Distributed API Developer - Half Stack/Full Stack Dev - C#.NET

This position is posted by Jobgether on behalf of Conexess Group. We are currently looking for a Distributed API Developer – Half Stack/Full Stack Dev - C#.NET in the United States.

This role offers the opportunity to work on complex, distributed API and full-stack development projects within a dynamic, fast-paced technical environment. The successful candidate will support critical product and API development, production support, and testing practices while contributing to the migration of core systems to a modern fintech platform. You will collaborate with cross-functional teams to design, implement, and enhance secure and scalable APIs, integrate multiple systems, and maintain robust software solutions. The position requires a proactive problem-solver with strong technical skills, attention to detail, and the ability to manage multiple projects simultaneously. Your work will have direct impact on system performance, application security, and the delivery of high-quality fintech solutions.

Accountabilities

In this role, you will:

• Develop, enhance, and integrate APIs and web service interfaces using C# and .NET Core.
• Perform system analysis, debugging, code optimization, and software testing (unit, integration, regression).
• Support production-level applications, addressing technical issues and providing Tier 3 support as needed.
• Collaborate with other developers, programmers, and technology teams to achieve shared objectives.
• Implement secure coding practices, including encryption, authentication, and vulnerability management.
• Participate in migration projects, integrating fintech platforms and ancillary services.
• Utilize CI/CD pipelines, containerization tools, and Agile methodologies to ensure timely delivery of high-quality software.

The ideal candidate should have:

• Bachelor’s degree in Computer Science, Computer Engineering, or equivalent experience.
• 6+ years of experience in product or application development with a focus on C#, JavaScript, .NET Framework, and .NET Core 6+.
• Strong knowledge of REST-based APIs, database development (MS-SQL, TSQL), and secure coding practices.
• Experience in fintech or core banking systems, including bank deposit solutions, card controls, event-driven systems (Kafka), and CIF solutions.
• Proficiency with full-stack development, unit testing frameworks (NUnit, Moq), CI/CD tools (GitHub, Harness, Artifactory), and Linux environments.
• Familiarity with Agile/SAFe practices, Jira, DevOps tools, containerization (Docker/OpenShift), and cloud technologies.
• Strong analytical, problem-solving, and communication skills, with the ability to manage multiple projects concurrently.
• Bonus skills: Python, PySpark, Hadoop, Hive, data lake ETL and streaming, RPA (UI Path), monitoring tools (Orion, Splunk), Visa Token Services.

This role offers:

• Competitive compensation based on experience and skillset.
• Fully remote work flexibility across the United States.
• Opportunities to work on cutting-edge fintech platforms and technologies.
• Professional growth and career development within a collaborative technical team.
• Exposure to modern CI/CD, cloud-based, and distributed system practices.
• Engagement in secure, high-impact projects within the financial technology sector.

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

When you apply, your profile goes through our AI-powered screening process designed to identify top talent efficiently and fairly.
🔍 Our AI evaluates your CV and LinkedIn profile thoroughly, analyzing your skills, experience, and achievements.
📊 It compares your profile to the job’s core requirements and past success factors to determine your match score.
🎯 Based on this analysis, we automatically shortlist the 3 candidates with the highest match to the role.
🧠 When necessary, our human team may perform an additional manual review to ensure no strong profile is missed.

The process is transparent, skills-based, and free of bias — focusing solely on your fit for the role. Once the shortlist is completed, we share it directly with the company that owns the job opening. The final decision and next steps (such as interviews or additional assessments) are then made by their internal hiring team.

Thank you for your interest!

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