Senior Software Engineer

Want to work in technology in the financial industry?

Our client is seeking a highly motivated Senior Software Developer to design and build scalable, secure, and high-performance systems. This role focuses on developing robust solutions using Python and AWS, driving best practices across the SDLC, and leveraging emerging technologies such as Generative AI and Agentic AI. The ideal candidate will collaborate with cross-functional stakeholders, contribute to trade and risk management systems, and mentor junior engineers while aligning technical delivery with business goals.

About mthree:

Since 2010, mthree has been helping clients solve their business and technological challenges. We are a technology and business consultancy with a global workforce delivering significant business and IT projects in some of the largest financial services organizations worldwide.

Core Services:

• Consulting and Advisory


• Managed Services


• Alumni Graduate Program

We have a global presence and are experts in delivering exceptional quality to our client base, providing consulting services across Risk, Regulation & Compliance; Vendor Products; Application Support; Application Development; Cyber & Information Security; Data Science and DevOps areas.

Our Expert program offers experienced professionals access to top roles in tech, finance, aviation and insurance. Join us to work on groundbreaking technology projects, from international trading platforms to critical applications for leading airlines. We recruit professionals who are eager to fast-track their careers in technology or operations within prestigious global organizations.

Key Responsibilities

Design and build scalable, secure, and high-performance systems.

Write clean, efficient, and maintainable code with a focus on performance and security.

Conduct design reviews and code reviews to ensure quality and best practices.

Drive and enforce Software Development Lifecycle (SDLC) best practices.

Optimize applications using tools such as AWS X-Ray.

Partner with stakeholders to gather requirements and manage expectations, aligning technical delivery with business objectives.

Collaborate across multiple lines of business and with upstream/downstream partners.

Required Qualifications

Bachelor’s degree in Computer Science or related field.

5+ years of software engineering experience, with the ability to lead or mentor junior engineers.

Strong programming expertise inPython (and/or other languages).

Experience with:

• Machine Learning / Generative AI


• Prompt Engineering


• Agentic AI systems


• Writing and maintaining Markdown documentation

Hands-on experience with AWS Cloud services.

Familiarity with:

• AWS Athena


• AWS X-Ray


• CI/CD pipelines


• Infrastructure as Code (IaC)


• VS Code and modern development environments


• GitHub Copilot or similar AI-assisted coding tools

Experience building trade and risk management systems (preferred).

Demonstrated experience or capability in team leadership or technical leadership (nice to have).

At mthree, our values support courageous teammates, needle movers, and learning champions all while striving to support the health and well-being of all employees. We take great pride in celebrating the diversity of each individual who contributes to making mthree the company it is today and will be in the future. We value diversity both within mthree and with our partner companies, and we're proud to provide an environment where all our colleagues can flourish.

That means promoting a strong culture of equality but, most importantly, inclusion.

We are committed to fair, transparent pay, and we strive to provide competitive compensation in addition to a comprehensive benefits package. The base pay rate for this position is $140,000 - 170,000 USD.

This pay rate represents mthree's good faith and reasonable estimate of the base pay for this role at the time of posting and based on the locations listed in the job advertisement. It is anticipated that qualified candidates selected for a placement will receive this pay rate as a starting salary once onsite with the mthree client, however, the ultimate salary offered for this role may be higher or lower and will be set based on a variety of non-discriminatory factors, including but not limited to, geographic location, skills, and competencies.

Applicants must be currently authorized to work in the United States on a full-time basis. The Company will not sponsor applicants for work visas.

At mthree, we embrace and uphold the principles of equal-opportunity employment. We firmly believe in treating every individual with fairness and respect, free from discrimination on the grounds of race, religion, ethnicity, sex, age, national origin, marital status, parental status, sexual orientation, gender identity, disability, different ability, neurodiversity, status as a veteran/member of the armed forces, or any other legally protected status.

Our unwavering commitment extends to fostering an inclusive environment that empowers qualified minorities and advancement within our organization. We continuously strive to improve and ensure that all applicants and employees have an equitable experience throughout their journey with us.

Together, let's create a workplace that celebrates diversity, encourages inclusivity, and champions equal opportunities for all.

Submitting information is voluntary and your answers in this section will not impact your application through the recruitment process. All information is kept confidential and is collected solely to ensure we’re attracting a diverse population of applicants, to deliver our commitment to diversity.

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