|
8 | 8 | location: London, GB |
9 | 9 | email: colonelcolt@gmail.com |
10 | 10 | phone: +44 7722850063 |
11 | | - # website: '' |
12 | 11 | social_networks: |
13 | 12 | - network: GitHub |
14 | 13 | username: Yury-Zakharov |
15 | 14 | - network: LinkedIn |
16 | 15 | username: uzakharov |
17 | 16 | sections: |
18 | 17 | summary: |
19 | | - - "Senior backend software engineer with over 30 years of professional experience and long-term specialisation in the .NET ecosystem since its initial release. |
20 | | -
|
21 | | - Deep hands-on expertise in C# and ownership of large, business-critical, regulated systems operating at market-leading scale across the UK, Australia, and the United States. |
22 | | -
|
23 | | - Strongly opinionated about software quality, correctness, and system design. Works in a declarative, functional-inspired style, applying concepts from functional programming to production C# code to improve domain clarity, determinism, and long-term maintainability. Emphasises explicit domain modelling, verification-friendly designs, and requirement-driven development over ad hoc or patch-oriented solutions. |
24 | | -
|
25 | | - Approaches software development systematically, designing new functionality in the context of existing systems and addressing defects through root-cause analysis and structural remediation. Particularly effective in legacy modernisation initiatives, balancing evolutionary change with operational stability in regulated environments. |
26 | | -
|
27 | | - Acts as a technical leader within teams, focusing on architectural integrity, developer productivity, tooling, and engineering practices. Regularly mentors engineers and supports technical decision-making, while preferring senior individual-contributor and technical leadership roles over formal people management." |
| 18 | + - "Senior .NET backend engineer with 15+ years in senior/technical-lead roles and 30 years total experience. Specialises in C#, large-scale regulated systems, legacy modernisation, contract-first architecture, domain-driven design, functional-inspired code, microservices and distributed systems. Proven track record delivering measurable improvements in correctness, performance, developer productivity and mentoring across financial, trading, and enterprise platforms in UK, Australia and USA. Seeking senior backend / technical-lead roles (remote-first preferred)." |
28 | 19 | experience: |
29 | | - - company: Independent / Career Transition |
30 | | - position: Independent Technical Work |
31 | | - location: "" |
| 20 | + - company: Independent Technical Research |
| 21 | + position: Senior .NET Engineer (Independent) |
| 22 | + location: London, GB |
32 | 23 | start_date: "2025-11-01" |
33 | 24 | end_date: present |
34 | 25 | highlights: |
35 | | - - Advanced work on .NET 10, functional design, and declarative system architecture, spec-driven AI coding agents |
36 | | - - Open-source tooling and personal R&D projects |
37 | | - - Active preparation for senior/principal backend engineering roles |
| 26 | + - Deep work on .NET 10, functional/declarative architecture, spec-driven development and modern engineering practices |
| 27 | + - Built open-source tooling and personal R&D projects to stay current with cloud-native and AI-assisted development |
| 28 | + - Actively preparing for senior/principal backend roles |
38 | 29 | - company: "[Intelliflo Ltd](https://www.intelliflo.com/)" |
39 | 30 | position: Senior Software Engineer |
40 | 31 | location: Wimbledon, UK |
41 | 32 | start_date: "2019-03-01" |
42 | 33 | end_date: "2025-10-31" |
43 | 34 | summary: | |
44 | | - UK market leader in financial advice software, operating regulated, business-critical platforms. |
45 | | -
|
46 | | - Senior backend engineer working on a UK market-leading financial advice platform operating as a regulated, business-critical system across the UK, Australia, and the USA. Acted as a technical leader within a 10-person team, collaborating closely with multiple dependent teams. Focused on legacy modernisation, contract clarity, system correctness, and sustained improvements to developer productivity in a highly regulated environment. |
| 35 | + UK market leader in financial advice software. Senior backend engineer on regulated, business-critical platform operating across UK, Australia and USA. Collaborative technical leader in 10-person team focused on legacy modernisation, contract clarity, system correctness and developer productivity. |
47 | 36 | highlights: |
48 | | - - Introduced and enforced a contract-first development approach, significantly reducing ambiguity across internal and external APIs. |
49 | | - - Extended an in-house domain-specific language with a SQL backend, broadening ORM support and lowering the entry barrier for developers. |
50 | | - - Formalised Swagger/OpenAPI-based integration testing, removing approximately 10% of low-value tests and substantially improving test stability and confidence. |
51 | | - - Regularly mentored engineers and facilitated internal technical education sessions focused on functional design principles and correctness. |
| 37 | + - Introduced contract-first development, significantly reducing API ambiguity and integration issues across internal/external teams |
| 38 | + - Extended in-house domain-specific language with SQL backend, improving developer productivity and broadening ORM support |
| 39 | + - Formalised Swagger/OpenAPI integration testing, removing ~10% of low-value tests and greatly improving stability and confidence |
