22 of 22 Permanent Senior Systems Developer Jobs

Senior Systems Developer Join Our Team as Senior Systems Developer Location: Chesterfield An exciting opportunity has become available for a Senior Systems Developer to join our Member Services team. Reporting to the Senior … execute appropriate testing strategies, ensuring high-quality and reliable system releases. Partner with the Senior Service & Support Administrator and Senior Systems Development Manager to plan development roadmaps, manage sprint activity and support a continuous delivery approach. Produce and analyse development reporting with the Admin Platform ...

Senior Systems Developer Join Our Team as Senior Systems Developer Location: Chesterfield An exciting opportunity has become available for a Senior Systems Developer to join our Member Services team. Reporting to the Senior ...

Senior Systems Developer Join Our Team as Senior Systems Developer Location: Chesterfield An exciting opportunity has become available for a Senior Systems Developer to join our Member Services team. Reporting to the Senior ...

Senior Developer - Real Time Investment Data Location: London (Hybrid - 3 days onsite Salary: Up to £110,000 + 25% Performance Bonus + 13.5k Partnership Bonus + Excellent Benefits About the role I'm currently supporting a leading global investment firm in hiring a Senior … market data platforms within Financial Services AWS cloud experience (Lambda, S3, serverless, integrations) Knowledge of real-time data, time-series data, and event-driven systems Experience integrating vendor platforms such as Bloomberg, Refinitiv, MarketAxess or similar Strong understanding of Front Office investment data, including market data, pricing, orders, positions ...

Senior Developer - Real Time Investment Data Location: London (Hybrid - 3 days onsite Salary: Up to £110,000 + 25% Performance Bonus + 13.5k Partnership Bonus + Excellent Benefits About the role: I'm currently supporting a leading global investment firm in hiring a Senior … market data platforms within Financial Services AWS cloud experience (Lambda, S3, serverless, integrations) Knowledge of real-time data, time-series data, and event-driven systems Experience integrating vendor platforms such as Bloomberg, Refinitiv, MarketAxess or similar Strong understanding of Front Office investment data, including market data, pricing, orders, positions ...

Senior Embedded Rust/Systems Developer Location: West Sussex (Crawley Area) YT Technologies is partnering with a market-leading specialist engineering firm providing mission-critical technology for the global transport and infrastructure sectors. We are searching for an experienced Senior Rust Developer to join their close-knit, highly collaborative R&D team of 8 engineering professionals. This is a pure systems-level engineering role focused entirely on writing performance-critical software directly for embedded devices, not servers. If you are looking for an autonomous environment where you can solve ...

Senior Embedded Rust/Systems Developer Location: West Sussex (Crawley Area) YT Technologies is partnering with a market-leading specialist engineering firm providing mission-critical technology for the global transport and infrastructure sectors. We are searching for an experienced Senior Rust Developer ...

Senior Embedded Rust/Systems Developer Location: West Sussex (Crawley Area) YT Technologies is partnering with a market-leading specialist engineering firm providing mission-critical technology for the global transport and infrastructure sectors. We are searching for an experienced Senior Rust Developer ...

time and time‐series data platforms within our investment management technology team. This role combines hands‐on engineering with domain expertise, setting direction for systems that underpin market data, trading, portfolio, and analytics workflows used by Portfolio Managers, Traders, and Quant teams. In this role you will … performance, and operational readiness. Lead integrations with vendor platforms and ensure consistent, reliable data across internal consumers. Own production stability for business‐critical data systems, particularly during trading hours. Define and enforce best practices for monitoring, alerting, incident response, and root cause analysis. Proactively identify performance bottlenecks, scalability risks ...

million HTTP requests daily and process more than 1.5 million bets per hour at peak. Job Description As a Senior Business Systems Developer, you will shape the technology that powers our global operations, turning complex challenges into scalable solutions. The Business Systems Solutions department … builds and maintains systems and solutions for the company that keeps our internal operations running smoothly. By integrating custom-built software with third-party products, the team drives efficiency, scalability, and sustainability across the business. You will collaborate with Technical Leads and Software Architects to deliver robust software solutions ...

