Senior Software Development Engineer II

Senior Software Development Engineer II

21 Dec 2025
Washington, Bellevue, 98004 Bellevue USA

Senior Software Development Engineer II

Position Type : Full time Type Of Hire : Experienced (relevant combo of work and education) Education Desired : Bachelor of Computer Science Travel Percentage : 0%Job DescriptionAs the world works and lives faster, FIS is leading the way.  Our fintech solutions touch nearly every market, company and person on the planet. Our teams are inclusive and diverse. Our colleagues work together and celebrate together. If you want to advance the world of fintech, we’d like to ask you: Are you FIS?     About the team As a member of the Fintel team, you’ll have the opportunity to work on innovative solutions not only creating software but building trust and stability in the digital age. With FIS’s unmatched investment in innovation and its global reach, you’ll be part of a team that operates at a scale that few others can match. You will have a chance to solve problems at a massive scale across over 200k clients, including the world’s leading banks, and process $1T on an annual basis. You will use the latest AI/ML technologies to build highly available and scalable services to combat fraud.Join the FIS Financial Intelligence team and be part of a mission to revolutionize the industry and protect every financial transaction. About the role We are looking for a Senior Software Development Engineer to help us build a brand-new financial technology platform for the future. We look for people who operate like owners, who love to learn, have grit, and operate with integrity and empathy. You're encouraged to apply even if your experience doesn't precisely match the job description. Your skills and passion will stand out — and set you apart. We welcome diverse perspectives and people who are not afraid to challenge assumptions.  Note: We have a hybrid work environment in our Seattle/Bellevue office unless the role or business dictates otherwise. What you will be doing  Translate complex or ambiguous requirements into clean, maintainable, scalable, and well documented code. Design, develop, and maintain software applications and systems that provide value to end-users. Implement and optimize algorithms, data usage, and cloud services for latency, availability, and cost. Debug and troubleshoot software issues to ensure business continuity, and a high bar for end-user experience. Participate in code reviews to ensure code quality, maintainability, security, scalability, and adherence to coding standards. Write unit & integration tests, implement observability, and comply with best practices for builds and deployment to ensure the quality and reliability of our platform. Provide live on-call support by participating in the team on-call rotation and owning production issues from root cause analysis to resolution to future prevention. Partner with cross-functional teams (engineering, product, design, security, compliance etc.) to bring ideas to life Set and maintain high standards of technical excellence across the team. Mentor junior engineers and help hire new talent to build a stronger team. What you will need  At a minimum, a Bachelor's in CS or equivalent education, and either 3+ years of relevant professional experience or advanced degree such as a master’s or PhD. Proficiency in at least one modern development framework / language (e.g., Java, Python, Go).  Excellent communication and cross-functional collaboration skills to thrive in a fast-paced environment. Experience leading projects from architectural design to production, while setting and maintaining high standards of technical excellence across your team.  Expertise in at least one area relevant to our cloud-based financial platform (e.g., fintech, distributed systems, databases, security, or front-end).   Added bonus if you have Typical qualifications for the role are 7+ years of relevant professional experience or a combination of work experience and advanced education. A demonstrable ability to lead and mentor engineers, fostering a culture of collaboration and innovation. A history of leading significant technical initiatives and delivering impactful results.  Experience in building and scaling high-performance engineering teams. Experience with live on-call and 24/7 operation of production services Excellent communication and collaboration skills to influence both technical and non-technical stakeholders. Experience with cloud platforms (AWS, Azure, GCP). Experience with version control systems (Git), and DevOps practices like continuous integration and continuous delivery (CI/CD). A strong understanding of security best practices for building enterprise applications. What we offer you At FIS, we hire the best. In return, you receive exceptional benefits including: Opportunities to innovate in fintech. Tools for personal and professional growth. Inclusive and diverse work environment. Resources to invest in your community. Competitive salary and benefits. FIS is committed to providing its employees with an exciting career opportunity and competitive compensation. The pay range for this full-time position is $136,190.00 - $228,790.00 and reflects the minimum and maximum target for new hire salaries for this position based on the posted role, level, and location. Within the range, actual individual starting pay is determined additional factors, including job-related skills, experience, and relevant education or training. Any changes in work location will also impact actual individual starting pay. Please consult with your recruiter about the specific salary range for your preferred location during the hiring process.Privacy StatementFIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.EEOC StatementFIS is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is available here supplement document available hereFor positions located in the US, the following conditions apply. If you are made a conditional offer of employment, you will be required to undergo a drug test. ADA Disclaimer: In developing this job description care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been described for purposes of ADA reasonable accommodation. All reasonable accommodation requests will be reviewed and evaluated on a case-by-case basis.Sourcing ModelRecruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.#pridepass

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  • At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That\'s how we\'re UNSTOPPABLE for our employees! Job Overview A Senior Software Engineer at T-Mobile is instrumental in designing, developing, and deploying advanced software applications that support the company\'s technological framework. They leverage their extensive experience to mentor junior engineers, ensuring knowledge transfer and skill enhancement across the team. By providing technical leadership, they play a crucial role in maintaining software quality and scalability, which directly impacts the efficiency and reliability of our services. Collaborating with cross-functional teams, the Senior Software Engineer helps to innovate and optimize solutions, thereby supporting T-Mobile\'s commitment to delivering superior customer experiences. Their contributions are vital to the continuous improvement of our software systems and the achievement of our strategic goals. Job Responsibilities: Designs and develops advanced software applications to support the company\'s technological framework Mentors junior engineers, ensuring knowledge transfer and enhancement of team skills Provides technical leadership to maintain software quality and scalabilit Collaborates with cross-functional teams to innovate and optimize software solutions Contributes to the continuous improvement of software systems and strategic goal achievement Ensures the efficiency and reliability of software services through robust development practices Participates in other duties or projects as assigned by business management as needed Education: Bachelor\'s Degree Computer Science or Engineering (Required) Master\'s Degree Computer Science or Software Engineering (Preferred) Work Experience: 4-7 years of experience developing software solutions using Python 2-4 years of experience troubleshooting and resolving complex technical issues 2-4 years of experience working collaboratively with diverse teams in a technical environment Knowledge, Skills and Abilities: Software Development Expertise in designing, developing, and maintaining software applications. Leadership Ability to lead and mentor junior engineers, promoting a collaborative team environment. Problem Solving Strong problem-solving skills to troubleshoot and resolve complex software issues. Analytics Proficiency in using analytical tools and methodologies to improve software functionalities and performance. Process Improvement Knowledge of process improvement techniques to enhance software development lifecycle.(Preferred) Agile Methodologies Experience with Agile development methodologies to manage and streamline project workflows. Technical Writing Ability to document technical design and process effectively for use by the team and stakeholders. (Preferred) Cross-Functional Relationships Capability to collaborate with various departments to align software solutions with business needs. (Preferred) Strategic Thinking Strategic thinking to align software development with organizational goals. (Preferred) Coaching Skills in coaching and developing team members for higher performance and career growth. (Preferred) At least 18 years of age Legally authorized to work in the United States Travel: Travel Required (Yes/No):Yes DOT Regulated: DOT Regulated Position (Yes/No):No Safety Sensitive Position (Yes/No):No Base Pay Range: $114,200 - $206,000 Corporate B

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