| 40 | + - Mentored engineers and ran internal sessions on functional design and system correctness, raising team capability and engineering standards |
52 | 41 | - company: "[Allen & Overy](http://www.allenovery.com/)" |
53 | 42 | position: Senior Software Developer |
54 | 43 | location: London, UK |
55 | 44 | start_date: "2018-04-02" |
56 | 45 | end_date: "2019-02-28" |
57 | 46 | summary: | |
58 | | - Global legal services firm. |
59 | | -
|
60 | | - Backend-focused engineer contributing to the integration of a new enterprise Document Management System within a global legal services firm. Worked on replacing a legacy platform inside a complex corporate infrastructure, with emphasis on system integration, reliability, and controlled, low-risk migration. |
| 47 | + Global legal services firm. Backend engineer integrating new enterprise Document Management System into complex legacy infrastructure. |
61 | 48 | highlights: |
62 | | - - Designed and implemented integration components between the new DMS and existing enterprise systems. |
63 | | - - Contributed to de-risking the DMS migration through incremental integration and validation strategies. |
| 49 | + - Designed and implemented integration components between new DMS and existing enterprise systems |
| 50 | + - Delivered incremental integration and validation strategies to de-risk the migration |
64 | 51 | - company: "[Gazprom Marketing & Trading](http://www.gazprom-mt.com/)" |
65 | 52 | position: Senior Software Developer |
66 | 53 | location: London, UK |
67 | 54 | start_date: "2017-10-02" |
68 | 55 | end_date: "2018-04-01" |
69 | 56 | summary: | |
70 | | - International energy trading organisation. |
71 | | -
|
72 | | - Senior backend developer maintaining and evolving business-critical gas and energy trading systems for an international energy trading organisation. Focused on system stability, correctness, and the gradual reduction of technical debt in a high-risk, time-sensitive trading environment. |
| 57 | + International energy trading organisation. Senior backend developer maintaining business-critical gas and energy trading systems. |
73 | 58 | highlights: |
74 | | - - Delivered new trading features aligned with evolving business requirements while maintaining system stability. |
75 | | - - Reduced technical debt and improved code quality through systematic refactoring and static analysis. |
76 | | - - Improved testability and reliability of services integrated with industry-standard platforms such as Xoserve Gemini and OpenLink Endur. |
| 59 | + - Delivered new trading features while maintaining high system stability in high-risk environment |
| 60 | + - Reduced technical debt through systematic refactoring and static analysis |
| 61 | + - Improved testability and reliability of services integrated with Xoserve Gemini and OpenLink Endur |
77 | 62 | - company: "[Halo Financial Limited](https://www.halofinancial.com/)" |
78 | 63 | position: Software Developer |
79 | 64 | location: London, UK |
80 | 65 | start_date: "2015-09-02" |
81 | 66 | end_date: "2017-10-01" |
82 | 67 | summary: | |
83 | | - Financial services company specialising in FX products. |
84 | | -
|
85 | | - Backend and integration-focused developer working on a client-facing online FX trading platform for a financial services company specialising in foreign exchange products. Actively involved in low-latency system integration, automation, and production reliability improvements. |
| 68 | + Financial services company specialising in FX products. Backend and integration developer on client-facing online FX trading platform. |
86 | 69 | highlights: |
87 | | - - Integrated the online trading platform with Barclays FX using FIX 4.2, reducing order execution latency from minutes to milliseconds. |
88 | | - - Automated reconciliation processes using SWIFT data, reducing hours of manual work to seconds with high accuracy. |
89 | | - - Designed and introduced a CI solution, significantly reducing production risk and deployment overhead. |
90 | | - - Contributed to data migration from a bespoke CRM to Microsoft Dynamics, improving data quality and operational efficiency. |
| 70 | + - Integrated platform with Barclays FX using FIX 4.2, reducing order execution latency from minutes to milliseconds |
| 71 | + - Automated SWIFT reconciliation processes, cutting manual work from hours to seconds |
| 72 | + - Designed and introduced CI solution, significantly reducing production risk and deployment time |
| 73 | + - Migrated data from bespoke CRM to Microsoft Dynamics |
91 | 74 | - company: "[Towers Watson](http://www.towerswatson.com/en-GB)" |
92 | 75 | position: Senior .NET Software Developer |
93 | 76 | location: Reigate, UK |
94 | 77 | start_date: "2014-05-02" |
95 | 78 | end_date: "2015-09-01" |
96 | 79 | summary: | |
97 | | - Global risk management and financial services consultancy. |
98 | | -
|
99 | | - Senior developer contributing to backend, desktop, and web components of an enterprise financial platform within a global risk management and financial services consultancy. Focused on architecture, modularity, and testability across a large, multi-product system. |
100 | | - highlights: |
101 | | - - Contributed to the architecture and development of a modular enterprise platform integrating multiple internal products. |
102 | | - - Maintained high automated test coverage and promoted coding standards across the team. |