million HTTP requests daily and process more than 1.5 million bets per hour at peak. Job Description As a Senior Business Systems Developer, you will shape the technology that powers our global operations, turning complex challenges into scalable solutions. The Business Systems Solutions department … builds and maintains systems and solutions for the company that keeps our internal operations running smoothly. By integrating custom-built software with third-party products, the team drives efficiency, scalability, and sustainability across the business. You will collaborate with Technical Leads and Software Architects to deliver robust software solutions ...

/IBM Planning Analytics Developer (Senior) – 12 Month FTC Location: Hybrid Client: Financial Services … Salary: up to £80,000 This role is a 12-month fixed-term contract. The Role This role sits within a high impact finance systems team and will focus on developing and enhancing IBM Planning Analytics (TM1) solutions supporting FP&A, reporting, and regulatory requirements. Key Responsibilities Develop ...

Senior .Net Developer (Billing or Financial Systems Essential) 2 Year Fixed Term ContractSouthampton, 3 days per week £60-65k + 10% Bonus, 8% Pension, Private Medical. - This role cannot offer Visa Sponsorship. - You must have Billing Systems or Financial Product Experience to apply. … complex billing environment, working across system stabilisation, reverse engineering and transformation support. The role is best suited to someone who enjoys understanding how systems truly work, not just building new features. A large part of your time will involve working on a heavily customised, customer-specific billing platform, where ...

Senior .Net Developer (Billing or Financial Systems Essential) 2 Year Fixed Term ContractSouthampton, 3 days per week £60-65k + 10% Bonus, 8% Pension, Private Medical. - This role cannot offer Visa Sponsorship. - You must have Billing Systems or Financial Product Experience to apply. ...

hackajob is partnering directly with bet365 to hire for this role. Company Description We're one of the world's leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we ...

hackajob is partnering directly with bet365 to hire for this role. Company Description We're one of the world's leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we ...

hackajob is partnering directly with bet365 to hire for this role. Company Description We're one of the world's leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we ...

Gujral is seeking a Senior Lead … C# Software Developer to join close to London Bridge. The role requires 5 to 10 years of solid expertise in developing financial systems, with a focus on robust back-end delivery. The ideal candidate will have extensive experience in C# development for banking or financial platforms ...

technology, we are expanding our engineering team to build the next generation of our platform. We are looking for a highly capable Senior Python Developer to step in and take full ownership of our AI initiatives. You will not just be writing code; you will … Advanced memory and retrieval strategies (RAG optimization). Requirements Experience: 5+ years of professional Python development. Proven Track Record: A portfolio of deployed AI systems (prototypes alone will not suffice). Specialization: Direct experience building autonomous task-solvers or multi-agent systems. System Design: Strong architectural and system design ...

agent experience. The contact center is the domain, but the core need is strong development capability. The right person is comfortable building production systems, integrating complex platforms, and using AI-assisted engineering tools to move quickly without sacrificing quality. What You'll Do: Production-grade Node.js services … Lambda, API Gateway, and event-driven serverless patterns. Secure APIs and integrations across internal systems, customer data, and third-party platforms. Technical patterns, implementation standards, and reusable services for the broader contact center systems roadmap. Observability pipelines using OpenSearch, CloudWatch, Kibana, Snowflake, and structured logging. Automation ...

experienced Delphi/SQL Developer to join a well-established development team. You'll be responsible for maintaining and enhancing critical systems, ensuring stability and performance. With 10 years of experience in Delphi and SQL, including .NET and C#, you will analyze and improve legacy applications while ...

Citi FX Tech in London is seeking a hands-on engineer to implement FX trading systems and drive architecture across teams. You will partner with trading and quant groups to deliver low-latency solutions and robust, well-documented platforms across the FX business. The role emphasizes engineering excellence, deep ...