Sr. Software Developer
Interactive Brokers
Job ID: 2519Req ID: 756Location: Greenwich, CT, USAPosted: 2026-09-29 Sr. Software Developer (Greenwich, CT) (Hybrid: Remote work permitted 2 days/week) (multiple positions) Design and develop scalable high-performance software applications for financial brokerage firm’s back-office and client services operations. Build and integrate artificial intelligence into software to enhance client experience and improve end user efficiency. Optimize systems to support high-throughput communication channels with customers via various protocols. Translate business requirements into technical specifications and propose solutions. Design and maintain Oracle databases to support large-scale data storage, ensuring high availability, consistency, and security. Conduct advanced research on emerging technologies to propose solutions for business challenges. Collaborate with product managers, designers, and other developers to define and deploy new features. Hybrid: Remote work permitted 2 days/week. Must work from Greenwich, CT office 3 days/week Requires: Master’s degree or foreign equivalent in Computer Science or related field and Three (3) years of experience as a Software Developer or a related position developing with Java. 3 years of professional experience with server-side java programming, J2EE, and Spring Framework. 3 years of experience developing RESTful web services, and microservices. 3 years of experience using Oracle and SQL to perform data maintenance and analysis. 3 years of experience with distributed systems and algorithms. 3 years of experience with integration frameworks, and patterns. 3 years of experience with AWS ecosystem and products. 3 years of experience with Linux systems. 2 years of experience with Python scripting for automation, data processing and analysis. 2 years of experience with ElasticSearch including fuzzy search optimization and index management. 2 years of experience in Artificial Intelligence and Machine Learning domain. Send resume with cover letter to IBG LLC, Attn: A.Torres Ref:HJ2026, View email address on click.appcast.io. No calls. EOE
- ...including Barron’s, Investopedia, Stockbrokers.com, and others. Software Development - Brokerage This Software Development group... ...define modern electronic trading. It's a dream environment for developers who want to build sophisticated financial technology. This is...SeniorTemporary workWork at officeRemote workWorldwideFlexible hours
Interactive Brokers
Greenwich, CT3 days ago $180k - $220k
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Stamford, CT3 hours ago- ...and security solutions and services. POSITION SUMMARY As a Sr. Applications Engineer, you will need to formulate an engineered... ...regular basis. Interface with area and senior leadership to develop a win strategy and evaluate the dynamics of projects. Work with...SeniorFor contractorsFor subcontractor
Securitas Technology
Cos Cob, CT1 day ago - ...of and experience with serverless solutions in AWS Experience with programming languages such as Java, Python, Node.js Experience developing and maintaining IaC for cloud-based solutions Experience with Terraform and Terraform Enterprise Exceptional personal...SeniorTemporary workWork at officeRemote workFlexible hours
Interactive Brokers
Greenwich, CT3 days ago - ...in brokerage business.We are looking for a knowledgeable C++ Developer to work under the general supervision of a team of application... ...be responsible for:Design, implement and deliver high quality software solutions that conform to architectural standardsManage and 'own...Senior
Interactive Brokers
Greenwich, CT3 days ago - ...including Barron’s, Investopedia, Stockbrokers.com, and others. Software Development - Brokerage This Software Development group... ...define modern electronic trading. It's a dream environment for developers who want to build sophisticated financial technology. This is...SeniorTemporary workWork at officeRemote workWorldwideFlexible hours
Interactive Brokers
Greenwich, CT3 days ago - ...that drive our tax workflowsWe are a technically focused team operating at the intersection of financial services and enterprise software engineering, building and evolving mission-critical systems that serve clients at scale. Your Role As a new member of TaxCust, you...SeniorWork at officeRemote work
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White Plains, NY4 days ago $119k - $299.93k
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Stamford, CT4 days ago$60 - $70 per hour
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Stamford, CT2 days ago$105.4k - $207.8k
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Stamford, CT2 days ago$107.6k - $198.4k
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Stamford, CT4 days ago- ...applications, from test through production, to whole regions or single hosts Run the release request lifecycle with the requesting developer: approvals, rollback path, verification, change records Execute rollbacks under time pressure, and verify the rolled-back state...SeniorTemporary workFlexible hoursWeekend work
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Greenwich, CT2 days ago $110.7k - $218.3k
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Stamford, CT4 days ago- ...opportunity to build high-performance, scalable, and standards-driven software. You'll be joining our Web Development Group, where you'll play... .... What will be your responsibilities within IBKR: Design, develop, maintain web-based applications and programs for our online...Temporary workWork at officeRemote workWorldwideFlexible hours
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At Franklin Templeton, we believe success is built through powerful partnerships. As a forward thinking asset manager, we build dynamic relationships with clients, understand their goals, and navigate complex markets together. We leverage cutting edge strategies and deep...SeniorLocal area3 days per weekFranklin Templeton
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Stamford, CT2 days ago- ...alternatives to reduce costs without sacrificing quality. Collaborate with vendors and subcontractors to source competitive pricing. Develop bid proposals, ensuring all required documentation is submitted on time. Partner with sales and project management teams to...Temporary workFor contractorsFor subcontractor
Securitas Technology
Stamford, CT1 day ago
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