Full Stack Developer – Python, FastAPI/Django, ReactJS & UX/UI

Job Summary Synechron is seeking a Full Stack Developer with strong expertise in Python, FastAPI and/or Django, ReactJS, and UX/UI design. The role will involve designing, developing, and maintaining scalable, secure, and user-focused technology solutions for asset management and financial services environments.The position combines backend engineering, frontend development, and user experience design. The successful candidate will contribute to the complete software development lifecycle, from understanding business needs and designing user experiences to building secure APIs, implementing sophisticated interfaces, and supporting production-ready solutions. This role contributes to business objectives by delivering reliable digital solutions, improving user experience, supporting efficient business operations, and enabling secure and scalable technology platforms.

Software Requirements Required Strong Python development experience, with 7–10 years of relevant full-stack or software engineering experience.

Extensive hands-on engineering experience in asset management or the broader financial services industry.

Proficiency with FastAPI and/or Django for developing RESTful services.

Significant experience designing, developing, testing, and maintaining REST APIs.

Expert knowledge of frontend technologies, particularly ReactJS.

Significant UX/UI design experience, including the ability to design and implement sophisticated user interfaces using ReactJS.

Experience delivering scalable and secure technology solutions.

Proficiency with current, supported versions of Python, ReactJS, FastAPI and/or Django, and associated development tools.

Experience working effectively across teams and communicating with technical and non-technical stakeholders.

Strong ownership of deliverables, with the ability to work independently and maintain a delivery-focused approach.

Preferred Experience designing full-stack applications for investment, portfolio, trading, risk, reporting, or other financial services workflows.

Experience with modern ReactJS patterns, reusable components, state management, responsive design, and accessibility.

Familiarity with TypeScript or JavaScript development practices.

Experience with automated testing for Python APIs and ReactJS applications.

Exposure to cloud-based application deployment, containerization, and continuous integration and delivery.

Experience working with design systems, usability testing, wireframing, prototyping, and user research.

Familiarity with application performance monitoring, logging, and production support practices.

Relevant certifications or formal training in cloud, software engineering, UX/UI design, or financial technology.

Overall Responsibilities Design, develop, test, and maintain full-stack applications using Python, FastAPI and/or Django, ReactJS, and related technologies.

Develop secure, scalable, maintainable, and well-documented RESTful services.

Translate business and user requirements into technical designs, service interfaces, application components, and intuitive user experiences.

Create and implement sophisticated, responsive, and accessible user interfaces using ReactJS.

Apply UX/UI design principles to improve usability, consistency, navigation, and task completion.

Collaborate with product, business, design, architecture, quality assurance, data, and other technology teams.

Contribute to solution design, technical estimation, code reviews, testing, release planning, and production support.

Identify and resolve application defects, performance issues, integration challenges, and usability concerns.

Apply secure engineering practices throughout the development lifecycle, including appropriate access control, data protection, and secure API design.

Support scalable technology solutions that meet business, operational, regulatory, and security expectations within financial services environments.

Take ownership of assigned work, communicate progress and risks, and deliver outcomes within agreed timelines.

Promote sustainable development practices by creating reusable components, optimizing application and infrastructure usage, reducing unnecessary processing, and supporting efficient digital solutions.

Stay current with relevant full-stack development, UX/UI, security, cloud, and financial services technology practices.

Technical Skills (By Category)

Programming Languages Essential

Strong Python programming experience in production software development.

Proficiency in JavaScript for frontend application development.

Ability to write maintainable, testable, modular, and secure code.

Understanding of object-oriented programming, asynchronous programming, error handling, and performance considerations.

Preferred

Experience with TypeScript.

Familiarity with scripting or automation languages used in development and deployment activities.

Databases/Data Management Essential

Experience integrating Python applications and RESTful services with databases.

Understanding of data modeling, querying, transactions, validation, indexing, and data integrity.

Ability to design data access layers that support scalability, maintainability, and secure handling of information.

Awareness of financial services data requirements, including accuracy, traceability, and controlled access.

Preferred

Experience with relational and NoSQL databases.

Familiarity with data-intensive applications, reporting platforms, or investment-related data workflows.

Exposure to data migration, caching, search, or application performance optimization.

Cloud Technologies Essential

Understanding of deploying and operating scalable web applications in cloud or enterprise environments.

Awareness of cloud security, availability, monitoring, access management, and resource-efficiency considerations.

Preferred

Experience with cloud-based application services, storage, networking, and monitoring.

Familiarity with containers, orchestration, infrastructure automation, and continuous delivery.

Experience optimizing cloud resource usage to support sustainable and cost-conscious technology delivery.