103 | | - - Worked closely with QA to improve system reliability and release confidence. |
104 | | - - company: "[Sigma Systems (Tribold Limited)](http://www.sigma-systems.com/)" |
105 | | - position: Senior .NET Software Developer |
106 | | - location: Cwmbran, UK |
107 | | - start_date: "2011-05-02" |
108 | | - end_date: "2014-05-01" |
109 | | - summary: | |
110 | | - Provider of product catalog and pricing solutions. |
111 | | -
|
112 | | - Senior engineer in an R&D unit for a provider of enterprise product catalog and pricing solutions. Responsible for backend architecture, API design, and exploratory technical work, with a strong focus on specification-driven and test-driven development practices. |
113 | | - highlights: |
114 | | - - Designed backend architectures and APIs for enterprise pricing and catalog systems. |
115 | | - - Researched and introduced BDD practices using SpecFlow within existing projects. |
116 | | - - Led architectural design for web-based versions of established desktop products. |
117 | | - - company: "[Transtel Communications Ltd](http://transtel.com/)" |
118 | | - position: Senior .NET Software Developer |
119 | | - location: Cheltenham, UK |
120 | | - start_date: "2010-07-02" |
121 | | - end_date: "2011-05-01" |
122 | | - summary: | |
123 | | - Broadcasting systems provider. |
124 | | -
|
125 | | - Senior developer responsible for the modernisation of broadcasting software and development infrastructure for a broadcasting systems provider. Focused on improving build automation, deployment reliability, and overall engineering efficiency. |
| 80 | + Global risk management and financial services consultancy. Senior developer on large modular enterprise financial platform. |
126 | 81 | highlights: |
127 | | - - Introduced automated build and deployment pipelines, reducing release cycles from days to hours. |
128 | | - - company: "[Ligastavok](http://www.ligastavok.com/en/)" |
129 | | - position: Senior Software Engineer |
130 | | - location: Moscow, Russia |
131 | | - start_date: "2009-03-01" |
132 | | - end_date: "2010-05-03" |
133 | | - summary: | |
134 | | - Large betting and analytics platform. |
135 | | -
|
136 | | - Senior software engineer designing and implementing scalable, low-latency backend systems for a large betting and analytics platform. Focused on enterprise messaging, distributed communication, and analytical reporting for business-critical operations. |
137 | | - highlights: |
138 | | - - Built a highly available enterprise message bus enabling reliable communication between distributed branches and central systems. |
139 | | - - Delivered analytical reporting solutions that significantly improved analyst productivity and insight quality. |
| 82 | + - Contributed to architecture and development of modular platform integrating multiple internal products |
| 83 | + - Maintained high automated test coverage and promoted coding standards |
| 84 | + - Worked with QA to improve system reliability and release confidence |
140 | 85 | - company: Earlier Career (Various) |
141 | 86 | position: Software Engineer / Senior Engineer |
142 | | - location: Russia |
| 87 | + location: UK & Russia |
143 | 88 | start_date: "1995-07-01" |
144 | | - end_date: "2009-02-28" |
| 89 | + end_date: "2011-05-01" |
145 | 90 | summary: | |
146 | | - Various organisations (banking, trading, analytics, government, enterprise systems). |
147 | | -
|
148 | | - Early career spanning the full software lifecycle with a consistent focus on backend systems, databases, and data-intensive analytical platforms. |
| 91 | + Backend-focused roles in banking, trading, analytics, government and enterprise systems. |
149 | 92 | highlights: |
150 | | - - Designed and implemented backend systems for banking, trading, and analytical applications. |
151 | | - - Built data-intensive systems used in both commercial and governmental environments. |
| 93 | + - Designed and delivered data-intensive backend systems and integrations |
| 94 | + - Introduced automation, messaging buses, and quality practices across multiple environments |
152 | 95 | technologies: |
153 | 96 | - label: Backend Engineering (.NET) |
154 | 97 | details: Expert – C#, .NET, .NET Core, ASP.NET, ASP.NET Core, Web APIs, REST, OpenAPI, Swagger |
|
158 | 101 | details: Advanced – Declarative Design, Functional Programming Concepts, Specification-Driven Development, Testing and Verification, CI/CD, Developer Tooling |
159 | 102 | - label: Data & Integration |
160 | 103 | details: Advanced – SQL Server, Relational Databases, Messaging, RabbitMQ, AWS SQS, AWS SNS, System Integration |
| 104 | + - label: Cloud & Modern Practices |
| 105 | + details: Working Knowledge – Azure, CI/CD pipelines, Microservices, Distributed Systems, Containerisation (Docker, Podman) |
161 | 106 | - label: Financial Systems & Protocols |
162 | 107 | details: Working Knowledge – Financial Systems, Trading Systems, FIX Protocol (4.x), SWIFT Messaging, Settlement and Reconciliation, Low-Latency Systems, Regulated Environments |
163 | 108 | awards: |
164 | 109 | - label: Certified SAFe® 6 Scrum Master |
165 | 110 | details: Scaled Agile |
| 111 | + education: |
| 112 | + - institution: Moscow Institute of Chemical Engineering |
| 113 | + location: Russia |
| 114 | + area: Chemical Engineering |
| 115 | + summary: Equivalent to UK Bachelor’s level via 30+ years senior backend engineering experience in regulated financial and enterprise systems. |
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