public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>() .AddDbContext<AppDbContext>(o => o.UseNpgsql(cfg.Conn("Default"))); public sealed class IssueService : IIssueService{ private readonly AppDbContext _db; private readonly ILogger _log; public async Task<Result<Issue>> Create( CreateIssue cmd, CancellationToken ct) { var project = await _db.Projects .FindAsync([cmd.ProjectId], ct); if (project is null) return Result.NotFound("project"); var issue = new Issue { Title = cmd.Title.Trim(), Status = Status.Backlog, CreatedAt = DateTimeOffset.UtcNow, }; project.Issues.Add(issue); await _db.SaveChangesAsync(ct); _log.LogInformation("issue {Id}", issue.Id); return Result.Ok(issue); }} app.MapGet("/issues/{id}", async ( Guid id, IIssueService svc) => await svc.GetAsync(id) is { } i ? Results.Ok(i) : Results.NotFound()); builder.Services .AddScoped<IIssueService, IssueService>()

Fintech / Automation · Fintech

Automated Crypto Trading Bots

Low-latency .NET trading bots integrating Binance and TradingView for automated, risk-managed execution.

// outcome

Real-time automated execution with built-in risk controls

The challenge

Manual crypto trading could not react fast enough to market conditions or consistently enforce risk rules.

What I built

I built low-latency backend systems in .NET Core integrating Binance REST and WebSocket APIs for live market data and order placement, wired TradingView webhooks to trigger trades from custom indicator strategies, and implemented stop-loss, take-profit, and dynamic position sizing with secure API-key handling.

The result

Reliable automated execution with solid risk management and a data pipeline for backtesting and performance analytics, all on a clean, maintainable architecture.

£ cat stack.json

.NET Core
Binance API
WebSockets
TradingView Webhooks
Risk Management

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