Frameworks and Libraries Essential

Proficiency with FastAPI and/or Django for backend application development.

Experience building RESTful services, API integrations, request validation, error handling, and service documentation.

Expert-level frontend development experience with ReactJS.

Experience creating reusable ReactJS components and implementing complex, responsive user interfaces.

Significant UX/UI design experience, including user flows, wireframes, prototypes, visual consistency, and usability considerations.

Preferred

Experience with React state-management libraries and frontend routing solutions.

Familiarity with component libraries, design systems, frontend accessibility standards, and responsive design frameworks.

Exposure to asynchronous task processing, API gateways, messaging, or service-oriented architectures.

Experience with UX research, usability testing, and data-informed interface improvements.

Development Tools and Methodologies Essential

Experience with source control, pull requests, code reviews, defect tracking, and build processes.

Understanding of Agile or iterative software development practices.

Experience with unit testing, integration testing, frontend testing, and API testing.

Ability to document technical designs, API specifications, user interface decisions, and operational procedures.

Experience participating in the full software development lifecycle, including analysis, design, development, testing, deployment, and support.

Preferred

Experience with continuous integration and continuous delivery pipelines.

Familiarity with containerization, automated quality checks, static analysis, and application monitoring.

Experience working with design collaboration and prototyping tools.

Exposure to test-driven development, behavior-driven development, or automated regression testing.

Security Protocols Essential

Experience applying secure coding practices in Python, RESTful services, and ReactJS applications.

Understanding of authentication, authorization, role-based access, session management, input validation, and secure API design.

Awareness of encryption, secure data handling, privacy, auditability, and security controls relevant to financial services.

Ability to identify and address common application vulnerabilities during design, development, testing, and maintenance.

Preferred

Experience implementing enterprise identity and access management integrations.

Familiarity with security testing, vulnerability remediation, audit requirements, and secure software development standards.

Experience designing solutions that protect sensitive financial and personal information.

Experience Requirements 7–10 years of professional experience in full-stack development, software engineering, or a closely related role.

Extensive hands-on engineering experience in asset management or the broader financial services industry.

Demonstrable experience delivering scalable and secure technology solutions in production environments.

Strong Python experience, including development with FastAPI and/or Django and implementation of RESTful services.

Expert frontend development experience using ReactJS, supported by significant UX/UI design experience.

Experience working across teams to understand requirements, communicate technical decisions, resolve dependencies, and deliver agreed outcomes.

Experience working independently, taking ownership of assigned responsibilities, and maintaining delivery against agreed priorities.

Candidates may also qualify through equivalent professional experience, substantial relevant project delivery, or a combination of formal education, technical training, and demonstrable engineering outcomes.

Day-to-Day Activities Design and develop Python-based RESTful services using FastAPI and/or Django, while implementing sophisticated ReactJS interfaces informed by UX/UI requirements.

Participate in requirements discussions, design reviews, sprint planning, code reviews, testing activities, and collaboration with business, product, design, and technology teams.

Deliver production-ready code, API documentation, UI components, technical designs, test results, defect fixes, and progress updates for assigned initiatives.

Make technical decisions within the assigned scope, identify delivery and security risks, resolve issues, and escalate dependencies when decisions require broader review.

Qualifications Bachelor's degree in Computer Science, Engineering, or a relevant field; equivalent relevant professional experience may also be considered.

Extensive practical experience delivering scalable and secure software solutions within asset management or the broader financial services industry.

Relevant training in Python, FastAPI, Django, RESTful services, ReactJS, UX/UI design, secure development, or cloud technologies is preferred.

Certifications in software engineering, cloud technologies, UX/UI design, or financial technology are preferred but not mandatory unless required for a specific assignment.

Maintain continuous professional development in full-stack engineering, ReactJS, UX/UI practices, application security, scalable architecture, and financial services technology.

Professional Competencies Apply critical thinking, structured analysis, and practical problem-solving to address technical, usability, security, and delivery challenges.

Demonstrate ownership of assigned outcomes, contribute to technical direction, and work effectively both independently and as part of a collaborative team.

Communicate requirements, design decisions, progress, risks, and recommendations clearly to technical and non-technical stakeholders.

Adapt to changing business priorities, technologies, user needs, and delivery conditions while maintaining solution quality.

Identify opportunities to improve user experience, engineering practices, application performance, reuse, security, and sustainable technology utilization.

Prioritize and manage multiple tasks, meet agreed deadlines, maintain a delivery mindset, and apply a customer-focused approach in a fast-paced work environment.

S​ YNECHRON’S DIVERSITY & INCLUSION STATEMENT   Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law .

Candidate Application Notice