Java Developer to spearhead complex and challenging projects for top-tier Financial Services clients. This role offers an exciting opportunity to drive transformative change in an Agile environment, focusing on next-generation financial systems. The ideal candidate will have strong server-side experience and be comfortable working with distributed systems, actor-based concurrency, and reactive programming.

As a Lead Java Developer, you'll be at the forefront of shaping the future of financial technology stacks. You'll work on server-side JVM-based projects, utilizing a wide range of technologies including Spring, Guice, Maven, and Hibernate. The role requires adaptability, as you'll need to retool continuously with the evolving technology landscape.

This position demands not just technical expertise, but also a collaborative spirit and a passion for delivering quality code. You'll be working closely with clients in iterative, project-based engagements, where self-organizing teams move quickly to build innovative solutions. Your deep understanding of multithreading and real-time software architectures will be crucial in solving real-world business problems.

The ideal candidate will have 9+ years of hands-on experience with Java (preferably Java 8+), experience with RESTful Web Services, and a strong background in test-driven development. Familiarity with Agile methodologies and CI/CD environments is essential. Additionally, a strong interest in global financial markets and financial products will be highly valuable in this role.

Join Lab49/ION Group, and be part of a supportive and inclusive environment that values diverse backgrounds and experiences. This is your chance to contribute to cutting-edge financial technology and make a significant impact in the industry.

Lead Java Developer role at ION Group's Lab49, focusing on building next-gen financial systems using advanced Java technologies in London.

ION Group Senior Software Engineer Software Engineering Jobs

Find ION Group Senior Software Engineer software engineering jobs