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Largeton Group

Developer-Full Stack Senior

On site

Mclean, United states

$ 80 /year

Senior

Freelance

02-02-2026

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Skills

Python Java SQL Test Problem-solving Back-end Development Software Development Accounting Agile

Job Specifications

Title: Developer-Full Stack Senior

Duration: 6 Months Contract

Location: Mclean, VA - Onsite- locals only

Interview Information

Rounds: 2 Rounds

Duration: 30 Minutes|120 minutes

Interview Type: 1st round virtual with video mandatory; 2nd round on-site required.

Must Have Qualifications: 2+ years of experience with OOP design and coding, hands-on development with Python and Java - mostly backend work using Python.

Solid background in fixed income finance, financial accounting, and capital market.

SQL using multiple leading database solutions, and Agile development process.

BA in Computer Science or related field. Strong Critical thinker and problem solver.

Job Summary

Seeking a Sr. Software Developer –who is proficient in Python development to assist us with the development of mission critical application based on modern software development frameworks. The developer will be involved in assisting the team with new features, defect fixes, technical debts, improvements and migration efforts for both our customer facing and internal applications/services by applying the specialized knowledge in each stage of software development – including server operations, front-end and back-end development, testing, verification and maintenance.

Responsibilities

Design, develop, test and support financial engineering applications and services
Involve in fixing the defects and addressing the technical debts to ensure best software development practices are met.
Write clean, robust, high quality code following best practices and backed by automated unit and integration tests with full coverage.
Coordinate with the rest of the team working on different layers of the infrastructure.
Assist with the infrastructure upgrades and adoption of new technologies.

A commitment to collaborative problem-solving, sophisticated design, and quality product is important

About the Company

At Largeton Group, we're passionate about empowering businesses to reach new heights through innovative staffing solutions and cutting-edge technology. For over a decade, we've been dedicated to delivering exceptional service and driving growth for our clients. Founded in 2015, Largeton Group has evolved from a staffing agency to a comprehensive HR solutions provider. Our journey has been marked by a commitment to excellence, innovation, and customer satisfaction. Today, we're proud to be a trusted partner for businesses ... Know more